(19)
(11) EP 0 384 519 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
05.08.1992 Bulletin 1992/32

(43) Date of publication A2:
29.08.1990 Bulletin 1990/35

(21) Application number: 90200324.3

(22) Date of filing: 13.02.1990
(51) International Patent Classification (IPC)5: B08B 9/02, F28G 3/16, B08B 9/04
(84) Designated Contracting States:
BE DE ES FR GB IT LU

(30) Priority: 23.02.1989 NL 8900449

(71) Applicant: HOOGOVENS GROEP B.V.
NL-1970 CA IJmuiden (NL)

(72) Inventors:
  • Bakker, Bernardus Antonius Gemma Rijckholt
    NL-2011 DD Haarlem (NL)
  • Bijleveld, Cornelis
    NL-1814 MG Alkmaar (NL)

(74) Representative: Van Breda, Jacobus, Mr. Ir. et al
HOOGOVENS GROEP BV P.O. Box 10.000
NL-1970 CA IJmuiden
NL-1970 CA IJmuiden (NL)


(56) References cited: : 
   
       


    (54) Apparatus and method for the internal cleaning of a pipe


    (57) Apparatus for the internal cleaning of a pipe (1) has a hose (4) which is rotatable around its longitudinal axis, a driving mechanism (7) for rotating the hose around said axis, and at the head-end of hose a spray head (5) for spraying cleaning fluid onto a pipe wall. The spray head is attached to the hose for rotation therewith. To achieve good self-location of the spray head in a simple manner, the hose has a non-­bending portion adjoining the head-end (5).







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