Advancing material of indeterminate length – Threading device – With means to pull lead-end
Patent
1978-02-28
1979-10-02
Gorenstein, Charles
Advancing material of indeterminate length
Threading device
With means to pull lead-end
57 1R, G03B 156
Patent
active
041695518
ABSTRACT:
An apparatus is disclosed for threading one of several generally parallel strands through an operation through which the strands travel. The apparatus is designed to thread a broken strand using the movement of strands adjacent to this strand. The apparatus is also designed to reduce the downtime for the adjacent strands which are employed to pull and guide the broken strand through the rethreading operation. The apparatus is designed to allow for strand guide stabilization through the rethreading operation to allow the strands and guide to pass through the system easily and without placement errors in strand threading positioning. The apparatus includes a means for holding the broken strand, a means for releasably maintaining an adjacent guide strand within the apparatus and a means for releasably grasping the moving pull strand. The apparatus is designed to be threaded while the pull strand and guide strand remain in motion and to allow the guide strand to be removed from the apparatus without stopping this moving strand. This substantially reduces the downtime of adjacent strands in rethreading a broken strand.
REFERENCES:
patent: 3732678 (1973-05-01), Beery, Jr.
patent: 3810568 (1974-05-01), Kwiaikowski et al.
patent: 4002013 (1977-01-01), Johnson et al.
patent: 4065042 (1977-12-01), Zielinski
Curley John E.
Gorenstein Charles
McDonald Alan T.
PPG Industries Inc.
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