US2915866A - Product settling means for draw type wrapping machine - Google Patents
Product settling means for draw type wrapping machine Download PDFInfo
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- US2915866A US2915866A US73459258A US2915866A US 2915866 A US2915866 A US 2915866A US 73459258 A US73459258 A US 73459258A US 2915866 A US2915866 A US 2915866A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/431—Joining the articles to themselves
- B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/737—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
- B29C66/7373—Joining soiled or oxidised materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
- B29C66/822—Transmission mechanisms
- B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
- B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/84—Specific machine types or machines suitable for specific applications
- B29C66/849—Packaging machines
- B29C66/8491—Packaging machines welding through a filled container, e.g. tube or bag
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
- B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
- B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
- B65B9/2014—Tube advancing means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
- B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
- B65B9/213—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles the web having intermittent motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/344—Stretching or tensioning the joint area during joining
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
- B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
- B65B9/2007—Means for stripping or squeezing filled tubes prior to sealing to remove air or products from sealing area
Definitions
- This invention relates generally to improvements in 'draw type wrapping machines, and more particularly to :a novel mechanism for effecting the settling and compacting of bulky, lightweight materials below the sealing jaws of a draw type wrapping machine during final package forming.
- Draw type wrapping machines of the type which are operative to automatically form pillow-type packages for bulk materials and for individual and multiple articles are in increasingly widespread and favorable use.
- Such machines as have been known in the past are efliciently adaptable to the performance of packaging operations on a wide variety of materials
- the wrapping of bulky and lightweight products such as potato chips, corn curls, cheese puffs, and the like has been severely handicapped by the wide variation in density of such products and by their characteristic fragility and reluctance to settle during the bag-forming operation.
- these product variations and weight characteristics are compensated for by making the bag of suflicient length to accept the greatest volume which the product may assume, the resulting packages are poorly filled and the subsequent settling of the product during shipping and retail handling renders the appearance of the package highly undesirable.
- It is the primary object of this invention to provide an improvement in draw type wrapping machines comprising, in combination with the sealing dies of such machines, a novel and fully automatic product settling means operative to insure proper product compacting and bag fill, while maintaining aclearance of the product with the die faces, during packaging operations performed with bulky .and lightweight products.
- Figure 1 is a perspective view of a single die of a draw type wrapping machine, and having a settling rod assembly constructed in accordance with the principles and features of the present invention mounted thereon.
- Figures 2, 3 and 4 are fragmentary side elevational views illustrating the operative movement of a pair of opposed dies of the type shown in Figure l as a package sealing operation is performed, and illustrating the manner in which the settling rod assemblies of the present invention insure a compacting of the product being packaged and its clearance from obstruction at the zone of sealing between the die faces.
- a forming and filling tube 20 is operative in conventional manner to provide a continuous hollow tube of packaging material and to deliver thereinto a predetermined charge of a product P to be packaged.
- the bottom edge seal of the package being formed is indicated at 24, and marks the line of severance of a completed package previously formed immediately therebelow. It is contemplated that the product P is a bulky and low-density or lightweight material which does not normally effect a proper self-settling by gravity forces alone.
- the settling rod assembly 10 comprises an elongated mounting bracket 26 extending substantially the full length of the sealing die 12 and fixedly secured thereto by means of bolts 28 and 29.
- pair of upstanding support arms 3i) and 32 are provided at the opposite ends of the brackets 26 and serve to support a pair of bearing blocks 34 and 36 in generally horizontal and rearwardly extending relation therefrom overlying the top surface of the sealing die 12.
- a pivot rod 38 is rotatably supported at its ends by the blocks 34 and 36.
- a pair of levers 40 and 42 are each secured at their fixed end by a pivot 44 to the respective bearing blocks 34 and 36. The free ends of the levers 40 and 42 serve to rotatably support a settling roller cr rod, indicated at 46A in connection with die 12 and at 468 in connection with die 14.
- the rods MA-and 46B of the respective settling rod assemblies are preferably formed of a firm but low coefiicient of friction of material such as nylon a s or similar thermoplastic resinous material.
- Roller pins 48 serve to secure the opposite ends of the settling'roller rods to the levers 40 and 42 in a freely rotatable manner.
- -A stop plate 50 is mounted atopone of the bearing blocks 3.4, and-extends in overhanging relation outwardly over the adjacent lever .40.
- An adjustable stop screw 52 extendsdownwardly through the plate 50 for cooperative engagement with a fiat surface 54 of the lever 40. In this way, the position of the settling rod 46A forwardly of and at the same height level as the die face 16 may be adjustably predetermined by rotation of the stop screw 52.
- a pair of anchor screws 56 and 58 serve to mount the ends of a tension spring 60 for biasing the settling rod 46Ain its uppermost position with the stop screw 52 inlimiting engagement against the lever flat surface 54.
