CA1031966A - Device for automatically lapping wedge-gate valve seat - Google Patents

Device for automatically lapping wedge-gate valve seat

Info

Publication number
CA1031966A
CA1031966A CA263,178A CA263178A CA1031966A CA 1031966 A CA1031966 A CA 1031966A CA 263178 A CA263178 A CA 263178A CA 1031966 A CA1031966 A CA 1031966A
Authority
CA
Canada
Prior art keywords
wedge
valve seat
gate valve
lapping
automatically
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.)
Expired
Application number
CA263,178A
Other languages
English (en)
French (fr)
Inventor
Masami Okano
Shozo Yoshitomi
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.)
Okano Valve Mfg Co Ltd
Original Assignee
Okano Valve Mfg Co 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 Okano Valve Mfg Co Ltd filed Critical Okano Valve Mfg Co Ltd
Application granted granted Critical
Publication of CA1031966A publication Critical patent/CA1031966A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B15/00—Machines or devices designed for grinding seat surfaces; Accessories therefor
    • B24B15/02—Machines or devices designed for grinding seat surfaces; Accessories therefor in valve housings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Sliding Valves (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
CA263,178A 1975-10-13 1976-10-12 Device for automatically lapping wedge-gate valve seat Expired CA1031966A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50122419A JPS5246521A (en) 1975-10-13 1975-10-13 Self valve seat lapping device for sluice valve

Publications (1)

Publication Number Publication Date
CA1031966A true CA1031966A (en) 1978-05-30

Family

ID=14835349

Family Applications (1)

Application Number Title Priority Date Filing Date
CA263,178A Expired CA1031966A (en) 1975-10-13 1976-10-12 Device for automatically lapping wedge-gate valve seat

Country Status (8)

Country Link
US (1) US4114323A (cs)
JP (1) JPS5246521A (cs)
CA (1) CA1031966A (cs)
DE (2) DE2646182C3 (cs)
FR (1) FR2327846A1 (cs)
GB (1) GB1562436A (cs)
IT (1) IT1068787B (cs)
NL (1) NL172624C (cs)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54157706A (en) * 1978-05-31 1979-12-12 Shinko Electric Co Ltd Reverberatory furnace
US4691480A (en) * 1984-09-17 1987-09-08 Kelsey John R Valve seat grinding apparatus
US4610112A (en) * 1984-09-17 1986-09-09 John Kelsey Apparatus for grinding and/or reconditioning plane, annular surfaces
DE102009046401B4 (de) * 2009-11-04 2012-08-09 Areva Np Gmbh Verfahren und Vorrichtung zur Bearbeitung eines Dichtsitzes einer Absperrarmatur
CN109227240A (zh) * 2018-11-09 2019-01-18 昆山新合宇制辊有限公司 自动化辊体外圆精磨装置
CN112775776B (zh) * 2021-01-07 2022-04-12 崇义县佰盛五金制品有限公司 一种五金制品支架辅助夹紧的打磨抛光设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1993844A (en) * 1928-07-21 1935-03-12 Karnath Kurt Device for resurfacing or grinding parallel surfaces
US2723512A (en) * 1951-11-23 1955-11-15 Dewrance & Company Ltd Machines for repairing the valve seat faces of parallel slide valves
US4000584A (en) * 1976-04-01 1977-01-04 The United States Of America As Represented By The Secretary Of The Navy In-situ lapping apparatus for gate valves

Also Published As

Publication number Publication date
NL172624B (nl) 1983-05-02
FR2327846A1 (fr) 1977-05-13
NL172624C (nl) 1983-10-03
DE2646182C3 (de) 1980-01-03
JPS5343692B2 (cs) 1978-11-22
DE2646182B2 (de) 1979-04-19
DE2646182A1 (de) 1977-04-14
US4114323A (en) 1978-09-19
FR2327846B1 (cs) 1981-02-27
DE7632014U1 (de) 1980-04-03
GB1562436A (en) 1980-03-12
NL7611276A (nl) 1977-04-15
IT1068787B (it) 1985-03-21
JPS5246521A (en) 1977-04-13

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