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Patent Searching and Data


Title:
METHOD FOR MANUFACTURING HOLLOW ARTICLE
Document Type and Number:
WIPO Patent Application WO/2017/179962
Kind Code:
A1
Abstract:
A method for manufacturing a hollow article is disclosed. The method for manufacturing a hollow article comprises: filling a supporting material into a steel pipe so that the steel pipe can endure a melt pressure during the molding of the article; inserting the steel pipe filled with the supporting material into a cavity within a mold for forming the shape of the article; injecting a melt into the cavity within the mold and molding a molded article that surrounds the outer peripheral surface of the steel pipe; and removing the supporting material from the inside of the steel pipe after finishing the molding of the article. Accordingly, it is possible to manufacture a hollow article with a high yield on the basis of the steel pipe and the supporting material.

Inventors:
YOO JINHO (KR)
Application Number:
PCT/KR2017/004119
Publication Date:
October 19, 2017
Filing Date:
April 17, 2017
Export Citation:
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Assignee:
MH TECH INC (KR)
International Classes:
B22D19/00; B22D21/04; B22D29/00; H01M10/6556
Foreign References:
KR100214704B11999-08-02
KR20050063753A2005-06-28
KR20110085805A2011-07-27
JP2005095913A2005-04-14
KR100685864B12007-02-22
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
인비전 특허법인 (KR)
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