Grooving apparatus for injection molding machine barrel

Details Grooving apparatus for injection molding machine barrel Grooving apparatus for injection molding machine barrel

1995-04-25

1997-02-04

Eley, Timothy V.

Abrading

Machine

Rotary tool

451 51, 451280, 451514, 409143, B24B 719

Patent

active

055992242

ABSTRACT:
This invention relates to an apparatus and method to modify molding machines for producing colored plastic parts using coloring liquid. The apparatus is inserted into and moved longitudinally along an injection molding machine barrel for forming a groove of varying shape and depth in the lower portion of the barrel.

REFERENCES:
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patent: 2302141 (1942-11-01), Perry
patent: 2551061 (1951-05-01), Simpson et al.
patent: 3464313 (1969-09-01), Shay et al.
patent: 4557644 (1985-12-01), Scepanovic et al.
patent: 4887585 (1989-12-01), Nutt
patent: 4953279 (1990-09-01), Colby
patent: 5018917 (1991-05-01), Colby
patent: 5175964 (1993-01-01), Girndt

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