- the dies 12 and 14 are actuated for closing movement toward each other to effect a sealing of the tube 22 between the die faces 16 and 18.. It will be apparent that at this stage the uppermost particles of the product P lie directly in the path of the die faces and may be expected to prevent sealing closure of the package and .perhaps risk a jamming of the machine. Normally, this hazard has been prevented in the past by selecting an excessive bag length.
- the tube height below the level .of the sealing dies 12 and 14.0f Figure 2 represents the desired bag length for an attractive and substantially full package.
- each assembly are pivoted at a point 44 which is located above and to the rear of the settling rods, the levers will be pivoted downwardly and rearwardly as bag closing movement progresses. At the same time, the uppermost product particles will be forced downwardly within the bag being formed so as to effect a compacting and settling thereof below the level of the sealing dies 12 and 14.
- the settling rods 46A and 4613 When the dies have been moved into bag sealing engagement as seen in Figure 4, the settling rods 46A and 4613 will have been brought into substantially contacting engagement with each other and with the flattened tube of packaging material closed therebetween. The settling rods 46A and 46B will then be located entirely below the sealing dies 12 and 14, with the pairs of supporting levers 40 and 42 lying alongside the opposite ends of the respective sealing dies. As thesealing dies separate and are moved apart to release the completely formed and filled bag B therebelow, the springs 60 will return the settling rollers 46A and 46B to their initial positions, as seen in Figure 2, preparatory to the next bag sealing cycle of movements.
- the product settling means of the present invention may be applied to wrapping machines of the so-called double draw type, wherein separate pairs of sealing jaws are cyclically reciprocated so that a first closed pair of jaws effects a drawing operation while moving downwardly between a second open pair of jaws, which have just completed a drawing operation and are moving upward-1y to effect the next jaw-closing and drawing action.
- a machine of this type is disclosed in the aforesaid copending application Serial No.
- a cam block '62 fixedly secured to the pivot rod 38 it is contemplated that a cooperating and mating cam member will be carried by a suitable fixed frame portion of the packaging machine, or by the carriage of the other of the two pairs of sealing jaws in the case of ,a double draw type machine, n such a o perat n c n; member Will r fl n e: m n wit the can; 62 as the la is a i pw d y its reciprocatory cycle to perform its next closing and 7 ra troke- 4 wrapping machine the improvement of product settling means, said product settling means comprising a contact member carried by said sealing die and normally dis,- posed in spaced relation forwardly and at the level of the sealingface of said s'ealing'die, said contact member being pivotally secured to said sealing die for down: ward and rearward movement to a position entirely therebelow in response to the engagement force of said contact member with a tube of packaging
- said product settling means comprising a pair of rods each carried by one of said sealingdies and normally disposed in spaced opposed relation therebetween at the level thereof, said rods each being pivotally secured to a respective sealing die for downward and rearward movement to a position of immediately adjacent opposed relation entirely therebelow in response,
- said product settling means comprising a pair of rods each carried by one of said sealing dies, biasing and limit means normally disposing said sealing'dies in spaced opposed relation therebetween at the level thereof, said rods each being pivotally secured to a respective sealing die for downward and rearward movement to a position of immediately adjacent opposed relation entirely therebelow in response to the engagement force of said rods with a tube ofpackagiug material to be sealed as said dies are moved into closed relation, for progressively closing the upper end of a package to be formed and for compacting a product therein while enabling unobstruoted closure of said selaing dies.
- said produgt settlingmeans comprising a pair of elongated rollers each carried by one of said sealing dies and normally disposed in spacedopposed parallel relation intermediate said dies and at the level thereof, said rollers each being freely rotatable and pivotally secured to a respective sealing die for downward and rearward movement to a position of immediately adjacent opposed relation entirely therebelow in response to the rolling engagement force of said rollers with a tube of packaging material to be sealed as said dies are moved into closed relation, for progressively closing the upper end of a. package to be formed and for compacting a product therein while enabling unobstructed closure of said sealing dies.
- a draw type wrapping machine having means operative to form a continuous hollow tube of packaging material, a pair of sealing dies having contact faces movable to closed engagement with said tube, and drive means to reciprocate said sealing jaw carriage through a tube-drawing stroke and to alternately close and open said dies
- said product settling means comprising a pair of rods each carried by one of said sealing dies and disposed in normally spaced opposed relation intermediate said die faces, said rods each being pivotally secured to a respective sealing die for downward and rearward movement to a position of immediately adjacent opposed relation entirely therebelow in response to the engagement force of said rods with said tube as said dies are moved into closed relation, whereby to progressively close the upper end of the package being formed and compact a product therein while enabling unobstructed closure of said die faces against said tube.
