Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1991-06-07
1993-03-02
Gilreath, Stanley N.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 4709, B65H 5122
Patent
active
051902311
ABSTRACT:
A feed device for travelling threads, in particular for bringing them to thread-processing machines such as, for instance, for the introducing of the filling thread into a loom, in which device the thread is fed tangentially to a drum connected with a rotary drive and is removed again from said drum by a draw-off force acting on the other side of the drum, the thread wrapping only around part of the circumference of the drum turning with higher circumferential speed than the thread draw-off speed and being adapted to be brought to the outer surface of the drum in slip entrainment via the draw-off force which is tangential to the drum, in which connection at least two drums which are adjacent to each other with parallel axes are so divided by stationary partition walls that each of the drums forms a plurality of regions, lying one behind the other in the axial direction of the drums, for partial wrapping by the thread in the manner that the thread passes from the region of the one drum to the region of the other drum. In order to optimize the manner of operation of such a feed device, the outer surface of the drum has, in each case, a radially outwardly directed annular collar (R) aligned with the plane of the partition walls (47, 48).
REFERENCES:
patent: 2381643 (1945-08-01), Bruenner
patent: 2471362 (1949-05-01), Vin
patent: 3957218 (1976-05-01), Coats et al.
patent: 4858839 (1989-08-01), Niederer
patent: 4919395 (1990-04-01), Ritter et al.
Farber Martin A.
Gilreath Stanley N.
Societe de Brevets Industriels-Establissement
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