B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
117/121, 32/47,
B05C 1/08 (2006.01) B05C 3/12 (2006.01) D06B 1/14 (2006.01) D06B 23/30 (2006.01) D06M 11/00 (2006.01)
Patent
CA 1209862
34 HOT MELT SIZING APPLYING ABSTRACT An apparatus and method effect application of molten size to textile yarns, such as spun yarns. An applicator cylinder is rotatable about a horizon- tal axis and has a number of grooves circumferen- tially formed in its surface, with peaked lands between the grooves, each land making an angle of about 8-12° with respect to a plane bridging the top of an associated groove. A furnisher roll, also rotatable about a horizontal axis, picks up molten size from an open-top trouqh and delivers it to grooves in the rotating applicator cylinder. The surface of the furnisher roll cooperates with that of the applicator cylinder so that sloping areas of the furnisher roll mate with the lands of the applicator cylinder and so that flat areas of the furnisher roll bridge the entrances to the grooves. The furnisher roll may be of polytetrafluoroethylene machined to correspond to the surface of the applicator cylinder, or may have an elastomeric material surface. A cleaning device comprises a pad, which may be a thermoplastic polymeric material capable of lengthy exposure to high temperatures, having a surface corresponding essentially identi- cally to the surface of the applicator cylinder, and mounted so that it is pressed into engagement with the applicator cylinder to remove molten size and contaminants from the grooves of the applicator cylinder. The molten size with contaminants is diverted by the cleaner to a filter, which removes lint from the size and returns it to the trough.
436590
Conklin Delano M.
Hodgin John B.
Illman Walter F.
Bereskin & Parr
Burlington Industries Inc.
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