(19)
(11) EP 1 389 655 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
20.10.2004 Bulletin 2004/43

(43) Date of publication A2:
18.02.2004 Bulletin 2004/08

(21) Application number: 03255070.9

(22) Date of filing: 14.08.2003
(51) International Patent Classification (IPC)7E02D 29/14
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 14.08.2002 GB 0218888

(71) Applicant: Saint-Gobain Pipelines Plc
Stanton-by-Dale Ilkeston Derbyshire DE7 4QU (GB)

(72) Inventor:
  • Henley, Lee
    Tipton West Midlands DY4 8DH (GB)

(74) Representative: Powell, Timothy John 
Eric Potter Clarkson, Park View House, 58 The Ropewalk
Nottingham NG1 5DD
Nottingham NG1 5DD (GB)

   


(54) A manhole and its method of manufacture


(57) A manhole cover (1) comprises a pan (4) including a base having a generally continuous wall upstanding therefrom defining a boundary; a plurality (3) of reinforcing wires (2) secured in the pan in a non-recticulated manner; and a layer of self-compacting concrete (16) received in the pan within the boundary so as to surround the reinforcing wires. There is also provided a method of making a manhole cover.







Search report