B - Operations – Transporting – 21 – F
Patent
B - Operations, Transporting
21
F
26/172
B21F 45/16 (2006.01) A44B 19/42 (2006.01) B29D 5/06 (2006.01)
Patent
CA 1093798
ABSTRACT OF THE DISCLOSURE Improvements in apparatus of the type including a man- drel around which a continuous filament is coiled and which has a guide channel formed longitudinally therein for slidably re- ceiving a continuous core to be positioned within the coil, and a mandrel holder holding the mandrel adjacent one end thereof and reciprocating with the latter in the longitudinal direction there- of in step with the formation of each convolution of the coil. A unit length of the core required for each coil convolution is forcibly pulled away from a core payoff bobbin by a pair of pull- out rolls actuated intermittently by a ratchet mechanism. The mandrel holder has formed therein passageways through which the core travels from the pullout roll pair to the entrance end of the guide channel in the mandrel. The passageways are adapted to provide several obtuse-angled bends for holding the core in frictional contact with the mandrel holder, so that the succes- sive unit core lengths are delivered without tension to the guide channel in the mandrel with the reciprocation of the mandrel holder. - 14 -
318282
Gowling Lafleur Henderson Llp
Yoshida Kogyo K.k.
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