- a draw type wrapping machine of the kind having means operative to form a continuous hollow tube of packaging material, a pair of sealing dies having contact faces movable to closed engagement with said tube, and drive means to reciprocate said sealing jaw carriage through a tube-drawing stroke and to alternately close and open said dies
- said product settling means comprising a pair of elongated rollers each carried by one of said sealing dies and normally disposed in spaced opposed parallel relation intermediate said die faces and at the level thereof, said rollers each being freely rotatable and pivotally secured to a respective sealing die for downward and rearward movement to a position of immediately adjacent opposed relation entirely therebelow in response to the rolling engagement force of said rollers with said tube as said dies are moved into closed relation, whereby to progressively close the upper end of the package being formed and compact a product therein while enabling unobstructed closure of said die faces against said tube.
- said product settling means comprising a contact member carried by said sealing die and normally disposed in spaced relation forwardly and at the level of the sealing face of said sealing die, said contact member being pivotally secured to said sealing die for downward and rearward movement to a position entirely therebelow in response to the engagement force of said contact member with a tube of packaging material to be sealed by said sealing die, and cam means operatively connected to said contact member and adapted to engage a cooperating cam member during the upward return stroke of a drawing cycle, said cam means serving when engaged to effect pivotal downward and rearward movement of said contact member to its position entirely below said sealing die.
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Description
Dec. 8, 1959 J. s. BARTLO 2,915,866
PRODUCT SETTLING MEANS FOR DRAW TYPE WRAPPING MACHINE Filed May 12. 1958 lNVENTOR ATTORNEYS.
United States Patent PRODUCT SETTLING MEANS FOR DRAW TYPE WRAPPING MACHINE John S. Bartlo, Oakland, N.J., assignor to Lynch Corporation, a corporation of Indiana Application May 12, 1958, Serial No. 734,592 7 Claims. (Cl. 53-124) This invention relates generally to improvements in 'draw type wrapping machines, and more particularly to :a novel mechanism for effecting the settling and compacting of bulky, lightweight materials below the sealing jaws of a draw type wrapping machine during final package forming.
Draw type wrapping machines of the type which are operative to automatically form pillow-type packages for bulk materials and for individual and multiple articles are in increasingly widespread and favorable use. Although such machines as have been known in the past are efliciently adaptable to the performance of packaging operations on a wide variety of materials, the wrapping of bulky and lightweight products such as potato chips, corn curls, cheese puffs, and the like has been severely handicapped by the wide variation in density of such products and by their characteristic fragility and reluctance to settle during the bag-forming operation. When these product variations and weight characteristics are compensated for by making the bag of suflicient length to accept the greatest volume which the product may assume, the resulting packages are poorly filled and the subsequent settling of the product during shipping and retail handling renders the appearance of the package highly undesirable. Although the consumer may receive a package having the proper net weight of product, it will have the appearance of having been only partially filled, and the adverse effect upon the sales appeal of such a package normally precludes the use of fully automatic draw type wrapping machines for the packaging of such pr0ducts.
In the copending application, Serial No. 694,399, filed November 4, 1957, of which I am a co-inventor, there is disclosed a recent and improved form of draw type wrapping machine typical of the kind of machine for which the present invention is intended as an improvement, to enable automatic operation with bulky and lightweight products while achieving a package having an acceptably full appearance. Such machines comprise a supply of packaging material in web form, a tube former and edge sealing means operative to form the web into a continuous hollow tube, a sealing jaw carriage, a pair of sealing dies .carried by the carriage and movable to closed engagement with the tube, and drive means for reciprocating the sealing jaw carriage through a tubedrawing stroke and for alternately closing and opening.
the dies to effect the formation of a consecutive series of filled and sealed pillow-type packages.
It is the primary object of this invention to provide an improvement in draw type wrapping machines comprising, in combination with the sealing dies of such machines, a novel and fully automatic product settling means operative to insure proper product compacting and bag fill, while maintaining aclearance of the product with the die faces, during packaging operations performed with bulky .and lightweight products.
2,915,866 Patented Dec. 8, 1959 ice It is another object of this invention to provide a product settling mechanism adapted to be mounted upon a pair of opposed package sealing dies, comprising a pair of rods, one on each opposed die, supported by pivoted levers operative to move the rods toward engagement with each other as the dies are closed, and, in response to the resistance of the packaging material, elfect a downward pivoting movement of the rods toward a final position entirely below the dies and in close adjacency with each other so as to effect a downward compacting of the product being packaged and a clearance thereof with the die faces.
Further objects and advantages of this invention will become apparent as the following description proceeds, and the features of novelty which characterize this invention will be pointed out with particularity in the claims annexed to and forming part of this specification.
A preferred embodiment of the invention is shown in the accompanying drawing, in which:
Figure 1 is a perspective view of a single die of a draw type wrapping machine, and having a settling rod assembly constructed in accordance with the principles and features of the present invention mounted thereon.
