[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

EP0293901A1 - Fermeture pour récipient - Google Patents

Fermeture pour récipient Download PDF

Info

Publication number
EP0293901A1
EP0293901A1 EP88108884A EP88108884A EP0293901A1 EP 0293901 A1 EP0293901 A1 EP 0293901A1 EP 88108884 A EP88108884 A EP 88108884A EP 88108884 A EP88108884 A EP 88108884A EP 0293901 A1 EP0293901 A1 EP 0293901A1
Authority
EP
European Patent Office
Prior art keywords
closure
fin
container
neck
flared
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.)
Withdrawn
Application number
EP88108884A
Other languages
German (de)
English (en)
Inventor
John Harry Guest
James Frederick Herbert
Peter Reginald Haines
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arconic Closure Systems International UK Ltd
Original Assignee
Metal Closures Ltd
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
Priority claimed from GB838323037A external-priority patent/GB8323037D0/en
Priority claimed from GB838327991A external-priority patent/GB8327991D0/en
Application filed by Metal Closures Ltd filed Critical Metal Closures Ltd
Publication of EP0293901A1 publication Critical patent/EP0293901A1/fr
Withdrawn legal-status Critical Current

Links

Images

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
    • B65D41/02—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
    • B65D41/0428—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a collar, flange, rib or the like contacting the top rim or the top edges or the external surface of a container neck

Definitions

  • This invention relates to container closures.
  • a closure for a container having a neck which is externally screw-threaded, said closure being moulded in one piece from a plastics material and comprising a top, a dependent skirt the radially inner surface of which is formed with a screw-thread, a surface which is flared in a direction away from the top being formed on the internal surface of the skirt where it joins the top, and an annular resiliently flexible fin extending from the underside of the top at a position spaced radially inwardly of said flared surface, said fin having an increasing diameter in a direction away from the top and having a length such as to permit at least its portion adjoining its free edge to lie against said flared surface when the fin is deformed outwardly by the top of the neck of a container to which the closure is to be applied and to extend round the outer corner portion of the neck of the container to a location on or contiguous to a cylindrical outer surface of the neck of the container.
  • said flared surface is conical and is inclined at 45° or less to the central axis of the closure. In one example the angle is 30°.
  • the fin may conveniently also be conical and may extend parallel to said flared surface.
  • the free end portion of the fin is thicker than the main body of the fin.
  • the free end portion may be thus thickened by reason of the provision of a peripheral rib formed locally on either the radially inner surface or the radially outer surface of said free portion.
  • the thickening of the free end portion serves to reduce the tensile stress in the fin when the closure is applied and in consequence to reduce the degree of extension of the free end portion of the fin so that a greater part of the length of the fin tends to hug the corner portion of the neck more closely and thus improves the seal.
  • a peripheral rib is formed on the radially inner surface of the fin, the rib may itself form with the neck of the container an additional line seal about the neck.
  • the flared surface may engage the rib and press the free end portion of the fin towards the neck of the container, preferably at a position slightly below the outer corner portion of the neck.
  • the radially inner surface of the fin may have a plurality of annular grooves formed therein, each pair of adjacent grooves defining between them an annular rib of triangular cross-section.
  • the grooves may be triangular and of buttress section, and the buttress face of the groove may face towards or away from the top to form a rib or ribs suitable for use with containers for materials under vacuum or under pressure, or may be of other triangular shape such as isosceles or equilateral triangular shape to form a rib or ribs of other required cross-sectional shape.
  • the closure 10 is moulded in one piece from a resilient plastics material and has a top 11 and a dependent skirt 12 formed with an internal screw-thread 13 and external knurling 14.
  • the thickness of the top increases gradually towards the centre.
  • the corner region 15 at the upper end of the skirt is thickened and has a conically flared internal surface 16 extending at an angle of 30° to the central axis 17 of the closure.
  • Spaced radially inwardly of the surface 16 is a flexible resilient annular fin 18 of uniform thickness which extends from the underside of the top and substantially parallel to the surface 16.
  • the top 21 of the neck of the container deforms the fin 18 upward as illustrated in Figures 2 and 3, and the fin lies across and against at least the radially outer portions of the top 21 of the container neck and has a sufficient length in contact with the surface 16 to be pressed thereby against the outer corner portion 22 of the neck to form a top and corner seal.
  • the axial length of the surface 15 and the length of the fin are also such that this sealing engagement takes place when the diameter of the container neck is on the upper limit of its tolerance as shown in Figure 2 or on the lower limit of its tolerance as shown in Figure 3.
  • Figure 4 shows a modification in which buttress-­section triangular grooves 23 (three such grooves in the present instance) are formed on the radially inner surface of the fin to form between them ribs to provide improved sealing engagement between the fin and the container.
  • the buttress faces 24 of the grooves face away from the top and this arrangement is particularly suitable in some cases where the container has a partial vacuum internally thereof.
  • Figure 5 shows an alternative modification for use in some cases where the container holds a carbonated beverage, again to provide improved sealing engagement between the fin and the container, the radially inner surface of the fin having formed therein buttress-section triangular grooves 26 to form between them ribs whereof the buttress face 27 is directed towards the top.
  • grooves of other sections may be formed in the radially inner surface of the fin to form between them ribs of complementary section.
  • the fin 18 has a main body of uniform thickness but has its free end portion of the fin thickened by reason of the formation of a broad flat-topped rib 30 on the radially inner surface of the end portion.
  • Figures 6 and 7 show the closure applied to a screw-threaded container neck 20, the diameters of which are at the lower and upper limits of the tolerance, and Figure 7 also shows the sealing fin in its unstressed condition extending parallel to the flared surface 16.
  • the rib 30 serves to strengthen the free end portion of the fin so that the diametral strain in that portion, due to the outward flexing of the fin by the top and outer corner parts of the neck, is less than if the rib were absent, and in consequence the end portion of the fin tends to lie closer to the outer corner portion of the neck even when, as in Figure 6, it is not constrained by the surface 16 to do so.
  • FIG. 8 and 9 The construction shown in Figures 8 and 9 is similar to that in Figures 6 and 7, but in Figures 8 and 9 the thickening of the free end portion of the fin is achieved by forming a rib 31 having a curved profile on the radially outer surface of the fin 18.
  • Figures 8 and 9 show the closure applied to container necks on the lower and higher limits respectively of the diametral tolerance.
  • the thickening of the free end portion of the fin strengthens it locally and causes it to be stretched to a lesser extent, but the surface 16 engages the rib 31 and presses the free end portion of the fin radially inward so as further to improve the seal.
  • the fin may have a thickness of the order of 0.63mm (.025 ⁇ ).
  • the closure shown in Figures 6 to 9 may additionally have grooves on the radially inner faces of the fins forming sealing ribs as described in relation to Figures 4 and 5.
  • the closure may thus be designed for use with either glass of plastic containers which are intended to contain still or carbonated liquids or materials under partial volume.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP88108884A 1983-08-26 1984-08-24 Fermeture pour récipient Withdrawn EP0293901A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB838323037A GB8323037D0 (en) 1983-08-26 1983-08-26 Container closures
GB8323037 1983-08-26
GB838327991A GB8327991D0 (en) 1983-10-19 1983-10-19 Container closures
GB8327991 1983-10-19

