D - Textiles – Paper – 03 – D
Patent
D - Textiles, Paper
03
D
28/1, 139/67
D03D 3/04 (2006.01) D05B 65/00 (2006.01) D06H 5/00 (2006.01)
Patent
CA 1312803
ABSTRACT The invention concerns a thread separator for seaming machines, especially the seaming of dewatering webs, drying webs, felts and so on. The object underlying the invention consists therein to optimize the reliability of the function of the thread separator by configuring their gripper needles such that the singling out of each foremost thread of a row of warp threads of the web is ensured and each piercing and taking with of the following thread is avoided. It is proposed to construct the gripper needles as se- parator needles, providing them with special hooks, of which at least two are located with respect to the up- per side and the lower side of the web stripe related to the row of threads in the same or parallel level op- posite to one another, the tips thereof being directed to the opposing thread surface, respectively. The sepa- rator needles are provided with concave apertures adap- ted to the diameter of the thread which is to be sepa- rated on grasping it. These apertures are configured thus that piercing of the thread to be separated by the tips and catching the following thread are avoided.
561002
Krenkel Bernhard
Vohringer Fritz
Perley-Robertson Hill & Mcdougall Llp
Wis Seaming Equipment Inc.
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