Foldable composite reinforcing member for use in a foam structur

Details Foldable composite reinforcing member for use in a foam structur Foldable composite reinforcing member for use in a foam structur

1974-10-24

1976-08-31

Dier, Philip

Stock material or miscellaneous articles

Two dimensionally sectional layer

Next to unitary web or sheet of equal or greater extent

428 77, 428 81, 428119, 428121, 428255, 428322, 264 32, 264 462, 52309, 52615, B32B 310, E04C 100, E04C 234

Patent

active

039782557

ABSTRACT:
Walled structures are prepared from foam-in-place components such as those used to prepare rigid polyurethane foams wherein successive strips of foam are deposited and hardened within a three-sided enclosure having a generally H-shaped configuration. A foraminous scrim such as glass fiber mesh forms part of the vertical legs of the H and foam is disposed below the cross piece of the H to bond to adjacent scrim facing sheets and scrim of a previously disclosed strip. The foam is significantly reinforced, joined to the previously deposited structure and foaming components are isolated from depositing apparatus.

REFERENCES:
patent: 2009056 (1935-07-01), Schaffert
patent: 2314523 (1943-03-01), Speer
patent: 2777786 (1957-01-01), Schwartz et al.
patent: 2966436 (1960-12-01), Fox et al.
patent: 3331173 (1967-07-01), Elsner
patent: 3443276 (1969-05-01), Smith et al.
patent: 3519523 (1970-07-01), Rodman et al.

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