Insulation access aperture liner

Details Insulation access aperture liner Insulation access aperture liner

1989-03-17

1991-04-30

Bryant, III, James E.

Pipes and tubular conduits

Distinct layers

With intermediate insulation layer

138 90, 138 92, F16L 5510, F16L 914

Patent

active

050109260

ABSTRACT:
A closable through insulation access aperture liner to permit inspection of the wall of an insulated pipe or vessel which liner isolates insulation and prevents insulation material, such as asbestos, from contamination of workers and work area.

REFERENCES:
patent: 177432 (1876-05-01), Smith
patent: 2741117 (1956-04-01), Hoseason
patent: 3658096 (1972-04-01), Higuera
patent: 3756287 (1973-09-01), Bishop
patent: 3827462 (1974-08-01), Celesta
patent: 4091842 (1978-05-01), Greenawalt et al.

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