(19)
(11) EP 0 096 562 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
24.10.1984 Bulletin 1984/43

(43) Date of publication A2:
21.12.1983 Bulletin 1983/51

(21) Application number: 83303231

(22) Date of filing: 03.06.1983
(84) Designated Contracting States:
DE FR GB IT SE

(30) Priority: 04.06.1982 US 384835

(71) Applicant: THE BLACK CLAWSON COMPANY
 ()

(72) Inventor:
  • Bliss, Terry L.
     ()

   


(54) Reverse centrifugal cleaning of paper making stock


(57) A system and process for separating paper fibers from contaminants of similar lower specific gravities employ a reverse centrifugal cleaner (25) wherein the discharge port (30) for lights (rejects) is located at the apex of the conical cleaner body, and the discharge port (44) for heavies (accepts) is located upstream from the apex.







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