Thermoplastic block shape, feeding mechanism and manufacturing m

Details Thermoplastic block shape, feeding mechanism and manufacturing m Thermoplastic block shape, feeding mechanism and manufacturing m

1984-10-23

1986-11-11

Rolla, Joseph J.

Dispensing

With heating or cooling means

Heating only

222391, 74128, 74160, 74169, 226127, 226167, 219230, B67D 562

Patent

active

046217487

ABSTRACT:
A block of solid thermoplastic material comprising alternating sections of circular and rectangular cross section, a device for melting and dispensing thermoplastic material having a thumb operated drive assembly for driving the block into the device, and a molding mechanism including two chain like structures that move along linear path portions with molds included in the structures in face to face relationship while molten thermoplastic is injected in an inlet end of the linear path portion to continuously mold the block.

REFERENCES:
patent: 2732101 (1956-01-01), Sohn
patent: 2760228 (1956-08-01), Verges
patent: 2995159 (1961-08-01), Berggren
patent: 3204828 (1965-09-01), Paulsen
patent: 3298572 (1967-01-01), Newton
patent: 3337093 (1967-08-01), Newton
patent: 3612357 (1971-10-01), Ruskin
patent: 3917123 (1975-11-01), Grenfell
patent: 4315885 (1982-02-01), Lemelson

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