Mold clamping method for straight hydraulic mold clamping appara

Details Mold clamping method for straight hydraulic mold clamping appara Mold clamping method for straight hydraulic mold clamping appara

1998-08-13

2000-08-15

Heitbrink, Jill L.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

425590, 4254512, B29C 4580

Patent

active

061031747

ABSTRACT:
A mold clamping method for a straight hydraulic mold clamping apparatus, wherein supply of mold clamping oil to the rear oil chamber of the mold clamping cylinder starts immediately before completion of slowing down of the mold closing process using rapid-moving cylinders, and raising the mold clamping force successively starts simultaneously with completion of the mold closing.

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patent: 4925618 (1990-05-01), Takada
patent: 4981426 (1991-01-01), Katashi
patent: 5129806 (1992-07-01), Hehl
patent: 5609801 (1997-03-01), Arai
patent: 5906778 (1999-05-01), Arai et al.

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