Mandrel for filament winding of plastic articles

Details Mandrel for filament winding of plastic articles Mandrel for filament winding of plastic articles

1981-11-09

1983-05-24

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Longitudinally progressive helical winding means

B65H 8100

Patent

active

043849130

ABSTRACT:
Resin-coated filaments wound around a mandrel to make a plastic pipe or fittings. In making a fitting with a nonlinear axis, the mandrel is supported with one end adjacent a winding station and rotated about an axis substantially tangent to the nonlinear axis at the winding station. The rotating mandrel oscillates back and forth past the winding station while maintaining the nonlinear axis substantially tangent to the axis of rotation. Resin-coated filaments pass between longitudinally spaced and curved guide fingers and are wrapped around the rotating mandrel in overlapping helical patterns as it moves back and forth past the winding station. The mandrel is removed from the fitting after the resin has cured.

REFERENCES:
patent: 2788836 (1957-04-01), Trevaskis et al.
patent: 2901190 (1959-08-01), Wentz
patent: 3112234 (1963-11-01), Krupp
patent: 3201298 (1965-08-01), Baker et al.
patent: 3308001 (1967-03-01), Angrave
patent: 3363849 (1968-01-01), McLarty
patent: 3397847 (1968-08-01), Thaden
patent: 3552665 (1971-01-01), Kelly
patent: 3765979 (1973-10-01), Thomas
patent: 3804687 (1974-04-01), Peterson
patent: 3963185 (1976-06-01), Quirk
patent: 4089727 (1978-05-01), McLain
"Filament Winding Machine for High Pressure Pipe Elbows," Reinforced Plastics, May 1967, p. 268.

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