Arrangement for manufacturing curved wall portions of heat insul

Cutting – Other than completely through work thickness or through work... – Splitting

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834351, 83661, 83810, 83813, 83817, 83820, 83874, B26D 328, B27B 1702

Patent

active

046062548

ABSTRACT:
An arrangement for manufacturing curved wall portions of a heat insulating wall, and particularly for cutting a block of heat-insulating synthetic foam material over a contour embracing a section of a container surface to be insulated, has a chain saw with a cutting tool which slides along an outer edge of a flexible web and has a turning axes in which it is driven for running, a drive for running the cutting tool along the outer edge of the flexible web and including two rotary elements, upright guiding elements each located at a respective end of the chain saw and arranged to guide the latter for upward and downward movements between a plurality of upright positions, a drive for displacing the chain saw in an upright direction and including two displacing elements arranged to act upon a respective end of the chain saw in synchronism with one another, a drive for inclining the turning axes of the cutting tool of the chain saw relative to one another and about a horizontal axis extending in a cutting direction between a plurality of inclined positions, and a drive for moving the block in vertical and horizontal directions relative to the chain saw.

REFERENCES:
patent: 846869 (1907-03-01), Snow
patent: 2326509 (1943-08-01), Womack
patent: 2691206 (1954-10-01), Kautz
patent: 3491631 (1970-01-01), Skinner
patent: 3850061 (1974-11-01), Wirstrom
patent: 4033213 (1977-07-01), Eiselt et al.
patent: 4111085 (1978-09-01), Johnson
patent: 4532846 (1985-08-01), Schmalz

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