EP0828025A3 - Improvements in valves - Google Patents

Improvements in valves Download PDF

Info

Publication number
EP0828025A3
EP0828025A3 EP97306597A EP97306597A EP0828025A3 EP 0828025 A3 EP0828025 A3 EP 0828025A3 EP 97306597 A EP97306597 A EP 97306597A EP 97306597 A EP97306597 A EP 97306597A EP 0828025 A3 EP0828025 A3 EP 0828025A3
Authority
EP
European Patent Office
Prior art keywords
plate
valve
hydraulic
closed position
housing
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.)
Withdrawn
Application number
EP97306597A
Other languages
German (de)
French (fr)
Other versions
EP0828025A2 (en
Inventor
Walter Maag
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0828025A2 publication Critical patent/EP0828025A2/en
Publication of EP0828025A3 publication Critical patent/EP0828025A3/en
Withdrawn legal-status Critical Current

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Sliding Valves (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

A valve for use in a pulper dirt trap comprises a plate or flap (8) which is pivotally mounted on a valve housing (1), a hydraulic or pneumatic ram (16) for moving the plate (8) between open and closed positions, a seal (11) in the form of a beading of V-shaped cross-section located between the housing (1) and the plate (8) in the closed position of the valve, a retaining hook (22) for releasably retaining the plate (8) in the closed position and a hydraulic or pneumatic ram (26) for operating the retaining hook (22).
EP97306597A 1996-09-06 1997-08-28 Improvements in valves Withdrawn EP0828025A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9618685A GB2316997A (en) 1996-09-06 1996-09-06 Improvements in valves
GB9618685 1996-09-06

Publications (2)

Publication Number Publication Date
EP0828025A2 EP0828025A2 (en) 1998-03-11
EP0828025A3 true EP0828025A3 (en) 1999-05-12

Family

ID=10799566

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97306597A Withdrawn EP0828025A3 (en) 1996-09-06 1997-08-28 Improvements in valves

Country Status (2)

Country Link
EP (1) EP0828025A3 (en)
GB (1) GB2316997A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE965806C (en) * 1950-07-04 1957-06-19 Voith Gmbh J M Device for dissolving fibers
GB1024958A (en) * 1963-12-09 1966-04-06 Pennsalt Chemicals Corp Bottom discharge bin latching assembly
US3310242A (en) * 1964-02-24 1967-03-21 Improved Machinery Inc Fiber disintegrating and classifying apparatus
US4838301A (en) * 1987-01-30 1989-06-13 E & M Lamort Draining valve for waste paper processing appliances

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB837609A (en) * 1956-09-28 1960-06-15 Film Cooling Towers 1925 Ltd Improvements in and relating to fluid control valves and like controls
GB976852A (en) * 1962-12-11 1964-12-02 Thompson Brothers Bilston Ltd Valves or cocks
JPS5333414A (en) * 1976-09-08 1978-03-29 Nippon Aikiyan Kk Oil pressure type bilge valve for marine
FR2494804A1 (en) * 1980-11-27 1982-05-28 Esswein Sa DEVICE FOR DISPENSING WATER AND DISHWASHER EQUIPPED WITH SUCH A DEVICE
GB2132318B (en) * 1982-12-01 1986-03-12 Kilard Co Valve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE965806C (en) * 1950-07-04 1957-06-19 Voith Gmbh J M Device for dissolving fibers
GB1024958A (en) * 1963-12-09 1966-04-06 Pennsalt Chemicals Corp Bottom discharge bin latching assembly
US3310242A (en) * 1964-02-24 1967-03-21 Improved Machinery Inc Fiber disintegrating and classifying apparatus
US4838301A (en) * 1987-01-30 1989-06-13 E & M Lamort Draining valve for waste paper processing appliances

Also Published As

Publication number Publication date
GB9618685D0 (en) 1996-10-16
EP0828025A2 (en) 1998-03-11
GB2316997A (en) 1998-03-11

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