Method of making an insulated window space assembly

Details Method of making an insulated window space assembly Method of making an insulated window space assembly

1986-04-25

1987-08-04

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Obtaining plural product pieces from unitary workpiece

29458, 29453, 29525, 52172, 52790, 312140, 403295, 403402, B23P 1700

Patent

active

046836349

ABSTRACT:
A window spacer assembly is disclosed having tubular members interconnected by corner pieces. The corner pieces are provided with flexible fingers which create an interference fit with the tubular member ends and resist forces which tend to pull the assembly apart.

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patent: 3866380 (1975-02-01), Benson
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patent: 4045104 (1977-08-01), Peterson
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patent: 4099815 (1978-07-01), Cox et al.
patent: 4105348 (1978-08-01), Anderson et al.
patent: 4108520 (1978-08-01), Litchfield
patent: 4145150 (1979-03-01), Rafeld
patent: 4222209 (1980-09-01), Peterson
patent: 4357744 (1982-11-01), McKenzie et al.
patent: 4530195 (1985-07-01), Leopold

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