(19)
(11) EP 1 549 875 A1

(12)

(43) Date of publication:
06.07.2005 Bulletin 2005/27

(21) Application number: 03799232.8

(22) Date of filing: 01.10.2003
(51) International Patent Classification (IPC)7F16L 45/00
(86) International application number:
PCT/SE2003/001525
(87) International publication number:
WO 2004/031639 (15.04.2004 Gazette 2004/16)
(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:
LT LV

(30) Priority: 02.10.2002 SE 0202894

(71) Applicants:
  • Widegren, Bo
    832 94 Orrviken (SE)
  • Karlsson, Jan
    757 57 Uppsala (SE)

(72) Inventors:
  • Widegren, Bo
    832 94 Orrviken (SE)
  • Karlsson, Jan
    757 57 Uppsala (SE)

(74) Representative: Sandström, Sven 
Sandström IPR Consultants AB,Birger Jarlsgatan 119
113 56 Stockholm
113 56 Stockholm (SE)

   


(54) MEANS FOR REMOVAL OF FLOW OBSTRUCTIONS IN PIPES PROVIDED WITH RINSE PORTS COVERED BY SEALING MEMBRANES THROUGH WHICH RINSING MEANS CAN BE INSERTED