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특허 상세정보

Method for screening pulp

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) D21C-009/08    B07B-001/22   
미국특허분류(USC) 162/55 ; 162/58 ; 209/240 ; 209/234
출원번호 US-0273467 (1994-07-11)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 45  인용 특허 : 17
초록

A method for screening fibrous stock slurry having a rotor impeller and a screen, in which accepts quality and throughput may be adjusted without stopping the screening process by relative displacement of the clearance between the rotor and the screen plate. In one version, this relative displacement is accomplished by axial displacement of frusto-conical portions of the bladed rotor and screen. The relative axial displacement changes the degree of pulp disturbance in a primary screening zone, thus causing throughput and accepts quality to change accordi...

대표
청구항

A method for controlling the quality and throughput of an accepts portion of a pulp slurry without stopping a rotor-operated screen used to produce the accepts portion, the method comprising the steps of: (a) continuously introducing a pulp slurry into a primary screening zone between a rotor impeller and a screen having a clearance therebetween; (b) operating the rotor to generate regions of disturbance in the pulp slurry within the primary screening zone, so that a portion of the slurry passes through apertures in the screen, thereby becoming the accep...

이 특허에 인용된 특허 (17)

  1. Poser Kimberly J. (122 Edgehill Drive Kitchener ; Ontario CAX N2G 3W6) Murugesu Benjamin K. (47 ; Florenc Ave. Kitchener ; Ont. CAX N2A 2K7). Apparatus for adjusting the gap of a size reduction machine. USP1994025282579.
  2. Ahs Bjrn (Karlstad SEX). Apparatus for screening a suspension of fibrous cellulose pulp. USP1990114968417.
  3. Gauld W. Thomas (4313 Winding Way Mobile AL 36609). Apparatus for screening fibrous stock. USP1983024374728.
  4. Gauld W. Thomas (4313 Winding Way Mobile AL 36609). Apparatus for screening fibrous stock. USP1984074462901.
  5. Hutzler Hagen (Reutlingen DEX) Czerwoniak Erich (Pfullingen DEX). Apparatus for sorting and deflaking fibrous suspensions. USP1994105358637.
  6. Reinhall Rolf B. (Belleveu WA). Apparatus for treatment of fibre suspensions. USP1990094955549.
  7. Gauld W. Thomas (Mobile AL) Thomsen Eigild S. (Mobile AL). Fibrous stock screen. USP1980114234417.
  8. Gauld W. Thomas (4313 Winding Way Mobile AL 36609). Fibrous stock screening apparatus. USP1988054744894.
  9. Seifert Horst H. (Darian IL). Hammermill. USP1990034907750.
  10. Gullichsen Johan (Sjundea FIX) Nilsson Bengt (Skoghall SEX) Hoglund Ronny (Skoghall SEX). Method and apparatus for feeding a conical refiner. USP1991014986480.
  11. Gullichsen Johan (SjundeFIX). Method and apparatus for refining fibrous material. USP1988074754935.
  12. Floden Mats (Box 128 Taby SEX S-18322). Method of refining fibrous material by controlling the feed rate of material or the gap distance between discs. USP1990074943347.
  13. Martin Andrew C. (Middletown OH). Pressurized rotary screening apparatus. USP1981054267035.
  14. Sepke Paul-Wilhelm (Ravensburg-Weissenau DEX). Refiner for processing a fiber stock suspension for paper fabrication. USP1989044819881.
  15. Einarsson Ahlfors Sten Eskil (Box 3691 S-776 00 Hedemora SW). Screening device. USP1976023939065.
  16. Ferland Carl G. (Port Robinson CAX) Peters Henry J. (St. Catharines CAX). Screening device for slurries with improved rotor and hub design. USP1991105061370.
  17. Edmonds Harvey A. (108 Paradise Harbor Blvd. North Palm Beach FL 33408). Size reduction machine. USP1986084605173.

