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FR1144120A - Improvements to machines for grinding gate valve seats - Google Patents

Improvements to machines for grinding gate valve seats

Info

Publication number
FR1144120A
FR1144120A FR1144120DA FR1144120A FR 1144120 A FR1144120 A FR 1144120A FR 1144120D A FR1144120D A FR 1144120DA FR 1144120 A FR1144120 A FR 1144120A
Authority
FR
France
Prior art keywords
machines
gate valve
valve seats
grinding gate
grinding
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
Other languages
French (fr)
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.)
Dewrance and Co Ltd
Original Assignee
Dewrance and 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 Dewrance and Co Ltd filed Critical Dewrance and Co Ltd
Application granted granted Critical
Publication of FR1144120A publication Critical patent/FR1144120A/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)
FR1144120D 1953-11-09 1954-11-09 Improvements to machines for grinding gate valve seats Expired FR1144120A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1144120X 1953-11-09

Publications (1)

Publication Number Publication Date
FR1144120A true FR1144120A (en) 1957-10-09

Family

ID=10877409

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1144120D Expired FR1144120A (en) 1953-11-09 1954-11-09 Improvements to machines for grinding gate valve seats

Country Status (1)

Country Link
FR (1) FR1144120A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993418A (en) * 1957-12-30 1961-07-25 Gen Electric Portable tool for refacing hose fittings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993418A (en) * 1957-12-30 1961-07-25 Gen Electric Portable tool for refacing hose fittings

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