Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – Mold having movable core or movable pin
Patent
1991-02-06
1992-10-20
Hoag, Willard
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
Mold having movable core or movable pin
425383, 425394, B29C 4517
Patent
active
051568640
ABSTRACT:
A plastics threaded fitting molding mechanism, which is aimed to resolve the conventional problem limited only to produce single direction threads, utilizes three pushing rods and corresponding co-axially disposed therein, performing reciprocating movement, to make the three ways plastics threaded fitting. Therefore, it is substantial to save time and labor while reducing manufacturing cost.
REFERENCES:
patent: Re31404 (1983-10-01), Anger
patent: 1961213 (1934-06-01), Guyot
patent: 2079393 (1937-05-01), Benge
patent: 4589623 (1986-05-01), Horch et al.
patent: 4848718 (1989-07-01), Harrison
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