Title:
HIGH-STRENGTH BEAD WIRE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/083121
Kind Code:
A1
Abstract:
The present invention relates to a high-strength bead wire, and a manufacturing method therefor. The high-strength bead wire preparation method comprises: a step of preparing a wire rod comprising 0.86-1.02 wt% of carbon; a film coating step of coating a phosphate film of 5-10 g/m2 on the surface of the wire rod; and a drawing step of drawing the wire rod on which the phosphate film is coated, wherein: the wire rod is drawn in the drawing step by a drawing apparatus, which comprises a drawing dice capable of drawing the wire rod and a pressure dice provided in front of the drawing dice and capable of applying pressure to the wire rod; the pressure dice is formed so as to have a diameter 1.05-1.2 times the diameter of the drawing dice; and the high-strength bead wire comprises a wire rod comprising 0.86-1.02 wt% of carbon and a phosphate film of 5-10 g/m2 coated on the surface of the wire rod, and is manufactured by the manufactured method.
Inventors:
PARK OK SHIL (KR)
PARK DONG JIN (KR)
PARK DONG JIN (KR)
Application Number:
PCT/KR2018/007673
Publication Date:
May 02, 2019
Filing Date:
July 06, 2018
Export Citation:
Assignee:
HONGDUK IND CO LTD (KR)
International Classes:
B21C1/16; B05D5/00; B29D30/48; C10M105/74; C22C38/02; C22C38/04; C22C38/18
Foreign References:
| JP2005054260A | 2005-03-03 | |||
| JPH06106226A | 1994-04-19 | |||
| KR20080108401A | 2008-12-15 | |||
| KR200221338Y1 | 2001-04-16 | |||
| JP2006187789A | 2006-07-20 |
Other References:
See also references of EP 3646959A4
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
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