Method of manufacturing cushion material

Details Method of manufacturing cushion material Method of manufacturing cushion material

1993-04-16

1994-11-22

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Utilizing diverse solid particles

264126, B29C 3502

Patent

active

053666780

ABSTRACT:
A method of manufacturing a cushion material for seat pads comprises a step for filling a mold part that will form the cushion material with a mixed fiber containing a thermofusible fiber, a step for engaging this mold part with another mold part, and a step for applying heat to a specific region of the mixed fiber that will form a bottom surface so that the thermofusible fiber in the specific region melts before the thermofusible fiber in the other region of the mixed fiber that will form a sitting surface of the cushion material.

REFERENCES:
patent: 4568581 (1986-02-01), Peoples, Jr.
patent: 4649014 (1987-03-01), Tochikawa
patent: 4663225 (1987-05-01), Farley et al.
patent: 5169580 (1992-12-01), Marcus

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