GB9704452D0 - A method for producing a precision cylindrical valve member for a fluid flow valve apparatus - Google Patents

A method for producing a precision cylindrical valve member for a fluid flow valve apparatus

Info

Publication number
GB9704452D0
GB9704452D0 GBGB9704452.3A GB9704452A GB9704452D0 GB 9704452 D0 GB9704452 D0 GB 9704452D0 GB 9704452 A GB9704452 A GB 9704452A GB 9704452 D0 GB9704452 D0 GB 9704452D0
Authority
GB
United Kingdom
Prior art keywords
producing
fluid flow
valve member
precision cylindrical
flow valve
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
GBGB9704452.3A
Other versions
GB2322818B (en
GB2322818A (en
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.)
Perkins Ltd
Original Assignee
Perkins Ltd
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 Perkins Ltd filed Critical Perkins Ltd
Priority to GB9704452A priority Critical patent/GB2322818B/en
Publication of GB9704452D0 publication Critical patent/GB9704452D0/en
Publication of GB2322818A publication Critical patent/GB2322818A/en
Application granted granted Critical
Publication of GB2322818B publication Critical patent/GB2322818B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
    • F16K47/06—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member with a throttle in the form of a helical channel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/20—Making machine elements valve parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
GB9704452A 1997-03-04 1997-03-04 A method for producing a precision cylindrical valve member for a fluid flow valve apparatus Expired - Fee Related GB2322818B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9704452A GB2322818B (en) 1997-03-04 1997-03-04 A method for producing a precision cylindrical valve member for a fluid flow valve apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9704452A GB2322818B (en) 1997-03-04 1997-03-04 A method for producing a precision cylindrical valve member for a fluid flow valve apparatus

Publications (3)

Publication Number Publication Date
GB9704452D0 true GB9704452D0 (en) 1997-04-23
GB2322818A GB2322818A (en) 1998-09-09
GB2322818B GB2322818B (en) 1999-09-15

Family

ID=10808665

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9704452A Expired - Fee Related GB2322818B (en) 1997-03-04 1997-03-04 A method for producing a precision cylindrical valve member for a fluid flow valve apparatus

Country Status (1)

Country Link
GB (1) GB2322818B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107052716A (en) * 2017-03-31 2017-08-18 安徽再制造工程设计中心有限公司 Tungsten carbide Corrugator roller manufacturing process

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2092080B (en) * 1981-01-30 1984-08-01 British Leyland Cars Ltd Power steering servo valves

Also Published As

Publication number Publication date
GB2322818B (en) 1999-09-15
GB2322818A (en) 1998-09-09

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140304