(19)
(11) EP 1 387 746 A1

(12)

(43) Date of publication:
11.02.2004 Bulletin 2004/07

(21) Application number: 02733611.4

(22) Date of filing: 08.05.2002
(51) International Patent Classification (IPC)7B28B 7/36, B28B 17/00
(86) International application number:
PCT/NL2002/000301
(87) International publication number:
WO 2002/090072 (14.11.2002 Gazette 2002/46)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 09.05.2001 NL 1018033

(71) Applicant: Kalkman Holding B.V.
2920 AD Krimpen a/d Ijssel (NL)

(72) Inventors:
  • VAN MALSSEN, Arnoldus, Franciscus
    NL-3313 TV Dordrecht (NL)
  • VAN DER SIJDE, Leendert, Peter, Arie
    NL-3319 SH Dordrecht (NL)

(74) Representative: De Hoop, Eric 
Octrooibureau Vriesendorp & GaadeP.O. Box 266
2501 AW Den Haag
2501 AW Den Haag (NL)

   


(54) USE OF A SUCTION CUP FOR REMOVING A SHEET FROM A CONCRETE SLAB