Patent details

EN | LT

LT - DRESSING METHOD AND DRESSING APPARATUS FOR BARREL WORM-SHAPED TOOL, AND INTERNAL GEAR GRINDING MACHINE

EN - DRESSING METHOD AND DRESSING APPARATUS FOR BARREL WORM-SHAPED TOOL, AND INTERNAL GEAR GRINDING MACHINE

Legal status

Patent not validated

Bibliographic data

Indications of the International Patent Classification (IPC)
(51)	INT.CL.	B24B 53/085
		B23F 23/12

European patent
(11)	Number of the document	2177316
(13)	Kind of document	T
(96)	European patent application number	08827599.5
	Date of filing the European patent application	2008-08-12
(97)	Date of publication of the European application	2010-04-21
(45)	Date of publication and mention of the grant of the patent	2014-01-01
(46)	Date of publication of the claims translation

PCT application
(86)	Number	PCT/JP2008/064440
	Date	2008-08-12

PCT application publication
(87)	Number	WO 2009/025198
	Date	2009-02-26

Priority applications
(30)	Number	Date	Country code
	2007212607	2007-08-17	JP

Inventors
(72)	YANASE, Yoshikoto, JP OCHI, Masashi, JP GUNBARA, Hiroshi, JP

Grantee
(73)	Mitsubishi Heavy Industries, Ltd., 16-5, Konan 2-chome Minato-ku, Tokyo 108-8215, JP

Title
(54)	DRESSING METHOD AND DRESSING APPARATUS FOR BARREL WORM-SHAPED TOOL, AND INTERNAL GEAR GRINDING MACHINE
	DRESSING METHOD AND DRESSING APPARATUS FOR BARREL WORM-SHAPED TOOL, AND INTERNAL GEAR GRINDING MACHINE