FR815939A - Device for synchronizing piston movement in presses or multi-column elevators - Google Patents

Device for synchronizing piston movement in presses or multi-column elevators

Info

Publication number
FR815939A
FR815939A FR815939DA FR815939A FR 815939 A FR815939 A FR 815939A FR 815939D A FR815939D A FR 815939DA FR 815939 A FR815939 A FR 815939A
Authority
FR
France
Prior art keywords
presses
piston movement
synchronizing piston
elevators
column
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
Herve Emile Jules
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 FR815939A publication Critical patent/FR815939A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/04—Kinds or types of lifts in, or associated with, buildings or other structures actuated pneumatically or hydraulically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/24—Control arrangements for fluid-driven presses controlling the movement of a plurality of actuating members to maintain parallel movement of the platen or press beam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
    • B66F7/20—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by several jacks with means for maintaining the platforms horizontal during movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/22—Synchronisation of the movement of two or more servomotors
FR815939D 1936-12-14 1936-12-14 Device for synchronizing piston movement in presses or multi-column elevators Expired FR815939A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR815939T 1936-12-14

Publications (1)

Publication Number Publication Date
FR815939A true FR815939A (en) 1937-07-26

Family

ID=9267544

Family Applications (1)

Application Number Title Priority Date Filing Date
FR815939D Expired FR815939A (en) 1936-12-14 1936-12-14 Device for synchronizing piston movement in presses or multi-column elevators

Country Status (1)

Country Link
FR (1) FR815939A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1033399B (en) * 1954-01-04 1958-07-03 Soederhamns Verkstaeder Aktieb Gang saw machine
WO1993020354A1 (en) * 1992-03-30 1993-10-14 Sjoerd Meijer Hydraulic device with synchronous jacks
EP0913250A1 (en) * 1997-10-30 1999-05-06 Novastampi S.R.L. Die for pressing powder material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1033399B (en) * 1954-01-04 1958-07-03 Soederhamns Verkstaeder Aktieb Gang saw machine
WO1993020354A1 (en) * 1992-03-30 1993-10-14 Sjoerd Meijer Hydraulic device with synchronous jacks
EP0913250A1 (en) * 1997-10-30 1999-05-06 Novastampi S.R.L. Die for pressing powder material

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