Closure head for securing a sealing cap to a container

Details Closure head for securing a sealing cap to a container Closure head for securing a sealing cap to a container

1985-07-02

1986-11-11

Kazenske, E. R.

Package making

Closing packages and filled receptacles

Separate closure applying

53356, B67B 314, B65B 728

Patent

active

046214810

ABSTRACT:
A closure head for securing a sealing cap having a disc-like top and a cylindrical skirt to a container comprises a central plunger slidable in a counter-pressure plunger between extended and retracted positions with respect thereto, a spring normally urging said central plunger to the extended position, a closure sleeve composed of a plurality of arms surrounding the counter-pressure plunger, each having at the free end thereof a clamp shoe provided with an inwardly projecting clamp rim and a radially outwardly directed inclined surface, a support sleeve for carrying said counter-pressure plunger and closure sleeve, a casing surrounding the support sleeve and supporting the latter therein, said casing being provided with a wear ring having an inclined surface in sliding contact with the inclined surfaces on the clamp shoes for closing the container upon sliding movement of the inclined surfaces of the clamp shoes along the wear ring, and the inwardly projecting clamp rim at the end of said each arm forming the clamp shoe being provided at its nearly center portion with a concave recess for forming projections spaced apart from each other at given distance around the skirt of the cap for closing the container.

REFERENCES:
patent: 2339119 (1944-01-01), Thomas
patent: 2452934 (1948-11-01), Kantor
patent: 2963835 (1960-12-01), Clift
patent: 3672121 (1972-06-01), Kawaminani

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