Figures 2, 3 and 4 are fragmentary side elevational views illustrating the operative movement of a pair of opposed dies of the type shown in Figure l as a package sealing operation is performed, and illustrating the manner in which the settling rod assemblies of the present invention insure a compacting of the product being packaged and its clearance from obstruction at the zone of sealing between the die faces.
Referring now to the drawing, I have indicated generally at It) a settling rod assembly embodying the present invention. A pair of sealing dies 12 and 14 of the type adapted to be moved in a reciprocatory cycle through a tube drawing stroke and also adapted to be moved toward and away from each other for alternately sealing and releasing a package therebetween, in the well known manner of draw type wrapping machines, are each provided with a settling rod assembly 10 for opposed coaction during package sealing. The dies 12 and 14each provide sealing faces 16 and 18 which are operative when brought into contacting engagement to effect sealing closure of a tube of suitable packaging material. A forming and filling tube 20 is operative in conventional manner to provide a continuous hollow tube of packaging material and to deliver thereinto a predetermined charge of a product P to be packaged. The bottom edge seal of the package being formed is indicated at 24, and marks the line of severance of a completed package previously formed immediately therebelow. It is contemplated that the product P is a bulky and low-density or lightweight material which does not normally effect a proper self-settling by gravity forces alone.
As best seen in Figure 1, the settling rod assembly 10 comprises an elongated mounting bracket 26 extending substantially the full length of the sealing die 12 and fixedly secured thereto by means of bolts 28 and 29. A
. pair of upstanding support arms 3i) and 32 are provided at the opposite ends of the brackets 26 and serve to support a pair of bearing blocks 34 and 36 in generally horizontal and rearwardly extending relation therefrom overlying the top surface of the sealing die 12. A pivot rod 38 is rotatably supported at its ends by the blocks 34 and 36. A pair of levers 40 and 42 are each secured at their fixed end by a pivot 44 to the respective bearing blocks 34 and 36. The free ends of the levers 40 and 42 serve to rotatably support a settling roller cr rod, indicated at 46A in connection with die 12 and at 468 in connection with die 14. The rods MA-and 46B of the respective settling rod assemblies are preferably formed of a firm but low coefiicient of friction of material such as nylon a s or similar thermoplastic resinous material. Roller pins 48 serve to secure the opposite ends of the settling'roller rods to the levers 40 and 42 in a freely rotatable manner.
-A stop plate 50 is mounted atopone of the bearing blocks 3.4, and-extends in overhanging relation outwardly over the adjacent lever .40. An adjustable stop screw 52 extendsdownwardly through the plate 50 for cooperative engagement with a fiat surface 54 of the lever 40. In this way, the position of the settling rod 46A forwardly of and at the same height level as the die face 16 may be adjustably predetermined by rotation of the stop screw 52. A pair of anchor screws 56 and 58 serve to mount the ends of a tension spring 60 for biasing the settling rod 46Ain its uppermost position with the stop screw 52 inlimiting engagement against the lever flat surface 54.
Referring now more particularly to the sequence, of Figures 2 through 40f the drawing, the practical operation. of the present invention will be summarized. In Figure 2, the hollow tube of'packaging material 22 has just received the charge of product P to be packaged.
The dies 12 and 14 are actuated for closing movement toward each other to effect a sealing of the tube 22 between the die faces 16 and 18.. It will be apparent that at this stage the uppermost particles of the product P lie directly in the path of the die faces and may be expected to prevent sealing closure of the package and .perhaps risk a jamming of the machine. Normally, this hazard has been prevented in the past by selecting an excessive bag length. The tube height below the level .of the sealing dies 12 and 14.0f Figure 2 represents the desired bag length for an attractive and substantially full package.
As the sealing dies 12 and 14 approach each other in Figure 3, the settling rods 46A and 46B are brought into engagement against the packaging material tube 22, and the force of engagement will serve to overcome the biasing tension of the springs 60 of each assembly 10. Since the levers 4t) and 42 .of, each assembly are pivoted at a point 44 which is located above and to the rear of the settling rods, the levers will be pivoted downwardly and rearwardly as bag closing movement progresses. At the same time, the uppermost product particles will be forced downwardly within the bag being formed so as to effect a compacting and settling thereof below the level of the sealing dies 12 and 14.
When the dies have been moved into bag sealing engagement as seen in Figure 4, the settling rods 46A and 4613 will have been brought into substantially contacting engagement with each other and with the flattened tube of packaging material closed therebetween. The settling rods 46A and 46B will then be located entirely below the sealing dies 12 and 14, with the pairs of supporting levers 40 and 42 lying alongside the opposite ends of the respective sealing dies. As thesealing dies separate and are moved apart to release the completely formed and filled bag B therebelow, the springs 60 will return the settling rollers 46A and 46B to their initial positions, as seen in Figure 2, preparatory to the next bag sealing cycle of movements.
