Mattress

Details Mattress Mattress

1974-10-21

1976-05-18

Nunberg, Casmir A.

Beds

Bedsteads

Element or detail

5355, 428175, 428300, B32B 506, A47C 2708

Patent

active

039567834

ABSTRACT:
A mattress is formed of a core element and a covering. The covering comprises a nonwoven fabric which is formed by needle punching batts of thermoplastic staple. One side of the needle punched batt is heated to fuse the surface.

REFERENCES:
patent: 2385870 (1945-10-01), Lashar et al.
patent: 3321356 (1967-05-01), Merriman et al.
patent: 3394043 (1968-07-01), Parlin et al.
patent: 3819465 (1974-06-01), Parsons et al.

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