Detector and recorder of holes and disruptions in plastic materi

Details Detector and recorder of holes and disruptions in plastic materi Detector and recorder of holes and disruptions in plastic materi

1978-05-15

1980-10-21

Thesz, Joseph M.

Registers

Platform operated

Platform actuated traffic counters

73159, 235 92SB, 235 92PK, 235 92DN, G06M 700

Patent

active

042296455

ABSTRACT:
A device is disclosed for continuously counting up the pinholes and the rips (continuous disruptions) in a film or web of plastic materials, said device having a gating circuit which is capable of distinguishing the pinholes from the rips thus giving a more reliable indication than was possible with the conventional devices also based on detection of electric discharges.

REFERENCES:
patent: 3571574 (1971-03-01), Gerber
patent: 3729619 (1973-04-01), Laycak et al.
patent: 3778802 (1973-12-01), Wallace
patent: 3983371 (1976-09-01), Siranni et al.

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