Apparatus for making herringbone gears and pumps incorporating t

Details Apparatus for making herringbone gears and pumps incorporating t Apparatus for making herringbone gears and pumps incorporating t

1998-09-01

1999-06-01

Ryan, Patrick

Metal founding

Means to shape metallic material

Pressure shaping means

164401, 164406, 164344, B22D 1700, B22D 2900

Patent

active

059080671

ABSTRACT:
An apparatus for manufacturing herringbone gears with an injection molding process is provided. The apparatus involves the use of two separable mold halves each of which include a mold cavity for molding one half of the gear. Moldable material is injected into the mold halves when they are in a sealing abutting engagement. After the material solidifies, the mold halves are separated and the gear is simultaneously unscrewed from each mold cavity.

REFERENCES:
patent: 4690009 (1987-09-01), Rakhit

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