Stock material or miscellaneous articles – Two dimensionally sectional layer – With frame – casing – or perimeter structure
Patent
1993-12-09
1996-12-31
Choi, Kathleen
Stock material or miscellaneous articles
Two dimensionally sectional layer
With frame, casing, or perimeter structure
428131, 428192, 428171, 428218, 428288, 428289, 181198, 181210, 181293, 181286, E04B 182
Patent
active
055892426
ABSTRACT:
A housing lining for a piston engine, drive motor, or machine composed of a sound-absorbent layer of fibers. The fibers are compressed and glued to form an essentially pore-free supporting frame at least in the vicinity of the edge of the layer.
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patent: 3269484 (1966-08-01), Lighter
patent: 4149612 (1979-04-01), Bschorr
patent: 4242398 (1980-12-01), Segawa et al.
patent: 4584232 (1986-04-01), Frank et al.
patent: 5024290 (1991-06-01), Birker
patent: 5410111 (1995-04-01), Stief et al.
Jost Thomas
Mattutat Manfred
Muller-Broll Gerhard
Schmitt Klaus-Dieter
Schork Roger
Choi Kathleen
Firma Carl Freudenberg
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