Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1977-07-28
1979-06-26
Woo, Jay H.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
264167, 264275, B29B 300
Patent
active
041593006
ABSTRACT:
A rotatable wheel has cavities formed in the perimeter thereof. Movable coring pins are also mounted on the wheel perimeter and have cam track follower means which ride in stationary cam tracks positioned adjacent the wheel and which move the coring pins in and out of said cavities as said wheel rotates. An extruding means has a nozzle positioned adjacent the wheel perimeter and forces molten plastic into the cavities as they pass thereby with the coring pins inserted therein. The configuration of, and spacing between, the wheel perimeter and the nozzle produces plastic links between the plastic products formed in the cavities to provide a continuous strip of such parts secured to a common carrier, which strip can be wound upon a take-up reel directly from the wheel. Alternatively, movable coring pins positioned radially with respect to said wheel, or at other angles, can be moved in and out of the cavities as the wheel rotates. In other embodiments, rotatable coring pins having threads on one end and gear means on the other can be actuated by stationary gear rack means at predetermined angular positions of the wheel to produce threaded wire nuts and the like.
REFERENCES:
patent: 3196490 (1965-07-01), Erb
patent: 3507010 (1970-04-01), Doleman et al.
patent: 3758657 (1973-09-01), Menzin et al.
AMP Incorporated
Woo Jay H.
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