Plastic closure and related container finish

Details Plastic closure and related container finish Plastic closure and related container finish

1981-03-09

1983-02-15

Norton, Donald F.

Bottles and jars

Closures

Cap type

215332, B65D 4106

Patent

active

043736416

ABSTRACT:
This relates to an improvement in the neck finish of a container and skirt of a cooperating closure to eliminate or substantially reduce squaring which exists in present closure-neck finish arrangements. The neck finish is constructed so as to control the torque required to apply the closure after it has been seated, thereby holding to a maximum the pressures which normally effect squaring. At the same time, the neck finish is provided with a supporting surface engageable by the closure skirt so as to permit supporting of the closure skirt against the undesired squaring.

REFERENCES:
patent: 942141 (1909-12-01), Hoffman
patent: 4166552 (1979-09-01), Faulstich

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