Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Longitudinally progressive helical winding means
Patent
1975-08-22
1977-03-15
Whitby, Edward G.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Longitudinally progressive helical winding means
138122, 156143, 156446, 242 4701, 242 4708, B65H 8104
Patent
active
040122727
ABSTRACT:
A method and apparatus for continuously forming a reinforced flexible hose is disclosed. The apparatus includes a hose-forming device including a plurality of synchronously-rotatable mandrels with a plurality of spaced apart, annular grooves therein fixedly disposed in skewed fashion relative to each other. The reinforcing element of the flexible plastic hose is formed from metal wire which is delivered tangentially into the grooves in the rotating mandrels in a sequential, progressive fashion thereby forming a helically arranged wire structure. Simultaneously with the delivery of the wire to the mandrel grooves, the longitudinal edge of the plastic ribbon which is to form the body of the hose is pre-moistened with an appropriate rapid-drying, liquid-bonding agent and then circumferentially wrapped about the wire to completely enclose it. The succeeding edge of the following tape wrap is adhesively bonded to the subsequent tape wrap. By repeating this process wrap-to-wrap, a continuous, flexible hose is formed.
REFERENCES:
patent: 2398876 (1946-04-01), Bailey
patent: 3311523 (1967-03-01), Carpenter et al.
patent: 3325327 (1967-06-01), Swan
patent: 3536559 (1970-10-01), Pelley et al.
patent: 3778327 (1973-12-01), Fairchild
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