WO2001055000A1 - Bouchon filete inviolable et finition de col pour ce type de bouchon - Google Patents

Bouchon filete inviolable et finition de col pour ce type de bouchon Download PDF

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Publication number
WO2001055000A1
WO2001055000A1 PCT/US2001/002886 US0102886W WO0155000A1 WO 2001055000 A1 WO2001055000 A1 WO 2001055000A1 US 0102886 W US0102886 W US 0102886W WO 0155000 A1 WO0155000 A1 WO 0155000A1
Authority
WO
WIPO (PCT)
Prior art keywords
cap
neck finish
bottleneck
thread
flange
Prior art date
Application number
PCT/US2001/002886
Other languages
English (en)
Inventor
Luca Molinaro
Original Assignee
Portola Packaging, 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 Portola Packaging, Inc. filed Critical Portola Packaging, Inc.
Priority to AU2001233092A priority Critical patent/AU2001233092A1/en
Publication of WO2001055000A1 publication Critical patent/WO2001055000A1/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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/3442—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container
    • B65D41/3447—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container the tamper element being integrally connected to the closure by means of bridges
    • 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
    • B65D1/023—Neck construction
    • B65D1/0246—Closure retaining means, e.g. beads, screw-threads
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0407—Threaded or like caps or cap-like covers secured by rotation with integral sealing means
    • B65D41/0414—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck
    • B65D41/0421—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck and combined with integral sealing means contacting other surfaces of a container neck

