Filling the annulus between concentric tubes with resin

Details Filling the annulus between concentric tubes with resin Filling the annulus between concentric tubes with resin

1998-02-10

2000-04-04

Koslow, C. Melissa

Compositions

Electrolytes for electrical devices

501 951, E04B 174, C04B 1438, C04B 2800

Patent

active

060457171

ABSTRACT:
Concentric conduits are supplied for the purpose of minimizing heat transfer from within the inner conduit through the outer conduit. The air gap or annulus around the inner conduit is filled with a resin mixture which is mixed with vermiculite and mineral fiber to form a slurry. The slurry is pumped into an open end of the annulus to fill the annulus and enhance the heat insulation characteristics of the concentric conduits.

REFERENCES:
patent: 3439075 (1969-04-01), Bauer et al.
patent: 3950461 (1976-04-01), Levens
patent: 4104481 (1978-08-01), Wilkenloh et al.
patent: 4248752 (1981-02-01), Myles
patent: 4626466 (1986-12-01), Schmidt et al.
patent: 4963420 (1990-10-01), Jarrin et al.
patent: 5053362 (1991-10-01), Chi et al.

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