US20060213860A1 - Child-resistant, molded plastic closure, package incorporating same and container therefor - Google Patents
Child-resistant, molded plastic closure, package incorporating same and container therefor Download PDFInfo
- Publication number
- US20060213860A1 US20060213860A1 US10/731,926 US73192603A US2006213860A1 US 20060213860 A1 US20060213860 A1 US 20060213860A1 US 73192603 A US73192603 A US 73192603A US 2006213860 A1 US2006213860 A1 US 2006213860A1
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- United States
- Prior art keywords
- closure
- container
- neck
- locking lugs
- sidewall
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D50/00—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures
- B65D50/02—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions
- B65D50/04—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one
- B65D50/045—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one where one action elastically deforms or deflects at least part of the closure, the container or an intermediate element, e.g. a ring
- B65D50/046—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one where one action elastically deforms or deflects at least part of the closure, the container or an intermediate element, e.g. a ring and such deformation causes the disengagement of locking means, e.g. the release of a pawl-like element from a tooth or abutment, to allow removal of the closure by simultaneous rotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2501/00—Containers having bodies formed in one piece
- B65D2501/0009—Bottles or similar containers with necks or like restricted apertures designed for pouring contents
- B65D2501/0081—Bottles of non-circular cross-section
Definitions
- This invention relates to a child-resistant, molded plastic closure of the squeeze and turn type, to a package incorporating a closure of such character removably applied to a suitably configured finish of a container, and to a container that is adapted for use in such a package.
- Closures according to the aforesaid '576 patent have been manufactured in a variety of sizes, including 24 mm., 28 mm., 33 mm. and 38 mm., by injection molding a polypropylene-based thermoplastic material.
- Some injection molding problems have occasionally been encountered in injection molding such closures, especially in smaller sizes, in getting the thermoplastic melt to evenly flow, from a melt introduction point centrally located in the top panel of the closure (element 26 of the aforesaid '576 patent), to locations on an outer sidewall (element 30 of the '576 patent) that are on an axis that extends perpendicularly to an axis between the opposed squeeze pads (elements 90, 92 of the aforesaid '576 patent).
- the ramp-shaped locking lugs 46, 48 of the closure of the aforesaid '576 patent which have a straight locking ledge abutment surface (element 54 of the aforesaid '576 patent), have structural rigidity such that when the closure is applied to a container finish as the closure locking lugs pass over container finish locking lugs (70, 72 of the aforesaid '576 patent), an application torque will be required that is somewhat higher than desired for some applications, although still within applicable industry standards.
- the ramp-shaped locking lugs 46, 48 of the closure of the '576 patent although in compliance with applicable industry standards, can occasionally be overcome by a brute force unlocking torque without deflecting the squeeze pads 90, 92 to remove a closure in a proper, child-resistant fashion. Improvement in the resistance of the closure of the '576 patent to improper brute force removal is also, therefore, a desirable goal of any attempt to improve the closure of the '576 patent.
- an improved, single piece, dual wall, molded plastic, squeeze and turn child-resistant closure a package that is made up of a container with such a closure removably fixed to a suitably-configured finish on a neck on such a container, and a container that is adapted for use in such a package.
- the closure of the present invention is an improved version of the closure that is described in the aforesaid '576 patent, and the improvement resides in providing a generally U-shaped recess or indentation in the locking ledge abutment surface (element 54) of the ramp-shaped locking lugs (elements 46, 48) thereof.
- Such a recess or indentation reduces the amount of thermoplastic melt that must flow to the portions of the outer wall of the closure that are in alignment with the closure locking lugs, and this helps to reduce the potential for outer wall cracking by providing for a more even fill in the closure-forming mold and for reduced shrink deformation in the closure outer wall.
- each closure locking lug ledge abutment surface also has the effect of converting a radially innermost portion of the locking lug to a finger that is flexible with respect to other structure of the locking lug.
- a flexible finger is capable of resiliently yielding in a radially outward direction when the closure locking lug engages a container finish locking lug, during application of the closure to the container, to desirably reduce the torque needed to properly apply a closure to a container.
- the flexibility of the flexible finger also also improves the resistance of the closure to removal under brute force during an improper attempt to remove the closure by a reverse torque.
- FIG. 1 is a perspective view of a preferred embodiment of a closure according to the present invention
- FIG. 2 is a front elevation view of a container to be used with a closure of FIG. 1 ;
- FIG. 3 is a side elevation view of the container of FIG. 2 ;
- FIG. 4 is a top plane view of the container of FIGS. 2 and 3 ;
- FIG. 5 is a bottom plane view of the container of FIGS. 2-4 ;
- FIG. 6 is an elevation view, partly in cross-section and at an enlarged scale of the closure of FIG. 1 applied to the container of FIGS. 2-5 ;
- FIG. 7 is a sectional view taken on line 7 - 7 of FIG. 6 ;
- FIG. 8 is a fragmentary view, at an enlarged scale, of a portion of the structure that is shown in FIG. 7 .
