(19)
(11)
EP 0 099 898 A1
(12)
(43)
Date of publication:
08.02.1984
Bulletin 1984/06
(21)
Application number:
83900198.0
(22)
Date of filing:
06.12.1982
(51)
International Patent Classification (IPC):
F16L
55/
1645
( . )
F16L
55/
18
( . )
(86)
International application number:
PCT/GB1982/000343
(87)
International publication number:
WO 1983/002144
(
23.06.1983
Gazette 1983/15)
(84)
Designated Contracting States:
BE DE FR NL SE
(30)
Priority:
08.12.1981
GB 19810036998
(71)
Applicant:
PRESS CONSTRUCTION LIMITED
London WC2R 3AU (GB)
(72)
Inventors:
MILLS, David MacGregor
Helensburgh Dunbartonshire (GB)
THOMSON, Richard Walker
West Lothian (GB)
(74)
Representative:
Huskisson, Frank Mackie, et al
FITZPATRICKS 4 West Regent Street
Glasgow G2 1RS Scotland
Glasgow G2 1RS Scotland (GB)
(54)
SEALING JOINTS IN PIPES LARGE ENOUGH IN DIAMETER FOR ENTRY OF PERSONNEL