Process for the manufacture of flexible tubes

Details Process for the manufacture of flexible tubes Process for the manufacture of flexible tubes

1985-05-16

1986-09-23

Simmons, David

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

138122, 138129, 156195, 15624413, 15624415, F16L 1108, B31C 100

Patent

active

046133895

ABSTRACT:
A process for the manufacture of flexible tubes including a main body of a rubber material and a reinforcing element of a hard resin material in which the reinforcing element is embedded at least partly in the main body in a form of helical coil and adjoined thereto to form an integral body of the flexible tube. The flexible tube is manufactured by helically winding a composite web of a rubber strip and a hard resin strip adjoined to each lateral side end of the rubber strip with the web being in a plastic condition so that a lateral end portion of the resin strip in the web of each turn is made to be in contact with and adjoined to that of the preceding turn.

REFERENCES:
patent: 3199541 (1965-08-01), Richitelli
patent: 3885594 (1975-05-01), Tanaka
patent: 4302261 (1981-11-01), Simkins et al.
patent: 4343672 (1982-08-01), Kanao
patent: 4350547 (1982-09-01), Kanao
patent: 4383555 (1983-05-01), Finley

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