Heat insulating covering and method

Details Heat insulating covering and method Heat insulating covering and method

1997-05-13

1999-08-10

Ferensic, Denise L.

Pipes and tubular conduits

Distinct layers

With intermediate insulation layer

138148, 138DIG2, F16L 914

Patent

active

059343389

ABSTRACT:
A method of insulating a heated surface comprising enveloping the surface by a first layer of a heat insulating material having a high thermal resistivity such as Mineral Wool, and enveloping the first layer by a second layer of a material having a lower thermal resistivity, such as Polyurethane.

REFERENCES:
patent: 1251393 (1917-12-01), Longley
patent: 3665968 (1972-05-01), De Putter
patent: 3929167 (1975-12-01), Bickel
patent: 3955601 (1976-05-01), Plummer, III
patent: 4025675 (1977-05-01), Jonda
patent: 4968545 (1990-11-01), Fellman et al.
patent: 5310594 (1994-05-01), Holland et al.

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