Pipes and tubular conduits – Distinct layers – With intermediate insulation layer
Patent
1990-03-15
1991-12-03
Bryant, III, James E.
Pipes and tubular conduits
Distinct layers
With intermediate insulation layer
138110, 138113, 138114, 138148, F16L 914
Patent
active
050692550
ABSTRACT:
A pipeline casing insulator to support a coated pipe within a tubular, metallic casing. The pipeline casing insulator comprises a flexible belt formed of a material that is capable of bonding to an organic resin. A plurality of parallel bar-like runnners are formed fron an insulative and non-abrasive polymer concrete that is cast onto an outer facing surface of the belt. The belt is preferably a strip of an organic non-woven material. The polymer concrete is preferably a mixture of a thermosetting polymer resin, such as epoxy, polyester or polyrethane, and an aggregate. The aggregate preferably comprises a mixture of substantially incompressible coarse particulate material, such as sand or gravel, and fine filler material, such as calcium carbonate, silica flour, or kaolin. The inner facing surface of the belt preferably has a mastic coating covered by a release paper that can be removed, to allow attachement of the belt to the outer surface of the pipe by circumferentially wrapping the belt around the pipe.
REFERENCES:
patent: 192474 (1877-06-01), Wiestling
patent: 2735449 (1956-02-01), Grahame
patent: 2782804 (1957-02-01), Bond
patent: 3117902 (1964-01-01), Holzheimer
patent: 3557840 (1971-01-01), Myabee
patent: 3619474 (1971-12-01), Beck
patent: 3692619 (1972-09-01), Wedekind et al.
patent: 4351365 (1982-09-01), Bauermeister et al.
Bryant III James E.
Power Lone Star, Inc.
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