Closure pre-tightener for closure applicating machines

Details Closure pre-tightener for closure applicating machines Closure pre-tightener for closure applicating machines

1979-12-03

1982-01-05

Culver, Horace M.

Package making

Closing packages and filled receptacles

Separate closure applying

53317, 533315, B67B 320, B67B 3062, B65B 728

Patent

active

043087078

ABSTRACT:
This invention provides a pre-tightening mechanism for effecting the initial application of a threaded closure on a threaded bottle neck. The pre-tightening mechanism includes a friction rail for effecting a turning movement of the closure relative to the bottle neck and a spring biased cap hold-down plate which maintains a substantially constant pressure on the closure and maintains the closure panel horizontal during the pre-tightening operation.

REFERENCES:
patent: 3071909 (1963-01-01), Elleman
patent: 3477202 (1969-11-01), Zetterberg
patent: 3771284 (1973-11-01), Boeckmann et al.
patent: 3874147 (1975-04-01), Zetterberg
patent: 3908341 (1975-09-01), Conti
patent: 3924384 (1975-12-01), Kinney
patent: 3945174 (1976-03-01), Franz

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