CA1308423C - Apparatus for feeding blanks to a packaging machine - Google Patents
Apparatus for feeding blanks to a packaging machineInfo
- Publication number
- CA1308423C CA1308423C CA000544563A CA544563A CA1308423C CA 1308423 C CA1308423 C CA 1308423C CA 000544563 A CA000544563 A CA 000544563A CA 544563 A CA544563 A CA 544563A CA 1308423 C CA1308423 C CA 1308423C
- Authority
- CA
- Canada
- Prior art keywords
- stack
- blank
- conveyor
- stacks
- packaging machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 30
- 230000008093 supporting effect Effects 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 230000032258 transport Effects 0.000 claims description 3
- 239000000969 carrier Substances 0.000 description 4
- 230000035611 feeding Effects 0.000 description 3
- 241000022563 Rema Species 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- HAAITRDZHUANGT-UHFFFAOYSA-N 1-[2-[(7-chloro-1-benzothiophen-3-yl)methoxy]-2-(2,4-dichlorophenyl)ethyl]imidazole;nitric acid Chemical compound O[N+]([O-])=O.ClC1=CC(Cl)=CC=C1C(OCC=1C2=CC=CC(Cl)=C2SC=1)CN1C=NC=C1 HAAITRDZHUANGT-UHFFFAOYSA-N 0.000 description 1
- 241001261858 Alsodes Species 0.000 description 1
- 101100286668 Mus musculus Irak1bp1 gene Proteins 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/30—Supports or magazines for piles from which articles are to be separated with means for replenishing the pile during continuous separation of articles therefrom
-
- 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
- B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
- B65B19/02—Packaging cigarettes
- B65B19/22—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers
- B65B19/228—Preparing and feeding blanks
Abstract
Abstract of the Disclosure For supplying a sufficient quantity of prefabri-cated blanks to packaging machines, blank stacks are brought up to the packaging machine on a stack pallet. By means of at least one stack conveyor, the blank stacks are taken off from the stack pallet in succession and conveyed to a blank magazine of the packaging machine.
Description
~-~3~
This invention relates to an apparatus for feeding blanks to a packaging machine, especially for the production of hinqe-lid (cigarette) packs, in which the blanks are produced elsewhere and are fed as a blank stack to a blank magazine located at the machine and individual blanks, for producing the packs, are extracted from the magazine.
Supplying sufficient blanks to packaging machines with high production capacities, especially on cigarette-packaging machines, is a particular problem. When packs are made of relatively thick packaging material, for example cardboard, it is often customary to manufacture individual blanks separately from the packaging material and feed stacks of the blanks to the packaging machine. In these applications, it is particularly important that a suffi-ciently large stock of blanks is provided to the packagingmachine and then supplemented as necessary.
An object of the invention is to provide an apparatus for driving and butting a stock of blanks to a packaging machine. The blanks are transferred automatical-ly, as required, from a larger stock of blanks to a blankmagazine of the packaging machine.
To achieve this object, the apparatus according to the invention is characterized in that, at any particular time, several blank stacks are advanceable to the packaging machine on a transportable stack carrier and are succes-sively extracted from the stack carrier and fed to the blank magazine by means of a stack conveyor.
1.3~ 3 Stack carriers (stack pallets) with a large ca-pacity are loaded a~ a su;table central po;nt with blank stacks wh;ch are arranged in closely packed rows on the stack carrier. The stack carr;ers are movable, ;n parti-cular by means of rollers on ra;ls, and can thus be ad-vanced to the respect;ve packag;ng mach;ne.
The stack carriers assume a predetermined exact (var;able) relat;ve pos;tion ;n relation to the packag;ng machine, ;n such a way that blank stacks can be removed in succession from the stack carr;er, as required, by the stack conveyor and conveyed to the blank magazine located at the mach;ne. The stack carrier ;s preferably arranged at the rear of the packag;ng machine. The stack conveyor transports the blank stacks to the front of the packag;ng machine, where the blank magazine ;s arranged in an upper region. Accordingly, the stack conveyor consists of an elevator located at the rear of the packaging machine, a cross-conveyor following this above the packaging machine, and a lowering conveyor leading to the blank magazine.
The elevator is equipped w;th a stack pick-up for each blank stack, preferably an upper and a lower clamping jaw movable relat;ve to one another. A part;cular blank stack ;s grasped between the clamp;ng jaws and conveyed upwards.
The stack carriers are des;gned ;n a spec;al way.
In the region of a support;ng base, there are laterally (along the long;tud;nal edge) recesses, through wh;ch the lower clamp;ng jaw of the elevator can pass in order to pick up or take up the stack. A recess of this type ;s ass;gned to each row of the blank stacks. As a result of a sh;ft of the (part) rows on the stack pallet or as a result of the movement of the latter, the blank stacks are brought successively into the p;ck-up pos;tion for the stack conveyor.
The apparatus accord;ng to the ;nvent;on ;s also des;gned for two-track operat-on of the packag;ng mach;ne.
13~ 3 In th;s case, according to a proposal of the invention, there is a branch ;n the reg;on of the stack conveyor, preferably at the transfer from the elevator to two cross-conveyors running next to one another.
Alternat;vely, ;n order to ;ncrease the output, two stack carr;ers (stack pallets) can be advanced to the packag;ng mach;ne, a separate stack conveyor being assigned to each stack pallet.
Further features of the ;nvent;on relate to the des;gn of the stack carr;ers (stack pallets) and to the conveyors for transport;ng the blank stacks.
Exemplary embod;ments of the ;nvent;on are ex-pla;ned ;n deta;l below w;th reference to the draw;ngs.