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP84305822.3 Division 1984-08-24

Publications (1)

Publication Number Publication Date
EP0293901A1 true EP0293901A1 (fr) 1988-12-07

Family

ID=26286800

Family Applications (2)

Application Number Title Priority Date Filing Date
EP88108884A Withdrawn EP0293901A1 (fr) 1983-08-26 1984-08-24 Fermeture pour récipient
EP19840305822 Expired EP0136088B1 (fr) 1983-08-26 1984-08-24 Fermeture pour récipient

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19840305822 Expired EP0136088B1 (fr) 1983-08-26 1984-08-24 Fermeture pour récipient

Country Status (9)

Country Link
EP (2) EP0293901A1 (fr)
AU (1) AU570997B2 (fr)
CA (1) CA1282033C (fr)
DE (1) DE3476368D1 (fr)
ES (1) ES281256U (fr)
FI (1) FI80653C (fr)
HK (1) HK74289A (fr)
IE (1) IE55655B1 (fr)
SG (1) SG22589G (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0529383A2 (fr) * 1991-08-28 1993-03-03 JACOB BERG GmbH & CO. KG Capuchon à vis en plastique pour bouteilles sous pression
EP0580369A1 (fr) * 1992-07-21 1994-01-26 CarnaudMetalbox plc Fermeture en matière plastique en une pièce
EP0644125A1 (fr) * 1993-09-22 1995-03-22 Jacques Perchepied Bouchon
US5423444A (en) * 1988-06-17 1995-06-13 Mk Plastics Pty Ltd. Linerless closure for carbonated beverage container
EP0714367A1 (fr) * 1993-08-19 1996-06-05 Closures and Packaging Services Limited Fermeture sans doublure pour recipient
WO1996026121A1 (fr) * 1995-02-21 1996-08-29 Mcg Closures Limited Fermeture de recipient a centrage automatique
WO1996040568A1 (fr) * 1995-06-07 1996-12-19 Bruno Taddei Bouchon filete constitue de resine synthetique moulee, pourvu d'une levre d'etancheite assurant l'etancheite axiale contre les fuites
US5638972A (en) * 1988-06-17 1997-06-17 Druitt; Rodney Malcolm Linerless closure for carbonated beverage container
GB2313115A (en) * 1995-02-21 1997-11-19 Metal Closures Group Ltd Self-centering container closure
US6126027A (en) * 1995-02-21 2000-10-03 Mcg Closures Limited Self-centering container closure
FR2828173A1 (fr) * 2001-08-01 2003-02-07 Rical Sa Bouchon comprenant une jupe interieure d'etancheite cooperant avec la face exterieure d'un col de recipient