The product settling means of the present invention may be applied to wrapping machines of the so-called double draw type, wherein separate pairs of sealing jaws are cyclically reciprocated so that a first closed pair of jaws effects a drawing operation while moving downwardly between a second open pair of jaws, which have just completed a drawing operation and are moving upward-1y to effect the next jaw-closing and drawing action. A machine of this type is disclosed in the aforesaid copending application Serial No. 694,399 In machines of the double draw type, it is important to insure withdrawal of the settling rods 46A and 463 to their positions below the respective sealing dies 12 and 14 (as seen in Figure 4 of the drawing) when the open pair of sealing jaws are moving upwardly about the downwardly-moving closed pair of jaws. If this precaution is not taken, the settling rods 46A and 46B of the upwardly mpving pair of sealing jaws will be 'in the path of the downwardl moving closed jaws, and will be engaged and forcibly pivoted toward their withdrawn position. It will be apparent that the repeated engagement between the various moving parts will result in undesirable wear and noise in the machine. It will also be apparent that even in machines of the single draw-type, full extension of the settling rods, as the sealing jaws eifect an upward or return stroke, may cause an;upward wiping of the product in the lower portion of the next bag to be formed and thereby p nt l n proper fil in i e c m y be particularly adverse When highly pliable packaging films, such as polyethylene, are employed. 7
I have indicated in Figure 1, therefore, a cam block '62 fixedly secured to the pivot rod 38, it is contemplated that a cooperating and mating cam member will be carried by a suitable fixed frame portion of the packaging machine, or by the carriage of the other of the two pairs of sealing jaws in the case of ,a double draw type machine, n such a o perat n c n; member Will r fl n e: m n wit the can; 62 as the la is a i pw d y its reciprocatory cycle to perform its next closing and 7 ra troke- 4 wrapping machine the improvement of product settling means, said product settling means comprising a contact member carried by said sealing die and normally dis,- posed in spaced relation forwardly and at the level of the sealingface of said s'ealing'die, said contact member being pivotally secured to said sealing die for down: ward and rearward movement to a position entirely therebelow in response to the engagement force of said contact member with a tube of packaging material to be sealed by said sealing die; a
2. In combination with a pair of sealing dies of a draw type wrapping machine the improvement of product settling means, said product settling means comprising a pair of rods each carried by one of said sealingdies and normally disposed in spaced opposed relation therebetween at the level thereof, said rods each being pivotally secured to a respective sealing die for downward and rearward movement to a position of immediately adjacent opposed relation entirely therebelow in response,
' to the engagement force of said rods with a tube of packaging material to be sealed as said dies are moved into closed relation, for progressively closing the'upper end of a package to be formed and for compacting a product therein while enabling unobstructed closure of said sealing dies.
3. In combination with a pair of sealing dies of a draw type wrapping machine the improvement of product settling means, said product settling means comprising a pair of rods each carried by one of said sealing dies, biasing and limit means normally disposing said sealing'dies in spaced opposed relation therebetween at the level thereof, said rods each being pivotally secured to a respective sealing die for downward and rearward movement to a position of immediately adjacent opposed relation entirely therebelow in response to the engagement force of said rods with a tube ofpackagiug material to be sealed as said dies are moved into closed relation, for progressively closing the upper end of a package to be formed and for compacting a product therein while enabling unobstruoted closure of said selaing dies.
4. In combination with a pair of sealing dies of a draw type wrapping machine the improvement of product settling means, said produgt settlingmeans comprising a pair of elongated rollers each carried by one of said sealing dies and normally disposed in spacedopposed parallel relation intermediate said dies and at the level thereof, said rollers each being freely rotatable and pivotally secured to a respective sealing die for downward and rearward movement to a position of immediately adjacent opposed relation entirely therebelow in response to the rolling engagement force of said rollers with a tube of packaging material to be sealed as said dies are moved into closed relation, for progressively closing the upper end of a. package to be formed and for compacting a product therein while enabling unobstructed closure of said sealing dies.
5. In a draw type wrapping machine of the kind having means operative to form a continuous hollow tube of packaging material, a pair of sealing dies having contact faces movable to closed engagement with said tube, and drive means to reciprocate said sealing jaw carriage through a tube-drawing stroke and to alternately close and open said dies, the improvement in combination with said sealing dies of product settling means, said product settling means comprising a pair of rods each carried by one of said sealing dies and disposed in normally spaced opposed relation intermediate said die faces, said rods each being pivotally secured to a respective sealing die for downward and rearward movement to a position of immediately adjacent opposed relation entirely therebelow in response to the engagement force of said rods with said tube as said dies are moved into closed relation, whereby to progressively close the upper end of the package being formed and compact a product therein while enabling unobstructed closure of said die faces against said tube.