In these:
F;gure 1 shows a d;agrammat;c s;de view of the apparatus for stor;ng blank stacks and transferr;ng them to a packag;ng mach;ne, F;gure 2 shows a transverse v;ew of the apparatus accord;ng to F;gure 1, w;th parts of the packag;ng mach;ne om;tted, F;gure Za shows a deta;l of the apparatus ;n a v;ew offset 90 relat;ve to Figure 2, F;gure 3 shows a plan v;ew of the apparatus ;n a Lower plane tabove a stack carr;er), F;gure 4 shows a plan v;ew ;n an upper plane ~;n the reg;on of cross conveyors)~
F;gure 5 shows a cross-conveyor as a deta;l ;n hor;zontal project;on, on an enlarged scale (sect;onal plane V-V ;n F;gure 1), F;gure 6 shows a plan view of a stack carr;er (pallet) ;n the loaded state, F;gure 7 shows a representat;on s;m;lar to that of F;gure 6, after the preparat;on of a f;rst row of blank stacks for take-over by a stack conveyor, F;gure ~ shows a representat;on of the stack carr;er accord;ng to F;gure 6 and 7 after the discharge of several blank stacks, F;gure 9 shows a side view of a stack carrier 13('~ 3 (stack pallet), Figure 10 shows a cross-section through a stack pallet ;n the sect;onal plane X-X of F;gure 8, F;gure 11 shows a representation similar to that of F;gure 2 for a vers;on of the apparatus w;th two stack carr;ers and separate stack conveyors, F;gure 11a shows a detail of the exemplary embod;-ment accord;ng to Figure 11 in a view offset 90, Figure 12 shows a plan view of the apparatus according to Figure 11, Figure 13 shows a plan view of the apparatus accord;ng to Figures 11 and 12 in an upper plane (cross-conveyor).
The exemplary embodiments illustrated relate to 15 the feeding of a packag;ng mach;ne 20 for c;garettes w;th blanks 21. The bLanks 21 made elsewhere by being punched from cardboard-l;ke packag;ng mater;al serve for produc;ng hinge-lid packs. The conventionally shaped blanks Z1 are combined ;nto blank stacks 2Z consisting of a relatively 20 large number of blanks 21. These blank stacks 22 are con-veyed ;n success;on to a blank magaz;ne Z3 belong;ng to the packag;ng mach;ne 20~ The ;nd;v;dual blanks 20 are extracted from the blank maga2;ne 23 on the underside and introduced into the packaging process. In the present 25 case, a rolling-off device 24 of known des;gn ;s provided for extract;ng the blanks 21.
The principal component of the apparatus for feed-ing the packaging mach;ne 2û with blanks 21 ;s a stack car rier, here des;gned as a stack pallet 25. The blank stacks are stored on th;s, namely on a base plate 26, until they are taken off by a stack carrier 27.
The stack pallets 25 are loaded at a central point and fed to the packag;ng mach;ne 20, ;n the present case at the rear of th;s, so that access to the front of 35 the packag;ng mach;ne 20 is not ;mpeded. The stack pallet 25 ;s movable by means of wheels 28, ;n the present case on runn;ng ra;ls Z9 attached to the floor.
The stack pallet 25~ rectangular as seen ;n ~3~
horizontal projection, is equipped at the rear with a supporting wall 30, approximately at the height of the blank stack 22. On the remain;ng sides, a r;m 31 of less overall height is provided all around, ;n order to secure 5 the blank starks 22 on the base plate 26. In the present exemplary embodiment, the d;mensions of this are such that 28 blank stacks 22 are accommodated. Each blank stack 22 has a he;ght of approx. ~50 mm. This results in a load of the stack pallets 25 corresponding to approximately 1 hour's lO requ;rement of blanks for the packag;ng mach;ne 20 at a mach;ne output of 700 packs per m;nute.
The blank stacks 22 are arranged on the base plate 26 ;n transverse stack rows 32, 33 placed close to one another. The blanks 21 have the;r longitud;nal extens;on 15 d;rected transversely relat;ve to the stack rows 32, 33.
The blank stacks 22 are l;fted off ;n succession from the stack pallets 25 in the reg;on of a discharge station 34 by the stack conveyor 27. Th;s ;s located ;n the reg;on of the d;scharge stat;on 34. The stack pallets 25 are so 20 pos;tioned and movable relative to the d;scharge station 34 that the blank stacks 22 can each be received along a long;tud;nal edge of the stack pallet 25.
For this purpose, the stack pallet 25 on ;ts base plate 26 ;s prov;ded laterally, ;n part;cular along one 25 long;tud;nal side, with recesses 35 which, in the present exemplary enbodiment, are T-shaped as seen in hor;zontal project;o' . 1he recesses 3~ are open towards the sides.
In the region of the recesses 35, the stack p;ck-up of the stack conveyor 27 can grasp the blank stack 22 from below 30 and carry ;t ;n the upward d;rect;on. In the present exem-plary embod;ment, the p;ck-up for a blank stack 22 cons;sts of two (upper and lower) clamp;ng jaws 36 and 37, between wh;ch a part;cular blank stack 22 ;s rece;ved. Clamp;ng jaws 36, 37 are movable away from one another and together 35 ;n order to grasp and release the blank stack 22. In the present case, the lower clamptng jaw 36 passes from below through the part;cular recess 35 of the base plate 26 lo-cated at the discharge stat;on 34 and thus discharges the 13~il423 blank stack 22 resting ;n the region of th;s recess 35.
The blank stacks 22 on the stack pallets 25 are moved success;vely into the reg;on of the d;scharge stat;on 34. For th;s purpose, at least the particular stack row 33 to be d;scharged ;s released from the re-ma;n;ng stack rows 32 on the stack pallet 25, so that the blank stacks 22 of th;s are free. To th;s effect, the blank stack 22 located in the d;scharge stat;on 34 and posit;oned at the edge of the respect;ve stack row 33 ;s reta;ned between the clamp;ng jaws 3~, 37. On the oppo-s;te s;de of the stack rows 33, a transverse sl;de 38 ;s act;vated. Th;s comes up aga;nst the outer face of the - outer blank stack 22 of this stack row 33. As a result of transverse pressure exerted by the transverse slide 38, the complete stack row 33 is compressed and thus f;xed as a single un;t. The stack pallet 25 can now be noved back a littLe way, ;n the present case from the pos;tion accord-;ng to F;gure 6 ;nto the pos;t;on accord;ng to F;gure 7.
As a result, because of the clearance on the base plate 26 20 the tfront) stack row 33 ;s released from the following one, thereby form;ng a transverse gap 39. At the same time, the l;kew;se T-shaped clamp;ng jaws or the lower clamping jaw 36 ;s shifted relat;vely in the recess 35 of the d;scharge stat;on 34, in particular likewise from the 25 pos;t;on accord;ng to F;gure 6 into that according to F;g-ure 7. The recesses 35 have appropriately large d;mens;ons.
