(19)
(11)
EP 0 978 118 A1
(12)
(43)
Date of publication:
09.02.2000
Bulletin 2000/06
(21)
Application number:
98917421.4
(22)
Date of filing:
20.04.1998
(51)
International Patent Classification (IPC)
7
:
G10K
11/02
,
G10K
11/00
,
B06B
3/00
(86)
International application number:
PCT/GB9801/154
(87)
International publication number:
WO 9849/671
(
05.11.1998
Gazette 1998/44)
(84)
Designated Contracting States:
DE FR GB
(30)
Priority:
26.04.1997
GB 9708449
(71)
Applicant:
British Nuclear Fuels PLC
RisleyWarringtonCheshire, WA3 6AS (GB)
(72)
Inventor:
JENNINGS, Howard, T.,British Nuclear Fuels Plc
Chester,Cheshire CH1 6ER (GB)
(74)
Representative:
Goddard, David John et al
Harrison Goddard Foote,1 Stockport Road,Marple
Stockport SK6 6BD
Stockport SK6 6BD (GB)
(54)
ACOUSTIC APPARATUS AND METHOD