Definitions

  • the present invention relates to a threaded container closure and cooperating neck finish having a tamper evident locking feature and suited for blow-molding fabrication.
  • Tamper evident caps for containers such as blow-molded or injection molded containers are well known, see e.g., U.S. Patent Nos . 3,980,195; 4,196,818; 4,343,408; 4,448,319; 4,497,765; 4,534,480; 4,561,553; 4,625,875; 5,215,204; 5,487,481; 5,593,055; 5,738,231; and French Patent No. 1,536,439 and similar caps manufactured by ALCOA and Creative Packaging.
  • a number of caps are of the snap-on screw-off variety such as EPO Patent No. 0,118,267; U.K. Patent
  • cap and bottle neck configurations As is apparent from the prior art patents, a great deal of effort has gone into design of cap and bottle neck configurations to provide easy on and off use of the cap by the bottler and ultimately by the end user of the bottled product.
  • the bottling industry continues to search for a cap and neck finish which achieves these objectives but which also provides a secure seal.
  • the ultimate consumer of the bottled product desires a cap which is easy to use both in removal from the bottle but also as reapplication on to the bottle.
  • the present invention permits the ultimate user to snap or screw on the cap to provide a leak tight seal for the container, and to screw the cap off to permit access to the contents of the container once the means of providing tamper- evidence is removed.
  • a further object of the invention is to provide a neck finish for blow molded containers and a high or low density plastic bottle cap which can be snap or screw fit on to the container.
  • the present invention provides a threaded tamper-evident cap adapted for snap-on or screw on application to a cooperating container neck finish.
  • the invention preferably provides a single continuous thread on the interior surface of the closure depending skirc and a tamper evident band, preferably perforated for either drop-down screw-off or tear- off removal .
  • the tamper evident band contains a circumferential flange, preferably, segmented, and sized, shaped and configured to ride over the top surface of a cooperating bottleneck flange during installation so as to permit alignment of the cap for proper thread engagement prior to thread contact, and to then engage with the bottleneck flange to assist in retaining the closure after installation is complete.
  • the bottom surface of the closure disk contains a circumferential flange which seals the container by contact with the top surface of the bottleneck, while a cooperating flange located at or below the intersection of the closure disk and depending skirt but above the closure thread (s) acts to form a seal with the outer surface of the bottleneck.
  • the present invention also provides a novel neck finish for a container which includes an annular wall that defines a cylindrical opening there through.
  • the annular wall includes at least one thread (which may be a single continuous thread) shaped to mate with the closure thread (s) upon snap-on or screw-on application.
  • One end of the neck finish is typically open to the outside and has positioned thereon an annular flange sealed by the closure disk circumferential flange, while the other end of the neck finish terminates at the container body and has a flange that cooperates with the flange on the tamper evident band to align the threads for proper installation and to subsequently retain the tamper- evident band.
  • the cap includes threads which are designed to slide or ride over corresponding threads on the neck finish of a bottle to provide a cap for bottlers so that they do not have to change their neck finishing equipment in order to accommodate either a snap-on or screw-on cap.
  • the present invention therefore provides a bottle finish and a cap that, when used in combination, affords enhanced application of the cap to the neck finish both by the end user of the bottle and the filler/capper of the bottle.
  • the invention facilitates the placement of the cap on the neck finish by pushing it on or snapping over the neck or by twisting. In either method, a leak free closure is provided to the bottle.
  • Fig 1. is an elevation in partial section of a preferred embodiment of a cap according to the present invention.
  • Fig. 2 is a plan view of the cap shown in Fig. 1.
  • Fig. 3 is a partial section of the cap shown in Fig. 1 as installed on a preferred cooperating container neck finish.
  • cap 30 preferably made of a high density material such as high density polyethylene (HDPE) or polypropylene, but also capable of manufacture using low density materials such as low density polyethylene (LDPE) .
  • Cap 30 preferably comprises a top disk closure member 31 designed to cover the mouth or opening in a neck finish 10 of a container.
  • a depending annular wall (or "skirt") 32 that preferably has a single continuous thread 43 on its interior surface adapted for screw-on engagement with a cooperating threaded structure 24 on bottleneck 10.
  • threads 43 and 24 can also be segmented and/or configured with multiple leads for screw-on and/or snap-on application of the cap 30.
  • Annular wall 32 includes a tamper-evident band 34 extending from its lower end.
  • Tamper-evident band 34 preferably contains a perforated connection 38 to annular wall 32 that is configured for drop-down screw-off removal, but can also be formed with a weakened line to permit tear removal using a pull tab 36 which may be upwardly or downwardly extending.
  • Connection 38 can include frangible elements breakably securing it to the annular wall 32 as is well known in the art.
  • Cap 30 preferably includes a circumferential flange 40 positioned on the annular wall adjacent connection 38 that is segmented (but which can be continuous) .
  • Flange 40 is preferably sized, shaped and configured to ride over the top surface of a cooperating bottleneck flange 21 during installation so as to permit alignment of the cap 30 for proper cap thread 43 and bottleneck thread 24 engagement prior to thread contact, and to then engage with the bottleneck flange 21 to assist in retaining the closure after cap installation is complete.
  • the bottom surface of the closure disk contains a circumferential flange 48 which preferably seals the container by contact with the top surface of the bottleneck 17 as shown in Fig.l, but which can also seal the inner surface as shown in Fig.3.
  • a cooperating flange 41 is located at or below the intersection of the closure disk 31 and depending skirt 32 but above the closure thread (s) 43 and acts to form a seal with the outer surface of the bottleneck 10.
  • the bottleneck finish 10 is partially shown in Fig.3, including an annular wall 11 that defines a cylindrical opening there through.
  • the annular wall 11 includes at least one thread 24 on its exterior (which may be a single continuous thread) shaped to mate with the closure threads 43 upon snap-on or screw-on application.
  • Threads 24 extend around the exterior surface of container neck 10, preferably in a helically spaced single continuous thread configuration adapted for screw-on engagement with cap threads 43.
  • container threads 24 can also be segmented and/or configured with multiple leads for snap-on application the cap 30.
  • One end of the neck finish 10 is typically open to the outside and has positioned thereon an annular flange 17 sealed by the closure disk top flange 48, while the other end of the neck finish terminates at the container body and has a flange
  • a second annular flange that cooperates with the flange 40 on the tamper evident band 34 to align the threads 43 and 24 for proper installation and to subsequently retain the tamper-evident band 34.
  • cap flange 41 having a circumferential lip 23 is provided for engagement with cap flange 41.
  • the manufacture of the cap and neck finish is particularly well suited to standard preform or blow molding techniques
  • the cap when used in combination with the neck finish of the present invention permits both the placement and removal of the cap on the neck finish by screw-on screw-off or snap-on screw-off application
  • By varying the number and/or total extent of arcuate engagement of the threads it is possible to provide a cap which is capable of application onto numerous existing threaded neck finishes to provide a secure leak proof package.