After a sl;ght retract;on of ~he transverse slide 38 and consequently the removal of the transverse pressure, the first blank stack ZZ located at the edge of this stack row 30 33 can now be conveyed upwards.
In order to discharge the further blank stacks 22 of th;s (front) stack row 33, the rema;n;ng blank stacks Z2 of the latter are sh;fted success;vely ;n the d;rect;on of the d;scharge stat;on 34 by the transverse slide 38 35 (see F;gure 8). When th;s stack row 33 has been removed completely, the same procedure ;s adopted for the next one, the stack pallet 25 first be;ng moved further a stroke cor-responding to a stack row 32.
~3(.~23 ~ y means of appropriate dev;ces the stack pallet 25 can be advanced (automatically) to the packag;ng mach;ne 2~ and moved to and fro ;n the reg;on of the latter to the extent descr;bed. For this purpose, a clip 40 for fasten-ing a drive member is attached to the rear s;de of thestack pallet 25 or to its support;ng wall 30.
}n the present case, the angular transverse sl;de 38 is displacable by means of a spindle mechanism. Part of the transverse slide 38 is mounted as a spindle nut 43 on an elongate spindle 42 mounted f;xedly on a gear casing 41. The spindle 4Z is dr;ven to rotate by means of a motor 44.
In the exemplary embod;ments ;llustrated, the stack conveyor 27 cons;sts of several individual conveyors adjoin-ing one another. An elevator 45 is arranged in the reg;onof the discharge station 34. In a reg;on above the packag-ing machine 20, ;n particular in a transfer stat;on 4~, there follows a cross-conveyor 47 which leads transversely over the packaging machine 20 to the front of the latter.
The blank stacks 22 are transferred from this cross-conveyor 47 to a lowering conveyor 48. This is followed to the bot-tom by the blank magazine 23.
The elevator 45 can be designed in various ways.
In the present exemplary embod;ment, ;t ;s a spindle con-veyor w;th a fixed vertical spindle 49. This ;s mountedrotatably ;n a floor bearing 50 and likewise rotatably in an upper support;ng bearing 51 which is connected in a suit-a~le way to the structure of the packaging machine 20. The rotary drive of the sp;ndle 49 is effected ;n the reg;on of the upper support;ng bearing 51 by means of a servo-motor 52 w;th a pinion 53 via a gear wheel 54.
The lower clamping jaw 36 is mounted on the spindle 49 by means of an elongate spindle nut 74. When the spindle 49 rotates, the lower clamping jaw 36 is thus moved up and down. The upper clamping jaw 37 is likew;se mounted slideably on the spindle 49 by means of a guide sleeve 55, but without engagement with the thread of the spindle 49. In this way~ th;s upper clamping`jaw 37 can - 13~ 423 also be moved upwards by means of or together with the spindle nut 74. The spindle nut 74 and the guide sleeve 55 are designed with telescop;c ends 56. These overl~o one another when the clamp;ng jaws 36 and 37 are ;n the 5 clamp;ng position. The manner ;n wh;ch these are actuated ;s not shown for the sake of th;s simpl;fied representa-tion. For example, the upper clamping jaw 37 can be moved relative to the lo~er clamp;ng jaw 36 by means of a pressure-medium cyl;nder, and the clamp;ng force can be transm;tted ;n this way.
In the region of the transfer station 46, the upper clamping jaw ;s released ;n an upper end pos;t;on after reaching the lower clamping jaw. The blank stack 22 can now be pushed off the lower clamping jaw 36 in 15 transverse direction by means of a pushing-off device 57.
On the upper s;de located oppos;te the platform 58, the blank stack 22 is fixed by a cover plate 59.
After the platform 58, the blank stacks 22 pass between upper and lower central conveyor belts 6~ and $1.
20 The blank stacks 22 are transported ;n the reg;on of the platform 5~ by means of the push;ng-off dev;ce 57. The conveyor belts 60 and 61 are dr;ven, so that the blank stacks 22 are transported in the d;rect;on o~ the arro~.
A transfer member for the blank stacks 22 is lo-25 cated at the end of the cross-conveyor 47 and of the con-veyor belts 6U, 61. T~o supporting arms 63 and 64 are mounted p;votably on a transversely directed support;ng rod 62 (F;gure 2a~. These are equ;pped, at the lower ends, ~;th transversely directed supporting legs 65, on which a blank stack 22 ;s received when ;t leaves the conveyor be~ts 60, 61. For th;s purpose, the supporting arms 63, 64 are moved a~ay from one another on the support;ng rod 62 by means of a su;table drive member (for example a pressure-med;um cylinder), so that the blank stask 22 can 35 be conveyed ;nto the region between the supporting arms 63, 64. When the supporting arms 63, 64 are brought to-gether into the position accord;ng to F;gure Z~,the blank stack 22 is cor,sequently grasped, and at the bottom ;t 3 3~t~423 rests on the supporting legs 65 angled lnwards and for-wards. Ow;ng to the shape of the supporting arms 63, 64 (angular cross-sect;on~, ~he blank stack 22 ;s grasped laterally and also at the rear over ;ts ent;re he;ght.
As a result of a p;vot;ng movement of the support-ing arms 63, 64, the blank stack 22 ;s brought ;nto an ;n-cl;ned pos;t;on (Figure 1). A lowering conveyor 48 can now rece;ve the blank stack and feed it to the blank maga-2ine 23. In the present case, the lo~ering conveyor 48 ;s des;gned as a support;ng web 66 movable up and down also up~ards and backwards. This ;s moved under the blank stack 22 held by the supporting arms 63, 64 ~F;gure 1).
After the support;ng arms 63, 64 have been moved a~ay from one another, the blank stack 22 ;s fed to the blank maga-15 zine 23 as a result of a downward movement of the support-;ng web 66. The supporting web 66 ;s then retracted, moved ;nto the upper posit;on and brought under the next blank stack 22. The des;gn and dr;ve of the supporting web 66 correspond essentially to those of the member used 20 for the same purpose ;n the subject of patent application DE-A-3,402,514.
