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.
JPS6093162 | SLIDABLE MEMBER |
JPS618446 | CYLINDER BLOCK IN INTERNAL COMBUSTION ENGINE |
JP2006075925 | METHOD OF MACHINING INNER PERIPHERAL SURFACE OF CIRCULAR HOLE |
TANIGUCHI KAZUAKI
WATANABE TAKAFUMI
MIWA HIROTAKA
HAYASHI MITSUO
TERADA DAISUKE
SHIOTANI EIJI
NOSHI RYOJI
MIYAMOTO YOSHIAKI
JPS6462453A | 1989-03-08 | |||
JP2002283037A | 2002-10-02 | |||
JPS63195255A | 1988-08-12 | |||
JPH05322689A | 1993-12-07 |
Iwa Saki Kokuni
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu
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