Metal fusion bonding – Process – Mechanically joining metal/nonmetal and bonding to the metal
Patent
1987-08-20
1989-03-21
Jordan, M.
Metal fusion bonding
Process
Mechanically joining metal/nonmetal and bonding to the metal
228121, 228124, 228128, 228222, 22826312, 285423, 285238, 285287, 285288, 156276, 427203, 427204, B23K 3100
Patent
active
048135909
ABSTRACT:
To alter the surface qualities of nonreactive materials, such as polypropylene and polyethylene in order to provide a means for bonding the plastic to metal, hard granular materials of oxides or carbides are partially impregnated into the surface of the plastic by application of heat and pressure so that granular edges remain exposed. Thereafter, a silver coating is applied over the impregnated plastic to interlock with the granules. The composite layered plastic then provides a means for soldering or bonding the plastic to a metallic coupling using either a bonding cement or a low temperature solder such as bismuth, lead, or tin based solder. Abrasion-resistant qualities also are improved by impregnating the internal surfaces of a plastic tube in order to improve its wear-resistance during transporting abrasive slurries of sand, coal, and the like.
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"Tempil" Anti-Heat Flyer, Big Three Industries, Inc., South Plainfield, N.J., Apr., 1977.
Heinrich Samuel M.
Jordan M.
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