Bushing, formed compressible insulation for insulating air space

Details Bushing, formed compressible insulation for insulating air space Bushing, formed compressible insulation for insulating air space

1979-06-21

1982-07-06

Perham, Alfred C.

Static structures (e.g., buildings)

Wall, ceiling, or floor designed for utilities

Load-bearing, prefabricated, abutting units with aligned...

16 2, 52221, 138156, 248 56, 285 47, 285192, E04B 548, E04F 1708

Patent

active

043376037

ABSTRACT:
A bushing formed of insulation that can be installed in holes drilled in wood framing components, used to construct a building, such as a dwelling, these holes are drilled so plumbing pipes & electrical wiring can be installed in said framing components.
Purpose of this invention is to close off & insulate these holes before the articles are installed, or after they are installed, either method would greatly reduce infiltration & heat transfer through these necessary drilled holes, reducing the energy usage in said building, helping our Countries energy conservation program.

REFERENCES:
patent: 2160009 (1939-05-01), Walker
patent: 3191632 (1965-06-01), Keiding
patent: 3816610 (1974-06-01), Lusby
patent: 3918667 (1975-11-01), Madden
patent: 3973789 (1976-08-01), Kunz
patent: 4086736 (1978-05-01), Landrigan
patent: 4180297 (1979-12-01), Abrams

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