Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1992-05-22
1993-12-14
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
249144, 249148, 425577, 425589, 4254501, 425468, B29C 4536
Patent
active
052699986
ABSTRACT:
A method of molding a ferrule of plastic resin provided with at least one hole having a small diameter and positioned at a predetermined position by a mold having a pair of associated molding ferrule halves, including the steps of arranging a molding core having at least one pin for defining the hole in a cavity defined by the pair of molding ferrule halves, holding the molding ferrule halves by a clamping force, the molding ferrule halves having inner members for positioning the pin and being free from the clamping force, supplying plastic resin into said cavity and pressing the inner members of the molding ferrule halves by a force separate from the mold clamping force.
REFERENCES:
patent: 4342549 (1982-08-01), Lemelson
patent: 4649616 (1987-03-01), Bricker
patent: 4711752 (1987-12-01), Deacon et al.
Imamizo Seiichi
Kimura Takahide
Shigematsu Takashi
Takagi Koichi
Heitbrink Jill L.
The Furukawa Electric Co. Ltd.
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