Composite rigid insulation materials containing V-grooves

Details Composite rigid insulation materials containing V-grooves Composite rigid insulation materials containing V-grooves

1992-05-18

1994-05-10

Loney, Donald J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428158, 428159, 428172, 428210, 428212, 428284, 4283184, 1381181, 138128, 138137, 138151, 138158, 52727, 52737, B32B 328, F16L 918

Patent

active

053105940

ABSTRACT:
Flat, rectangular composite insulation comprising two dissimilar insulating materials on a separate flexible backing material is described. At least one of the two dissimilar materials is rigid. V-grooves are formed in the dissimilar materials extending from the surface of the insulation opposite of the flexible backing up to, but not through the flexible backing. The V-grooving permits the rigid composite insulation to be fitted to a curved surface such as a pipe.

REFERENCES:
patent: 3092529 (1963-06-01), Pearson
patent: 3212529 (1965-10-01), Ullman et al.
patent: 3251382 (1966-05-01), Tatsch
patent: 3615149 (1971-10-01), Malone et al.
patent: 3969868 (1976-07-01), Bainter et al.
patent: 5013597 (1991-05-01), Kracke

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