Method for preformation of cushion and apparatus therefor

Details Method for preformation of cushion and apparatus therefor Method for preformation of cushion and apparatus therefor

1981-08-14

1986-10-28

Ball, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

19296, 19301, 156296, 264119, 264121, 425 801, D04H 148

Patent

active

046197230

ABSTRACT:
A method for the preformation of a cushion for a seat, characterized by feeding an aggregate of three-dimensional curled short-fiber filaments to conveyor means, causing said conveyor carring thereon said aggregate of filament to be advanced under a rotary member provided on the outer surface thereof with a multiplicity of raised needles and kept in rotation and allowing said needles to come into contact with said aggregate of filaments thereby scraping part of the filaments from said aggregate and giving to said aggregate of filaments a prescribed shape.

REFERENCES:
patent: 2902395 (1959-09-01), Hirschy et al.
patent: 2923030 (1960-02-01), Himmelheber et al.
patent: 3034180 (1962-05-01), Greiner et al.
patent: 3413688 (1968-12-01), Songesand et al.
patent: 4172174 (1979-10-01), Takagi
patent: 4263093 (1981-04-01), Shenk

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