- a generally cup-shaped, molded plastic, squeeze and turn child-resistant (C/R) closure according to the preferred embodiment of the present invention is identified generally by reference numeral 10 in FIG. 1 , where the closure 10 is illustrated in a disassembled state, and in FIG. 6 where the closure 10 is shown as being removably affixed to a container that is generally identified by reference numeral 40 .
- the closure 10 is preferably injection molded in a single, integral piece, except for a separate sealing liner 70 if and when required, and is preferably molded from a suitable thermoplastic material that has a proper balance between rigidity and squeezeability, for reasons that will be hereinafter more fully described.
- polypropylene-based thermoplastic materials have been found to be suitable for use in the injection molding of closures in a wide variety of sizes, including 24 mm., 28 mm., 33 mm. and 38 mm., which are popular sizes for use in the packaging applications that require C/R removal characteristics under the Poison Prevention Packaging Act for removal of a closure from an associated container, and these packaging applications include the packaging of various quantities of dry prescription or over-the-counter medications.
- the closure 10 is molded with a top panel 12 and spaced-apart concentric inner and outer sidewalls, 14 and 16 , respectively, that depend from the top panel 12 .
- the sealing liner 70 if required, as it is for most packaged dry products, is loosely or adhesively affixed to an underside 12 a of the top panel 12 of the closure 10 .
- the liner 70 is adapted to seal against a rim 42 a of a neck 42 of the container 40 when the closure 10 is properly affixed to the container 40 .
- the underside 12 a of the top panel 12 of the closure 10 may be provided with an integral, depending plug (not shown) to seal against an inside of the neck 42 of the container 40 , and this will be a suitable construction for a closure 10 that is designed for the packaging of a liquid product in the container 40 .
- an integral, depending plug not shown
- Other known types of both lined and unlined closure/container sealing techniques are also contemplated.
- the inner sidewall 14 has an inwardly projecting and helically extending thread 18
- the neck 42 of the container 40 has a finish with a complimental, outwardly projecting and helically extending thread 44 , whereby the closure 10 may be applied to the container 40 by a turning action and removed from the container 40 by a reverse turning action.
- the outer sidewall 14 of the closure 10 has an inwardly tapered upper free end 14 a , at the juncture of the outer sidewall 14 and the top panel 12 , and the outer sidewall 14 extends downwardly from the juncture with the top panel 12 beyond a depending free end 16 a of the inner side wall 16 to terminate in an outwardly flared and thickened free end 14 a .
- the free end 14 a of the outer side wall 14 of the closure 10 is provided with a diametrically opposed pair of locking lugs 20 that extend inwardly from the outer sidewall 14 , and the locking lugs 20 are positioned on an axis that extends perpendicularly to a spaced, opposed pair of pads 22 that project outwardly from the outer sidewall 14 and extend upwardly from the thickened free end 14 a of the outer sidewall 14 .
- the closure 10 also has a circumferentially spaced plurality of ribs 24 that project outwardly from the inner sidewall 16 to reinforce the sidewall 16 against outward flaring loads. Further, the outer sidewall has spaced pairs of ribs 26 that function as the pairs of ribs 80, 82, 84 and 86 of the aforesaid '576 patent.
- the container 40 is preferably produced in a single, integral piece by a conventional blow molding process from a suitable thermoplastic material, for example, high density polyethylene, it being noted that the thread 44 and the locking lugs 46 are formed in a separate neck mold in a conventional manner.
- a suitable thermoplastic material for example, high density polyethylene
- the thread 44 and the locking lugs 46 are formed in a separate neck mold in a conventional manner.
- the cross section of a body portion 50 of the container 40 is oval, as shown, for example, in FIG. 4 , preferably the locking lugs 46 are positioned with their radially extending sides 46 b on an axis that is parallel to the minor axis of the oval.
- the pads 22 of the closure 10 when assembled, will be on an axis that is parallel to the major axis of the container 40 , and this will result in maximum spacing of the pads 22 from an outside of the body portion 50 of the container 40 , which will enhance the C/R opening characteristics of the closure 10 from the container 40 .
- the closure 10 is squeezed at the locations of the pads 22 , and this will temporarily ovalize the outer sidewall 14 of the closure 10 at the location of the locking lugs 20 to move each locking lug 20 radially outwardly so that its interior will lie outwardly beyond the exterior of the adjacent locking lug 46 of the container 40 .
- it can be readily removed from the container 40 by turning it on the container 40 in the direction of the arrow B.
- the free end 20 a of each locking lug 20 of the closure 10 that faces the radially extending side 46 b of the locking lug 46 of the container 10 in the position of the closure 10 on the container 40 that is shown in FIG.