Landscapes

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

Abstract

La présente invention concerne un bouchon fileté inviolable (30) adapté pour être appliqué à une finition de goulot de récipient (10) coopérant. La bande inviolable (34) contient une bride circonférentielle (40) dimensionnée, formée et configurée pour recouvrir la surface supérieure d'une bride de goulot de bouteille coopérante (21) pendant l'installation, ce qui facilite l'alignement du bouchon et assure sa mise en prise correcte avant le contact avec les filets. Ce système assure ensuite une mise en prise appropriée avec la bride du goulot pour maintenir le bouchon en place après son installation. La surface inférieure du disque du bouchon contient une bride circonférentielle (48) qui ferme hermétiquement le récipient en venant en contact avec la surface supérieure (17) du goulot, tandis qu'une bride coopérante (41) placée en dessous de l'intersection du disque de bouchon et de la bride mais au-dessus des filetage du bouchon (43) agit pour assurer une fermeture étanche avec la surface extérieure du goulot. L'invention a également pour objet une nouvelle finition de goulot (10) pour un récipient adapté pour être utilisée avec ledit bouchon.
PCT/US2001/002886 2000-01-29 2001-01-29 Bouchon filete inviolable et finition de col pour ce type de bouchon WO2001055000A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001233092A AU2001233092A1 (en) 2000-01-29 2001-01-29 Threaded tamper-evident closure and neck finish for such a closure

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49341900A 2000-01-29 2000-01-29
US09/493,419 2000-01-29

Publications (1)

Publication Number Publication Date
WO2001055000A1 true WO2001055000A1 (fr) 2001-08-02

Family

ID=23960147

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/002886 WO2001055000A1 (fr) 2000-01-29 2001-01-29 Bouchon filete inviolable et finition de col pour ce type de bouchon

Country Status (2)

Country Link
AU (1) AU2001233092A1 (fr)
WO (1) WO2001055000A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003026979A2 (fr) * 2001-09-28 2003-04-03 Gen-Probe Incorporated Systeme de fermeture
WO2008150823A1 (fr) * 2007-05-31 2008-12-11 Graham Packaging Company, Lp Finition et fermeture pour un contenant pouvant être pasteurisé en plastique
EP2010435A2 (fr) * 2006-04-18 2009-01-07 Portola Packaging, Inc. Structure de filetage conique

