WO2005056417A1 - Bouchon en plastique moule, a l'epreuve des enfants, conditionnement integrant celui-ci et recipient associe - Google Patents

Bouchon en plastique moule, a l'epreuve des enfants, conditionnement integrant celui-ci et recipient associe Download PDF

Info

Publication number
WO2005056417A1
WO2005056417A1 PCT/US2004/041571 US2004041571W WO2005056417A1 WO 2005056417 A1 WO2005056417 A1 WO 2005056417A1 US 2004041571 W US2004041571 W US 2004041571W WO 2005056417 A1 WO2005056417 A1 WO 2005056417A1
Authority
WO
WIPO (PCT)
Prior art keywords
closure
container
neck
locking lugs
outer sidewall
Prior art date
Application number
PCT/US2004/041571
Other languages
English (en)
Inventor
Philip J. Robinson
Original Assignee
Owens-Illinois Closure Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Owens-Illinois Closure Inc. filed Critical Owens-Illinois Closure Inc.
Priority to EP04813831A priority Critical patent/EP1692049A1/fr
Priority to NZ547301A priority patent/NZ547301A/en
Priority to CA002546732A priority patent/CA2546732A1/fr
Priority to AU2004297275A priority patent/AU2004297275A1/en
Priority to MXPA06006285A priority patent/MXPA06006285A/es
Publication of WO2005056417A1 publication Critical patent/WO2005056417A1/fr

Links

Classifications

    • 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
    • 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.
  • 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 wail, 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.
  • 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.
  • 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.
  • 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.
  • 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 24mm., 28mm., 33mm. and 38mm., 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 12a of the top panel 12 of the closure 10.
  • the liner 70 is adapted to seal against a rim 42a of a neck 42 of the container 40 when the closure 10 is properly affixed to the container 40.
  • the underside 12a 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.
  • 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, and 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 14a, 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 16a of the inner side wall 16 to terminate in an outwardly flared and thickened free end 14a.
  • the free end 14a 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 14a of the outer sidewall 14.
  • the closure 10 also has a circumferential ly spaced plurality of ribs 24 that project outwardly from the inner sidewall 16 to reinforce the sidewall 16 against outward flaring loads.
  • 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 locking lugs 20 of the closure 10 ride over tapered sides 46a of ramp-shaped locking lugs 46 on the neck 42 of the container 40, below the thread 44, and C/R opening characteristics is imparted to the package that is made up of the closure 0 applied to the container 40 by providing the locking lugs 46 with radially extending sides 46b at the ends of the tapered sides 46a.
  • any attempt to remove the closure 10 from the container 40 simply by unscrewing, in the direction of the arrow B in Figs. 1 and 7, will be blocked by interference between inner free ends 20a of the locking lugs 20 of the closure 10 and the radially extending sides 46b of the locking lugs 46 of the container 40, it being noted that a limited degree of overtravel, for example, 15°, is desirably provided between the free end 20a of each of locking lug 20 and the adjacent radially extending side 46b of the locking lug 40 in the fully applied condition of the closure 10 on the container 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 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 46b on an axis that is parallel to the minor axis of the oval.
  • the pads 22 of the closure 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.
  • each locking lug 20 of the closure 10 that faces the radially extending side 46b 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. 7, has a generally U-shaped inwardly projecting recess or indentation 20b therein, and the recess or indentation 20b thereby forms a flexible finger 20c in a radially innermost portion of the locking lug 20.
  • the presence of the finger 20b 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.
  • the flexibility of the finger 20c of 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 20c 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

L'invention concerne un bouchon en plastique moulé (10) conçu pour être fixé amovible au col (42) d'un récipient (40). Ce bouchon est de type presser et tourner, à l'épreuve des enfants, et comprend un panneau supérieur (12), une paroi latérale extérieure (14) et une paroi latérale intérieure (16) qui est radialement espacée par rapport à la paroi latérale extérieure. Ladite paroi latérale extérieure est dotée d'une paire opposée de pattes de blocage (20), chacune possédant une extrémité libre (20a) dont l'indentation (20b) est de forme générale en U, afin que soit formé un doigt (20c) radialement le plus à l'intérieur conçu pour fléchir vers l'intérieur sous l'effet d'une charge par rapport à d'autres parties de la patte de blocage. Ledit bouchon (10) comprend également une paire opposée de pattes de pression (22) qui sont décalées de manière circonférentielle par rapport aux pattes de blocage, la pression du bouchon sur les pattes de pression tendant à rendre ce dernier ovale afin qui soit facilité le mouvement radial des pattes de blocage vers l'extérieur au-delà de la portée des pattes de blocage (46) du récipient associé (40) pour permettre de retirer le bouchon (10) du récipient, tout en assurant la sécurité des enfants.
PCT/US2004/041571 2003-12-09 2004-12-08 Bouchon en plastique moule, a l'epreuve des enfants, conditionnement integrant celui-ci et recipient associe WO2005056417A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP04813831A EP1692049A1 (fr) 2003-12-09 2004-12-08 Bouchon en plastique moule, a l'epreuve des enfants, conditionnement integrant celui-ci et recipient associe
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 (fr) 2003-12-09 2004-12-08 Bouchon en plastique moule, a l'epreuve des enfants, conditionnement integrant celui-ci et recipient associe
AU2004297275A AU2004297275A1 (en) 2003-12-09 2004-12-08 Child-resistant, molded plastc closure, package incorporating same and container therefor
MXPA06006285A MXPA06006285A (es) 2003-12-09 2004-12-08 Cierre de plastico moldeado resistente a los ninos, paquete que incorpora el mismo y recipiente para el mismo.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/731,926 2003-12-09
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
WO2005056417A1 true WO2005056417A1 (fr) 2005-06-23