- the presence of the finger 20 b in the locking lug 20 reduces the mass of thermoplastic melt that must flow from an injection point, which will be at the center of the top panel 12 of the closure 10 , to the regions of the outer sidewall 14 of the closure 10 from which the locking lugs 20 project, and this difference from the locking lugs 46, 48 of the aforesaid '576 patent will help to more evenly fill the closure injection mold, which will reduce shrink deformation in the outer sidewall 14 of the closure 10 ; this difference will also reduce the potential for cracking in the outer sidewall 14 of the closure 10 , which is higher in smaller diameter closures.
- each locking lug 20 will help to reduce the torque required to properly affix a closure 10 to an associated 40 by the ability of the finger 20 c to flex radially outwardly during application, and it will also improve the resistance of the closure 10 to improper, brute force removal from the container 40 .
Abstract
A molded plastic closure (10) that is adapted to be removably affixed to a neck (42) of a container (40). The closure is of the squeeze and turn, C/R type with a top panel (12) an outer sidewall (14) and an inner sidewall (16) that is radially spaced from the outer sidewall. The outer sidewall is provided with an opposed pair of locking lugs (20) each of which has a free end (20 a) with a generally U-shaped indentation (20 b) therein, to thereby form a radially innermost finger (20 c) that is adapted to flex inwardly under load with respect to other portions of the locking lug. The closure (10) also has an opposed pair of squeeze pads (22) that are circumferentially offset from the locking lugs, and squeezing of the closure at the locations of the squeeze pads tends to ovalize the closure to facilitate radial movement of the locking lugs outwardly beyond the extent of locking lugs (46) of the associated container (40) to thereby permit removal of the closure (10) from the container in a C/R manner.
Description
- This application is directed to an invention whose aesthetic characteristics are described and claimed in co-pending design application No. D______ (attorney Docket No. 01692).
- This invention relates to a child-resistant, molded plastic closure of the squeeze and turn type, to a package incorporating a closure of such character removably applied to a suitably configured finish of a container, and to a container that is adapted for use in such a package.
- Molded plastic, child-resistant closures of the squeeze and turn type are described, for example, in my commonly-assigned U.S. Pat. No. 5,915,576 (Robinson), the disclosure of which is incorporated by reference herein. Such closures impart child-resistant opening characteristics to containers to which they are applied without being unduly difficult to remove by adults, under Poison Prevention Packaging Act standards, and have been widely and successfully used in the packaging of dry products, for example, consumable pills and tablets. Modifications of such closures have also been successfully used in the packaging of liquid products.
- Closures according to the aforesaid '576 patent have been manufactured in a variety of sizes, including 24 mm., 28 mm., 33 mm. and 38 mm., by injection molding a polypropylene-based thermoplastic material. Some injection molding problems have occasionally been encountered in injection molding such closures, especially in smaller sizes, in getting the thermoplastic melt to evenly flow, from a melt introduction point centrally located in the top panel of the closure (
element 26 of the aforesaid '576 patent), to locations on an outer sidewall (element 30 of the '576 patent) that are on an axis that extends perpendicularly to an axis between the opposed squeeze pads (elements 90, 92 of the aforesaid '576 patent). These are the locations that require extra melt to fill the child-resistant locking lugs (elements - The ramp-
shaped locking lugs - Further, the ramp-
shaped locking lugs - According to the present invention there is provided an improved, single piece, dual wall, molded plastic, squeeze and turn child-resistant closure, a package that is made up of a container with such a closure removably fixed to a suitably-configured finish on a neck on such a container, and a container that is adapted for use in such a package. The closure of the present invention is an improved version of the closure that is described in the aforesaid '576 patent, and the improvement resides in providing a generally U-shaped recess or indentation in the locking ledge abutment surface (element 54) of the ramp-shaped locking lugs (
elements 46, 48) thereof. Such a recess or indentation reduces the amount of thermoplastic melt that must flow to the portions of the outer wall of the closure that are in alignment with the closure locking lugs, and this helps to reduce the potential for outer wall cracking by providing for a more even fill in the closure-forming mold and for reduced shrink deformation in the closure outer wall. - The recess or indentation in each closure locking lug ledge abutment surface, as heretofore described, also has the effect of converting a radially innermost portion of the locking lug to a finger that is flexible with respect to other structure of the locking lug. Such a flexible finger is capable of resiliently yielding in a radially outward direction when the closure locking lug engages a container finish locking lug, during application of the closure to the container, to desirably reduce the torque needed to properly apply a closure to a container. The flexibility of the flexible finger also also improves the resistance of the closure to removal under brute force during an improper attempt to remove the closure by a reverse torque.
- Accordingly, it is the object of the present invention to provide an improved molded plastic, child-resistant closure of the squeeze and turn type, and to provide a package that incorporates a container with such a closure removably attached to a suitably configured finish on a neck portion of the container. More particularly, it is the object of the present invention to provide a closure of the aforesaid character that can be injection molded with less potential for outer wall cracking, and to provide a package that is made up of a container with such a closure removably affixed to a suitably-configured finish portion on the neck thereof. Even more particularly, it is an object of the present invention to provide a closure of the aforesaid character that is capable of being removably affixed to a suitably configured finish on a neck portion of a container with reduced application torque and to be more resistant to improper removal from the container under a brute force, reverse torque turning action.
