Skirt forming member for vacuum-forming systems

Details Skirt forming member for vacuum-forming systems Skirt forming member for vacuum-forming systems

2006-03-28

2006-03-28

Smith, Duane (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

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

Shaping surfaces per se

C249S159000, C425S384000

Reexamination Certificate

active

07018196

ABSTRACT:
A customizable skirt-forming member is disclosed, for use in high stress acrylic tub formation operations. The member generally has a rigid forming wall, at least one adjustable wing hingeably associated with the forming wall, and means for altering the pitch of the at least one wing, relative to the sidewall, so as to simultaneously alter a hinge angle therebetween. The member allows for customized, angled formed front tubs to be formed, while ensuring that the stresses of system operation do not alter the intended angles.A toggle-nut structure is additionally disclosed, which ensures the maintenance of the relative positions of the angled walls of the skirt-forming member.

REFERENCES:
patent: 3874203 (1975-04-01), Bookout
patent: 4465453 (1984-08-01), Turner et al.
patent: 4557684 (1985-12-01), Romine et al.
patent: 4729541 (1988-03-01), Maier
patent: 4744848 (1988-05-01), Andrews et al.
patent: 5468139 (1995-11-01), Stender
Webster's Ninth New Collegiate Dictionary, 1985, Merriam-Webster, p. 298.

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