Mold assembly for injection molding

Details Mold assembly for injection molding Mold assembly for injection molding

1995-11-14

1997-12-09

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

425192R, 425441, 4254519, 249160, 249186, B29C 4517

Patent

active

056957904

ABSTRACT:
A mold assembly for injection molding including a female mold having a first pair of opposite inside walls and a second pair of opposite inside walls disposed at four sides and defining a trapezoidal cavitys two trapezoidal locating plates respectively fastened to the first pair of opposite inside walls inside the female mold, and defining two symmetrical pairs of sliding ways within the female mold at different elevations between the trapezoidal locating plates and the second pair of opposite inside walls, and a mold set fitting the trapezoidal cavity of the mold set, the female mold consisting of a left mold half and a right mold half detachably abutted together, each mold half having two sliding tongues at different elevations and slidably fitted into the sliding ways.

REFERENCES:
patent: 3534443 (1970-10-01), Tucker
patent: 3564660 (1971-02-01), Darnell
patent: 3853452 (1974-12-01), Delmonte
patent: 4202522 (1980-05-01), Hanas et al.
patent: 4383819 (1983-05-01), Letica
patent: 4676475 (1987-06-01), Grandin et al.
patent: 4731014 (1988-03-01), Von Holdt

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