6. In a draw type wrapping machine of the kind having means operative to form a continuous hollow tube of packaging material, a pair of sealing dies having contact faces movable to closed engagement with said tube, and drive means to reciprocate said sealing jaw carriage through a tube-drawing stroke and to alternately close and open said dies, the improvement in combination with said sealing dies of product settling means, said product settling means comprising a pair of elongated rollers each carried by one of said sealing dies and normally disposed in spaced opposed parallel relation intermediate said die faces and at the level thereof, said rollers each being freely rotatable and pivotally secured to a respective sealing die for downward and rearward movement to a position of immediately adjacent opposed relation entirely therebelow in response to the rolling engagement force of said rollers with said tube as said dies are moved into closed relation, whereby to progressively close the upper end of the package being formed and compact a product therein while enabling unobstructed closure of said die faces against said tube.
7. In combination with a sealing die of a draw type wrapping machine the improvement of product settling means, said product settling means comprising a contact member carried by said sealing die and normally disposed in spaced relation forwardly and at the level of the sealing face of said sealing die, said contact member being pivotally secured to said sealing die for downward and rearward movement to a position entirely therebelow in response to the engagement force of said contact member with a tube of packaging material to be sealed by said sealing die, and cam means operatively connected to said contact member and adapted to engage a cooperating cam member during the upward return stroke of a drawing cycle, said cam means serving when engaged to effect pivotal downward and rearward movement of said contact member to its position entirely below said sealing die.
References Cited in the file of this patent UNITED STATES PATENTS 1,353,210 Bates Sept. 21, 1920 2,576,471 Messmer et a1 Nov. 27, 1951 2,828,591 Bossche Apr. 1, 1958
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US73459258 US2915866A (en) | 1958-05-12 | 1958-05-12 | Product settling means for draw type wrapping machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US73459258 US2915866A (en) | 1958-05-12 | 1958-05-12 | Product settling means for draw type wrapping machine |
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US2915866A true US2915866A (en) | 1959-12-08 |
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US73459258 Expired - Lifetime US2915866A (en) | 1958-05-12 | 1958-05-12 | Product settling means for draw type wrapping machine |
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Cited By (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3027695A (en) * | 1961-01-30 | 1962-04-03 | Mira Pak Inc | Method and apparatus for packaging |
US3070931A (en) * | 1961-01-10 | 1963-01-01 | Gen Packaging Equip Co | Packaging machine |
US3388526A (en) * | 1964-09-17 | 1968-06-18 | Procter & Gamble | Sealing jaws |
DE1271615B (en) * | 1961-01-30 | 1968-06-27 | William C Leasure | Device for producing tightly filled bag-like packs from a film web |
US3525193A (en) * | 1968-02-23 | 1970-08-25 | Woodman Co | Brush product stripper |
US3738080A (en) * | 1970-07-03 | 1973-06-12 | Sabrefina Sa | Packing machine |
US4391081A (en) * | 1980-09-08 | 1983-07-05 | Hayssen Manufacturing Company | Method of and apparatus for forming, filling and sealing packages |
US4563862A (en) * | 1984-10-23 | 1986-01-14 | Kliklok Corporation | Package forming apparatus with combined holding and stripper mechanism |
US4729210A (en) * | 1984-02-02 | 1988-03-08 | Padeco S.A. | Process and apparatus for packaging articles in stretchable plastic film |
US4757668A (en) * | 1986-01-27 | 1988-07-19 | Ilapak Research & Development S.A. | Method and apparatus for form-fill-seal packaging of articles |
US4768327A (en) * | 1987-06-22 | 1988-09-06 | Package Machinery Company | Packaging machine with variable sealing jaw displacement apparatus |
DE3732033A1 (en) * | 1987-09-23 | 1989-04-13 | Rovema Gmbh | SEALING DEVICE |
DE3837709A1 (en) * | 1988-11-07 | 1990-05-10 | Rovema Gmbh | TUBE BAG MACHINE |
US5117750A (en) * | 1990-07-26 | 1992-06-02 | Automated Fluid Systems Inc. | Compactor |
