Apparatus for forming a liner in a container closure

Details Apparatus for forming a liner in a container closure Apparatus for forming a liner in a container closure

1982-02-04

1983-11-01

Czaja, Donald E.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Extrusion shaping means

425110, 425126R, 425127, 425809, B28B 500, B29F 110

Patent

active

044127979

ABSTRACT:
A method for forming a liner of the desired shape in a container closure, and an apparatus for carrying out this method. The method involves extruding a liner stock in the heated and molten state into an annular shape by an extruder, positioning the annular liner stock at a predetermined location in a closure, and molding the annular liner stock positioned in the closure into the desired shape while it is still in the molten state.

REFERENCES:
patent: 1484961 (1924-02-01), Peelle
patent: 3577595 (1971-05-01), Smith
patent: 3877497 (1975-04-01), Busi
patent: 4274822 (1981-06-01), Tamai et al.
patent: 4293510 (1981-10-01), George et al.
patent: 4336011 (1982-06-01), George et al.

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