Winding – tensioning – or guiding – Wound storage package
Patent
1989-05-11
1991-01-29
Gilreath, Stanley N.
Winding, tensioning, or guiding
Wound storage package
242117, B65H 5500, B65H 7518
Patent
active
049880551
ABSTRACT:
A coil assembly including a coil of material having a square or hexagonal cross section wound on a bobbin. On the coil winding surface are a plurality of first mutually parallel grooves which have a V-notch cross section and are so arranged that the centers of adjacent grooves are separated from each other by a distance of about P which is the width of said grooves. The coil winding surface also has a plurality of second mutually parallel grooves which have a V-notch cross section and are so arranged that the centers of adjacent grooves are also separated from each other by the distance P. Each of the first grooves is off-set from the corresponding second groove in the axial direction by the distance of about P/2 or less. A pair of intermediate sections with oblique grooves having a predetermined length in the circumferential direction are provided between the respective ends of the first and second grooves.
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Hayashi Mithuyuki
Sakai Masahiko
Taniguchi Toshihisa
Gilreath Stanley N.
Nippondenso Co. Ltd.
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