HYDRAULIC JACK HAMMER, FOR EXAMPLE FOR MARINE SAMPLING - Patent 0642625

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EP 0 642 625 A1

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(43)	Date of publication:
	15.03.1995 Bulletin 1995/11

(21)	Application number: 94912100.0

(22)	Date of filing: 25.03.1994

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International Patent Classification (IPC):

B25D 9/ 14^{( . )}

E21B 25/ 18^{( . )}

(86)	International application number:
	PCT/NO1994/000067

(87)	International publication number:
	WO 1994/023181 (13.10.1994 Gazette 1994/23)

(84)	Designated Contracting States:
	DE FR GB IT NL SE

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Priority:

26.03.1993 NO 19930001157

(71)	Applicant: SELANTIC INDUSTRIER A/S
	N-5363 Agotnes (NO)

(72)	Inventor:
	REE, Sigurd N-5073 Skalevikneset (NO)

(74)	Representative: Cheyne, John Robert Alexander Mackenzie
	HASELTINE LAKE & CO. Hazlitt House 28, Southampton Buildings Chancery Lane London WC2A 1AT London WC2A 1AT (GB)

(54)	HYDRAULIC JACK HAMMER, FOR EXAMPLE FOR MARINE SAMPLING