PORTABLE APPARATUS FOR GRINDING TWO SIDE EDGES

WIPO Patent Application WO/2011/062359

A3

The present invention relates to an apparatus which performs a surface-grinding process such as chamfering on edges of a workpiece, which uses an air motor to automatically travel and perform a grinding process, which enables both sides of the workpiece to be simultaneously grinded, which can travel on a variety of work planes such as a vertical plane, an overhead, a curvature, a manhole, etc., and which can grind a variety of members such as a manhole, a flat-bar, a T-bar, an angle, etc. The apparatus of the present invention can be precisely and conveniently used by a worker, prevents differences in the quality of grinded products which might otherwise occur depending on the skill levels of workers, and prevents workers from musculoskeletal disorders even over a long period of working.

JPS5844975	[Title of the device] The cutter of an edge preparation device
JP4639313	Fluororesin coated plate and adsorption stage

KIM EUN-TAE (KR)
LEE DONG-HOON (KR)
KIM HO-KYEONG (KR)
KIM EUN-YOUNG (KR)
CHOI MYEUNG-GOOK (KR)

PCT/KR2010/006242

July 14, 2011

September 13, 2010

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STX OFFSHORE & SHIPBUILDING CO (KR)
KIM EUN-TAE (KR)
LEE DONG-HOON (KR)
KIM HO-KYEONG (KR)
KIM EUN-YOUNG (KR)
CHOI MYEUNG-GOOK (KR)

B23C3/12; B24B9/00; B24B23/02; B63B9/06

KR20050090174A	2005-09-13
KR100819335B1	2008-04-03
KR19990068578A	1999-09-06
US4372714A	1983-02-08

SHIN, Dong-Gee (175-8Jamsil-dong, Songpa-gu, Seoul 138-220, KR)

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