Apparatus for forming cut arcuate blanks

Details Apparatus for forming cut arcuate blanks Apparatus for forming cut arcuate blanks

1996-09-16

1998-06-09

Wu, David W.

Plastic article or earthenware shaping or treating: apparatus

Press forming means, press reshaping means, or vulcanizing...

425366, 425368, 425404, 2642884, B29C 5506

Patent

active

057629790

ABSTRACT:
An apparatus for continuously stretching a web of thermoplastic sheet into an arcuate form of desired curvature for manufacturing laminated windshields. The apparatus comprises conventional heating rolls, but employs at least two adjustable multispoke pyramids, one hot setting pyramid and one cooling pyramid which are separated by a wall incorporating a folding bar.

REFERENCES:
patent: 3019475 (1962-02-01), Smith
patent: 3696186 (1972-10-01), Stark et al.
patent: 3885899 (1975-05-01), Gurta et al.
patent: 3912440 (1975-10-01), Koss et al.
patent: 3962760 (1976-06-01), Koss et al.
patent: 4554713 (1985-11-01), Chabal
patent: 4882006 (1989-11-01), Seki
patent: 5071601 (1991-12-01), Matsuda

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