EP0752372A1 - Couvercle facile a ouvrir - Google Patents

Couvercle facile a ouvrir Download PDF

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Publication number
EP0752372A1
EP0752372A1 EP96900325A EP96900325A EP0752372A1 EP 0752372 A1 EP0752372 A1 EP 0752372A1 EP 96900325 A EP96900325 A EP 96900325A EP 96900325 A EP96900325 A EP 96900325A EP 0752372 A1 EP0752372 A1 EP 0752372A1
Authority
EP
European Patent Office
Prior art keywords
cap
ring
easy
internal
joined
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.)
Ceased
Application number
EP96900325A
Other languages
German (de)
English (en)
Inventor
José Ma Roura Iglesias
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0752372A1 publication Critical patent/EP0752372A1/fr
Ceased legal-status Critical Current

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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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4011—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening completely by means of a tearing tab

Definitions

  • the present specification refers to a cap that is easy to open, of the type used as a closure for packs.
  • Easy to open caps made of plastic material are obtained by moulding of the material and have a main body the central part of which is closed by a laminate portion equipped with a ring, and delimited by a line of very thin material, this forming a line of breakage, such that when the ring is pulled the central laminate portion is released, leaving the central space which it had covered open.
  • Caps of this type may be used to close openings of small size, as if the removable laminate portion were used to cover a large area, and taking its reduced thickness into account, obtaining the same by moulding would be virtually impossible and would at least be excessively expensive.
  • the easy open cap which is the subject of this invention has been developed, this presenting the particularity of being composed of a body made of plastic material, in the form of two annular configurations, one external and one internal, joined by a portion of slight thickness which forms a line of breakage, and a lamina which is affixed, preferentially by ultrasound, onto the internal configuration of the original body, closing the central area of the latter.
  • the external configuration of the first body is designed to affix immovably onto the mouth of a recipient, and the interior presents, as is usual for this type of cap, a ring, joined to the same by means of a thicker portion, such that when the ring is pulled the internal configuration and the lamina joined to the same separate from the external form, which remains affixed to the pack.
  • the cap is composed of an original body to which a lamina is affixed, permits the easy open cap to have large dimensions, while as the extraction of the internal shape take place together with that of the laminate body, the hole within the cap presents a surface area that is practically the same as that of the mouth of the pack.
  • the lamina which originally seals the central area of the pack is to be made of transparent plastic material, thereby permitting the visual inspection of the product contained within the pack without having to open the latter, this currently being impossible, taking account of the fact that the caps to which we refer are used for metal packs, due to which this feature gives rise to an important advantage in comparison with currently known plastic or metal caps.
  • the easy open cap which is the subject of this invention is originally composed of an annular body (1) and a lamina (2).
  • the body (1) forms a ring shaped exterior (11) which is designed to be affixed to a pack, preferably one made of metal, and presents internally a peripheral part (12) of slight thickness which acts as a line of breakage and which is joined to an internal (13) ring shape.
  • This internal annular configuration (13) presents on one of its sides, more specifically on the side corresponding to the external part of the pack, a reinforcement (14) from which a ring (15) emerges, while on the opposite side of this annular shape (13) the periphery of the lamina (2) is affixed, preferentially by means of ultrasound, this closing the central part of the cap.
  • This lamina (2) is preferentially composed of several layers of transparent plastic material, thereby permitting the visual inspection of the product contained within the pack once the cap has been affixed onto the pack, without the need for the cap to be opened.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP96900325A 1995-01-12 1996-01-12 Couvercle facile a ouvrir Ceased EP0752372A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES09500043A ES2093552B1 (es) 1995-01-12 1995-01-12 Tapa de facil apertura.
ES9500043 1995-01-12
PCT/ES1996/000005 WO1996021597A1 (fr) 1995-01-12 1996-01-12 Couvercle facile a ouvrir

Publications (1)

Publication Number Publication Date
EP0752372A1 true EP0752372A1 (fr) 1997-01-08

Family

ID=8289126

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96900325A Ceased EP0752372A1 (fr) 1995-01-12 1996-01-12 Couvercle facile a ouvrir

Country Status (4)

Country Link
EP (1) EP0752372A1 (fr)
AU (1) AU4392096A (fr)
ES (1) ES2093552B1 (fr)
WO (1) WO1996021597A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US515627A (en) * 1894-02-27 William sykes
SE435035B (sv) * 1982-05-10 1984-09-03 Akerlund & Rausing Ab Lengs anvisning rivbar behallardel samt forfarande for dess framstellning
SE453820B (sv) * 1983-03-22 1988-03-07 Haustrup Plastic As Aterforslutbar behallare
JPH01267157A (ja) * 1988-04-07 1989-10-25 Showa Denko Kk 缶様容器蓋およびその製法
JPH0285147A (ja) * 1988-09-19 1990-03-26 Showa Denko Kk プラスチック製易開封性蓋
JPH0641304B2 (ja) * 1988-11-30 1994-06-01 昭和電工株式会社 缶様容器蓋体およびその製法
US5246133A (en) * 1991-09-16 1993-09-21 Sealright Co., Inc. Injection molded lid with window
US5156273A (en) * 1992-04-28 1992-10-20 Empak, Inc. Stackable composite lid and container arrangement

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Vol. 014, No. 277 (M-0985), 15.06.90; & JP,A,02 085 147 (SHOWA DENKO KK), 26.03.90. Ÿ *
PATENT ABSTRACTS OF JAPAN, Vol. 014, No. 478 (M-1036), 18.10.90; & JP,A,02 191 162 (SHOWA DENKO KK), 27.07.90. Ÿ *
See also references of WO9621597A1 *

Also Published As

Publication number Publication date
AU4392096A (en) 1996-07-31
ES2093552A1 (es) 1996-12-16
ES2093552B1 (es) 1997-07-01
WO1996021597A1 (fr) 1996-07-18

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Legal Events

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

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17P Request for examination filed

Effective date: 19961011

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Effective date: 19981008

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