(19)
(11)
EP 0 557 339 A1
(12)
(43)
Date of publication:
01.09.1993
Bulletin 1993/35
(21)
Application number:
91919759.0
(22)
Date of filing:
12.11.1991
(51)
International Patent Classification (IPC):
G01F
1/
80
( . )
G01G
11/
08
( . )
G01G
11/
00
( . )
(86)
International application number:
PCT/GB1991/001990
(87)
International publication number:
WO 1992/008958
(
29.05.1992
Gazette 1992/12)
(84)
Designated Contracting States:
DE ES FR IT
(30)
Priority:
14.11.1990
GB 19900024731
11.10.1991
GB 19910021629
(71)
Applicant:
GILES, ALan, Frederick
Huntingdon, Cambridgeshire PE19 4JW (GB)
(72)
Inventor:
GILES, ALan, Frederick
Huntingdon, Cambridgeshire PE19 4JW (GB)
(74)
Representative:
Nash, Keith Wilfrid, et al
KEITH W. NASH & Co. Pearl Assurance House 90-92 Regent Street
Cambridge CB2 1DP
Cambridge CB2 1DP (GB)
(54)
PARTICLE WEIGHING APPARATUS AND METHOD