Thermal and acoustical insulating shield

Details Thermal and acoustical insulating shield Thermal and acoustical insulating shield

1998-03-03

2000-07-25

Dang, Khanh

Acoustics

Sound-modifying means

Sound absorbing panels

181208, 442388, E04B 182

Patent

active

060926228

ABSTRACT:
A flexible, adhesively attachable, thermal and acoustical insulating shield has a needled, flexible, fibrous batt (40) having an insulating layer (43) of insulating fibers (44) disposed between opposite binding layers (41, 42) of binding fibers (45). Binding fibers (45) of each binding layer (41, 42) are needledly disposed through the insulating layer (43) and an opposite binding layer (41, 42) to provide tufts (46) of binding fibers (45) protruding from the opposite binding layer (41, 42) so as to form a tufted upper surface (47) and a tufted lower surface (48) of the batt (40). A flexible adhesive (50) is disposed and adhered substantially over the upper surface (47) and lower surface (48) of the batt (40) such that the tufts (46) on the upper and lower surfaces (47, 48) are secured to the surfaces by the adhesive. A flexible, protective foil (51) is permanently adhered by the adhesive (50) to the lower surface (48) of the batt. The shield may be flexed and pressed to configure and permanently attach the upper surface (47) to an object (1) to be shielded.

REFERENCES:
patent: 1823405 (1931-09-01), Mazer
patent: 3975565 (1976-08-01), Kendall
patent: 4199635 (1980-04-01), Parker
patent: 4237180 (1980-12-01), Jaskowski
patent: 4389442 (1983-06-01), Pickens, Jr. et al.
patent: 4522876 (1985-06-01), Hiers
patent: 4851274 (1989-07-01), D'Elia
patent: 4996095 (1991-02-01), Behdorf et al.

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