FR939323A - Improvements to control valves for hydraulic presses - Google Patents

Improvements to control valves for hydraulic presses

Info

Publication number
FR939323A
FR939323A FR939323DA FR939323A FR 939323 A FR939323 A FR 939323A FR 939323D A FR939323D A FR 939323DA FR 939323 A FR939323 A FR 939323A
Authority
FR
France
Prior art keywords
control valves
hydraulic presses
presses
hydraulic
valves
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
John Maurice Towler
Frank Hathorn Towler
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 FR939323A publication Critical patent/FR939323A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16Control arrangements for fluid-driven presses
    • B30B15/18Control arrangements for fluid-driven presses controlling the reciprocating motion of the ram
    • B30B15/186Controlling the return movement of the ram, e.g. decompression valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR939323D 1941-03-07 1946-08-29 Improvements to control valves for hydraulic presses Expired FR939323A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939323X 1941-03-07

Publications (1)

Publication Number Publication Date
FR939323A true FR939323A (en) 1948-11-10

Family

ID=10748242

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939323D Expired FR939323A (en) 1941-03-07 1946-08-29 Improvements to control valves for hydraulic presses

Country Status (1)

Country Link
FR (1) FR939323A (en)

Similar Documents

Publication Publication Date Title
FR925168A (en) Improvements to hydraulic control valves
FR924678A (en) Hydraulic control mechanism
FR939323A (en) Improvements to control valves for hydraulic presses
FR915660A (en) Hydraulic valve
CA401460A (en) Hydraulic gate
FR872682A (en) Control cylinder for hydraulic brakes
FR67848E (en) Fluid improvements for hydraulic brakes
GB657484A (en) Control for hydraulic presses
FR1073888A (en) Improvements to hydraulic control valves
FR867309A (en) Improvements to hydraulic presses
FR939322A (en) Automatic control valve for hydraulic presses
FR894596A (en) Hydraulic press control
FR939327A (en) Control valve for hydraulic presses
FR884735A (en) Double control valve for steering brakes
FR1070822A (en) Improvements to hydraulic control valves
CA399172A (en) Hydraulic press valve mechanism
FR889353A (en) Locking for hydraulic control cylinders
FR924500A (en) Hydraulic control mechanism
FR924575A (en) Hydraulic control mechanism
FR924649A (en) Hydraulic control mechanism
FR887987A (en) Hydraulic brake for vehicles
FR873255A (en) Improvements to brake control devices for lifting devices
GB643728A (en) Control for hydraulic transmissions
FR882565A (en) Improvements to gear changes for cycles
CA395144A (en) Prefill valve for hydraulic presses