이 특허를 인용한 특허 피인용횟수: 45

  1. Iwashige Naoyuki,JPX. Apparatus for screening waste paper pulp. USP2001016171448.
  2. Harkonen, Pasi; Kohonen, Raimo; Karppinen, Pekka; Pelkio, Ari; Rahkonen, Kader; Rahkonen, Riitta. Arrangement and rotor for screening of pulp. USP2004046719145.
  3. Davison, Thomas W.; Taylor, Timothy E.; Sher, Adam. Cannula for receiving surgical instruments. USP2010037670354.
  4. Davison, Thomas W.; Taylor, Timothy E.; Sher, Adam. Cannula for receiving surgical instruments. USP2010017641670.
  5. Davison, Thomas W.; Taylor, Timothy E.; Sher, Adam. Cannula for receiving surgical instruments. USP2015038968351.
  6. Davison, Thomas W.; Taylor, Timothy E.; Sher, Adam. Cannula for receiving surgical instruments. USP2012118317817.
  7. Davison, Thomas W.; Taylor, Timothy E.; Sher, Adam. Cannula for receiving surgical instruments. USP2011027892249.
  8. Davison, Thomas W.; Taylor, Timothy E.; Sher, Adam. Cannula for receiving surgical instruments. USP2011027892171.
  9. Davison, Thomas W.; Taylor, Timothy E.; Sher, Adam. Cannula for receiving surgical instruments. USP2013098540746.
  10. Davison, Thomas W.; Taylor, Timothy E.; Sher, Adam. Cannula for receiving surgical instruments. USP2011077985237.
  11. Davison,Thomas W.; Taylor,Timothy E.; Sher,Adam. Cannula for receiving surgical instruments. USP2006027001397.
  12. Davison,Thomas W.; Taylor,Timothy E.; Sher,Adam. Cannula for receiving surgical instruments. USP2006097108705.
  13. DiPoto, Gene P.. Cannula for receiving surgical instruments. USP2003026524320.
  14. DiPoto, Gene P.; Shluzas, Alan E.. Cannula for receiving surgical instruments. USP2010087766930.
  15. DiPoto, Gene P.; Shluzas, Alan E.. Cannula for receiving surgical instruments. USP2011088007492.
  16. Johansson, Ola M.. Consistency determining method and system. USP2004086778936.
  17. Lawson J. Alan. Decontamination apparatus. USP2001056238523.
  18. Conti, Michael P.; Kettle, Everett Sidney; Lownds, Zachary A.; Norland, Leif A.; Robertson, Mitchell L.. High performance adjustable juicer with whole foods feed chute. USP2017069675101.
  19. Conti, Michael P.; Kettle, Everett Sidney; Norland, Leif A.; Robertson, Mitchell L.; McCuan, Casey L.. High performance adjustable juicer with whole foods feed chute and clutch mechanism. USP2017019556916.
  20. Davison, Thomas W.; Taylor, Timothy E.; Sher, Adam. Method and apparatus for securing vertebrae. USP2010097799036.
  21. Davison, Thomas W.; Taylor, Timothy E.; Sher, Adam. Method for performing a surgical procedure and a cannula for use in performing the surgical procedure. USP2004116811558.
  22. Davison, Thomas W.; Taylor, Timothy E.; Sher, Adam. Method for performing a surgical procedure and a cannula for use in performing the surgical procedure. USP2010037674273.
  23. Davison, Thomas W.. Method for securing vertebrae. USP2014078777997.
  24. Pagliuca, James J.; Unger, John D.; Davison, Thomas. Method for securing vertebrae. USP2017049622735.
  25. Pagliuca, James J.; Unger, John D.; Davison, Thomas. Method for securing vertebrae. USP2014108864785.
  26. Davison, Thomas W.. Method of securing vertebrae. USP2010057722530.
  27. Davison, Thomas W.. Method of securing vertebrae. USP2010047699877.
  28. Davison, Thomas W.. Method of securing vertebrae. USP2015089101353.
  29. Pagliuca, James J.; Unger, John D.; Davison, Thomas W.. Method of securing vertebrae. USP2010127850695.
  30. Pagliuca,James J.; Unger,John D.; Davison,Thomas W.. Method of securing vertebrae. USP2006067056321.
  31. DiPoto, Gene. Methods and apparatuses for fixation of the spine through an access device. USP2010067731737.
  32. DiPoto, Gene; Shluzas, Alan E.; Rossin, Victor; Anderson, Stephen; Baker, Daniel. Methods and apparatuses for minimally invasive replacement of intervertebral discs. USP2010027655012.
  33. Shluzas, Alan E.. Methods and apparatuses for stabilizing the spine through an access device. USP2010027658739.
  34. Shluzas, Alan; Pagliuca, James; Unger, John D.. Methods and apparatuses for treating the spine through an access device. USP2011077985247.
  35. Lutz Mark S. ; Purton Dennis G. ; Soik Matthew R.. Modular screen cylinder and a method for its manufacture. USP1999095954956.
  36. Franko, Andrew. Multi-zoned paddle screen apparatus. USP20190310226774.
  37. Johansson, Ola M.. Refiner control method and system. USP2004066752165.
  38. Johansson, Ola M.. Refiner control method and system. USP2005096938843.
  39. Johansson, Ola M.; Wulf, Timothy L.. Refiner disk sensor and sensor refiner disk. USP2005056892973.
  40. Lutz,Mark S.. Refiner sensor and coupling arrangement. USP2006097104480.
  41. Gallagher, Brian J.; Meese, Richard G.. Rotor with multiple foils for screening apparatus for papermaking pulp. USP2005096942104.
  42. Soik Matthew R. ; Lutz Mark S. ; Purton Dennis G.. Screen media and a screening passage therefore. USP2000106138838.
  43. Kato, Fumio. Sifter. USP2012088240481.
  44. Dipoto, Gene P.; Silver, William; Unger, John D.. Structure for receiving surgical instruments. USP2011077985218.
  45. Davison, Thomas W.. System for performing a procedure at a spinal location. USP2012108277486.