Container with tear-opening arrangement

Details Container with tear-opening arrangement Container with tear-opening arrangement

1979-12-06

1981-08-18

Hall, George T.

Bottles and jars

Nonrefillable

Guard or valve type

220266, 215 1C, 222541, B65D 102

Patent

active

042841992

ABSTRACT:
A container with tear-opening device particularly suitable for single-dose containers, obtained by the injection of thermoplastic material in opposite molds, and consisting of a closure membrane having a particularly thin tear surface as to constitute a preferential rupture zone, having a section thermically calibrated by the shrinking (on cooling after injection). A process for obtaining said containers is also disclosed and claimed.

REFERENCES:
patent: 3858739 (1975-01-01), Turner et al.
patent: 4134511 (1979-01-01), Deussen

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