Dead air fluid pipe insulation

Details Dead air fluid pipe insulation Dead air fluid pipe insulation

1990-11-20

1992-07-21

Robinson, EllisP.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 369, 428 60, 138 93, 138 99, 138120, 138155, F16L 5914

Patent

active

051321505

ABSTRACT:
An insulating covering for pipes with an air inflatible flexible envelope having an inner and an outer skin, the inner skin adapted to fit loosely over the outer diameter of a pipe to be insulated and including respective male and female end portions adapted to respectively engage a female and male end portion of another envelope to form a continuous insulating cover for the pipe and an air valve mounted in the outer skin for the ingress and egress of air into the envelope thereby inflating the same to provide a substantially firm, self-supporting envelope not requiring any means of support when inflated other than the air encased within the envelope and surrounding the pipe and insulating the same from the ambient.

REFERENCES:
patent: 3095337 (1961-07-01), Chase
patent: 4448218 (1984-05-01), Vetter

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