Method for making firm area inside cushions

Details Method for making firm area inside cushions Method for making firm area inside cushions

1997-03-19

2000-07-04

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 451, 264 464, 264259, 264267, B29C 4406

Patent

active

060834358

ABSTRACT:
Disclosed is a method for providing various supports in cushions suitable for chairs sofas, and pillows. The method comprises piercing a previously manufactured cushion (86) with injecting needles (84) to inject a firming solution into the cushion (86) to provide the internal lumbar support (88). The needles (84) can be placed at a variety of different heights to product various effects. Also disclosed are a number of products that can be produced using the method, with explanations as to how the method can be adapted to produce each variation.

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patent: 4916765 (1990-04-01), Castronovo, Jr.
patent: 5192482 (1993-03-01), Brambach
patent: 5252270 (1993-10-01), Haardt et al.

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