Coating processes – With post-treatment of coating or coating material – Heating or drying
Patent
1974-08-12
1977-06-21
Smith, Ronald H.
Coating processes
With post-treatment of coating or coating material
Heating or drying
427372R, 427385R, 428463, B05D 302
Patent
active
040312771
ABSTRACT:
A method for precoating a plug adapted to close off core openings in an internal combustion engine with a plastic which forms a fluid tight seal between the peripheral surface of the plug and the core opening upon insertion of the plug therein. The plug is preferably coated with a solution of vinylidene chloride-vinyl chloride copolymer in cyclohexanone which is cured by heating for twenty minutes at 160.degree. F (71.degree. C). The thickness of the plastic coating may be doubled by heating the coated plug for ten minutes at 250.degree. F (121.degree. C).
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Lasswell Tull C.
Monier John L.
Beck Shrive P.
Smith Ronald H.
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