- For a further understanding of the present invention and the objects thereof, attention is directed to the drawing and the following brief description thereof, to the detailed description of the invention and to the appended claims.
-
FIG. 1 is a perspective view of a preferred embodiment of a closure according to the present invention; -
FIG. 2 is a front elevation view of a container to be used with a closure ofFIG. 1 ; -
FIG. 3 is a side elevation view of the container ofFIG. 2 ; -
FIG. 4 is a top plane view of the container ofFIGS. 2 and 3 ; -
FIG. 5 is a bottom plane view of the container ofFIGS. 2-4 ; -
FIG. 6 is an elevation view, partly in cross-section and at an enlarged scale of the closure ofFIG. 1 applied to the container ofFIGS. 2-5 ; -
FIG. 7 is a sectional view taken on line 7-7 ofFIG. 6 ; and -
FIG. 8 is a fragmentary view, at an enlarged scale, of a portion of the structure that is shown inFIG. 7 . - A generally cup-shaped, molded plastic, squeeze and turn child-resistant (C/R) closure according to the preferred embodiment of the present invention is identified generally by
reference numeral 10 inFIG. 1 , where theclosure 10 is illustrated in a disassembled state, and inFIG. 6 where theclosure 10 is shown as being removably affixed to a container that is generally identified byreference numeral 40. Theclosure 10 is preferably injection molded in a single, integral piece, except for aseparate sealing liner 70 if and when required, and is preferably molded from a suitable thermoplastic material that has a proper balance between rigidity and squeezeability, for reasons that will be hereinafter more fully described. In any case, polypropylene-based thermoplastic materials have been found to be suitable for use in the injection molding of closures in a wide variety of sizes, including 24 mm., 28 mm., 33 mm. and 38 mm., which are popular sizes for use in the packaging applications that require C/R removal characteristics under the Poison Prevention Packaging Act for removal of a closure from an associated container, and these packaging applications include the packaging of various quantities of dry prescription or over-the-counter medications. - The
closure 10 is molded with atop panel 12 and spaced-apart concentric inner and outer sidewalls, 14 and 16, respectively, that depend from thetop panel 12. Thesealing liner 70, if required, as it is for most packaged dry products, is loosely or adhesively affixed to anunderside 12 a of thetop panel 12 of theclosure 10. Theliner 70 is adapted to seal against arim 42 a of aneck 42 of thecontainer 40 when theclosure 10 is properly affixed to thecontainer 40. Alternatively, in place of theliner 70, theunderside 12 a of thetop panel 12 of theclosure 10 may be provided with an integral, depending plug (not shown) to seal against an inside of theneck 42 of thecontainer 40, and this will be a suitable construction for aclosure 10 that is designed for the packaging of a liquid product in thecontainer 40. Other known types of both lined and unlined closure/container sealing techniques are also contemplated. - The
inner sidewall 14 has an inwardly projecting and helically extendingthread 18, and theneck 42 of thecontainer 40 has a finish with a complimental, outwardly projecting and helically extendingthread 44, whereby theclosure 10 may be applied to thecontainer 40 by a turning action and removed from thecontainer 40 by a reverse turning action. Theouter sidewall 14 of theclosure 10 has an inwardly tapered upper free end 14 a, at the juncture of theouter sidewall 14 and thetop panel 12, and theouter sidewall 14 extends downwardly from the juncture with thetop panel 12 beyond a dependingfree end 16 a of theinner side wall 16 to terminate in an outwardly flared and thickened free end 14 a. The free end 14 a of theouter side wall 14 of theclosure 10 is provided with a diametrically opposed pair oflocking lugs 20 that extend inwardly from theouter sidewall 14, and thelocking lugs 20 are positioned on an axis that extends perpendicularly to a spaced, opposed pair ofpads 22 that project outwardly from theouter sidewall 14 and extend upwardly from the thickened free end 14 a of theouter sidewall 14. - The
closure 10 also has a circumferentially spaced plurality ofribs 24 that project outwardly from theinner sidewall 16 to reinforce thesidewall 16 against outward flaring loads. Further, the outer sidewall has spaced pairs ofribs 26 that function as the pairs of ribs 80, 82, 84 and 86 of the aforesaid '576 patent. - During application of the
closure 10 to thecontainer 40, which is indicated by the directional arrow A inFIG. 2 , thelocking lugs 20 of theclosure 10 ride overtapered sides 46 a of ramp-shaped locking lugs 46 on theneck 42 of thecontainer 40, below thethread 44, and C/R opening characteristics is imparted to the package that is made up of theclosure 10 applied to thecontainer 40 by providing thelocking lugs 46 with radially extendingsides 46 b at the ends of thetapered sides 46 a. Thus, any attempt to remove theclosure 10 from thecontainer 40 simply by unscrewing, in the direction of the arrow B inFIGS. 1 and 7 , will be blocked by interference between innerfree ends 20 a of thelocking lugs 20 of theclosure 10 and the radially extendingsides 46 b of thelocking lugs 46 of thecontainer 40, it being noted that a limited degree of overtravel, for example, 15°, is desirably provided between thefree end 20 a of each oflocking lug 20 and the adjacent radially extendingside 46 b of thelocking lug 40 in the fully applied condition of theclosure 10 on thecontainer 40. - The
