Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1991-07-29
1994-06-28
Aftergut, Karen
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
2642791, 264301, 264313, 264334, B29C 4114, B29C 4120, B29C 4142
Patent
active
053244710
ABSTRACT:
A method for molding an article by dip or slush molding. The method includes the step of providing a flexible, heat resistant mold member. The mold member maintains its structural integrity during further heating and curing steps. Thus the mold member may therefore be used as an insert in the article to provide flexible stability at specific locations within the article. The mold member is made of a material which is substantially non-reactive with the molded article. The article may be any article made from a plastisol; in particular it can be a binaural for a stethoscope having a single or double lumens.
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Packard Thomas J.
Quackenbush James H.
Aftergut Karen
Griswold Gary L.
Hornickel John H.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
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