Preform handling apparatus

Details Preform handling apparatus Preform handling apparatus

1985-11-22

1987-09-15

Reeves, Robert B.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Traveling item turned to predetermined position

65111, 65158, 209532, 209619, 425534, B07C 502, C03B 2304

Patent

active

046933751

ABSTRACT:
There is disclosed a preform handling apparatus for orienting and testing a plurality of preforms. The preform handling apparatus of this invention comprises an orienter, an inverter and a tester. The orienter of the preform handling apparatus comprises a base driving mechanism, a rotatable circular disc carried by the base driving mechanism and a retaining wall which extends substantially around the circumference of the disc. An inverter of the present invention comprises two juxtaposed semicircular plates adapted to receive a preform in an upright position and to rotate the preform 180.degree. such that the preform is discharged from the inverter in an inverted position. A tester of the present invention comprises a hub subassembly and a star wheel subassembly for moving preforms along an arcuate path and further comprises a gage subassembly, a cam and a bridge subassembly for detecting defective preforms and preventing defective preforms from being processed into a final product.

REFERENCES:
patent: 1771097 (1930-07-01), Raule
patent: 2596342 (1952-05-01), McNutt et al.
patent: 2734627 (1956-02-01), Shields
patent: 3250388 (1966-05-01), Eggers
patent: 3378138 (1968-04-01), Brown
patent: 4141711 (1979-02-01), Zabor
patent: 4255179 (1981-03-01), Foster
patent: 4349368 (1982-09-01), Hullen et al.

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