container 40 is preferably produced in a single, integral piece by a conventional blow molding process from a suitable thermoplastic material, for example, high density polyethylene, it being noted that thethread 44 and thelocking lugs 46 are formed in a separate neck mold in a conventional manner. When the cross section of abody portion 50 of thecontainer 40 is oval, as shown, for example, inFIG. 4 , preferably thelocking lugs 46 are positioned with their radially extendingsides 46 b on an axis that is parallel to the minor axis of the oval. In such case, thepads 22 of theclosure 10, when assembled, will be on an axis that is parallel to the major axis of thecontainer 40, and this will result in maximum spacing of thepads 22 from an outside of thebody portion 50 of thecontainer 40, which will enhance the C/R opening characteristics of theclosure 10 from thecontainer 40. - To properly remove the
closure 10 from acontainer 40, theclosure 10 is squeezed at the locations of thepads 22, and this will temporarily ovalize theouter sidewall 14 of theclosure 10 at the location of thelocking lugs 20 to move eachlocking lug 20 radially outwardly so that its interior will lie outwardly beyond the exterior of theadjacent locking lug 46 of thecontainer 40. Thereupon, while still squeezing theclosure 10, as described, it can be readily removed from thecontainer 40 by turning it on thecontainer 40 in the direction of the arrow B. Thefree end 20 a of eachlocking lug 20 of theclosure 10 that faces the radially extendingside 46 b of thelocking lug 46 of thecontainer 10, in the position of theclosure 10 on thecontainer 40 that is shown inFIG. 7 , has a generally U-shaped inwardly projecting recess orindentation 20 b therein, and the recess orindentation 20 b thereby forms aflexible finger 20 c in a radially innermost portion of thelocking lug 20. The presence of thefinger 20 b in thelocking lug 20 reduces the mass of thermoplastic melt that must flow from an injection point, which will be at the center of thetop panel 12 of theclosure 10, to the regions of theouter sidewall 14 of theclosure 10 from which thelocking lugs 20 project, and this difference from thelocking lugs outer sidewall 14 of theclosure 10; this difference will also reduce the potential for cracking in theouter sidewall 14 of theclosure 10, which is higher in smaller diameter closures. Further, the flexibility of thefinger 20 c of eachlocking lug 20 will help to reduce the torque required to properly affix aclosure 10 to an associated 40 by the ability of thefinger 20 c to flex radially outwardly during application, and it will also improve the resistance of theclosure 10 to improper, brute force removal from thecontainer 40. - Although the best mode contemplated by the inventor for carrying out the present invention as of the filing date hereof has been shown and described herein, it will be apparent to those skilled in the art that suitable modifications, variations and equivalents may be made without departing from the scope of the invention, such scope being limited solely by the terms of the following claims and the legal equivalents thereof.
Claims (13)
1. A molded plastic, C/R squeeze and turn closure comprising, in combination:
a top panel;
an outer peripheral sidewall joined at an end to said top panel and extending to a lower free end;
diametrically opposed squeeze pressure application pads on said outer peripheral sidewall;
an inner sidewall also joined at an end to said top panel and concentrically spaced radially inwardly of said outer sidewall;
an inwardly projecting and helically extending thread on an inner surface of said inner sidewall, said thread being adapted to engage a complimental, outwardly projecting and helically extending thread on a neck of an associated container to permit the closure to be applied to the container by a turning action and removed from the container by a reverse turning action; and
a set of diametrically opposed and inwardly projecting locking lugs on an inner surface of said outer sidewall adjacent said lower free end, said locking lugs being adapted to engage locking lugs on the container and being angularly offset from said squeeze pads of said outer sidewall, each of said locking lugs of said closure having a free end that is adapted to face a radially extending side of a locking lug of the container, the free end of the locking lug of the closure having a generally U-shaped recess or indentation extending throughout the full axial height of said locking lug, said recess or indentation forming a finger on a radially innermost portion of said free end that is flexible under load with respect to other portions of the locking lug of the closure.
2. A molded plastic closure according to claim 1 wherein such closure is molded in a single piece from a squeezeable thermoplastic material.
3. A molded plastic closure according to claim 2 wherein such squeezeable thermoplastic material is a polypropylene-based material.
