Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means to cause relative movement between mold and charger
Patent
1975-11-04
1978-03-21
Husar, Francis S.
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With means to cause relative movement between mold and charger
425129R, 425577, B29F 100
Patent
active
040801489
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:
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patent: 2695569 (1954-11-01), Spohr
patent: 3196490 (1965-07-01), Erb
patent: 3439718 (1969-04-01), Wright et al.
patent: 3635612 (1972-01-01), Fortin et al.
patent: 3719446 (1973-03-01), Cleevely
patent: 3752619 (1973-08-01), Menzin et al.
patent: 3856444 (1974-12-01), Saltel
patent: 3945781 (1976-03-01), Doleman
AMP Incorporated
Briggs William R.
Husar Francis S.
Phillion Donald W.
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