Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Yarn winding method and apparatus










Image Number 11 for United States Patent #4166586.

A yarn winding method is disclosed where at the step of winding yarn on bobbin, at changing a full bobbin to an empty bobbin, a running yarn is wound on an auxiliary winding roller provided separately from the bobbin, travelling of the yarn and rotation of the auxiliary winding roller are then stopped, a full bobbin is exchanged by an empty bobbin, a part of the yarn wound on the auxiliary winding roller is then taken out to form a thread line for setting the yarn to the empty bobbin, travelling of the yarn, rotation of the auxiliary roller and rotation of the empty bobbin are then started, the yarn-setting thread line is shifted toward the side of the empty bobbin to wind the running yarn onto the empty bobbin, and the normal winding operation on the empty bobbin is then started. Also an apparatus for practicing this yarn winding method is disclosed.








 
 
  Recently Added Patents
Image forming apparatus with static elimination
Interleaving charge pumps for programmable memories
Organizer
Potential separation for filling level radar
Drive and startup for a switched capacitor divider
Method for producing purified influenza virus antigen
Placental tissue grafts
  Randomly Featured Patents
Acceleration pump for a carburetor
Method of cryogenic stretch blow molding
Conveyor belt wiper system
Antireflective layer, antireflective film and image display unit
Wireless strain sensors, detection methods, and systems
Implement mounting fixture
Balancing arrangement for hollow drive shafts
Tool holder
Power distribution system with rack power distribution unit
Methods of completing wells in unconsolidated subterranean zones