EP0117716A3 - Apparatus for pulping paper, and a rotor therefor - Google Patents
Apparatus for pulping paper, and a rotor therefor Download PDFInfo
- Publication number
- EP0117716A3 EP0117716A3 EP84301139A EP84301139A EP0117716A3 EP 0117716 A3 EP0117716 A3 EP 0117716A3 EP 84301139 A EP84301139 A EP 84301139A EP 84301139 A EP84301139 A EP 84301139A EP 0117716 A3 EP0117716 A3 EP 0117716A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- pulping paper
- rotor therefor
- therefor
- rotor
- pulping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004537 pulping Methods 0.000 title 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/345—Pulpers
- D21B1/347—Rotor assemblies
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47084783A | 1983-02-28 | 1983-02-28 | |
US470847 | 1990-01-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0117716A2 EP0117716A2 (en) | 1984-09-05 |
EP0117716A3 true EP0117716A3 (en) | 1985-05-29 |
EP0117716B1 EP0117716B1 (en) | 1988-09-07 |
Family
ID=23869305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19840301139 Expired EP0117716B1 (en) | 1983-02-28 | 1984-02-22 | Apparatus for pulping paper, and a rotor therefor |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0117716B1 (en) |
JP (1) | JPS59199895A (en) |
BR (1) | BR8400776A (en) |
CA (1) | CA1242346A (en) |
DE (1) | DE3473894D1 (en) |
ES (1) | ES530083A0 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1228762A (en) * | 1983-05-18 | 1987-11-03 | Joseph W. Couture | Pulping apparatus and method |
DE3743247A1 (en) * | 1987-12-19 | 1989-06-29 | Escher Wyss Gmbh | PULPER WITH HIGH RESOLUTION EFFICIENCY |
SE509293C2 (en) | 1997-04-29 | 1999-01-11 | Cellwood Machinery Ab | Device at mass solver |
ITVI20020048A1 (en) * | 2002-03-19 | 2003-09-19 | Comer Spa | PROPULSOR FOR THE STIRRING OF SUSPENSIONS OF SOLIDS INSIDE A TREATMENT TANK |
GB0703053D0 (en) | 2007-02-16 | 2007-03-28 | Ici Plc | Apparatus for and Methods of Mixing and Dispensing Samples |
CN101708819B (en) * | 2008-12-03 | 2012-07-04 | 鞍钢集团矿业公司 | Ore pulp distributer |
DE102010005596B4 (en) | 2010-01-25 | 2015-11-05 | Epcos Ag | Electroacoustic transducer with reduced losses due to transversal emission and improved performance by suppression of transverse modes |
DE102011082976A1 (en) | 2011-09-19 | 2013-03-21 | Günter Betz | Device for breaking up (shredding, shredding, dissolving, processing) of waste paper and pulp in a pulper (pulper) |
AT517870B1 (en) * | 2015-10-30 | 2019-03-15 | Chemiefaser Lenzing Ag | High concentration mixer for producing a cellulosic suspension with high cellulose concentration |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3171606A (en) * | 1962-06-06 | 1965-03-02 | Ed Jones Corp | Circulating and disintegrating rotor for pulping apparatus |
GB1176412A (en) * | 1967-01-26 | 1970-01-01 | Bolton Emerson | Improvements in and relating to an apparatus and method for Pulping and Defibering |
DE2542065A1 (en) * | 1975-09-20 | 1977-03-24 | Bolton Emerson | Vortical circulation fibre refining pulper - treats unconventional materials by advancing rotor to zero clearance from stator |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5225104A (en) * | 1975-08-14 | 1977-02-24 | Bolton Emerson | Pulp making method |
DE2917814C2 (en) * | 1979-05-03 | 1983-12-08 | J.M. Voith Gmbh, 7920 Heidenheim | Pulpers for the production of paper stock suspensions |
DE3027044C2 (en) * | 1980-07-17 | 1982-12-16 | J.M. Voith Gmbh, 7920 Heidenheim | Rotor for a pulper |
-
1984
- 1984-02-21 BR BR8400776A patent/BR8400776A/en unknown
- 1984-02-22 DE DE8484301139T patent/DE3473894D1/en not_active Expired
- 1984-02-22 EP EP19840301139 patent/EP0117716B1/en not_active Expired
- 1984-02-27 CA CA000448340A patent/CA1242346A/en not_active Expired
- 1984-02-27 ES ES530083A patent/ES530083A0/en active Granted
- 1984-02-28 JP JP3721584A patent/JPS59199895A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3171606A (en) * | 1962-06-06 | 1965-03-02 | Ed Jones Corp | Circulating and disintegrating rotor for pulping apparatus |
GB1176412A (en) * | 1967-01-26 | 1970-01-01 | Bolton Emerson | Improvements in and relating to an apparatus and method for Pulping and Defibering |
DE2542065A1 (en) * | 1975-09-20 | 1977-03-24 | Bolton Emerson | Vortical circulation fibre refining pulper - treats unconventional materials by advancing rotor to zero clearance from stator |
Also Published As
Publication number | Publication date |
---|---|
JPS59199895A (en) | 1984-11-13 |
EP0117716A2 (en) | 1984-09-05 |
EP0117716B1 (en) | 1988-09-07 |
CA1242346A (en) | 1988-09-27 |
JPH055958B2 (en) | 1993-01-25 |
BR8400776A (en) | 1984-10-02 |
ES8503050A1 (en) | 1985-02-01 |
ES530083A0 (en) | 1985-02-01 |
DE3473894D1 (en) | 1988-10-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): DE FR GB IT |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Designated state(s): DE FR GB IT |
|
17P | Request for examination filed |
Effective date: 19851121 |
|
17Q | First examination report despatched |
Effective date: 19870126 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB IT |
|
REF | Corresponds to: |
Ref document number: 3473894 Country of ref document: DE Date of ref document: 19881013 |
|
ITF | It: translation for a ep patent filed | ||
RAP2 | Party data changed (patent owner data changed or rights of a patent transferred) |
Owner name: BLACK CLAWSON (FRANCE) S.A. Owner name: THE BLACK CLAWSON COMPANY |
|
ET | Fr: translation filed | ||
PLBI | Opposition filed |
Free format text: ORIGINAL CODE: 0009260 |
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26 | Opposition filed |
Opponent name: SULZER-ESCHER WYSS GMBH Effective date: 19890602 Opponent name: J.M. VOITH GMBH Effective date: 19890605 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 19901228 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 19910205 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 19910218 Year of fee payment: 8 |
|
ITTA | It: last paid annual fee | ||
PLAB | Opposition data, opponent's data or that of the opponent's representative modified |
Free format text: ORIGINAL CODE: 0009299OPPO |
|
R26 | Opposition filed (corrected) |
Opponent name: J.M. VOITH GMBH * 890602 SULZER-ESCHER WYSS GMBH Effective date: 19890605 |
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RDAG | Patent revoked |
Free format text: ORIGINAL CODE: 0009271 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: PATENT REVOKED |
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27W | Patent revoked |
Effective date: 19911116 |
|
GBPR | Gb: patent revoked under art. 102 of the ep convention designating the uk as contracting state |