Plastic and nonmetallic article shaping or treating: processes – With printing or coating of workpiece – Coating or impregnating workpiece before molding or shaping...
Patent
1990-02-12
1991-09-03
Woo, Jay H.
Plastic and nonmetallic article shaping or treating: processes
With printing or coating of workpiece
Coating or impregnating workpiece before molding or shaping...
264154, 264255, 264257, B29C 3910, B29C 3912
Patent
active
050452630
ABSTRACT:
A method of making a double wall tank from a single wall inner tank. A mixture of an internal lubricating agent and a curable synthetic resin is formed and applied over an exterior portion of the tank which when cured forms a rigid outer sheath that is fluid tight and resists bonding to the inner tank.
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Durkin II Jeremiah F.
Woo Jay H.
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