The productiv;ty of the apparatus can be ;ncreased as shown in the exemplary embod;ment of F;gure 4 by blank stacks 22 being conveyed into two tracks in the region of 25 the cross-conveyor 47 and thereafter. For this purpose, the first cross-conveyor 47 of the des;gn described ;s arranged after the transfer station 46. The connecting platform 67 leads transversely from th;s to a second cross-conveyor 68 Th;s ;s of a des;gn ;dentical or similar to that of the cross-conveyor 47 described. The blank stacks 22 delivered by the elevator 45 are fed alternately to the cross-conveyor 47 and the cross-conveyor 68. The trans-verse movement to the latter ;s executed by means of a sl;de 69 wh;ch conveys blank stacks 22 via the connecting 35 platform 67 to the cross-conveyor 6~ from the free s;de ;n the region of the platform 58. A pushing-off device 7 correspond;ng to the push;ng-off dev;ce 57 is ass;gned to the cross-conveyor 68. The further convey;ng members, ;n 13(~23 part;cular the lower;ng conveyor 48, and the blank magazine 23 are likewise dupl;cated.
F;gures 11 to 13 show details of an apparatus, ;n which a f;rst stack pallet 25 w;th blank stacks 22 ;s ad-vanced to the packag;ng machine 20 (to ;ts rear) in the way descr;bed~ and a further second stack pallet 71. This stack pallet 71 is of the same des;gn as the stack pallet 25 des-cr;bed. Furthermore, this second stack pallet 71 ;s ass;gned a separate elevator 72 wh;ch ;s of the same des;gn as the ele-vator 45 already descr;bed. The arrangement ;s such that the clamp;ng jaws 36, 37, each movable on a sp;ndle nut 74 and belonging to the two elevators 45 and 72 are d;rected away from one another, so that the stack pa~lets 25 and 71 can be advanced from oppos;te sides to the elevators 45 and 72 ar-ranged ;mmed;ately adjacent to one another. The sp;ndles 49 of these are arranged at a sl;ght d;stance from one another and are supported rotatably on a common floor bear;ng 73.
Each of the elevators 45, 72 conveys the blank stacks 22 to a cross-conveyor and to a lower;ng conveyor in the way descr;bed. Accordingly, two separate stack conveyors are used here, and these can be operated independently of one another.
Details of the apparatus can be designed differently from those of exemplary embodiments ;llustrated. Thus, the pack pallets 25 can have ass;gned to them an upper cover plate wh;ch, ;n the reg;on of the d;scharge stat;on 34, has 3 su;table recess for the passage of a particular blank stack 22. The cover plate keeps the rema;n;ng or neighbouring b~ank stacks 22 from being lifted together with it.
The apparatus descr;bed can be used to part;cular advantage in conjunction with a packaging machine for h;nge-lid packs according to German Patent P 24 40 006. Th;s pack-aging mach;ne is equipped with a folding turret 75 wh;ch is rotatable about a vertical axis and which is ;llustrated d;-agrammat;cally ;n the draw;ngs. The blank magazine 23 or the blank magaz;nes are arransed above the fold;ng turret 75, so that the blanks can be fed to the fold;ng turret 75 in the way descr;bed ;n Patent P 24 40 006.
This invention relates to an apparatus for feeding blanks to a packaging machine, especially for the production of hinqe-lid (cigarette) packs, in which the blanks are produced elsewhere and are fed as a blank stack to a blank magazine located at the machine and individual blanks, for producing the packs, are extracted from the magazine.
Supplying sufficient blanks to packaging machines with high production capacities, especially on cigarette-packaging machines, is a particular problem. When packs are made of relatively thick packaging material, for example cardboard, it is often customary to manufacture individual blanks separately from the packaging material and feed stacks of the blanks to the packaging machine. In these applications, it is particularly important that a suffi-ciently large stock of blanks is provided to the packagingmachine and then supplemented as necessary.
An object of the invention is to provide an apparatus for driving and butting a stock of blanks to a packaging machine. The blanks are transferred automatical-ly, as required, from a larger stock of blanks to a blankmagazine of the packaging machine.
To achieve this object, the apparatus according to the invention is characterized in that, at any particular time, several blank stacks are advanceable to the packaging machine on a transportable stack carrier and are succes-sively extracted from the stack carrier and fed to the blank magazine by means of a stack conveyor.
1.3~ 3 Stack carriers (stack pallets) with a large ca-pacity are loaded a~ a su;table central po;nt with blank stacks wh;ch are arranged in closely packed rows on the stack carrier. The stack carr;ers are movable, ;n parti-cular by means of rollers on ra;ls, and can thus be ad-vanced to the respect;ve packag;ng mach;ne.
The stack carriers assume a predetermined exact (var;able) relat;ve pos;tion ;n relation to the packag;ng machine, ;n such a way that blank stacks can be removed in succession from the stack carr;er, as required, by the stack conveyor and conveyed to the blank magazine located at the mach;ne. The stack carrier ;s preferably arranged at the rear of the packag;ng machine. The stack conveyor transports the blank stacks to the front of the packag;ng machine, where the blank magazine ;s arranged in an upper region. Accordingly, the stack conveyor consists of an elevator located at the rear of the packaging machine, a cross-conveyor following this above the packaging machine, and a lowering conveyor leading to the blank magazine.
The elevator is equipped w;th a stack pick-up for each blank stack, preferably an upper and a lower clamping jaw movable relat;ve to one another. A part;cular blank stack ;s grasped between the clamp;ng jaws and conveyed upwards.
The stack carriers are des;gned ;n a spec;al way.
In the region of a support;ng base, there are laterally (along the long;tud;nal edge) recesses, through wh;ch the lower clamp;ng jaw of the elevator can pass in order to pick up or take up the stack. A recess of this type ;s ass;gned to each row of the blank stacks. As a result of a sh;ft of the (part) rows on the stack pallet or as a result of the movement of the latter, the blank stacks are brought successively into the p;ck-up pos;tion for the stack conveyor.
The apparatus accord;ng to the ;nvent;on ;s also des;gned for two-track operat-on of the packag;ng mach;ne.
13~ 3 In th;s case, according to a proposal of the invention, there is a branch ;n the reg;on of the stack conveyor, preferably at the transfer from the elevator to two cross-conveyors running next to one another.
Alternat;vely, ;n order to ;ncrease the output, two stack carr;ers (stack pallets) can be advanced to the packag;ng mach;ne, a separate stack conveyor being assigned to each stack pallet.
Further features of the ;nvent;on relate to the des;gn of the stack carr;ers (stack pallets) and to the conveyors for transport;ng the blank stacks.
