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Title:
METHOD FOR MANUFACTURING METAL EYEGLASS FRAME AND METAL EYEGLASS FRAME MANUFACTURED BY SAME MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2017/222154
Kind Code:
A2
Abstract:
A method for manufacturing a metal eyeglass frame according to the present invention comprises: a front portion material extrusion step for continuously extruding, by an extruder, a metal material prepared for manufacturing a front portion of a metal eyeglass frame, to manufacture a front portion material; and a cutting step for cutting the front portion material into a shape of an eyeglass frame front to form a front portion preform, wherein when the front portion material is continuously extruded by the extruder, the extruded cross section of the front portion material has a curve corresponding to a curve extending along one side rim portion-bridge portion-the other side rim portion of the front portion preform in view from the above or below of the front portion preform.

Inventors:
BAE, Yoonsoo (45-18, Wolgok-ro 47-gilDalseo-gu, Daegu, 42791, KR)
Application Number:
KR2017/003709
Publication Date:
December 28, 2017
Filing Date:
April 05, 2017
Export Citation:
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Assignee:
BAE, Yoonsoo (45-18, Wolgok-ro 47-gilDalseo-gu, Daegu, 42791, KR)
International Classes:
B23P15/00; B21C23/06; B21D28/26; B23K26/38; B23P17/02; B23Q3/06; B24B9/04; G02C5/00
Attorney, Agent or Firm:
MIN, Byungjun (TAESAN Patent & Law Firm, 4Fl. Shindo Bldg., 11-4, Teheran-ro 8-gi, Gangnam-gu Seoul, 06234, KR)
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