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Title:
METHOD OF MANUFACTURING CYLINDER BLOCK, AND CYLINDER BLOCK
Document Type and Number:
Japanese Patent JP2013044359
Kind Code:
A
Abstract:

To perform impregnation treatment even to a cylinder block including a sprayed coating which has failed in a leak test.

Pores 7 each functioning as a lubricant reservoir are formed in a sprayed coating 5 previously formed on the inner surface of a cylinder bore 3 of the cylinder block 1. A leak test is executed to the cylinder block 1 as a liquid leakage check of a cooling water path or a lubricant path in a state that the pores 7 are formed, and when failing in the leak test, impregnation treatment is performed to defective pores causing liquid leakage to be closed with a resin. Then, the resin used in the impregnation treatment enters the pores 7, but the permeation resin 18 having entered the pores 7 is heated by a heat source 19, and melted and removed.


Inventors:
Sugiyama, Seiichi
Taniguchi, Kazuaki
Watanabe, Takafumi
Miwa, Hirotaka
Hayashi, Mitsuo
Terada, Daisuke
Shiotani, Eiji
Noshi, Ryoji
Miyamoto, Yoshiaki
Application Number:
JP2011000181370
Publication Date:
March 04, 2013
Filing Date:
August 23, 2011
Export Citation:
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Assignee:
NISSAN MOTOR CO LTD
International Classes:
F16J10/04; C23C4/18; F02F1/00; F16J10/00
Domestic Patent References:
JPS6462453A1989-03-08
JP2002283037A2002-10-02
JPS63195255A1988-08-12
JPH05322689A1993-12-07
Attorney, Agent or Firm:
三好 秀和
岩▲崎▼ 幸邦
伊藤 正和
高橋 俊一
高松 俊雄