Delivering roving for fabrication of plastic pipe

Details Delivering roving for fabrication of plastic pipe Delivering roving for fabrication of plastic pipe

1978-04-27

1981-03-03

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156425, 242 722, 2421571, B65H 8100

Patent

active

042538947

ABSTRACT:
Plastic pipe reinforced with rovings is produced by wetting the rovings with liquid resin and winding the wetted rovings onto a rotating mandrel from a carriage that moves to and fro along the length of the mandrel. The rovings are drawn onto the mandrel over a concavely arched surface mounted on the carriage. As the carriage reverses its direction at each end of the mandrel, the tilt of the concavely arched surface with respect to the carriage also reverses so the rovings always pass over the same section of the concavely arched surface. Apparatus for practicing this process is described.

REFERENCES:
patent: 3025205 (1962-03-01), Young
patent: 3146962 (1964-09-01), Hardwick
patent: 3363849 (1968-01-01), McLarty
patent: 3492187 (1970-01-01), Hirtzen
patent: 3499815 (1970-03-01), Hof
patent: 3519520 (1970-12-01), Newman, Jr.
patent: 3616063 (1971-10-01), Bradley

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