Container closure having weaker opening means

Details Container closure having weaker opening means Container closure having weaker opening means

1983-05-03

1984-05-15

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

220270, 220276, 2643281, B65D 1734, B65D 1740

Patent

active

044483244

ABSTRACT:
A container closure of the composite type comprising a supporting and protecting part of plastics, having a central panel and a circumferential flange, and a thin metal foil acting as sealing label, attached to said part.
A tearing denotation is formed in a multi step injection moulded weld zone and a sealing label is arranged to cover at least the weld zone of the container part. The weld zone includes abutment surfaces of the sequentially moulded parts acting as stop members preventing free relative movement between said parts after the weld zone is broken.

REFERENCES:
patent: 3499572 (1970-03-01), Rueklerg
patent: 4210618 (1980-07-01), Piltz et al.
patent: 4212409 (1980-07-01), Jeppson
patent: 4267937 (1981-05-01), Piltz et al.

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