Title:
YARN MONITOR FOR SPUN YARN WINDER
Document Type and Number:
Japanese Patent JP3008868
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To simplify a device and prevent an increase in bent parts of yarn and a lowering of yarn quality by providing a sensor for detecting the fluctuation of traverse fulcrum guides caused by the traverse motion of yarn.
SOLUTION: In cape of filament yarn 1 being in normal traverse motion without yarn breakage by a traverse motion 6, electric signals showing regular fluctuation are generated in a constant cycle, but when any one of filament yarn 1 inserted through traverse fulcrum guides 5 disposed at specified spaces along the longitudinal direction of a fixed frame is cut, a constant electric signal is generated from the traverse fulcrum guide 5 with the filament yarn 1 cut, that is, fluctuation is no longer detected. When a quality monitor 11 judges that fluctuation is not detected for the specified time, all the filament yarn 1 is cut to stop winding by a command from a control device.
Inventors:
Hiroshi Okimura
Nishiyama Toshikazu
Nishiyama Toshikazu
Application Number:
JP32795196A
Publication Date:
February 14, 2000
Filing Date:
November 22, 1996
Export Citation:
Assignee:
Murata Machinery Co., Ltd.
International Classes:
B65H63/02; B65H63/04; (IPC1-7): B65H63/02; B65H63/04
Domestic Patent References:
| JP63306167A | ||||
| JP50138140A | ||||
| JP1231769A | ||||
| JP589470U |
Attorney, Agent or Firm:
Tamotsu Hirai