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ213944A (en) * 1984-11-05 1988-02-12 Sunbeam Plastics Corp Screw-threaded closure-container assembly
US4708255A (en) * 1985-12-12 1987-11-24 Tri-Tech Systems International Inc. Closure cap with a linerless seal and a method for forming such closure and seal
WO1989012584A1 (fr) * 1988-06-17 1989-12-28 M.K. Plastics Pty. Limited Couvercle sans revetement interieur pour recipients de boissons gazeuses
GB9906194D0 (en) 1999-03-18 1999-05-12 Closures & Packaging Serv Ltd Closure with seal member
BR112021014221A2 (pt) * 2019-01-21 2021-09-28 Weener Plastics Group B.V. Fecho para um recipiente, método para fabricar um fecho, e, conjunto

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1187260A (fr) * 1956-11-27 1959-09-09 Cerbo Ab Dispositif de fermeture de l'embouchure d'un récipient
US3259266A (en) * 1964-01-06 1966-07-05 Dykem Company Closures for fluid containers
FR1525583A (fr) * 1966-06-10 1968-05-17 Thomassen & Drijver Bouteille en matière plastique avec obturateur
US3802590A (en) * 1972-05-22 1974-04-09 Bernardin Inc Linerless container closure
FR2327930A1 (fr) * 1975-10-13 1977-05-13 Alca Sa Bouchon a vis en matiere thermoplastique
FR2339540A1 (fr) * 1976-01-28 1977-08-26 Bouchons Plastiques Perfectionnements aux bouchons a vis
US4072244A (en) * 1977-02-04 1978-02-07 Owens-Illinois, Inc. Linerless closure
GB1602746A (en) * 1978-05-30 1981-11-18 Montgomery Daniel & Son Ltd Closure device for containers
GB2120219A (en) * 1982-05-17 1983-11-30 Metal Closures Group Plc Containers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8204885A (nl) * 1981-12-24 1983-07-18 Anchor Hocking Corp Voeringloze vacuumsluiting van kunststof.

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1187260A (fr) * 1956-11-27 1959-09-09 Cerbo Ab Dispositif de fermeture de l'embouchure d'un récipient
US3259266A (en) * 1964-01-06 1966-07-05 Dykem Company Closures for fluid containers
FR1525583A (fr) * 1966-06-10 1968-05-17 Thomassen & Drijver Bouteille en matière plastique avec obturateur
US3802590A (en) * 1972-05-22 1974-04-09 Bernardin Inc Linerless container closure
FR2327930A1 (fr) * 1975-10-13 1977-05-13 Alca Sa Bouchon a vis en matiere thermoplastique
FR2339540A1 (fr) * 1976-01-28 1977-08-26 Bouchons Plastiques Perfectionnements aux bouchons a vis
US4072244A (en) * 1977-02-04 1978-02-07 Owens-Illinois, Inc. Linerless closure
GB1602746A (en) * 1978-05-30 1981-11-18 Montgomery Daniel & Son Ltd Closure device for containers
GB2120219A (en) * 1982-05-17 1983-11-30 Metal Closures Group Plc Containers

