Multiple package thread transfer alignment guide system

Details Multiple package thread transfer alignment guide system Multiple package thread transfer alignment guide system

1981-02-24

1983-08-02

Christian, Leonard D.

Winding, tensioning, or guiding

Support for a strand material holder

For bobbins

242157R, B65H 4902, D03J 508

Patent

active

043961681

ABSTRACT:
A multiple package thread transfer alignment guide system for continuously feeding thread from multiple supply sources to a processing location under controlled tension conditions is disclosed. A thread transfer alignment guide device, including first and second eyelet openings interconnected by a tortuous path, is positioned in close proximity to the generally horizontally mounted supply packages and aligns the thread to enter a trumpet guide. Each eyelet opening is substantially aligned with the longitudinal feed axis of a corresponding supply package. The tortuous path means includes first and second rod portions spaced apart from each other and in overlapping relation to define a path inlet opening communicating with each of the eyelets. When the thread transfer is to occur from the first eyelet opening to the second eyelet opening, a momentary loss of balloon thread tension is experienced, together with a growing effect of tension along the new thread path vector angle. This change in thread tension allows the thread to enter the tortuous path from the first eyelet opening, traverse the tortuous path and enter the second eyelet opening for continuous feed. With this device, thread tension of approximately 7 to 9 grams is maintained resulting in less thread breakage and minimal loss of production time.

REFERENCES:
patent: 2370731 (1945-03-01), Jackson
patent: 2437539 (1948-03-01), King
patent: 2460366 (1949-02-01), Seeman
patent: 2842323 (1958-07-01), Rayburn
patent: 3307805 (1967-03-01), Verbeek
patent: 3428269 (1969-02-01), Horwood et al.
patent: 3821543 (1974-06-01), Gelin et al.
patent: 4114829 (1978-09-01), Boehler

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