Title:
CERAMIC NOZZLE AND WINDING MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/158730
Kind Code:
A1
Abstract:
This ceramic nozzle comprises a through-hole for guiding a wire, the through-hole being provided along the axial direction. The ceramic nozzle is such that a cut level difference (Rδc) in a roughness curve of the inner peripheral surface forming the through-hole is 1.6 μm or less, where the cut level difference (Rδc) represents the difference between a cut level at a load length ratio of 25% in the roughness curve and a cut level at a load length ratio of 75% in the roughness curve.
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| JP2002179337 | WIRE WINDING DEVICE |
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Inventors:
OTA SHOICHI (JP)
Application Number:
PCT/JP2020/002973
Publication Date:
August 06, 2020
Filing Date:
January 28, 2020
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
B65H54/30; B65H57/12; H01F41/082
Domestic Patent References:
| WO2017057469A1 | 2017-04-06 |
Foreign References:
| JPS62180878A | 1987-08-08 | |||
| JP2017178665A | 2017-10-05 |
Attorney, Agent or Firm:
BUNA PATENT ATTORNEYS (JP)
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