ES490160A0 - Dispositivo de cierre mejorado, especialmente corredera es- ferica - Google Patents

Dispositivo de cierre mejorado, especialmente corredera es- ferica

Info

Publication number
ES490160A0
ES490160A0 ES490160A ES490160A ES490160A0 ES 490160 A0 ES490160 A0 ES 490160A0 ES 490160 A ES490160 A ES 490160A ES 490160 A ES490160 A ES 490160A ES 490160 A0 ES490160 A0 ES 490160A0
Authority
ES
Spain
Prior art keywords
locking device
spherical sliding
improved locking
especially spherical
sliding
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
Application number
ES490160A
Other languages
English (en)
Other versions
ES8202928A1 (es
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.)
Allis Chalmers Corp
Original Assignee
Allis Chalmers Corp
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 Allis Chalmers Corp filed Critical Allis Chalmers Corp
Publication of ES8202928A1 publication Critical patent/ES8202928A1/es
Publication of ES490160A0 publication Critical patent/ES490160A0/es
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
    • F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
    • F16K5/205—Sealing effected by the flowing medium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/4238—With cleaner, lubrication added to fluid or liquid sealing at valve interface
    • Y10T137/4358—Liquid supplied at valve interface
    • Y10T137/4442—External pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)
  • Joints Allowing Movement (AREA)
ES490160A 1979-04-02 1980-04-01 Dispositivo de cierre mejorado, especialmente corredera es- ferica Granted ES490160A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/026,431 US4257574A (en) 1979-04-02 1979-04-02 Spherical valve seal

Publications (2)

Publication Number Publication Date
ES8202928A1 ES8202928A1 (es) 1980-12-16
ES490160A0 true ES490160A0 (es) 1980-12-16

Family

ID=21831782

Family Applications (2)

Application Number Title Priority Date Filing Date
ES490160A Granted ES490160A0 (es) 1979-04-02 1980-04-01 Dispositivo de cierre mejorado, especialmente corredera es- ferica
ES490161A Granted ES490161A0 (es) 1979-04-02 1980-04-01 Procedimiento para la formacion de un anillo de asiento de estanqueidad de un dispositivo de cierre, especialmente co- rredera esferica

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES490161A Granted ES490161A0 (es) 1979-04-02 1980-04-01 Procedimiento para la formacion de un anillo de asiento de estanqueidad de un dispositivo de cierre, especialmente co- rredera esferica

Country Status (5)

Country Link
US (1) US4257574A (es)
AR (1) AR220976A1 (es)
DE (1) DE2951661A1 (es)
ES (2) ES490160A0 (es)
GB (1) GB2045402B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3641741A1 (de) * 1986-12-06 1988-06-16 B & S Metalpraecis Gmbh Kugelhahn mit sinterkeramischen sitzringen und sinterkeramischer ventilkugel
EP2463560B1 (en) 2010-12-08 2018-07-11 Cameron International Corporation Ball valve

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3013766A (en) * 1958-01-13 1961-12-19 Baldwin Lima Hamilton Corp Spherical valve
US3216696A (en) * 1961-07-20 1965-11-09 Rockwell Mfg Co Lubricated ball plug valve with relieved surface on seat ring

Also Published As

Publication number Publication date
GB2045402B (en) 1983-03-09
ES8202929A1 (es) 1980-12-16
ES8202928A1 (es) 1980-12-16
GB2045402A (en) 1980-10-29
DE2951661A1 (de) 1980-10-09
AR220976A1 (es) 1980-12-15
US4257574A (en) 1981-03-24
ES490161A0 (es) 1980-12-16

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