Manufacturing process and straightening jig for hollow tapered r

Details Manufacturing process and straightening jig for hollow tapered r Manufacturing process and straightening jig for hollow tapered r

1978-06-06

1979-07-10

Hoag, W. E.

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

100211, 100295, 249114R, 425470, 425DIG44, B29C 1702, B29C 2500

Patent

active

041606396

ABSTRACT:
Manufacturing process and straightening jig for a hollow tapered rod characterized in that in mid-process of curing the resin in a fiber-reinforced resin-impregnated sheet wound around a mandrel, the mandrel is pulled out of the wound sheet in a semi-cured state or the mandrel is pulled out and again thrust into the wound sheet; then the wound sheet with the mandrel pulled out or the wound sheet with the mandrel reinserted is placed on a straightening jig and left there until the curing is completed.

REFERENCES:
patent: 306701 (1884-10-01), Spitzenberg
patent: 665989 (1901-01-01), Bechtold
patent: 1323039 (1919-11-01), Frederick
patent: 2377335 (1945-06-01), Finlayson et al.
patent: 2684318 (1954-07-01), Meek
patent: 3173974 (1965-03-01), Mohr
patent: 3896206 (1975-07-01), Beaver et al.

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