Adjustable mold gate for a hot probe member

Details Adjustable mold gate for a hot probe member Adjustable mold gate for a hot probe member

1995-09-05

1998-07-14

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With means between charger and mold to cut off flow of...

2643289, 425566, B29C 4523

Patent

active

057800774

ABSTRACT:
Method and apparatus for adjusting either the flow area to a constant size mold gate or the area of a variable mold gate opening in order to control the flow of molten plastic to a mold cavity for the injection molding of plastic parts, such adjustment being made by rotating an outer rotary gate bushing relative to an inner stationary hot sprue bushing which is surrounded by said outer rotary gate bushing.

REFERENCES:
patent: 4687613 (1987-08-01), Tsutsumi
patent: 4781572 (1988-11-01), Boring
patent: 5030613 (1991-07-01), Orimoto et al.
patent: 5078589 (1992-01-01), Osuna-Diaz
patent: 5141155 (1992-08-01), Jacobsen
patent: 5141696 (1992-08-01), Osuna-Diaz
patent: 5231378 (1993-07-01), Gellert
patent: 5501594 (1996-03-01), Glozer
Osco's Exclusive Adjustable Mold Flow System by Osco Inc. 24 pages--Brochure.
Brochure relating to the "Dan-Tip Hot Runner System" dated Aug., 1993 at the latest--6 pages.

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