(19)
(11)
EP 0 698 153 A1
(12)
(43)
Date of publication:
28.02.1996
Bulletin 1996/09
(21)
Application number:
94913683.0
(22)
Date of filing:
22.04.1994
(51)
International Patent Classification (IPC):
B28B
1/
08
( . )
E01C
19/
40
( . )
E04G
21/
08
( . )
B28B
1/
093
( . )
E04G
21/
06
( . )
(86)
International application number:
PCT/GB1994/000859
(87)
International publication number:
WO 1994/025681
(
10.11.1994
Gazette 1994/25)
(84)
Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
(30)
Priority:
30.04.1993
US 19930055004
(71)
Applicant:
WILLIAMS, John Francis
London WC2E 7PB (GB)
(72)
Inventor:
FACE, Samuel, Allen, Jr.
Norfolk, VI 23508 (US)
(74)
Representative:
Jehan, Robert, et al
Williams, Powell & Associates, 34 Tavistock Street
London WC2E 7PB
London WC2E 7PB (GB)
(54)
METHOD AND APPARATUS FOR STAGED VIBRATION OF CONCRETE