Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Noninterengaged fiber-containing paper-free web or sheet...
Patent
1990-11-19
1996-07-23
Morris, Terrel
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Noninterengaged fiber-containing paper-free web or sheet...
428256, 4283144, 4283179, 4283193, 428328, B32B 326
Patent
active
055387853
ABSTRACT:
The object is to make a construction element lighter and in particular to increase the modulus of elasticity. This takes place by a foamed plastic layer bonded with solid plastic outer shell regions 12, 13 and metal mats 22, 23 laid therein. The plastic contains pieces of metal strip that are bent in a three dimensional configuration.
REFERENCES:
patent: 3647608 (1972-03-01), Enlow et al.
patent: 4221697 (1980-09-01), Osborn et al.
patent: 4248931 (1981-02-01), Salman
patent: 4542054 (1985-09-01), Fillmann
patent: 4925719 (1990-05-01), Staneluis et al.
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