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Browse Prior Art Database

High Temperature Seal

IP.com Disclosure Number: IPCOM000090503D
Original Publication Date: 1969-May-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 46K

Publishing Venue

IBM

Related People

Wilson, JL: AUTHOR

Abstract

When molding a free-flowing plastic 10 onto a metal insert 11, the variation on insert tolerance, mold and mold closure causes excessive flash of plastic to flow down the inserts necessitating a hand deflashing operation. To correct this condition, TEFLON* block insert 12 is provided as a shutoff for the molding. Adjustment screw 13, behind a metal backup block 14, reduces replacement of the seal. Insert 12 forms itself around insert 11 to eliminate flash and manual trimming. *Trademark of E. I. du Pont de Nemours and Company.

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High Temperature Seal

When molding a free-flowing plastic 10 onto a metal insert 11, the variation on insert tolerance, mold and mold closure causes excessive flash of plastic to flow down the inserts necessitating a hand deflashing operation. To correct this condition, TEFLON* block insert 12 is provided as a shutoff for the molding. Adjustment screw 13, behind a metal backup block 14, reduces replacement of the seal. Insert 12 forms itself around insert 11 to eliminate flash and manual trimming. *Trademark of E. I. du Pont de Nemours and Company.

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