4. A molded plastic closure according to claim 1 wherein a portion of said outer sidewall that joins said top panel is tapered inwardly with respect to an underlying portion of said outer sidewall.
5. A molded plastic closure according to claim 4 wherein a portion of said outer sidewall that underlies said underlying portion of said outer sidewall tapers outwardly, said diametrically opposed squeeze pressure application pads extending upwardly from said portion of said outer sidewall that tapers outwardly.
6. A molded plastic closure according to claim 5 wherein said portion of said outer sidewall that tapers outwardly is radially thicker than said underlying portion of said outer sidewall.
7. A package comprising:
a container having a body portion, a neck, a finish on said neck, said finish having an outwardly projecting and helically extending thread, a shoulder extending between said body portion and said neck, and a spaced pair of ramp-shaped locking lugs extending outwardly from the outer surface of said neck of said container, each of said locking lugs having a tapered side and a radially extending side, said radially extending side extending from a radially outermost exterior inwardly to meet said neck outer surface; and
a molded plastic, C/R squeeze and turn closure removably affixed to said neck of said container, said closure comprising;
a top panel;
an outer peripheral sidewall joined at an end to said top panel extending to a lower free end; and
diametrically opposed squeeze pressure application pads on said outer peripheral sidewall,
an inner sidewall joined at an end to said top panel and concentrically spaced radially inwardly of said outer sidewall,
an inwardly projecting and helically extending thread on an inner surface of said inner sidewall, said thread on said inner sidewall being complimental to said thread on said finish of said container and removably engaging said thread on said neck of said container,
a set of diametrically opposed and inwardly projecting lugs on an inner surface of said outer sidewall adjacent said lower free end, said locking lugs being positioned to contact said ramp-shaped locking lugs of said container and being angularly offset from said squeeze pads of said outer sidewall, each of said locking lugs of said closure having a free end that faces the radially extending side of the locking lug of the container, the free end of the locking lug of the closure having a generally U-shaped recess or indentation therein, said recess or indentation forming a finger on a radially innermost portion of said free end that is flexible under load with respect to other portions of the locking lug of the closure.
8. A package according to claim 7 wherein said closure is molded in a single piece squeezeable thermoplastic material.
9. A package according to claim 8 wherein said squeezeable thermoplastic material is a polypropylene-based material.
10. A package according to claim 8 wherein said body portion of said container is oval is cross-section, and wherein said locking lugs of said container are positioned in diametrically opposed locations on a minor diameter of said body portion.
11. A package according to claim 7 and further comprising:
a gasket positioned between an underside of said top panel of said closure and a rim at and an end of said neck of said container, said gasket sealingly engaging the rim when the closure is affixed to said neck of the container to permit dry products to be packaged in said package.
12. A unitary, one-piece molded plastic container, said container comprising:
a body portion, said body portion being oval-shaped in cross-section, a neck with a closure receiving finish on an outer surface of said neck, a shoulder extending between said body portion and said neck, and a diametrically opposed pair of ramp-shaped locking lugs extending outwardly from said neck portion of said container, each of said locking lugs of said container having a tapered side and a radially extending side extending directly from said outer surface of said neck, said locking lugs being positioned on said neck with the radially extending side of each of the locking lugs being parallel to a minor diameter of said body portion.
13. A container according to claim 12 and further comprising an outwardly projecting and helically extending thread on said neck of said container, said thread being positioned between a rim at a free end of said neck and said locking lugs.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/731,926 US20060213860A1 (en) | 2003-12-09 | 2003-12-09 | Child-resistant, molded plastic closure, package incorporating same and container therefor |
