Seat cushion comprised of foam layers

Details Seat cushion comprised of foam layers Seat cushion comprised of foam layers

1991-09-11

1992-04-21

Luebke, Renee S.

Beds

Bedclothing

And means to facilitate changing thereof

297DIG1, A47C 2715, A47C 718

Patent

active

051054914

ABSTRACT:
A seat cushion comprising an upper foamed layer of low impact resilience having a ratio of not higher than 25% which exhibits high hysteresis loss and at least one foamed layer supporting said upper layer of higher impact resilience as well as a method for producing the same.

REFERENCES:
patent: 3161436 (1964-12-01), Hood
patent: 3612607 (1971-10-01), Lohr
patent: 3751111 (1973-08-01), Taylor
patent: 3833260 (1974-09-01), Harder
patent: 4190697 (1980-02-01), Ahrens
patent: 4405681 (1983-09-01), McEvoy
patent: 4432110 (1984-02-01), Sutton
patent: 4541885 (1985-09-01), Caudill
patent: 4606580 (1986-08-01), Yoshizawa
patent: 4747638 (1988-05-01), Saito

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