A DEVICE FOR GEOTECHNICAL OR GEOLOGICAL SAMPLING - Patent 0396534

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EP 0 396 534 A1

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(43)	Date of publication:
	14.11.1990 Bulletin 1990/46

(21)	Application number: 87904975.0

(22)	Date of filing: 11.06.1987

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International Patent Classification (IPC):

E21B 23/ 04^{( . )}
E21B 49/ 02^{( . )}

E21B 25/ 02^{( . )}

(86)	International application number:
	PCT/SE1987/000275

(87)	International publication number:
	WO 1988/009863 (15.12.1988 Gazette 1988/27)

(84)	Designated Contracting States:
	DE FR GB NL

(71)	Applicant: INGENJÖRSFIRMAN GEOTECH AB
	S-436 00 Askim (SE)

(72)	Inventors:
	JONELL, Per-Olof S-411 33 Göteborg (SE) ÖRTENDAHL, Peter, Allan S-427 00 Billdal (SE)

(74)	Representative: Ferkinghoff, Claes-Göran, et al
	AWAPATENT AB, Södra Hamngatan 37-41, P.O. Box 11394 S-404 28 Göteborg S-404 28 Göteborg (SE)

(54)	A DEVICE FOR GEOTECHNICAL OR GEOLOGICAL SAMPLING