(19)
(11)
EP 0 522 002 A1
(12)
(43)
Date of publication:
13.01.1993
Bulletin 1993/02
(21)
Application number:
91907098.0
(22)
Date of filing:
28.03.1991
(51)
International Patent Classification (IPC):
F16J
1/
00
( . )
F16J
1/
08
( . )
F16J
1/
24
( . )
F16J
9/
24
( . )
F16J
1/
02
( . )
F16J
1/
14
( . )
F16J
9/
04
( . )
F02F
3/
00
( . )
(86)
International application number:
PCT/GB1991/000493
(87)
International publication number:
WO 1991/014889
(
03.10.1991
Gazette 1991/23)
(84)
Designated Contracting States:
CH DE ES FR IT LI SE
(30)
Priority:
28.03.1990
GB 19900006734
(71)
Applicant:
SUGDEN, Keith, Charles
Radcliffe, Manchester, M26 9DW (GB)
(72)
Inventor:
SUGDEN, Keith, Charles
Radcliffe, Manchester, M26 9DW (GB)
(74)
Representative:
Allman, Peter John, et al
MARKS & CLERK, Sussex House, 83-85 Mosley Street
Manchester M2 3LG
Manchester M2 3LG (GB)
(54)
PISTON AND PISTON SEALING RING ASSEMBLIES