Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Reshaping running or indefinite-length work
Patent
1986-12-09
1988-11-22
Derrington, James
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Reshaping running or indefinite-length work
264291, 264292, 264295, 264313, 249155, 425383, 425DIG44, 425392, B29C 5300
Patent
active
047864567
ABSTRACT:
A mold for synthetic resin products which are to be shaped while soft, includes a pair of elongated mold parts each having opposed complementary faces with contours at least partially conforming to at least parts of the product to be shaped. A support means on which the mold parts are mounted provide for moving at least one of the mold parts relative to the other mold part to effect removal therefrom of a finished product. The mold parts are constructed and arranged so as to be bendable along their longitudinal axes to effect a change in arcuate configuration, the mold parts being made of a material which facilitates sliding of the synthetic resin product through the mold, the support means supporting the mold parts in fixed spaced apart disposition as the product is moved longitudinally between the mold parts to thereby impart to the product an arcuate configuration corresponding to the arcuate configuration of the mold parts.
REFERENCES:
patent: 2739350 (1956-03-01), Lampman
patent: 3020587 (1962-02-01), Alderfer et al.
patent: 3562860 (1971-02-01), Rottner et al.
patent: 3635642 (1972-01-01), Mueller
Derrington James
Maschinen Witte KG
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