Exemplary embod;ments of the ;nvent;on are ex-pla;ned ;n deta;l below w;th reference to the draw;ngs.
In these:
F;gure 1 shows a d;agrammat;c s;de view of the apparatus for stor;ng blank stacks and transferr;ng them to a packag;ng mach;ne, F;gure 2 shows a transverse v;ew of the apparatus accord;ng to F;gure 1, w;th parts of the packag;ng mach;ne om;tted, F;gure Za shows a deta;l of the apparatus ;n a v;ew offset 90 relat;ve to Figure 2, F;gure 3 shows a plan v;ew of the apparatus ;n a Lower plane tabove a stack carr;er), F;gure 4 shows a plan v;ew ;n an upper plane ~;n the reg;on of cross conveyors)~
F;gure 5 shows a cross-conveyor as a deta;l ;n hor;zontal project;on, on an enlarged scale (sect;onal plane V-V ;n F;gure 1), F;gure 6 shows a plan view of a stack carr;er (pallet) ;n the loaded state, F;gure 7 shows a representat;on s;m;lar to that of F;gure 6, after the preparat;on of a f;rst row of blank stacks for take-over by a stack conveyor, F;gure ~ shows a representat;on of the stack carr;er accord;ng to F;gure 6 and 7 after the discharge of several blank stacks, F;gure 9 shows a side view of a stack carrier 13('~ 3 (stack pallet), Figure 10 shows a cross-section through a stack pallet ;n the sect;onal plane X-X of F;gure 8, F;gure 11 shows a representation similar to that of F;gure 2 for a vers;on of the apparatus w;th two stack carr;ers and separate stack conveyors, F;gure 11a shows a detail of the exemplary embod;-ment accord;ng to Figure 11 in a view offset 90, Figure 12 shows a plan view of the apparatus according to Figure 11, Figure 13 shows a plan view of the apparatus accord;ng to Figures 11 and 12 in an upper plane (cross-conveyor).
The exemplary embodiments illustrated relate to 15 the feeding of a packag;ng mach;ne 20 for c;garettes w;th blanks 21. The bLanks 21 made elsewhere by being punched from cardboard-l;ke packag;ng mater;al serve for produc;ng hinge-lid packs. The conventionally shaped blanks Z1 are combined ;nto blank stacks 2Z consisting of a relatively 20 large number of blanks 21. These blank stacks 22 are con-veyed ;n success;on to a blank magaz;ne Z3 belong;ng to the packag;ng mach;ne 20~ The ;nd;v;dual blanks 20 are extracted from the blank maga2;ne 23 on the underside and introduced into the packaging process. In the present 25 case, a rolling-off device 24 of known des;gn ;s provided for extract;ng the blanks 21.
The principal component of the apparatus for feed-ing the packaging mach;ne 2û with blanks 21 ;s a stack car rier, here des;gned as a stack pallet 25. The blank stacks are stored on th;s, namely on a base plate 26, until they are taken off by a stack carrier 27.
The stack pallets 25 are loaded at a central point and fed to the packag;ng mach;ne 20, ;n the present case at the rear of th;s, so that access to the front of 35 the packag;ng mach;ne 20 is not ;mpeded. The stack pallet 25 ;s movable by means of wheels 28, ;n the present case on runn;ng ra;ls Z9 attached to the floor.
The stack pallet 25~ rectangular as seen ;n ~3~
horizontal projection, is equipped at the rear with a supporting wall 30, approximately at the height of the blank stack 22. On the remain;ng sides, a r;m 31 of less overall height is provided all around, ;n order to secure 5 the blank starks 22 on the base plate 26. In the present exemplary embodiment, the d;mensions of this are such that 28 blank stacks 22 are accommodated. Each blank stack 22 has a he;ght of approx. ~50 mm. This results in a load of the stack pallets 25 corresponding to approximately 1 hour's lO requ;rement of blanks for the packag;ng mach;ne 20 at a mach;ne output of 700 packs per m;nute.
The blank stacks 22 are arranged on the base plate 26 ;n transverse stack rows 32, 33 placed close to one another. The blanks 21 have the;r longitud;nal extens;on 15 d;rected transversely relat;ve to the stack rows 32, 33.
The blank stacks 22 are l;fted off ;n succession from the stack pallets 25 in the reg;on of a discharge station 34 by the stack conveyor 27. Th;s ;s located ;n the reg;on of the d;scharge stat;on 34. The stack pallets 25 are so 20 pos;tioned and movable relative to the d;scharge station 34 that the blank stacks 22 can each be received along a long;tud;nal edge of the stack pallet 25.
For this purpose, the stack pallet 25 on ;ts base plate 26 ;s prov;ded laterally, ;n part;cular along one 25 long;tud;nal side, with recesses 35 which, in the present exemplary enbodiment, are T-shaped as seen in hor;zontal project;o' . 1he recesses 3~ are open towards the sides.
In the region of the recesses 35, the stack p;ck-up of the stack conveyor 27 can grasp the blank stack 22 from below 30 and carry ;t ;n the upward d;rect;on. In the present exem-plary embod;ment, the p;ck-up for a blank stack 22 cons;sts of two (upper and lower) clamp;ng jaws 36 and 37, between wh;ch a part;cular blank stack 22 ;s rece;ved. Clamp;ng jaws 36, 37 are movable away from one another and together 35 ;n order to grasp and release the blank stack 22. In the present case, the lower clamptng jaw 36 passes from below through the part;cular recess 35 of the base plate 26 lo-cated at the discharge stat;on 34 and thus discharges the 13~il423 blank stack 22 resting ;n the region of th;s recess 35.
The blank stacks 22 on the stack pallets 25 are moved success;vely into the reg;on of the d;scharge stat;on 34. For th;s purpose, at least the particular stack row 33 to be d;scharged ;s released from the re-ma;n;ng stack rows 32 on the stack pallet 25, so that the blank stacks 22 of th;s are free. To th;s effect, the blank stack 22 located in the d;scharge stat;on 34 and posit;oned at the edge of the respect;ve stack row 33 ;s reta;ned between the clamp;ng jaws 3~, 37. On the oppo-s;te s;de of the stack rows 33, a transverse sl;de 38 ;s act;vated. Th;s comes up aga;nst the outer face of the - outer blank stack 22 of this stack row 33. As a result of transverse pressure exerted by the transverse slide 38, the complete stack row 33 is compressed and thus f;xed as a single un;t. The stack pallet 25 can now be noved back a littLe way, ;n the present case from the pos;tion accord-;ng to F;gure 6 ;nto the pos;t;on accord;ng to F;gure 7.
