AUTOMATIC WELDING DEVICE USING RADIATION HEAT SOURCE FOR MANUFACTURING CUTTING TOOL AND AUTOMATIC WELDING METHOD THEREOF - Patent 1487606

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EP 1 487 606 A1

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(43)	Date of publication:
	22.12.2004 Bulletin 2004/52

(21)	Application number: 02708815.2

(22)	Date of filing: 28.03.2002

(51)	International Patent Classification (IPC)⁷: B23K 37/00

(86)	International application number:
	PCT/KR2002/000547

(87)	International publication number:
	WO 2003/082513 (09.10.2003 Gazette 2003/41)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

(71)	Applicant: Precision Diamond Co., Ltd.
	Asan-shi,336-795 Chungcheongnam-do (KR)

(72)	Inventor:
	CHAE, Ki-Woong Cheonan-shi,Chungcheongnam-do 330-260 (KR)

(74)	Representative: Needle, Jacqueline
	W.H. BECK, GREENER & CO7 Stone BuildingsLincoln's Inn London WC2A 3SZ London WC2A 3SZ (GB)

(54)	AUTOMATIC WELDING DEVICE USING RADIATION HEAT SOURCE FOR MANUFACTURING CUTTING TOOL AND AUTOMATIC WELDING METHOD THEREOF