Reinforced foamed body support member

Details Reinforced foamed body support member Reinforced foamed body support member

1979-05-10

1981-05-05

Nunberg, Casmir A.

Chairs and seats

Bottom or back

Framework

5481, 297DIG1, 297456, 267142, A47C 2300

Patent

active

042654840

ABSTRACT:
A polyurethane foamed body support member having an essentially inextensible plastic reinforcing member positioned below the surface of the foam and in the preferred embodiment has a density difference of at least 0.5 between the foam above and below said plastic member.

REFERENCES:
patent: 3140086 (1964-07-01), Lawson
patent: 3161436 (1964-12-01), Hood
patent: 3319274 (1967-05-01), Upton
patent: 3849269 (1974-10-01), Ambrose
patent: 4064578 (1977-12-01), Yamada
patent: 4073020 (1978-02-01), Stalter
patent: 4092751 (1978-06-01), Burkholder et al.

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