Method and an apparatus to detect prolonged excessive...

Details Method and an apparatus to detect prolonged excessive... Method and an apparatus to detect prolonged excessive...

G - Physics

01

B

116/66.3

G01B 5/28 (2006.01) B65H 63/028 (2006.01) D06H 1/00 (2006.01) G01L 5/04 (2006.01) G01R 33/12 (2006.01)

Patent

CA 1075095

ABSTRACT A process for measuring yarn uniformity, said process comprising sensing the over-tension of a yarn and indicating said over- tension. An apparatus for said process and particularly one that discriminates from apparent upper tension is also contemplated. The apparatus comprises a yarn sensing arm rotatably mounted and a magnetic means to hold the arm in an upward position. The magnetic force created by said magnetic means on said arm is adjustable end the arm is displace- able from the magnetic field upon a tension greater than a predetermined tension to release the arm from the upward position in case of over- tension. The apparatus is preferably provided with a dampening means (or instance as elastic member) which discriminates from surrounding vibrations.

180815

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