Method for the closing of containers

Details Method for the closing of containers Method for the closing of containers

1987-12-14

1989-08-15

Robinson, Ellis P.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 3692, 428192, 428212, 428213, 428349, 428910, 215232, B65D 4302

Patent

active

048573698

ABSTRACT:
A body (1) of oriented thermoplastic material is converted through heating in an area adjoining one boundary surface of the material portion to a layer (10) of substantially non-oriented material. A film (2) is fixed to the fixing layer (10) by pressing the film with a compression and heating element (50) and the necessary heat is supplied so that the film (2) will be fixed to the fixing layer (10). Since the film is bonded to substantially non-oriented plastic material, the desired detachability in the bond between the film and the material portion (1) is achieved.

REFERENCES:
patent: 3296046 (1967-01-01), Pouncy et al.
patent: 3361607 (1968-01-01), Bruno
patent: 3388019 (1968-06-01), Thigpen
patent: 4056421 (1977-11-01), Jarvis
patent: 4379014 (1983-04-01), Rausing et al.
patent: 4456164 (1984-06-01), Foster
patent: 4497406 (1985-02-01), Takanashi

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