Pipe insulation sleeve

Details Pipe insulation sleeve Pipe insulation sleeve

1984-07-31

1986-03-18

Marcus, Stephen

Pipes and tubular conduits

Distinct layers

With intermediate insulation layer

138151, B32B 1704

Patent

active

045762066

ABSTRACT:
A pipe insulation sleeve is made of mineral wool bound by a thermosetting binder and comprising an outer insulating layer consisting of a slab of mineral wool hardened throughout, the outer layer having a plurality of radial slits taken out from its inwards-turned surface, which slits run axially and are essentially closed and originally of V-shaped form, and an inner layer of mineral wool bonded to the outer layer by a thermosetting binder and of such thickness and density that it is in itself rigid and at the same time imparts rigidity to said outer layer. The insulating sleeves according to the invention are particularly advantageous when the inner diameter is 300 mm or greater and the thickness is more than 100 mm. A method and arrangement for production of the pipe insulation sleeve is also described.

REFERENCES:
patent: 2308607 (1943-01-01), Jackson
patent: 2405330 (1946-08-01), Ryder
patent: 2776231 (1957-01-01), Brown
patent: 3053715 (1962-09-01), Labino
patent: 3336951 (1967-08-01), Huelster
patent: 3687170 (1972-08-01), Malone et al.
patent: 4201247 (1980-05-01), Shannon
patent: 4459333 (1984-07-01), Murphy

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