Sandwich elements in the form of slabs, shells and the like

Details Sandwich elements in the form of slabs, shells and the like Sandwich elements in the form of slabs, shells and the like

1993-10-12

1994-09-20

Cannon, James C.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

523099, 5230911, 52578, 525881, 52806, 52817, 220445, 312400, 312401, 428 365, 428 3691, 428 53, 428 58, 428 71, 428192, 4283186, 4283193, B32B 108, B65D 9002, E04B 232, E04C 234, E04C 238

Patent

active

053487788

ABSTRACT:
Sandwich elements in the form of slabs, shells and the like, consisting of facings and a rigid polyurethane foam core can be joined together in an airtight and watertight manner when they are provided with edge profiles which are cast from casting materials forming flexible polyurethane foam and which have a groove and a tongue.

REFERENCES:
patent: 3564801 (1971-02-01), Hulrta
patent: 4350734 (1982-09-01), Hammond
patent: 4425740 (1984-01-01), Golden
patent: 4485801 (1984-06-01), Merritt
patent: 4744185 (1988-08-01), Lamberet et al.
patent: 5097643 (1992-03-01), Wittler
Abstract of F.R.G. 2,551,886 (May 26, 1977).
Abstract of F.R.G. 1,800,773 Jul. 16, 1986.

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