As a result, because of the clearance on the base plate 26 20 the tfront) stack row 33 ;s released from the following one, thereby form;ng a transverse gap 39. At the same time, the l;kew;se T-shaped clamp;ng jaws or the lower clamping jaw 36 ;s shifted relat;vely in the recess 35 of the d;scharge stat;on 34, in particular likewise from the 25 pos;t;on accord;ng to F;gure 6 into that according to F;g-ure 7. The recesses 35 have appropriately large d;mens;ons.
After a sl;ght retract;on of ~he transverse slide 38 and consequently the removal of the transverse pressure, the first blank stack ZZ located at the edge of this stack row 30 33 can now be conveyed upwards.
In order to discharge the further blank stacks 22 of th;s (front) stack row 33, the rema;n;ng blank stacks Z2 of the latter are sh;fted success;vely ;n the d;rect;on of the d;scharge stat;on 34 by the transverse slide 38 35 (see F;gure 8). When th;s stack row 33 has been removed completely, the same procedure ;s adopted for the next one, the stack pallet 25 first be;ng moved further a stroke cor-responding to a stack row 32.
~3(.~23 ~ y means of appropriate dev;ces the stack pallet 25 can be advanced (automatically) to the packag;ng mach;ne 2~ and moved to and fro ;n the reg;on of the latter to the extent descr;bed. For this purpose, a clip 40 for fasten-ing a drive member is attached to the rear s;de of thestack pallet 25 or to its support;ng wall 30.
}n the present case, the angular transverse sl;de 38 is displacable by means of a spindle mechanism. Part of the transverse slide 38 is mounted as a spindle nut 43 on an elongate spindle 42 mounted f;xedly on a gear casing 41. The spindle 4Z is dr;ven to rotate by means of a motor 44.
In the exemplary embod;ments ;llustrated, the stack conveyor 27 cons;sts of several individual conveyors adjoin-ing one another. An elevator 45 is arranged in the reg;onof the discharge station 34. In a reg;on above the packag-ing machine 20, ;n particular in a transfer stat;on 4~, there follows a cross-conveyor 47 which leads transversely over the packaging machine 20 to the front of the latter.
The blank stacks 22 are transferred from this cross-conveyor 47 to a lowering conveyor 48. This is followed to the bot-tom by the blank magazine 23.
The elevator 45 can be designed in various ways.
In the present exemplary embod;ment, ;t ;s a spindle con-veyor w;th a fixed vertical spindle 49. This ;s mountedrotatably ;n a floor bearing 50 and likewise rotatably in an upper support;ng bearing 51 which is connected in a suit-a~le way to the structure of the packaging machine 20. The rotary drive of the sp;ndle 49 is effected ;n the reg;on of the upper support;ng bearing 51 by means of a servo-motor 52 w;th a pinion 53 via a gear wheel 54.
The lower clamping jaw 36 is mounted on the spindle 49 by means of an elongate spindle nut 74. When the spindle 49 rotates, the lower clamping jaw 36 is thus moved up and down. The upper clamping jaw 37 is likew;se mounted slideably on the spindle 49 by means of a guide sleeve 55, but without engagement with the thread of the spindle 49. In this way~ th;s upper clamping`jaw 37 can - 13~ 423 also be moved upwards by means of or together with the spindle nut 74. The spindle nut 74 and the guide sleeve 55 are designed with telescop;c ends 56. These overl~o one another when the clamp;ng jaws 36 and 37 are ;n the 5 clamp;ng position. The manner ;n wh;ch these are actuated ;s not shown for the sake of th;s simpl;fied representa-tion. For example, the upper clamping jaw 37 can be moved relative to the lo~er clamp;ng jaw 36 by means of a pressure-medium cyl;nder, and the clamp;ng force can be transm;tted ;n this way.
In the region of the transfer station 46, the upper clamping jaw ;s released ;n an upper end pos;t;on after reaching the lower clamping jaw. The blank stack 22 can now be pushed off the lower clamping jaw 36 in 15 transverse direction by means of a pushing-off device 57.
On the upper s;de located oppos;te the platform 58, the blank stack 22 is fixed by a cover plate 59.
After the platform 58, the blank stacks 22 pass between upper and lower central conveyor belts 6~ and $1.
20 The blank stacks 22 are transported ;n the reg;on of the platform 5~ by means of the push;ng-off dev;ce 57. The conveyor belts 60 and 61 are dr;ven, so that the blank stacks 22 are transported in the d;rect;on o~ the arro~.
A transfer member for the blank stacks 22 is lo-25 cated at the end of the cross-conveyor 47 and of the con-veyor belts 6U, 61. T~o supporting arms 63 and 64 are mounted p;votably on a transversely directed support;ng rod 62 (F;gure 2a~. These are equ;pped, at the lower ends, ~;th transversely directed supporting legs 65, on which a blank stack 22 ;s received when ;t leaves the conveyor be~ts 60, 61. For th;s purpose, the supporting arms 63, 64 are moved a~ay from one another on the support;ng rod 62 by means of a su;table drive member (for example a pressure-med;um cylinder), so that the blank stask 22 can 35 be conveyed ;nto the region between the supporting arms 63, 64. When the supporting arms 63, 64 are brought to-gether into the position accord;ng to F;gure Z~,the blank stack 22 is cor,sequently grasped, and at the bottom ;t 3 3~t~423 rests on the supporting legs 65 angled lnwards and for-wards. Ow;ng to the shape of the supporting arms 63, 64 (angular cross-sect;on~, ~he blank stack 22 ;s grasped laterally and also at the rear over ;ts ent;re he;ght.
As a result of a p;vot;ng movement of the support-ing arms 63, 64, the blank stack 22 ;s brought ;nto an ;n-cl;ned pos;t;on (Figure 1). A lowering conveyor 48 can now rece;ve the blank stack and feed it to the blank maga-2ine 23. In the present case, the lo~ering conveyor 48 ;s des;gned as a support;ng web 66 movable up and down also up~ards and backwards. This ;s moved under the blank stack 22 held by the supporting arms 63, 64 ~F;gure 1).
