Curvable fibrous thermal insulation

Details Curvable fibrous thermal insulation Curvable fibrous thermal insulation

1976-03-05

1977-05-24

Robinson, Ellis

Stock material or miscellaneous articles

Structurally defined web or sheet

Including grain, strips, or filamentary elements in...

428 36, 428105, 428112, 428114, 428109, 428218, 428297, 428302, 428432, 428426, 138149, B32B 512, F16L 914

Patent

active

040256804

ABSTRACT:
A thermal insulation structure of fibrous material is described. The insulation comprises alternating and abutting parallel strips of fibrous material wherein the fiber orientations in alternate strips are at right angles to each other. This structure preserves the insulating properties of the fibrous material while permitting it to be readily curved around a pipe without creating stresses in the material which would cause it to tend to straighten out. The fibrous material may be glass fiber, mineral wool or the like, preferably glass fiber. The density of the individual insulating batt strips may be as low as 0.5 pcf, but is preferably at least 1.5 pcf. Both pipes and curved vessels may be advantageously insulated by this invention.

REFERENCES:
patent: 347631 (1886-08-01), Merriam
patent: 2332233 (1943-10-01), Katz
patent: 2949953 (1960-08-01), DiMaio
patent: 3012923 (1961-12-01), Slayter
patent: 3620258 (1969-04-01), Graham
patent: 3713959 (1973-01-01), Rottmayer
patent: 3832815 (1974-09-01), Balaz
patent: 3886024 (1975-05-01), Chase

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