Title:
WIRE DRAWING DIE
Document Type and Number:
WIPO Patent Application WO/2022/239697
Kind Code:
A1
Abstract:
This wire drawing die comprises: a blank that serves as an abrasion resistant member provided with a die hole for drawing a wire material; and a die case for holding the blank. The blank has a higher thermal conductivity than the die case. The blank has, in the drawing direction, an upstream-side end surface and a downstream-side end surface. The die hole is provided between the upstream-side end surface and the downstream-side end surface. The downstream-side end surface is exposed from the die case.
Inventors:
KURAMOTO KOHEI (JP)
KINOSHITA TAKUYA (JP)
KIMURA KOHICHIROH (JP)
KOBAYASHI YUTAKA (JP)
KINOSHITA TAKUYA (JP)
KIMURA KOHICHIROH (JP)
KOBAYASHI YUTAKA (JP)
Application Number:
PCT/JP2022/019514
Publication Date:
November 17, 2022
Filing Date:
May 02, 2022
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
ALMT CORP (JP)
ALMT CORP (JP)
International Classes:
B21C3/02
Domestic Patent References:
| WO2020004373A1 | 2020-01-02 |
Foreign References:
| JP2017522188A | 2017-08-10 | |||
| JP2019048335A | 2019-03-28 | |||
| JPS5577510U | 1980-05-28 | |||
| JP2019155437A | 2019-09-19 | |||
| JP2021080723A | 2021-05-27 | |||
| JPH09108726A | 1997-04-28 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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