(19)
(11) EP 0 241 439 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.01.1988 Bulletin 1988/01

(43) Date of publication A2:
14.10.1987 Bulletin 1987/42

(21) Application number: 87850008

(22) Date of filing: 07.01.1987
(84) Designated Contracting States:
AT CH DE FR GB IT LI SE

(30) Priority: 08.01.1986 US 817034

(71) Applicant: M/K Systems Inc.
 ()

(72) Inventor:
  • Kallmes, Otto J.
     ()

   


(54) Dewatering apparatus


(57) A hydrofoil blade and support for use in a paper making machine, and a method using a hydrofoil blade for dewatering and forming a paper web on a paper machine forming medium wherein a single phase fluid is formed in a gap between the hydrofoil blade and forming medium, and the gap is extended a sufficient distance in the machine direction to prevent expansion and corresponding cavitation of the single phase fluid in the gap.





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