Method of making a gasket-sealed molded door and framing member

Details Method of making a gasket-sealed molded door and framing member Method of making a gasket-sealed molded door and framing member

1980-08-25

1983-01-04

Combs, Ervin M.

Metal working

Method of mechanical manufacture

Obtaining plural product pieces from unitary workpiece

49501, 264157, 264261, 264263, B23P 1700, B29D 302, B29D 900, B29G 300

Patent

active

043666116

ABSTRACT:
Sealed, molded fiberglass doors and the framing members which surround them, such as used on utility trucks and other purposes, are in the present invention molded in a single piece. The door panel, originally formed recessed inwardly from the framing member, is bounded by an outward facing V-groove whose outer wall slopes toward the framing member. The integral molded part is then severed to divide the sloping outer wall into a framing member flange and the outer margin of a V-flange which bounds the door. On fitting the cut edge of this V-flange with a heavily cushioned channel gasket, and presenting the door against the flange of the framing member, a secure seal is effected without any tendency to pull the gasket off the door edge, even when frozen. Forming the parts integrally not only saves mold costs and material costs, but also assures perfect fit.

REFERENCES:
patent: 2970347 (1961-02-01), Massopust
patent: 3822462 (1974-07-01), Chubb
patent: 4179790 (1979-12-01), Tornerfelt

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