Title:
INSERT MEMBER AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
Japanese Patent JP2017192965
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an insert member in which a core inserted when casting a cast part can be easily pulled out, and a method for manufacturing the insert member.SOLUTION: An interior of a pipe part 25 on one end side is covered thereby forming an inner cover part 37. When casting a cast part 26, the inner cover part 37 is interposed between an inner surface of the pipe part 25 on one end side and an outer surface of an inserted core on a tip side, and consequently, it can be suppressed that the pipe part bites to the core, which is inserted in the pipe part, by reduction of the pipe part 25 due to mold shrinkage of the cast part 26. A recess 38 side of the inner cover part 37 has a taper surface 39 which is gradually enlarged from one end side toward the other end side of the pipe part 25. Consequently, after molding the cast part 26, the taper surface 39 on the recess 38 side of the inner cover part 37, which contacts the tip side of the core, is gradually enlarged in a direction opposite of an insertion direction of the core, and therefore, the core can be easily pulled out after molding the cast part 26.SELECTED DRAWING: Figure 1
Inventors:
NAKAJIMA HISASHI
ONUMA TAKANORI
MARUYAMA TOMOYA
SAITO TOMOARI
NAKAMURA TATSUHIKO
ONUMA TAKANORI
MARUYAMA TOMOYA
SAITO TOMOARI
NAKAMURA TATSUHIKO
Application Number:
JP2016084796A
Publication Date:
October 26, 2017
Filing Date:
April 20, 2016
Export Citation:
Assignee:
HONDA MOTOR CO LTD
NIHON PLAST CO LTD
NIHON PLAST CO LTD
International Classes:
B22D19/00
Attorney, Agent or Firm:
樺澤 襄
Satoshi Kabazawa
Tetsuya Yamada
Satoshi Kabazawa
Tetsuya Yamada