Mold structure

Details Mold structure Mold structure

1983-12-23

1985-12-31

Hoag, Willard E.

Static molds

Uniting preform with molding material

Preform supported by partition and preform projects within...

249160, 425116, 425127, 425542, B29C 3910, B29C 4526

Patent

active

045616256

ABSTRACT:
The present invention relates to a mold structure for forming a polymeric gasket around a predetermined portion of a sheet of transparent material such as glass, for example. The mold structure includes two cooperating mold sections for defining a chamber for receiving the transparent sheet. A seal is positioned about the periphery of the chamber and is utilized to resiliently support the sheet within the chamber. Also, the seal cooperates with a predetermined portion of the transparent sheet for defining a gasket cavity having a configuration corresponding to the gasket to be formed on the sheet of transparent material. An inlet communicates with the gasket cavity and is utilized to introduce a flowable gasket material into the gasket cavity.

REFERENCES:
patent: 2137472 (1938-11-01), Forbes
patent: 2579072 (1951-12-01), Harris
patent: 2736067 (1956-02-01), Boschi
patent: 3183285 (1965-05-01), Boylan
patent: 3263014 (1966-07-01), Deisenroth
patent: 3314640 (1967-04-01), Snow
patent: 3381340 (1968-05-01), Chapin
patent: 3807146 (1974-04-01), Witkowski
patent: 4336009 (1982-06-01), Wolf
Hodgman et al., Handbook of Chemistry And Physics, 28 Ed., Chem. Rubber Pub. Co., Cleveland (1944) pp. 1642/1643 Relied On.
Anon, Webster's New World Dictionary World Pub. (1957) p. 465 Relied On.

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