After the support;ng arms 63, 64 have been moved a~ay from one another, the blank stack 22 ;s fed to the blank maga-15 zine 23 as a result of a downward movement of the support-;ng web 66. The supporting web 66 ;s then retracted, moved ;nto the upper posit;on and brought under the next blank stack 22. The des;gn and dr;ve of the supporting web 66 correspond essentially to those of the member used 20 for the same purpose ;n the subject of patent application DE-A-3,402,514.
The productiv;ty of the apparatus can be ;ncreased as shown in the exemplary embod;ment of F;gure 4 by blank stacks 22 being conveyed into two tracks in the region of 25 the cross-conveyor 47 and thereafter. For this purpose, the first cross-conveyor 47 of the des;gn described ;s arranged after the transfer station 46. The connecting platform 67 leads transversely from th;s to a second cross-conveyor 68 Th;s ;s of a des;gn ;dentical or similar to that of the cross-conveyor 47 described. The blank stacks 22 delivered by the elevator 45 are fed alternately to the cross-conveyor 47 and the cross-conveyor 68. The trans-verse movement to the latter ;s executed by means of a sl;de 69 wh;ch conveys blank stacks 22 via the connecting 35 platform 67 to the cross-conveyor 6~ from the free s;de ;n the region of the platform 58. A pushing-off device 7 correspond;ng to the push;ng-off dev;ce 57 is ass;gned to the cross-conveyor 68. The further convey;ng members, ;n 13(~23 part;cular the lower;ng conveyor 48, and the blank magazine 23 are likewise dupl;cated.
F;gures 11 to 13 show details of an apparatus, ;n which a f;rst stack pallet 25 w;th blank stacks 22 ;s ad-vanced to the packag;ng machine 20 (to ;ts rear) in the way descr;bed~ and a further second stack pallet 71. This stack pallet 71 is of the same des;gn as the stack pallet 25 des-cr;bed. Furthermore, this second stack pallet 71 ;s ass;gned a separate elevator 72 wh;ch ;s of the same des;gn as the ele-vator 45 already descr;bed. The arrangement ;s such that the clamp;ng jaws 36, 37, each movable on a sp;ndle nut 74 and belonging to the two elevators 45 and 72 are d;rected away from one another, so that the stack pa~lets 25 and 71 can be advanced from oppos;te sides to the elevators 45 and 72 ar-ranged ;mmed;ately adjacent to one another. The sp;ndles 49 of these are arranged at a sl;ght d;stance from one another and are supported rotatably on a common floor bear;ng 73.
Each of the elevators 45, 72 conveys the blank stacks 22 to a cross-conveyor and to a lower;ng conveyor in the way descr;bed. Accordingly, two separate stack conveyors are used here, and these can be operated independently of one another.
Details of the apparatus can be designed differently from those of exemplary embodiments ;llustrated. Thus, the pack pallets 25 can have ass;gned to them an upper cover plate wh;ch, ;n the reg;on of the d;scharge stat;on 34, has 3 su;table recess for the passage of a particular blank stack 22. The cover plate keeps the rema;n;ng or neighbouring b~ank stacks 22 from being lifted together with it.
The apparatus descr;bed can be used to part;cular advantage in conjunction with a packaging machine for h;nge-lid packs according to German Patent P 24 40 006. Th;s pack-aging mach;ne is equipped with a folding turret 75 wh;ch is rotatable about a vertical axis and which is ;llustrated d;-agrammat;cally ;n the draw;ngs. The blank magazine 23 or the blank magaz;nes are arransed above the fold;ng turret 75, so that the blanks can be fed to the fold;ng turret 75 in the way descr;bed ;n Patent P 24 40 006.
Claims (10)
1. Apparatus for feeding blanks to a packaging machine for the production of hinge-lid cigarette packs the blanks being fed as a blank stack to a blank magazine located at the machine and individual blanks for producing the packs being extracted from said blank magazine said apparatus comprising:
a stack pallet for carrying a plurality of blank stacks and for advancing said plurality of blank stacks to the packaging machine;
a stack conveyor, assigned to the packaging machine in a fixed relationship, for successively extracting blank stacks from said stack pallet and for feeding said blank stacks to said blank magazine; and a discharge conveyor station comprising means for shifting blank stacks of a particular stack row and for feeding said blank stacks into said stack conveyor, and further comprising means for shifting said stack pallet in steps for positioning one particular stack row after the other adjacent to said stack conveyor;
wherein, for the picking up of blank stacks from the stack pallet, the stack conveyor has an elevator with a stack pickup in the form of lower and upper clamping jaws between which the blank stack is received; and wherein, at least one cross-conveyor extends above the packaging machine and consists of upper and lower conveyor belts, for transporting the blank stack from the elevator to the working side of the packaging machine.
a stack pallet for carrying a plurality of blank stacks and for advancing said plurality of blank stacks to the packaging machine;
a stack conveyor, assigned to the packaging machine in a fixed relationship, for successively extracting blank stacks from said stack pallet and for feeding said blank stacks to said blank magazine; and a discharge conveyor station comprising means for shifting blank stacks of a particular stack row and for feeding said blank stacks into said stack conveyor, and further comprising means for shifting said stack pallet in steps for positioning one particular stack row after the other adjacent to said stack conveyor;
wherein, for the picking up of blank stacks from the stack pallet, the stack conveyor has an elevator with a stack pickup in the form of lower and upper clamping jaws between which the blank stack is received; and wherein, at least one cross-conveyor extends above the packaging machine and consists of upper and lower conveyor belts, for transporting the blank stack from the elevator to the working side of the packaging machine.
2. Apparatus according to claim 1, characterized in that, adjacent to the end of the cross-conveyor and to the end of the conveyor belts, is a lowering conveyor for conveying the blank stacks to the blank magazine, said lower conveyor comprising a supporting web which is movable up and down and movable transversely and on which a blank stack rests during downward movement.
3. Apparatus according to claim 2, characterized in that at the delivery end of the conveyor belts of the cross-conveyor, is arranged a pick-up and transfer member for the blank stacks, in the form of two pivotable lateral supporting arms with supporting legs, in which the blank stack rests after being delivered by the conveyor belts, the supporting arms being pivotable out of a pick-up position into a delivery position.
