FR418208A - Improvements to lapping valves Improvements to lapping valves - Google Patents

Improvements to lapping valves Improvements to lapping valves

Info

Publication number
FR418208A
FR418208A FR418208DA FR418208A FR 418208 A FR418208 A FR 418208A FR 418208D A FR418208D A FR 418208DA FR 418208 A FR418208 A FR 418208A
Authority
FR
France
Prior art keywords
lapping
valves
lapping valves
valves improvements
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR418208A publication Critical patent/FR418208A/en
Expired 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
    • F16K41/00—Spindle sealings
    • F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
    • F16K41/12—Spindle sealings with diaphragm, e.g. shaped as bellows or tube with approximately flat diaphragm
    • F16K41/125—Spindle sealings with diaphragm, e.g. shaped as bellows or tube with approximately flat diaphragm the part of the spindle traversing the diaphragm being rotatable or pivotable

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR418208D 1909-09-21 1909-09-21 Improvements to lapping valves Improvements to lapping valves Expired FR418208A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR418208T 1909-09-21

Publications (1)

Publication Number Publication Date
FR418208A true FR418208A (en) 1910-12-03

Family

ID=1461546

Family Applications (1)

Application Number Title Priority Date Filing Date
FR418208D Expired FR418208A (en) 1909-09-21 1909-09-21 Improvements to lapping valves Improvements to lapping valves

Country Status (1)

Country Link
FR (1) FR418208A (en)

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