Apparatus for cutting expanded foam blocks to provide a predeter

Details Apparatus for cutting expanded foam blocks to provide a predeter Apparatus for cutting expanded foam blocks to provide a predeter

1976-05-28

1978-03-07

Yost, Frank T.

83171, 83565, 835811, 836511, B23C 116, B26F 312

Patent

active

040773019

ABSTRACT:
In the manufacture of modular chairs, couches and lounges, an apparatus shapes a block of an expanded plastic foam into a predetermined surface configuration by cutting by means of a hot wire tautly mounted on a frame for two dimensional manually guided movement defined by the periphery of a template. A rotating spiral saw replaces the hot wire as an alternate cutting device.

REFERENCES:
patent: 3540336 (1970-11-01), Kelsey
patent: 3757617 (1973-09-01), Fabbri
patent: 3800650 (1974-04-01), Schroder
patent: 3968711 (1976-07-01), Wilson

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