Citations (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US118267A (en) 1871-08-22 Improvement in clod-fenders
US1536439A (en) 1924-01-07 1925-05-05 Edgar C Allen Mercury switch
US2114553A (en) 1936-06-24 1938-04-19 Murray Co Separator
US2269163A (en) 1938-04-07 1942-01-06 Tennessee Eastman Corp Process for dehydrating aliphatic acids by a combined extraction-distillation method
US3980195A (en) 1974-11-18 1976-09-14 Owens-Illinois, Inc. Tamper-proof closure
FR2340254A1 (fr) * 1976-02-03 1977-09-02 Grussen Jean Capsule de bouchage a vis a etancheite amelioree et moule de fabrication
US4196818A (en) 1977-12-14 1980-04-08 Metal Closures Group Limited Closures for containers
US4343408A (en) 1980-04-21 1982-08-10 General Kap (P.R.) Corporation Tamper-evident plastic closure
US4448319A (en) 1982-02-06 1984-05-15 Firma Heinrich Josef Winter Screw cap
US4497765A (en) 1979-09-21 1985-02-05 H-C Industries, Inc. Process for making a closure
US4534480A (en) 1984-06-01 1985-08-13 Sun Coast Plastics, Inc. Tamper evident closure
US4561553A (en) 1985-01-22 1985-12-31 Northern Engineering And Plastics Corp. Snap on twist off tamper-proof closure for containers
US4625875A (en) 1985-02-04 1986-12-02 Carr Joseph J Tamper-evident closure
EP0316167A2 (fr) * 1987-11-11 1989-05-17 Dainippon Ink And Chemicals, Inc. Combinaison d'un bouteille en résine synthétique et sa fermeture
US5190178A (en) 1990-08-09 1993-03-02 Cap Snap Co Snap-on, screw-off cap and container neck
US5213224A (en) 1990-08-09 1993-05-25 Portola Packaging, Inc. Snap-on, screw-off cap and container neck
US5215204A (en) 1992-03-09 1993-06-01 Creative Packaging Corp. Tamper evident closure with hinged band
US5267661A (en) 1990-08-09 1993-12-07 Portola Packaging, Inc. Snap-on, screw off cap and container neck
US5285912A (en) 1992-07-31 1994-02-15 Northern Engineering & Plastics, Corp. Snap on pull off tamper indicating flexible cap and neck configuration
US5307946A (en) 1993-03-24 1994-05-03 Northern Engineering & Plastics, Corp. Neck finish for a container and a matching registering multiple thread pattern in a flexible cap for engagement on neck said finish
US5456376A (en) 1990-08-09 1995-10-10 Portola Packaging, Inc. Snap-on, screw off cap and container neck
US5480045A (en) 1993-03-24 1996-01-02 Portola Packaging, Inc. Neck finish for a container and a matching registering multiple thread pattern in a flexible cap for engagement on said neck finish
US5487481A (en) 1994-10-31 1996-01-30 Sander; Dieter Tamper evident plastic closure
US5553727A (en) 1995-04-27 1996-09-10 Consumer Cap Corporation Tamper-evident cap and neck finish
US5560504A (en) 1993-03-24 1996-10-01 Molinaro; Luca Snap on pull off tamper indicating flexible cap and neck configuration
US5593055A (en) 1990-08-09 1997-01-14 Portola Packaging, Inc. Snap-on, screw-off cap with tamper-evident skirt and container neck
GB2311285A (en) * 1996-03-22 1997-09-24 Beeson & Sons Ltd Snap-on, twist-off container closure assemblies
US5738231A (en) 1996-04-19 1998-04-14 Rexam Closures, Inc. Tamper indicating threaded closure-container package
WO1999044896A2 (fr) * 1998-03-03 1999-09-10 Frank Schellenbach Capuchon en plastique avec bande de garantie separable et joint interieur

