Apparatus for applying plastic to a planar surface

Details Apparatus for applying plastic to a planar surface Apparatus for applying plastic to a planar surface

1975-10-14

1977-02-01

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

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

Extrusion shaping means

222255, 425287, 425382R, 425464, 425809, 425DIG224, 425DIG229, B29C 1302

Patent

active

040059600

ABSTRACT:
An improvement in a method of applying plastic to a planar surface which comprises extruding the plastic through an annular orifice as a ring onto the planar surface. The improvement is particularly helpful in the manufacture of push button ends for beverage cans.

REFERENCES:
patent: 2279380 (1942-04-01), Reid
patent: 2770011 (1956-11-01), Kelly
patent: 2771225 (1956-11-01), Perkins
patent: 2965932 (1960-12-01), Knowles
patent: 3241191 (1966-03-01), Nouel
patent: 3343211 (1967-09-01), Strickman
patent: 3719441 (1973-03-01), Spaak et al.
patent: 3787159 (1974-01-01), Bielfeldt

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