US5203145A (en) * | 1990-12-05 | 1993-04-20 | Rovema Verpackungsmaschinen Gmbh | Stripper mechanism for a tubular bag packaging machine |
US5575137A (en) * | 1994-04-13 | 1996-11-19 | Rovema Verpackungsmaschinen Gmbh | Cross-sealing device for a tubular bag packaging machine |
US5819509A (en) * | 1995-01-06 | 1998-10-13 | Mcgregor; Harold | Bag shouldering and deaerating apparatus |
EP0870683A1 (en) * | 1997-04-07 | 1998-10-14 | Focke & Co. (GmbH & Co.) | Method and device for making (filling) of tobacco bags |
US5881539A (en) * | 1996-06-04 | 1999-03-16 | Ishida Co., Ltd. | Transverse sealer for a packaging machine |
US5930983A (en) * | 1992-06-29 | 1999-08-03 | Pacmac, Inc. | Form, fill and seal packaging machine with bag squeezer and method |
US6006503A (en) * | 1995-04-01 | 1999-12-28 | Molins, Plc. | Packaging machine with a stripping device |
US6029428A (en) * | 1992-06-29 | 2000-02-29 | Pacmac, Inc. | Convertible form, fill and seal packaging machine |
US6047521A (en) * | 1992-06-29 | 2000-04-11 | Pacmac, Inc. | Vertical form, fill and seal machine for making reclosable bags |
DE29911847U1 (en) * | 1999-07-07 | 2000-11-23 | Vision Verpackungstechnik Gmbh | Device for producing tubular bags filled with bulk material |
US6189301B1 (en) * | 1998-05-11 | 2001-02-20 | Ishida Co., Ltd. | Packaging machine |
US6539692B1 (en) * | 1998-12-18 | 2003-04-01 | Siptop Packaging, Inc. | Form, fill and seal container forming apparatus |
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US6581360B1 (en) | 1997-03-21 | 2003-06-24 | Molins Plc | Packaging machinery |
US6671134B1 (en) | 1999-07-16 | 2003-12-30 | Tdk Corporation | Thin film magnetic head and method of manufacturing the same |
US20090113852A1 (en) * | 2007-05-31 | 2009-05-07 | Philip Morris Usa Inc. | Product in seal deflection device |
US20100330237A1 (en) * | 2009-06-26 | 2010-12-30 | General Mills Ip Holdings Ii, Llc | Densified particulate packaged products |
US20110214394A1 (en) * | 2008-10-20 | 2011-09-08 | Mills Jason M | Bag deflation devices and methods for deflating bags |
US20160176549A1 (en) * | 2014-12-23 | 2016-06-23 | Frito-Lay North America, Inc. | Method and apparatus for a product settler |
US20160176548A1 (en) * | 2014-12-23 | 2016-06-23 | Frito-Lay North America, Inc. | Method and apparatus for a product settler |
US20160297554A1 (en) * | 2013-12-03 | 2016-10-13 | Ishida Co., Ltd | Form-fill-seal machine and bag-making packaging machine |
US9963253B2 (en) | 2011-07-11 | 2018-05-08 | Altria Client Services Llc | Air accelerator dosing tube |
US20190161219A1 (en) * | 2016-05-06 | 2019-05-30 | Tetra Laval Holdings & Finance S.A. | A packaging unit for producing sealed packages containing a pourable food product from a tube of packaging material |
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Cited By (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3070931A (en) * | 1961-01-10 | 1963-01-01 | Gen Packaging Equip Co | Packaging machine |
US3027695A (en) * | 1961-01-30 | 1962-04-03 | Mira Pak Inc | Method and apparatus for packaging |
DE1271615B (en) * | 1961-01-30 | 1968-06-27 | William C Leasure | Device for producing tightly filled bag-like packs from a film web |
US3388526A (en) * | 1964-09-17 | 1968-06-18 | Procter & Gamble | Sealing jaws |
US3525193A (en) * | 1968-02-23 | 1970-08-25 | Woodman Co | Brush product stripper |
US3738080A (en) * | 1970-07-03 | 1973-06-12 | Sabrefina Sa | Packing machine |
US4391081A (en) * | 1980-09-08 | 1983-07-05 | Hayssen Manufacturing Company | Method of and apparatus for forming, filling and sealing packages |
US4729210A (en) * | 1984-02-02 | 1988-03-08 | Padeco S.A. | Process and apparatus for packaging articles in stretchable plastic film |
US4563862A (en) * | 1984-10-23 | 1986-01-14 | Kliklok Corporation | Package forming apparatus with combined holding and stripper mechanism |
US4757668A (en) * | 1986-01-27 | 1988-07-19 | Ilapak Research & Development S.A. | Method and apparatus for form-fill-seal packaging of articles |
US4768327A (en) * | 1987-06-22 | 1988-09-06 | Package Machinery Company | Packaging machine with variable sealing jaw displacement apparatus |
DE3732033A1 (en) * | 1987-09-23 | 1989-04-13 | Rovema Gmbh | SEALING DEVICE |
US4947618A (en) * | 1987-09-23 | 1990-08-14 | Rovema Verpackungsmaschinen Gmbh | Bag sealing device |
