Method for installing thermal insulation materials on the inner

Metal working – Method of mechanical manufacture – Assembling or joining

Patent

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Details

29455R, 138140, 138149, B23P 1102

Patent

active

044894732

ABSTRACT:
Thermal insulation material is installed on the inner surface of a duct by placing and compressing said material on a cylinder, inserting the resulting unit into a duct, and releasing the pressure on said material.

REFERENCES:
patent: 3768523 (1973-10-01), Schroeder
patent: 3818948 (1974-06-01), Hedges
patent: 3921273 (1975-11-01), Kondo et al.
patent: 4240193 (1980-12-01), Krein
patent: 4273161 (1981-06-01), McLaughlin

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