SECONDARY CONTAINMENT FLEXIBLE UNDERGROUND PIPING SYSTEM - Patent 0592639

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EP 0 592 639 A1

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(43)	Date of publication:
	20.04.1994 Bulletin 1994/16

(21)	Application number: 93909213.0

(22)	Date of filing: 25.03.1993

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International Patent Classification (IPC):

F16L 9/ 18^{( . )}
F16L 11/ 22^{( . )}

F16L 11/ 12^{( . )}
F16L 39/ 00^{( . )}

(86)	International application number:
	PCT/US1993/002977

(87)	International publication number:
	WO 1993/020372 (14.10.1993 Gazette 1993/25)

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

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Priority:

27.03.1992 US 19920859034

(71)	Applicant: ADVANCED POLYMER TECHNOLOGY, INC.
	Elkhart, IN 46514 (US)

(72)	Inventors:
	LeBLANC, Leo, J. Bloomfield Hills, MI 48013 (US) YOUNGS, Andrew Graner, IN 46530 (US) STINSON, Terry, L. Bloomfield Hills, MI 48302 (US)

(74)	Representative: Jones, Stephen Anthony, et al
	E. N. Lewis & Taylor 144 New Walk Leicester LE1 7JA Leicester LE1 7JA (GB)

(54)	SECONDARY CONTAINMENT FLEXIBLE UNDERGROUND PIPING SYSTEM