Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1981-09-28
1984-10-02
Anderson, Philip E.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
1563317, 264 464, 264 469, 427244, 427247, 427258, 427409, B29D 2704
Patent
active
044746326
ABSTRACT:
A railroad tank car includes a tank body and means for applying generally uniform heat to the lower portion of the body. There are a plurality of spaced generally semicircular rings attached to the body with each pair of adjacent rings defining a heat chamber which extends laterally about the lower portion of the tank body. There are longitudinal channels having ports which open into each of the heat chambers. There is a cover for the tank which includes a longitudinally extending generally semicircular metal jacket. A layer of insulation is positioned about the jacket and a layer of plastic foam overlies and adheres to the insulation. The structure is completed by a plastic exterior coat, preferably fiberglass, which overlies and adheres to the plastic foam.
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