Insulated pipe apparatus

Details Insulated pipe apparatus Insulated pipe apparatus

1986-07-29

1987-10-20

Bryant, III, James E.

Pipes and tubular conduits

Distinct layers

With intermediate insulation layer

138104, 138109, 138114, F16L 914

Patent

active

047007516

ABSTRACT:
An insulated pipe apparatus comprises an inner conduit for carrying fluids, an insulated material surrounding the conduit which extends along substantially the entire length of the inner conduit, a sheet of corrugated material surrounding the insulating material so as to provide a plurality of substantially constant cross-section elongated voids along the length of the insulation, a rigid outer casing surrounding the corrugated sheet, and an end seal covering the end cross-section of the pipe apparatus except for the inner conduit and providing a means to interconnect the elongated voids and to connect them with external equipment. Slots cut into an insulating material may be substituted for the corrugated sheet to provide a plurality of substantially constant cross-section elongated voids. A gel coat may be added to the exterior surface of the outer casing to provide further protection from the environment for the pipe apparatus.

REFERENCES:
patent: 2805972 (1957-09-01), Cross, Jr. et al.
patent: 3299417 (1967-01-01), Sibthorpe
patent: 3345245 (1967-10-01), Hanusa
patent: 3934618 (1976-01-01), Henderson
patent: 3972223 (1976-08-01), Torghele
patent: 4273161 (1981-06-01), McLaughlin

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