Container rollback detector and coating apparatus

Details Container rollback detector and coating apparatus Container rollback detector and coating apparatus

1976-12-02

1978-06-06

McIntosh, John P.

Coating apparatus

With vacuum or fluid pressure chamber

101 40, 118230, 118232, 209 80, B05C 102, B05C 1302

Patent

active

040929493

ABSTRACT:
Apparatus for causing drawn and ironed cans having rolled-back edges to be detected as faulty and discharged by state-of-the-art can transfer and coating systems. An arcuate shoe is disposed so as to frictionally engage, and cause the rotation of, can-receiving mandrels. A rigid, arcuate arm is disposed adjacent the path of the mandrels, far enough away to allow acceptable cans to slide over the mandrels but close enough to prevent cans having rolled-back edges from doing so. The cans which are prevented from fully seating upon the mandrels are then discharged from the mandrels by air pressure.

REFERENCES:
patent: 2272073 (1942-02-01), Von Sydow et al.
patent: 2369871 (1945-02-01), Trollen
patent: 3996851 (1976-12-01), Urban

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