Controllable thread extractor device with an air passage connect

Advancing material of indeterminate length – Threading device

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Details

226 97, 251 65, B65H 5116

Patent

active

042588723

ABSTRACT:
The present invention relates to a controllable thread extractor with an air passage connected to a vacuum source which includes a shaft passageway perpendicular to the air passage dividing the air passage into two sections, a ball is received in the shaft and means for actuating the ball to selectively open and close the air passage.

REFERENCES:
patent: 2576168 (1951-11-01), Allen
patent: 3212539 (1965-10-01), Felix
patent: 3212751 (1965-10-01), Hassa
patent: 3688957 (1972-09-01), Beddoe
patent: 4018419 (1977-04-01), Monpetit
patent: 4083171 (1978-04-01), Konig et al.

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