FR645934A - Improvements to gate valves - Google Patents

Improvements to gate valves

Info

Publication number
FR645934A
FR645934A FR645934DA FR645934A FR 645934 A FR645934 A FR 645934A FR 645934D A FR645934D A FR 645934DA FR 645934 A FR645934 A FR 645934A
Authority
FR
France
Prior art keywords
gate valves
valves
gate
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)
Inventor
Tom Frederick Gray
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 filed Critical
Application granted granted Critical
Publication of FR645934A publication Critical patent/FR645934A/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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
    • F16K3/18—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
    • F16K3/188—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members by means of hydraulic forces
FR645934D 1927-01-14 1927-12-20 Improvements to gate valves Expired FR645934A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB645934X 1927-01-14

Publications (1)

Publication Number Publication Date
FR645934A true FR645934A (en) 1928-11-05

Family

ID=10489808

Family Applications (1)

Application Number Title Priority Date Filing Date
FR645934D Expired FR645934A (en) 1927-01-14 1927-12-20 Improvements to gate valves

Country Status (1)

Country Link
FR (1) FR645934A (en)

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