Coating processes – With post-treatment of coating or coating material – Solid treating member or material contacts coating
Patent
1973-06-12
1977-06-28
Lusignan, Michael R.
Coating processes
With post-treatment of coating or coating material
Solid treating member or material contacts coating
118 44, 118419, 118405, 118DIG11, 118DIG12, 427374A, 427390R, 427412, 427434R, B05D 118
Patent
active
040326772
ABSTRACT:
A method and apparatus of forming a coating of a rubber or a synthetic resin having an even thickness on the external surface of a tubular textile jacket made of fibers woven or knitted in a tubular form, which comprises passing the tubular textile jacket through a bath of a coating liquid such as a latex solution or rubber paste or a synthetic resin, and then curing the liquid coating attached to the external surface of the jacket. The present method is characterized in that an expanding member capable of inflating the tubular jacket to almost a circular shape in its cross-section is packed into the interior space of the tubular textile jacket and maintained in a definite position with respect to the coating liquid, thereby keeping the jacket almost circular in its cross-section at least for a distance from the point where the tubular textile jacket departs from the bath of coating liquid to a point where the coating liquid attached to the external surface of the tubular jacket no longer is fluid. A self-rotatable endless double-tubing and metal balls are advantageously used as the expanding member.
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patent: 3437537 (1969-04-01), Takada
patent: 3485907 (1969-12-01), Quackenbush et al.
Harada Yurifumi
Ichioka Eiji
Ashimori Kogyo Kabushiki Kaisha
Frenkel Stuart D.
Lusignan Michael R.
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