4. Apparatus according to claim 1, characterized in that, two cross conveyors are arranged parallel and next to one another and are fed by means of a common elevator, the cross-conveyors being connected to one another by means of a connecting platform for transferring blank stacks.
5. Apparatus according to claim 1, comprising two or more stack pallets advanceable independently of one another, and a separate stack conveyor assigned to each stack pallet.
6. Apparatus for feeding blanks to a packaging machine for the production of hinge-lid cigarette packs the blanks produced elsewhere being fed as a blank stack to a blank magazine located at the machine, and individual blanks for producing the packs being extracted from the magazine characterized in that, at any particular time, several blank stacks can be advanced to the packaging machine on a transportable stack pallet and can be successively extracted from the stack pallet and fed to the blank magazine by means of at least one fixed stack conveyor assigned to the packaging machine; characterized in that, for the picking up of a blank stack from the stack pallet, the stack conveyor has an elevator with a stack pick-up in the form of lower and upper clamping jaws between which the blank stack is received; and that at least one cross-conveyor extends above the packaging machine and consists of upper and lower conveyor belts, for transporting the blank stack from the elevator to the working side of the packaging machine.
7. Apparatus according to claim 6, characterized in that, adjacent to the end of the cross-conveyor and to the end of the conveyor belts, is a lowering conveyor for conveying the blank stacks to the blank magazine, said lowering conveyor comprising a supporting web which is movable up and down movable transversely and on which a blank stack rests during downward movement.
8. Apparatus according to claim 7, characterized in that, at the delivery end of the conveyor belts of the cross-conveyor, is arranged a pick-up and transfer member for the blank stacks, in the form of two pivotable lateral supporting arms with supporting legs, in which the blank stack rests after being delivered by the conveyor belt, the supporting arms being pivotable out of a pick-up position into a delivery position.
9. Apparatus according to claim 6, characterized in that two cross-conveyors are arranged parallel and next to one another and are fed by means of a common elevator, the cross-conveyor being connected to one another by means of a connecting platform for transferring blank stacks.
10. Apparatus according to claim 6, wherein said cross-conveyor transports the blank stack from the rear of the packaging machine to the front thereof.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3627868.8 | 1986-08-16 | ||
| DE19863627868 DE3627868A1 (en) | 1986-08-16 | 1986-08-16 | DEVICE FOR FEEDING CUTS TO A PACKING MACHINE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1308423C true CA1308423C (en) | 1992-10-06 |
Family
ID=6307563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000544563A Expired - Lifetime CA1308423C (en) | 1986-08-16 | 1987-08-14 | Apparatus for feeding blanks to a packaging machine |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4907941A (en) |
| EP (1) | EP0258597B1 (en) |
| JP (1) | JPH0764447B2 (en) |
| CN (1) | CN1011684B (en) |
| BR (1) | BR8704232A (en) |
| CA (1) | CA1308423C (en) |
| DE (2) | DE3627868A1 (en) |
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| GB2047663A (en) * | 1979-04-26 | 1980-12-03 | Molins Ltd | Method and apparatus for handling blanks |
| US4260310A (en) * | 1979-07-11 | 1981-04-07 | American Can Company | Strip feed elevator |
| CH639909A5 (en) * | 1979-10-02 | 1983-12-15 | Sig Schweiz Industrieges | DEVICE FOR DE-STACKING FLAT UNITS OF PACKAGING MATERIAL. |
| JPS5759141A (en) * | 1980-09-25 | 1982-04-09 | Toyota Central Res & Dev Lab Inc | Method and apparatus for detecting concentration of gas |
| DE3141075C2 (en) * | 1981-05-09 | 1983-12-01 | Karges-Hammer-Maschinen Gmbh & Co Kg, 3300 Braunschweig | Feeding device for stacks of sheet metal strips to be fed to an automatic punching machine |
| JPS58131236U (en) * | 1982-02-26 | 1983-09-05 | 株式会社大阪クリツプ製作所 | Layered parts push-up supply device |
| US4451967A (en) * | 1982-04-14 | 1984-06-05 | Stobb, Inc. | Crane system sheet feeder method and apparatus |
| DE3307675A1 (en) * | 1983-03-04 | 1984-09-06 | Maschinenfabrik Fr. Niepmann GmbH u. Co, 5820 Gevelsberg | Device for feeding packaging blanks |
| GB2150920B (en) * | 1983-11-28 | 1987-11-11 | Mead Corp | Equipment and method for feeding packaging blanks to a packaging machine |
| DE3402514A1 (en) * | 1984-01-26 | 1985-08-01 | Focke & Co, 2810 Verden | DEVICE FOR PACKAGING ITEMS, IN PARTICULAR CIGARETTES |
| JPS61108241U (en) * | 1984-12-20 | 1986-07-09 | ||
| DD248992A1 (en) * | 1986-05-13 | 1987-08-26 | Thaelmann Schwermaschbau Veb | DEVICE FOR STACKING AND UNLOADING PROFILE PACKAGES |
-
1986
- 1986-08-16 DE DE19863627868 patent/DE3627868A1/en not_active Withdrawn
-
1987
- 1987-07-18 EP EP87110424A patent/EP0258597B1/en not_active Expired - Lifetime
- 1987-07-18 DE DE8787110424T patent/DE3784284D1/en not_active Expired - Fee Related
- 1987-08-06 US US07/082,164 patent/US4907941A/en not_active Expired - Fee Related
- 1987-08-14 JP JP62202994A patent/JPH0764447B2/en not_active Expired - Fee Related
- 1987-08-14 BR BR8704232A patent/BR8704232A/en not_active IP Right Cessation
- 1987-08-14 CA CA000544563A patent/CA1308423C/en not_active Expired - Lifetime
- 1987-08-15 CN CN87105663A patent/CN1011684B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6351223A (en) | 1988-03-04 |
| EP0258597A2 (en) | 1988-03-09 |
| US4907941A (en) | 1990-03-13 |
| JPH0764447B2 (en) | 1995-07-12 |
| CN1011684B (en) | 1991-02-20 |
| EP0258597A3 (en) | 1989-01-04 |
| BR8704232A (en) | 1988-04-12 |
| EP0258597B1 (en) | 1993-02-24 |
| DE3784284D1 (en) | 1993-04-01 |
| CN87105663A (en) | 1988-03-23 |
| DE3627868A1 (en) | 1988-02-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |