Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR PREPARING SEALING SLEEVE
Document Type and Number:
WIPO Patent Application WO/2017/179811
Kind Code:
A1
Abstract:
An embodiment of the present invention, in a method for preparing a sealing sleeve, comprises: a preparation step for preparing a metal powder body comprising a molding lubricant and metal powder comprising iron; a molding step for charging the metal powder body into a mold, applying pressure to the metal powder body and thus molding same into a green compact; a sintering step for sintering the green compact and thus forming a sintered compact; a fixing step for applying pressure to the inner side of the sintered compact, forming a predetermined curvature with respect to the inside diameter of a housing, and preparing a fixed compact; an impregnating step for resin-impregnating the fixed compact and thus sealing the micropores of the fixed compact; and a plating step for plating the fixed compact for which resin-impregnation has been performed and thus completing a sealing sleeve.

Inventors:
BAE CHANG HWAN (KR)
JUN YONG JIN (KR)
LEE JONG CHEOL (KR)
HWANG KWON UNG (KR)
Application Number:
KR2017/001842
Publication Date:
October 19, 2017
Filing Date:
February 20, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HANATECH CO (KR)
International Classes:
B22F5/10; B22F3/12; B22F3/24; B22F3/26; B23P15/00; C22C38/42; F16L9/02
Foreign References:
JP2010091001A2010-04-22
JP2010007721A2010-01-14
KR200404467Y12005-12-23
JP2000055049A2000-02-22
JP2003287028A2003-10-10
Attorney, Agent or Firm:
HAN, SANG SOO (KR)
한상수 (KR)
Download PDF: