Manufacturing corrugated perforated plastic tubes

Details Manufacturing corrugated perforated plastic tubes Manufacturing corrugated perforated plastic tubes

1975-11-25

1977-10-25

Yost, Frank T.

Cutting

Cutting motion of tool has component in direction of moving...

Tool flies by engagement with the work

83 54, 83444, 83660, B26F 118

Patent

active

040550982

ABSTRACT:
A device for manufacturing corrugated plastic tube by subjecting an internally unsupported corrugated plastic tube, at a temperature between 30.degree. and 70.degree. C, to the simultaneous action of at least two punching members in one or in two corrugations.
A device comprising a guide for corrugated plastic tube, and punching means with an operating member for simultaneously acting upon at least two punching members spaced a short distance from each other.

REFERENCES:
patent: 3620115 (1971-11-01), Zieg et al.
patent: 3759123 (1973-09-01), Van Zon
patent: 3824886 (1974-07-01), Hegler
patent: 3831470 (1974-08-01), Maroschak
patent: 3901113 (1975-08-01), Oltmanns
patent: 3910713 (1975-10-01), Maroschak

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