NZ547301A NZ547301A (en) | 2003-12-09 | 2004-12-08 | Child-resistant, molded plastic closure with locking lugs, package incorporating same and container therefor |
CA002546732A CA2546732A1 (en) | 2003-12-09 | 2004-12-08 | Child-resistant, molded plastic closure, package incorporating same and container therefor |
EP04813831A EP1692049A1 (en) | 2003-12-09 | 2004-12-08 | Child-resistant, molded plastc closure, package incorporating same and container therefor |
MXPA06006285A MXPA06006285A (en) | 2003-12-09 | 2004-12-08 | Child-resistant, molded plastc closure, package incorporating same and container therefor. |
AU2004297275A AU2004297275A1 (en) | 2003-12-09 | 2004-12-08 | Child-resistant, molded plastc closure, package incorporating same and container therefor |
PCT/US2004/041571 WO2005056417A1 (en) | 2003-12-09 | 2004-12-08 | Child-resistant, molded plastc closure, package incorporating same and container therefor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/731,926 US20060213860A1 (en) | 2003-12-09 | 2003-12-09 | Child-resistant, molded plastic closure, package incorporating same and container therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
US20060213860A1 true US20060213860A1 (en) | 2006-09-28 |
Family
ID=34677173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/731,926 Abandoned US20060213860A1 (en) | 2003-12-09 | 2003-12-09 | Child-resistant, molded plastic closure, package incorporating same and container therefor |
Country Status (7)
Country | Link |
---|---|
US (1) | US20060213860A1 (en) |
EP (1) | EP1692049A1 (en) |
AU (1) | AU2004297275A1 (en) |
CA (1) | CA2546732A1 (en) |
MX (1) | MXPA06006285A (en) |
NZ (1) | NZ547301A (en) |
WO (1) | WO2005056417A1 (en) |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD242591S (en) * | 1975-07-09 | 1976-12-07 | Donald Leroy Hurd | Rack for pocketbooks, magazines and the like |
US20080277367A1 (en) * | 2007-05-11 | 2008-11-13 | Yeager Don F | One-Piece Squeeze And Turn Child-Resistant Closure And Container System |
US20090184122A1 (en) * | 2003-12-26 | 2009-07-23 | Gp Daikyo Corporation | Cap mounting arrangement |
US20090223985A1 (en) * | 2008-03-05 | 2009-09-10 | Cvs Pharmacy, Inc. | Closure with split securing walls |
US8079483B2 (en) | 2008-09-11 | 2011-12-20 | Rexam Healthcare Packaging Inc. | Closure with stopping mechanism |
US8123058B2 (en) | 2008-09-11 | 2012-02-28 | Rexam Healthcare Packaging Inc. | Closure with stopping mechanism |
US20120321412A1 (en) * | 2011-06-20 | 2012-12-20 | Caterpillar Inc. | Cover for a stud and nut assembly |
US20130320016A1 (en) * | 2010-12-08 | 2013-12-05 | Continental Teves Ag & Co. Ohg | Compensation tank for hydraulic motor vehicle brake systems |
US8870004B2 (en) | 2011-10-25 | 2014-10-28 | Target Brands, Inc. | Pharmacy bottle, system, and method |
CN105435360A (en) * | 2014-12-12 | 2016-03-30 | 常熟大吉医用塑料制品有限公司 | Plastic bottle with nasal spray pump |
CN105592934A (en) * | 2013-10-10 | 2016-05-18 | 阿普塔尔拉多尔夫策尔有限责任公司 | Childproof discharging device |
US20160280429A1 (en) * | 2015-03-23 | 2016-09-29 | Plastek Industries, Inc. | Child-Resistant Closure |
WO2017200922A1 (en) * | 2016-05-16 | 2017-11-23 | Plastek Industries, Inc. | Child-resistant large mouth container |
US10285520B2 (en) | 2011-06-03 | 2019-05-14 | Munchkin, Inc. | Container for spillproof container assemblies |
USD880844S1 (en) * | 2017-02-20 | 2020-04-14 | DoseCue, LLC | Pharmaceutical container |
US20210269203A1 (en) * | 2017-05-04 | 2021-09-02 | Berry Global, Inc. | Closure |
US20220363446A1 (en) * | 2021-05-12 | 2022-11-17 | Paul Bradley Forrest | Releasable container cap |
US11618619B2 (en) * | 2017-11-21 | 2023-04-04 | Drug Plastics & Glass Company, Inc. | Child-resistant single wall squeeze and turn closure and container assembly |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0721998D0 (en) * | 2007-11-09 | 2007-12-19 | Shipbuilding Co Ltd | Lightweight child resistant package |
GB2487412A (en) * | 2011-01-21 | 2012-07-25 | Julia Catherine Trickett | Childproof toilet brush and holder combination |
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GB8917646D0 (en) * | 1989-08-02 | 1989-09-20 | Metal Box Plc | Safety closure |
GB9004086D0 (en) * | 1990-02-23 | 1990-04-18 | Metal Box Plc | Container-cap combination |
-
2003
- 2003-12-09 US US10/731,926 patent/US20060213860A1/en not_active Abandoned
-
2004
- 2004-12-08 EP EP04813831A patent/EP1692049A1/en not_active Withdrawn