Patent Citations (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US118267A (en) 1871-08-22 Improvement in clod-fenders
US1536439A (en) 1924-01-07 1925-05-05 Edgar C Allen Mercury switch
US2114553A (en) 1936-06-24 1938-04-19 Murray Co Separator
US2269163A (en) 1938-04-07 1942-01-06 Tennessee Eastman Corp Process for dehydrating aliphatic acids by a combined extraction-distillation method
US3980195A (en) 1974-11-18 1976-09-14 Owens-Illinois, Inc. Tamper-proof closure
FR2340254A1 (fr) * 1976-02-03 1977-09-02 Grussen Jean Capsule de bouchage a vis a etancheite amelioree et moule de fabrication
US4196818A (en) 1977-12-14 1980-04-08 Metal Closures Group Limited Closures for containers
US4497765A (en) 1979-09-21 1985-02-05 H-C Industries, Inc. Process for making a closure
US4343408A (en) 1980-04-21 1982-08-10 General Kap (P.R.) Corporation Tamper-evident plastic closure
US4448319A (en) 1982-02-06 1984-05-15 Firma Heinrich Josef Winter Screw cap
US4534480A (en) 1984-06-01 1985-08-13 Sun Coast Plastics, Inc. Tamper evident closure
US4561553A (en) 1985-01-22 1985-12-31 Northern Engineering And Plastics Corp. Snap on twist off tamper-proof closure for containers
US4625875A (en) 1985-02-04 1986-12-02 Carr Joseph J Tamper-evident closure
EP0316167A2 (fr) * 1987-11-11 1989-05-17 Dainippon Ink And Chemicals, Inc. Combinaison d'un bouteille en résine synthétique et sa fermeture
US5190178A (en) 1990-08-09 1993-03-02 Cap Snap Co Snap-on, screw-off cap and container neck
US5213224A (en) 1990-08-09 1993-05-25 Portola Packaging, Inc. Snap-on, screw-off cap and container neck
US5267661A (en) 1990-08-09 1993-12-07 Portola Packaging, Inc. Snap-on, screw off cap and container neck
US5593055A (en) 1990-08-09 1997-01-14 Portola Packaging, Inc. Snap-on, screw-off cap with tamper-evident skirt and container neck
US5456376A (en) 1990-08-09 1995-10-10 Portola Packaging, Inc. Snap-on, screw off cap and container neck
US5215204A (en) 1992-03-09 1993-06-01 Creative Packaging Corp. Tamper evident closure with hinged band
US5285912A (en) 1992-07-31 1994-02-15 Northern Engineering & Plastics, Corp. Snap on pull off tamper indicating flexible cap and neck configuration
US5480045A (en) 1993-03-24 1996-01-02 Portola Packaging, Inc. Neck finish for a container and a matching registering multiple thread pattern in a flexible cap for engagement on said neck finish
US5560504A (en) 1993-03-24 1996-10-01 Molinaro; Luca Snap on pull off tamper indicating flexible cap and neck configuration
US5307946A (en) 1993-03-24 1994-05-03 Northern Engineering & Plastics, Corp. Neck finish for a container and a matching registering multiple thread pattern in a flexible cap for engagement on neck said finish
US5487481A (en) 1994-10-31 1996-01-30 Sander; Dieter Tamper evident plastic closure
US5553727A (en) 1995-04-27 1996-09-10 Consumer Cap Corporation Tamper-evident cap and neck finish
US5553727C1 (en) 1995-04-27 2001-09-04 Rical Sa Tamper-evident cap and neck finish
GB2311285A (en) * 1996-03-22 1997-09-24 Beeson & Sons Ltd Snap-on, twist-off container closure assemblies
US5738231A (en) 1996-04-19 1998-04-14 Rexam Closures, Inc. Tamper indicating threaded closure-container package
WO1999044896A2 (fr) * 1998-03-03 1999-09-10 Frank Schellenbach Capuchon en plastique avec bande de garantie separable et joint interieur

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003026979A2 (fr) * 2001-09-28 2003-04-03 Gen-Probe Incorporated Systeme de fermeture
US6702134B2 (en) 2001-09-28 2004-03-09 Gen-Probe Incorporated Closure system
WO2003026979A3 (fr) * 2001-09-28 2004-03-11 Gen Probe Inc Systeme de fermeture
EP2010435A2 (fr) * 2006-04-18 2009-01-07 Portola Packaging, Inc. Structure de filetage conique
EP2010435A4 (fr) * 2006-04-18 2010-12-29 Portola Packaging Inc Structure de filetage conique
WO2008150823A1 (fr) * 2007-05-31 2008-12-11 Graham Packaging Company, Lp Finition et fermeture pour un contenant pouvant être pasteurisé en plastique

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