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5638972A (en) * 1988-06-17 1997-06-17 Druitt; Rodney Malcolm Linerless closure for carbonated beverage container
US7431877B2 (en) 1988-06-17 2008-10-07 Closures And Packaging Services Limited Linerless closure for carbonated beverage container
US6805252B2 (en) 1988-06-17 2004-10-19 Closures And Packaging Services Limited Container and linerless closure combination
US6325228B1 (en) 1988-06-17 2001-12-04 Closures And Packaging Services Limited Linerless closure for carbonated beverage container
US5423444A (en) * 1988-06-17 1995-06-13 Mk Plastics Pty Ltd. Linerless closure for carbonated beverage container
US6082569A (en) * 1988-06-17 2000-07-04 Closures And Packaging Services Limited Linerless closure for carbonated beverage container
US5836464A (en) * 1988-06-17 1998-11-17 Closures And Packaging Services Limited Closure for beverage container
EP0529383A2 (fr) * 1991-08-28 1993-03-03 JACOB BERG GmbH & CO. KG Capuchon à vis en plastique pour bouteilles sous pression
EP0529383A3 (en) * 1991-08-28 1993-08-04 Jacob Berg Gmbh & Co. Kg Plastic screw cap for pressurized bottles
EP0580369A1 (fr) * 1992-07-21 1994-01-26 CarnaudMetalbox plc Fermeture en matière plastique en une pièce
US5439126A (en) * 1992-07-21 1995-08-08 Carnaudmetalbox Plc One-piece plastics
EP0714367A4 (fr) * 1993-08-19 1998-01-21 Precision Valve Australia Fermeture sans doublure pour recipient
EP0714367A1 (fr) * 1993-08-19 1996-06-05 Closures and Packaging Services Limited Fermeture sans doublure pour recipient
FR2710325A1 (fr) * 1993-09-22 1995-03-31 Perchepied Jacques Bouchon à visser.
EP0644125A1 (fr) * 1993-09-22 1995-03-22 Jacques Perchepied Bouchon
WO1996026121A1 (fr) * 1995-02-21 1996-08-29 Mcg Closures Limited Fermeture de recipient a centrage automatique
GB2313115B (en) * 1995-02-21 1998-08-19 Metal Closures Group Ltd Self-centering container closure
US6126027A (en) * 1995-02-21 2000-10-03 Mcg Closures Limited Self-centering container closure
GB2313115A (en) * 1995-02-21 1997-11-19 Metal Closures Group Ltd Self-centering container closure
WO1996040568A1 (fr) * 1995-06-07 1996-12-19 Bruno Taddei Bouchon filete constitue de resine synthetique moulee, pourvu d'une levre d'etancheite assurant l'etancheite axiale contre les fuites
FR2828173A1 (fr) * 2001-08-01 2003-02-07 Rical Sa Bouchon comprenant une jupe interieure d'etancheite cooperant avec la face exterieure d'un col de recipient
WO2003011699A1 (fr) * 2001-08-01 2003-02-13 Bericap Bouchon comprenant une jupe interieure d'etancheite

Also Published As

Publication number Publication date
HK74289A (en) 1989-09-22
FI843298A (fi) 1985-02-27
EP0136088A2 (fr) 1985-04-03
CA1282033C (fr) 1991-03-26
FI80653B (fi) 1990-03-30
EP0136088B1 (fr) 1989-01-25
SG22589G (en) 1989-07-14
AU570997B2 (en) 1988-03-31
IE55655B1 (en) 1990-12-05
EP0136088A3 (en) 1986-08-06
DE3476368D1 (en) 1989-03-02
FI80653C (fi) 1990-07-10
ES281256U (es) 1985-12-16
FI843298A0 (fi) 1984-08-21
IE842127L (en) 1985-02-26
AU3227584A (en) 1985-02-28

Similar Documents

Publication Publication Date Title
EP0293901A1 (fr) Fermeture pour récipient
US4526284A (en) Plastic closure with sealing fin
EP0119055A2 (fr) Fermeture
US7182213B2 (en) Closure assembly for a wide mouth vessel
US4089463A (en) Screw caps
JP3574445B2 (ja) いじくり明示用の蓋
AU2010209515B2 (en) Container closure assembly with pressure seal
US3189072A (en) Container outlet and closure therefor
US7055710B2 (en) Plug seals for user-friendly cap assemblies
US4771905A (en) Tight screw cap for threaded container neck
US3335923A (en) Angled seat closure
US3297185A (en) Plastic bottle finish
US6702133B1 (en) Plastic retorable container system having a closure with an improved conformable liner
AU5749990A (en) Plastic closure with improved seal
US3370732A (en) Cap seal
GB2222821A (en) Closures for releasably sealing containers
US4640430A (en) Screw caps for containers
US5848717A (en) Snap-on seal arrangement on a container
US4557394A (en) Lock arrangement for closures
US3107022A (en) Screw cap
NZ209283A (en) Closure with integral sealing fin
GB2133394A (en) Improvements relating to closures
GB2131774A (en) Improvements relating to closures for bottles and other containers
US20060108316A1 (en) Plug seals for user-friendly cap assemblies
AU2002215132B2 (en) Plug seals for user-friendly cap assemblies

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AC Divisional application: reference to earlier application

Ref document number: 136088

Country of ref document: EP

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19890608