(19)
(11)
EP 0 641 422 A1
(12)
(43)
Date of publication:
08.03.1995
Bulletin 1995/10
(21)
Application number:
92912591.0
(22)
Date of filing:
18.05.1992
(51)
International Patent Classification (IPC):
F16L
33/
22
( . )
F16L
25/
00
( . )
F16L
37/
08
( . )
F16L
11/
00
( . )
F16L
33/
02
( . )
F16L
57/
00
( . )
(86)
International application number:
PCT/US1992/004190
(87)
International publication number:
WO 1993/023695
(
25.11.1993
Gazette 1993/28)
(84)
Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE
(71)
Applicant:
PROPRIETARY TECHNOLOGY, INC.
Southfield, MI 48037 (US)
(72)
Inventor:
BARTHOLOMEW, Donald Dekle
Mt. Clemens, MI 48045 (US)
(74)
Representative:
Neumann, Ernst Dieter, Dipl.-Ing., et al
Harwardt Neumann Patent- und Rechtsanwälte, Brandstrasse 10
D-53721 Siegburg
D-53721 Siegburg (DE)
(54)
RUPTURE INHIBITING FLUID TRANSITION