Apparatus for forming a coating on a tubular textile jacket

Details Apparatus for forming a coating on a tubular textile jacket Apparatus for forming a coating on a tubular textile jacket

1974-08-02

1977-05-03

Stein, Mervin

Coating apparatus

With means to deform work

118419, 26 80, 425460, 427434R, B05C 312, D06C 500

Patent

active

040207900

ABSTRACT:
A method for forming a coating of 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 continuously passing the tubular textile jacket through one or more baths of a coating liquid and then solidifying the coating liquid attached to the external surface of the jacket, characterized in that an expanding assembly provided with plural expanding members which are capable of inflating the tubular textile jacket to almost circular or elliptical form in its cross section and are arranged at appropriate intervals in the longitudinal direction of the assembly is put in the interior space of the jacket and maintained in a definite position to the coating liquid in the baths, thereby keeping the jacket almost circular or elliptic in its cross section at least for a distance from the position where the tubular textile jacket departs from the bath of coating liquid to the position where fluidity of the coating liquid attached to the external surface of the jacket is substantially lost. The use of the expanding assembly provided with plural expanding members capable of inflating the tubular textile jacket by mechanical pressure which are arranged at appropriate intervals in the longitudinal direction of the assembly overcomes drawbacks in the prior arts and warrants a smooth coating operation for the jacket without trouble.

REFERENCES:
patent: 1215419 (1917-02-01), Shields
patent: 2339151 (1944-01-01), Cohn et al.
patent: 3201827 (1965-08-01), Reynolds et al.
patent: 3204317 (1965-09-01), Hurt et al.
patent: 3296343 (1967-01-01), Buttolph et al.
patent: 3370116 (1968-02-01), Wrede
patent: 3437537 (1969-04-01), Takada
patent: 3616502 (1971-11-01), Aronoff

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