Cutting – By endless band or chain knife – With tool in-feed
Patent
1984-03-09
1985-08-06
Yost, Frank T.
Cutting
By endless band or chain knife
With tool in-feed
83808, 83811, B26D 150
Patent
active
045328463
ABSTRACT:
A method of manufacturing curved wall portions of a heat insulating wall for a container having a curved surface, includes the steps of forming a block of heat insulating synthetic foam material with a contour embracing a section of a container surface to be insulated, cutting the block of synthetic foam material over the contour so as to form a curved blank, coating the curved blank with a baffle layer of the same contour, and finally cutting the coated blank along joining surfaces so as to produce a wall portion with final dimensions. An arrangement for manufacturing the wall portions includes a first unit provided with a cutting tool rotatable about a flexible web for cutting a block of heat insulating synthetic foam material over a contour embracing a section of a container surface to be insulated so as to form a curved blank, and a second unit including two pairs of band saws for finally cutting the curved blank coated with a baffle layer along joining surfaces so as to produce a wall portion with final dimensions.
REFERENCES:
patent: 2720230 (1955-10-01), Lockwood et al.
patent: 2726719 (1955-12-01), Marcalus
Striker Michael J.
Wezel GmbH & Co KG
Yost Frank T.
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