APPARATUS AND METHODS FOR CUTTING SOIL AND IN SITU CONSTRUCTION OF SUBSURFACE CONTAINMENT BARRIERS - Patent 0546154

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EP 0 546 154 A1

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(43)	Date of publication:
	16.06.1993 Bulletin 1993/24

(21)	Application number: 92914604.0

(22)	Date of filing: 22.06.1992

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International Patent Classification (IPC):

E02D 19/ 16^{( . )}
E02F 3/ 88^{( . )}
E02F 5/ 10^{( . )}

E02D 31/ 00^{( . )}
E02F 3/ 92^{( . )}

(86)	International application number:
	PCT/US1992/005303

(87)	International publication number:
	WO 1993/000483 (07.01.1993 Gazette 1993/02)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE

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Priority:

24.06.1991 US 19910719863
24.06.1991 US 19910720120

(71)	Applicant: HALLIBURTON NUS ENVIRONMENTAL CORPORATION
	Houston, TX 77072 (US)

(72)	Inventors:
	CARTER, Ernest, E., Jr. Sugarland, TX 77478 (US) FRULLA, Robert, E. Sugarland, TX 77478 (US)

(74)	Representative: Altenburg, Udo, Dipl.-Phys., et al
	Patent- und Rechtsanwälte, Bardehle . Pagenberg . Dost . Altenburg . Frohwitter . Geissler & Partner, Galileiplatz 1 D-81679 München D-81679 München (DE)

(54)	APPARATUS AND METHODS FOR CUTTING SOIL AND IN SITU CONSTRUCTION OF SUBSURFACE CONTAINMENT BARRIERS