Apparatus for manufacturing composite tubular articles

Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With bending – folding – winding – or wrapping means

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Details

156187, 156188, 156189, 156190, 156425, 156580, 1565835, 425373, B65H 8100

Patent

active

056267070

ABSTRACT:
A frame, a drive mechanism for rotating a mandrel, at least two spindles mounted to the frame, a tensioner, and a belt extending between the first and second spindles may be used to roll pre-preg strips or similar sheets of composite materials around the mandrel. The belt travels over the spindles, and the spindles guide the belt through changes in its direction of travel. The mandrel is mounted in the drive mechanism in contact with the belt, which changes its direction of travel around the mandrel. The lower surface of the belt bears against upper portions of the spindles, and the mandrel contacts the upper surface of the belt. As the drive mechanism rotates the mandrel, pre-preg sheets are fed between the mandrel and the belt and are thereby wrapped around the mandrel. The belt presses the pre-preg sheets against the mandrel. The wrapped mandrel may then be removed from the apparatus and cured in any suitable manner known in the art to produce a composite tubular article.

REFERENCES:
patent: 2674557 (1954-04-01), Boggs
patent: 3790403 (1974-02-01), Ribbans, III
patent: 4097626 (1978-06-01), Tennent
patent: 4132579 (1979-01-01), VanAuken
patent: 4889575 (1989-12-01), Roy
patent: 4938824 (1990-07-01), Youngkeit
patent: 4992133 (1991-02-01), Border

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