Family

ID=34677173

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/041571 WO2005056417A1 (fr) 2003-12-09 2004-12-08 Bouchon en plastique moule, a l'epreuve des enfants, conditionnement integrant celui-ci et recipient associe

Country Status (7)

Country Link
US (1) US20060213860A1 (fr)
EP (1) EP1692049A1 (fr)
AU (1) AU2004297275A1 (fr)
CA (1) CA2546732A1 (fr)
MX (1) MXPA06006285A (fr)
NZ (1) NZ547301A (fr)
WO (1) WO2005056417A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2454566A (en) * 2007-11-09 2009-05-13 Cope Allman Jaycare Ltd A child resistant container
GB2487412A (en) * 2011-01-21 2012-07-25 Julia Catherine Trickett Childproof toilet brush and holder combination

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USD242591S (en) * 1975-07-09 1976-12-07 Donald Leroy Hurd Rack for pocketbooks, magazines and the like
JP4416612B2 (ja) * 2004-09-17 2010-02-17 ダイキョーニシカワ株式会社 キャップ
US20080277367A1 (en) * 2007-05-11 2008-11-13 Yeager Don F One-Piece Squeeze And Turn Child-Resistant Closure And Container System
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
DE102011084308A1 (de) * 2010-12-08 2012-06-14 Continental Teves Ag & Co. Ohg Ausgleichsbehälter für hydraulische Kraftfahrzeugbremsanlagen
US8739993B2 (en) 2011-06-03 2014-06-03 Munchkin, Inc. Container for spillproof container assemblies
US20120321412A1 (en) * 2011-06-20 2012-12-20 Caterpillar Inc. Cover for a stud and nut assembly
US8870004B2 (en) 2011-10-25 2014-10-28 Target Brands, Inc. Pharmacy bottle, system, and method
DE102013220492A1 (de) 2013-10-10 2015-04-16 Aptar Radolfzell Gmbh Kindergesicherte Austragvorrichtung
CN105435360A (zh) * 2014-12-12 2016-03-30 常熟大吉医用塑料制品有限公司 一种带鼻喷泵的塑料瓶
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
USD880844S1 (en) * 2017-02-20 2020-04-14 DoseCue, LLC Pharmaceutical container
EP3634874B1 (fr) * 2017-05-04 2024-03-13 Berry Global, Inc. Bouchon de fermeture
US11618619B2 (en) * 2017-11-21 2023-04-04 Drug Plastics & Glass Company, Inc. Child-resistant single wall squeeze and turn closure and container assembly
US11542067B2 (en) * 2021-05-12 2023-01-03 Paul Bradley Forrest Releasable container cap
US20240076109A1 (en) * 2021-05-12 2024-03-07 Paul Bradley Forrest Releasable container cap

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US3917097A (en) * 1974-06-03 1975-11-04 Gerhardt E Uhlig Safety closure container
US4213534A (en) * 1979-06-28 1980-07-22 Sunbeam Plastics Corporation Child-resistant closure
WO1991001924A1 (fr) * 1989-08-02 1991-02-21 Cmb Foodcan Plc Fermeture de securite
EP0443868A1 (fr) * 1990-02-23 1991-08-28 CMB BOTTLES & CLOSURES PLC Fermeture de sécurité
US5379927A (en) * 1994-03-11 1995-01-10 Loctite Corporation New Package for instant adhesives
EP0787660A1 (fr) * 1996-01-30 1997-08-06 Owens-Illinois Closure Inc., Fermeture à vis de protection pour enfants
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2454566A (en) * 2007-11-09 2009-05-13 Cope Allman Jaycare Ltd A child resistant container
GB2487412A (en) * 2011-01-21 2012-07-25 Julia Catherine Trickett Childproof toilet brush and holder combination

Also Published As

Publication number Publication date
EP1692049A1 (fr) 2006-08-23
US20060213860A1 (en) 2006-09-28
CA2546732A1 (fr) 2005-06-23
AU2004297275A1 (en) 2005-06-23
MXPA06006285A (es) 2006-08-25
NZ547301A (en) 2009-05-31

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