FR2674460A1 - Perfectionnements aux presses hydrauliques, en particulier aux presses-plieuses a tole. - Google Patents

Perfectionnements aux presses hydrauliques, en particulier aux presses-plieuses a tole. Download PDF

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Publication number
FR2674460A1
FR2674460A1 FR9103705A FR9103705A FR2674460A1 FR 2674460 A1 FR2674460 A1 FR 2674460A1 FR 9103705 A FR9103705 A FR 9103705A FR 9103705 A FR9103705 A FR 9103705A FR 2674460 A1 FR2674460 A1 FR 2674460A1
Authority
FR
France
Prior art keywords
circuits
movable
pump
pumps
apron
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.)
Granted
Application number
FR9103705A
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English (en)
French (fr)
Other versions
FR2674460B1 (no
Inventor
Mercier Jacques
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR9103705A priority Critical patent/FR2674460A1/fr
Publication of FR2674460A1 publication Critical patent/FR2674460A1/fr
Application granted granted Critical
Publication of FR2674460B1 publication Critical patent/FR2674460B1/fr
Granted legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • 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
    • 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
    • B30B15/245—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 using auxiliary cylinder and piston means as actuating members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Presses (AREA)
FR9103705A 1991-03-27 1991-03-27 Perfectionnements aux presses hydrauliques, en particulier aux presses-plieuses a tole. Granted FR2674460A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9103705A FR2674460A1 (fr) 1991-03-27 1991-03-27 Perfectionnements aux presses hydrauliques, en particulier aux presses-plieuses a tole.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9103705A FR2674460A1 (fr) 1991-03-27 1991-03-27 Perfectionnements aux presses hydrauliques, en particulier aux presses-plieuses a tole.

Publications (2)

Publication Number Publication Date
FR2674460A1 true FR2674460A1 (fr) 1992-10-02
FR2674460B1 FR2674460B1 (no) 1994-07-13

Family

ID=9411180

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9103705A Granted FR2674460A1 (fr) 1991-03-27 1991-03-27 Perfectionnements aux presses hydrauliques, en particulier aux presses-plieuses a tole.

Country Status (1)

Country Link
FR (1) FR2674460A1 (no)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314801A1 (de) * 1993-05-05 1994-11-10 Rexroth Mannesmann Gmbh Hydraulische Anlage, insbesondere für eine Abkantpresse
WO2001087513A1 (en) * 2000-05-18 2001-11-22 Airbus Uk Limited Tools and process for forming conical components
EP2722164A1 (en) * 2012-10-18 2014-04-23 Nivora IP B.V. Spring means for device for working sheet-like material

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB749287A (en) * 1953-02-17 1956-05-23 Hydropress Inc Hydraulic compensating system for presses
DE2013875A1 (de) * 1969-03-29 1970-10-15 Verrina S.p.A,, Genua-Voltri (Italien) Hydraulische Antriebsvorrichtung für Abkantpressen
DE2053700A1 (de) * 1970-11-02 1972-05-10 Chrubasik, Paul, 7129 Ilsfeld Zusatzeinrichtung für Pressen, insbesondere für hydraulische Pressen
US3768400A (en) * 1971-01-22 1973-10-30 Haemmerle Ag Maschf Press having means to prevent skewing movement of the ram
US4170124A (en) * 1975-10-09 1979-10-09 Dreis & Krump Manufacturing Company Hydraulic control system for press brakes and the like
US4759280A (en) * 1986-12-29 1988-07-26 John T. Hepburn, Limited Hydraulic press with adjustable platen clearance
US4809535A (en) * 1987-06-15 1989-03-07 Williams-White Company Hydraulic press and process for molding or forming an article including incrementally variable positioned slide

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB749287A (en) * 1953-02-17 1956-05-23 Hydropress Inc Hydraulic compensating system for presses
DE2013875A1 (de) * 1969-03-29 1970-10-15 Verrina S.p.A,, Genua-Voltri (Italien) Hydraulische Antriebsvorrichtung für Abkantpressen
DE2053700A1 (de) * 1970-11-02 1972-05-10 Chrubasik, Paul, 7129 Ilsfeld Zusatzeinrichtung für Pressen, insbesondere für hydraulische Pressen
US3768400A (en) * 1971-01-22 1973-10-30 Haemmerle Ag Maschf Press having means to prevent skewing movement of the ram
US4170124A (en) * 1975-10-09 1979-10-09 Dreis & Krump Manufacturing Company Hydraulic control system for press brakes and the like
US4759280A (en) * 1986-12-29 1988-07-26 John T. Hepburn, Limited Hydraulic press with adjustable platen clearance
US4809535A (en) * 1987-06-15 1989-03-07 Williams-White Company Hydraulic press and process for molding or forming an article including incrementally variable positioned slide

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314801A1 (de) * 1993-05-05 1994-11-10 Rexroth Mannesmann Gmbh Hydraulische Anlage, insbesondere für eine Abkantpresse
DE4314801B4 (de) * 1993-05-05 2004-09-09 Bosch Rexroth Ag Hydraulische Anlage, insbesondere für eine Abkantpresse
WO2001087513A1 (en) * 2000-05-18 2001-11-22 Airbus Uk Limited Tools and process for forming conical components
EP2722164A1 (en) * 2012-10-18 2014-04-23 Nivora IP B.V. Spring means for device for working sheet-like material
WO2014060195A1 (en) * 2012-10-18 2014-04-24 Nivora Ip B.V. Spring means for device for working sheet-like material
US9440275B2 (en) 2012-10-18 2016-09-13 Nivora Ip B.V. Spring means for device for working sheet-like material

Also Published As

Publication number Publication date
FR2674460B1 (no) 1994-07-13

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Effective date: 20061130