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1. (WO1991008959) CONTAINER CLOSURE, AND METHOD FOR PRODUCING SAME
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/008959 International Application No.: PCT/US1990/007294
Publication Date: 27.06.1991 International Filing Date: 18.12.1990
Chapter 2 Demand Filed: 18.07.1991
IPC:
B29C 45/14 (2006.01) ,B65D 43/02 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
C
SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
45
Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
14
incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B PERFORMING OPERATIONS; TRANSPORTING
65
CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
D
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
43
Lids or covers for rigid or semi-rigid containers
02
Removable lids or covers
Applicants:
POLYSTAR PACKAGING INCORPORATED [US/US]; 29 Harbor Avenue Norwalk, CT 06850, US
Inventors:
HEYN, William, M.; US
ROTH, Donald, J.; US
Agent:
HOLT, William, H.; Law Offices of William H. Holt 727-23rd Street South Suite 150 Arlington, VA 22202, US
Priority Data:
451,81218.12.1989US
Title (EN) CONTAINER CLOSURE, AND METHOD FOR PRODUCING SAME
(FR) DISPOSITIF DE FERMETURE POUR RECIPIENT, ET PROCEDE DE REALISATION
Abstract:
(EN) Closures for containers, such as cans and the like, wherein the closure is comprised of an end panel (10) and a frame member (28) which, preferably, are attached together during an insert-injection molding operation used for forming the frame member (28). Depending upon the respective materials, the attachment therebetween may comprise heat-bonding or adhesives and the like. The various end panels have a displaceable panel (18, 16) portion for providing an opening in the closure to provide access to the product(s) within the container. The various panel portions are defined by weakening lines, perforations or cut lines (18, 16) in the end panel and molded runners (30) for 'repairing' and/or sealing weakened or lanced portions of the end panels. The molded runners (30) provide beam strength for protecting against excessive bulging during autoclave or other sterilization processes and against buckling during vacuum processing.
(FR) On décrit des dispositifs de fermeture pour récipients, par exemple des boîtes métalliques et analogues, dans lesquels le dispositif de fermeture comporte un panneau d'extrémité (10) et un élément de cadre (28) qui sont de préférence rendus mutuellement solidaires par un processus d'insertion/moulage par injection lors de la production de l'élément de cadre (28). En fonction des matériaux utilisés, leur système de fixation peut être le scellage à chaud ou collage par adhésif ou analogue. Les différents panneaux d'extrémité sont munis d'une partie de panneau pouvant être retirée (18, 16) qui permet d'ouvrir le dispositif afin d'accéder au(x) produit(s) contenu(s) dans ledit récipient. Les différentes parties du panneau sont définies par des lignes d'affaiblissement, des perforations ou des lignes de coupe (18, 16) prévues dans le panneau d'extrémité, et des parties moulées pour 'réparer' et/ou sceller les parties affaiblies ou soyées des panneaux d'extrémité. Les parties moulées (30) offrent une résistance longitudinale pour empêcher tout flamblage excessif pendant les traitements en autoclave ou de stérilisation et contre le flambage pendant les opérations sous vide.
Designated States: AT, AU, BB, BG, BR, CA, CH, DE, DK, ES, FI, GB, HU, JP, KP, KR, LK, LU, MC, MG, MW, NL, NO, RO, SD, SE, SU
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CM, GA, ML, MR, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP0506871CA2071939AU1991070782