Method of making jacketed foam pipe insulation

Details Method of making jacketed foam pipe insulation Method of making jacketed foam pipe insulation

1979-04-23

1980-11-04

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 79, 156242, 156245, 264 451, 264 464, 264259, 264275, 264321, B32B 520

Patent

active

042318254

ABSTRACT:
The method includes forming a semicylindrical glass fiber reinforced jacket, assembling the jacket with a smaller semicylindrical mold to provide a semicylindrical space therebetween, inserting foamable hardenable liquid resin in the space, allowing the liquid resin to foam and harden, removing the mold, and adhering compressible fibrous glass wool to an end face and to one flat longitudinal face of the jacketed foam. Optionally, compressible fibrous glass wool may also be applied to the radially inner face of the jacketed foam.

REFERENCES:
patent: 2642920 (1953-06-01), Simon et al.
patent: 3684609 (1972-08-01), Schneider

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