US5031386A (en) * | 1988-11-07 | 1991-07-16 | Rovema Verpackungsmachinen Gmbh | Tubular bagging machine |
DE3837709A1 (en) * | 1988-11-07 | 1990-05-10 | Rovema Gmbh | TUBE BAG MACHINE |
US5117750A (en) * | 1990-07-26 | 1992-06-02 | Automated Fluid Systems Inc. | Compactor |
US5203145A (en) * | 1990-12-05 | 1993-04-20 | Rovema Verpackungsmaschinen Gmbh | Stripper mechanism for a tubular bag packaging machine |
US5930983A (en) * | 1992-06-29 | 1999-08-03 | Pacmac, Inc. | Form, fill and seal packaging machine with bag squeezer and method |
US6553744B1 (en) | 1992-06-29 | 2003-04-29 | Pacmac, Inc. | Packaging machine |
US6047521A (en) * | 1992-06-29 | 2000-04-11 | Pacmac, Inc. | Vertical form, fill and seal machine for making reclosable bags |
US6029428A (en) * | 1992-06-29 | 2000-02-29 | Pacmac, Inc. | Convertible form, fill and seal packaging machine |
US5575137A (en) * | 1994-04-13 | 1996-11-19 | Rovema Verpackungsmaschinen Gmbh | Cross-sealing device for a tubular bag packaging machine |
US5819509A (en) * | 1995-01-06 | 1998-10-13 | Mcgregor; Harold | Bag shouldering and deaerating apparatus |
US6006503A (en) * | 1995-04-01 | 1999-12-28 | Molins, Plc. | Packaging machine with a stripping device |
US5881539A (en) * | 1996-06-04 | 1999-03-16 | Ishida Co., Ltd. | Transverse sealer for a packaging machine |
US6581360B1 (en) | 1997-03-21 | 2003-06-24 | Molins Plc | Packaging machinery |
US6044624A (en) * | 1997-04-07 | 2000-04-04 | Focke & Co. (Gmbh & Co.) | Process and apparatus for producing (filling) bag packs for tobacco |
EP0870683A1 (en) * | 1997-04-07 | 1998-10-14 | Focke & Co. (GmbH & Co.) | Method and device for making (filling) of tobacco bags |
US6189301B1 (en) * | 1998-05-11 | 2001-02-20 | Ishida Co., Ltd. | Packaging machine |
US6539692B1 (en) * | 1998-12-18 | 2003-04-01 | Siptop Packaging, Inc. | Form, fill and seal container forming apparatus |
US6519922B1 (en) * | 1999-07-07 | 2003-02-18 | Cmd Corporation | Device for the production of tubular bags |
DE29911847U1 (en) * | 1999-07-07 | 2000-11-23 | Vision Verpackungstechnik Gmbh | Device for producing tubular bags filled with bulk material |
US20040045258A1 (en) * | 1999-07-07 | 2004-03-11 | Cmd Corporation | Device for the production of tubular bags |
US20050155331A1 (en) * | 1999-07-07 | 2005-07-21 | Cmd Corporation | Device for the production of tubular bags |
US7069709B2 (en) | 1999-07-07 | 2006-07-04 | Cmd Corporation | Device for the production of tubular bags |
US7213384B2 (en) | 1999-07-07 | 2007-05-08 | Cmd Corporation | Device for the production of tubular bags |
US20070101684A1 (en) * | 1999-07-07 | 2007-05-10 | Cmd Corporation | Device For The Production Of Tubular Bags |
US6671134B1 (en) | 1999-07-16 | 2003-12-30 | Tdk Corporation | Thin film magnetic head and method of manufacturing the same |
US8402724B2 (en) * | 2007-05-31 | 2013-03-26 | Philip Morris Usa Inc. | Method and apparatus for product in seal deflection |
US20090113852A1 (en) * | 2007-05-31 | 2009-05-07 | Philip Morris Usa Inc. | Product in seal deflection device |
US20110214394A1 (en) * | 2008-10-20 | 2011-09-08 | Mills Jason M | Bag deflation devices and methods for deflating bags |
US9056691B2 (en) * | 2008-10-20 | 2015-06-16 | Nestec S.A. | Bag deflation devices and methods for deflating bags |
US20100330237A1 (en) * | 2009-06-26 | 2010-12-30 | General Mills Ip Holdings Ii, Llc | Densified particulate packaged products |
US9963253B2 (en) | 2011-07-11 | 2018-05-08 | Altria Client Services Llc | Air accelerator dosing tube |
US11618596B2 (en) | 2011-07-11 | 2023-04-04 | Altria Client Services Llc | Method of making delivery apparatus |
US11027860B2 (en) | 2011-07-11 | 2021-06-08 | Altria Client Services Llc | Delivery apparatus |
US20160297554A1 (en) * | 2013-12-03 | 2016-10-13 | Ishida Co., Ltd | Form-fill-seal machine and bag-making packaging machine |
US10507942B2 (en) * | 2013-12-03 | 2019-12-17 | Ishida Co., Ltd. | Form-fill-seal machine and bag-making packaging machine |
US10766641B2 (en) * | 2014-12-23 | 2020-09-08 | Frito-Lay North America, Inc. | Method and apparatus for a product settler |
US20160176548A1 (en) * | 2014-12-23 | 2016-06-23 | Frito-Lay North America, Inc. | Method and apparatus for a product settler |
US20160176549A1 (en) * | 2014-12-23 | 2016-06-23 | Frito-Lay North America, Inc. | Method and apparatus for a product settler |
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