- 2004-12-08 NZ NZ547301A patent/NZ547301A/en unknown
- 2004-12-08 MX MXPA06006285A patent/MXPA06006285A/en not_active Application Discontinuation
- 2004-12-08 CA CA002546732A patent/CA2546732A1/en not_active Abandoned
- 2004-12-08 WO PCT/US2004/041571 patent/WO2005056417A1/en active Application Filing
- 2004-12-08 AU AU2004297275A patent/AU2004297275A1/en not_active Abandoned
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Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD242591S (en) * | 1975-07-09 | 1976-12-07 | Donald Leroy Hurd | Rack for pocketbooks, magazines and the like |
US20090184122A1 (en) * | 2003-12-26 | 2009-07-23 | Gp Daikyo Corporation | Cap mounting arrangement |
US7762419B2 (en) * | 2003-12-26 | 2010-07-27 | Daikyonishikawa Corporation | Cap mounting arrangement |
US20080277367A1 (en) * | 2007-05-11 | 2008-11-13 | Yeager Don F | One-Piece Squeeze And Turn Child-Resistant Closure And Container System |
US20090223985A1 (en) * | 2008-03-05 | 2009-09-10 | Cvs Pharmacy, Inc. | Closure with split securing walls |
US8051999B2 (en) | 2008-03-05 | 2011-11-08 | CVS Pharmacy, Inc. a Rhode Island corporation | Threadable closure with split securing walls and locking notches |
US8079483B2 (en) | 2008-09-11 | 2011-12-20 | Rexam Healthcare Packaging Inc. | Closure with stopping mechanism |
US8123058B2 (en) | 2008-09-11 | 2012-02-28 | Rexam Healthcare Packaging Inc. | Closure with stopping mechanism |
US9033182B2 (en) * | 2010-12-08 | 2015-05-19 | Continental Teves Ag & Co. Ohg | Compensation tank for hydraulic motor vehicle brake systems |
US20130320016A1 (en) * | 2010-12-08 | 2013-12-05 | Continental Teves Ag & Co. Ohg | Compensation tank for hydraulic motor vehicle brake systems |
US10285520B2 (en) | 2011-06-03 | 2019-05-14 | Munchkin, Inc. | Container for spillproof container assemblies |
US20120321412A1 (en) * | 2011-06-20 | 2012-12-20 | Caterpillar Inc. | Cover for a stud and nut assembly |
USD840240S1 (en) | 2011-10-25 | 2019-02-12 | Cvs Pharmacy, Inc. | Bottle |
US9085396B2 (en) | 2011-10-25 | 2015-07-21 | Target Brands, Inc. | Pharmacy bottle, system, and method |
US8870004B2 (en) | 2011-10-25 | 2014-10-28 | Target Brands, Inc. | Pharmacy bottle, system, and method |
USD840239S1 (en) | 2011-10-25 | 2019-02-12 | Cvs Pharmacy, Inc. | Bottle |
USD776535S1 (en) * | 2011-10-25 | 2017-01-17 | Cvs Pharmacy, Inc. | Bottle closure |
USD786087S1 (en) | 2011-10-25 | 2017-05-09 | Cvs Pharmacy, Inc. | Bottle |
USD790340S1 (en) | 2011-10-25 | 2017-06-27 | CVS Pharmacy, Inc | Locking security ring for pharmacy bottles |
USD766727S1 (en) | 2011-10-25 | 2016-09-20 | Cvs Pharmacy, Inc. | Bottle |
US10835692B2 (en) | 2013-10-10 | 2020-11-17 | Aptar Radolfzell Gmbh | Childproof discharging device |
CN105592934A (en) * | 2013-10-10 | 2016-05-18 | 阿普塔尔拉多尔夫策尔有限责任公司 | Childproof discharging device |
CN105435360A (en) * | 2014-12-12 | 2016-03-30 | 常熟大吉医用塑料制品有限公司 | Plastic bottle with nasal spray pump |
US20160280429A1 (en) * | 2015-03-23 | 2016-09-29 | Plastek Industries, Inc. | Child-Resistant Closure |
US9889977B2 (en) * | 2015-03-23 | 2018-02-13 | Plastek Industries, Inc. | Child-resistant closure |
US20190210777A1 (en) * | 2016-05-16 | 2019-07-11 | Plastek Industries, Inc. | Child-Resistant Large Mouth Container |
WO2017200922A1 (en) * | 2016-05-16 | 2017-11-23 | Plastek Industries, Inc. | Child-resistant large mouth container |
USD880844S1 (en) * | 2017-02-20 | 2020-04-14 | DoseCue, LLC | Pharmaceutical container |
US20210269203A1 (en) * | 2017-05-04 | 2021-09-02 | Berry Global, Inc. | Closure |
US11912468B2 (en) * | 2017-05-04 | 2024-02-27 | Berry Global, Inc. | Closure |
US11618619B2 (en) * | 2017-11-21 | 2023-04-04 | Drug Plastics & Glass Company, Inc. | Child-resistant single wall squeeze and turn closure and container assembly |
US20220363446A1 (en) * | 2021-05-12 | 2022-11-17 | Paul Bradley Forrest | Releasable container cap |
US11542067B2 (en) * | 2021-05-12 | 2023-01-03 | Paul Bradley Forrest | Releasable container cap |
Also Published As
Publication number | Publication date |
---|---|
AU2004297275A1 (en) | 2005-06-23 |
EP1692049A1 (en) | 2006-08-23 |
CA2546732A1 (en) | 2005-06-23 |
WO2005056417A1 (en) | 2005-06-23 |
MXPA06006285A (en) | 2006-08-25 |
NZ547301A (en) | 2009-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: OWENS-ILLINOIS CLOSURE INC., OHIO Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ROBINSON, PHILIP J.;REEL/FRAME:014802/0487 Effective date: 20031208 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |