IT1142674B - Perfezionamento nelle presse idrauliche - Google Patents
Perfezionamento nelle presse idraulicheInfo
- Publication number
- IT1142674B IT1142674B IT48531/81A IT4853181A IT1142674B IT 1142674 B IT1142674 B IT 1142674B IT 48531/81 A IT48531/81 A IT 48531/81A IT 4853181 A IT4853181 A IT 4853181A IT 1142674 B IT1142674 B IT 1142674B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- hydraulic presses
- presses
- hydraulic
- Prior art date
Links
Classifications
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Press Drives And Press Lines (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6904280A JPS56165521A (en) | 1980-05-26 | 1980-05-26 | Press brake |
JP6904180A JPS56165520A (en) | 1980-05-26 | 1980-05-26 | Press brake |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8148531A0 IT8148531A0 (it) | 1981-05-26 |
IT1142674B true IT1142674B (it) | 1986-10-15 |
Family
ID=26410219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48531/81A IT1142674B (it) | 1980-05-26 | 1981-05-26 | Perfezionamento nelle presse idrauliche |
Country Status (8)
Country | Link |
---|---|
US (1) | US4366699A (it) |
CA (1) | CA1153290A (it) |
CH (1) | CH652620A5 (it) |
DE (1) | DE3120828C2 (it) |
FR (1) | FR2482880A1 (it) |
GB (2) | GB2076324B (it) |
IT (1) | IT1142674B (it) |
SE (2) | SE448440B (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH655874A5 (de) * | 1982-06-07 | 1986-05-30 | Haemmerle Ag Maschf | Werkzeugeinrichtung an einer abkantpresse. |
US4672831A (en) * | 1983-09-21 | 1987-06-16 | Amada Company, Limited | Bending press |
FR2655907B1 (fr) * | 1989-12-19 | 1993-07-30 | Plazenet Jean | Presse plieuse hydraulique a tablier inferieur mobile. |
EP0769336B1 (en) * | 1994-07-08 | 2003-01-29 | Amada Company, Limited | Method for bending with press brake and press brake for use therein |
EP2908961B1 (en) * | 2012-10-22 | 2019-08-14 | Adira - Metal Forming Solutions, S.A. | Press brake |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1900050A (en) * | 1931-02-24 | 1933-03-07 | Hydraulic Press Mfg Co | Hydraulic press platen travel equalizer |
DE749720C (de) * | 1940-04-13 | 1944-12-02 | Elektrisch-hydraulisch betaetigte Abkant- und Rundbiegemaschine | |
GB640605A (en) * | 1948-04-30 | 1950-07-26 | Charles Joseph Rhodes | Improvements in and relating to machines for bending sheets or plates of metal |
GB659122A (en) * | 1949-04-04 | 1951-10-17 | Charles Joseph Rhodes | Machines for bending sheets and plates of metal |
GB671547A (en) * | 1949-12-13 | 1952-05-07 | Pacific Ind Mfg Co | Improvements relating to presses |
GB756801A (en) * | 1954-03-04 | 1956-09-12 | Pacific Ind Mfg Co | Precision depth stop for press brakes and the like |
GB799460A (en) * | 1955-09-05 | 1958-08-06 | Promecam Soc | Improvements in metal-bending presses |
US3007508A (en) * | 1955-09-05 | 1961-11-07 | Promecam | Sheet-metal bending press |
DE1155017B (de) * | 1957-09-27 | 1963-09-26 | Wagner & Co Werkzeugmaschinenf | Parallelsteuerung fuer hydraulische Mehrzylinderpressen |
AT216891B (de) * | 1959-10-31 | 1961-08-25 | Haemmerle Ag Maschf | Verfahren zur Steuerung von Pressen und Einrichtung zur Ausübung des Verfahrens |
GB922933A (en) * | 1960-01-06 | 1963-04-03 | Steel Construction & Eng Co | Improvements in or relating to guillotines and press brakes |
DE1126249B (de) * | 1960-12-15 | 1962-03-22 | Schweizerische Lokomotiv | Parallelsteuereinrichtung fuer eine hydraulische Presse |
FR1362471A (fr) * | 1963-02-28 | 1964-06-05 | Promecam Ets | Perfectionnements aux presses plieuses |
SE309401B (it) * | 1965-06-10 | 1969-03-24 | Ursvikens Mek Verk | |
GB1163814A (en) * | 1967-02-02 | 1969-09-10 | Dougals Barnes Ltd | Improvements in or relating to Bending and Cutting Machines |
FR1519749A (fr) * | 1967-02-21 | 1968-04-05 | Promecam Sisson Lehmann Soc | Machine hydraulique pour le travail des métaux en feuille |
FR1539817A (fr) * | 1967-07-26 | 1968-09-20 | Promecam Sisson Lehmann Soc | Machine hydraulique pour la déformation de métaux en feuilles |
US3524384A (en) * | 1968-04-10 | 1970-08-18 | Pacific Press & Shear Corp | Stroke control for ram type machine |
DE1940787A1 (de) * | 1969-08-11 | 1971-02-25 | Kettler Paul Erich | Dachplatte fuer Schutzrahmen an Schleppern,Traktoren und Baumaschinen,die zunaechst nicht mit einer Frontscheibe ausgeruestet sind |
AT293881B (de) * | 1969-09-11 | 1971-10-25 | Voest Ag | Gleichlaufsteuerung für zwei oder mehrere hydraulische Druckwerke |
US3730313A (en) * | 1971-05-03 | 1973-05-01 | Verson Allsteel Press Co | Control system for a plural speed press |
US3874205A (en) * | 1974-02-19 | 1975-04-01 | Hurco Mfg Co Inc | Digitally controlled multiple depth stop and return stroke limit control for press brakes |
GB1440882A (en) * | 1974-06-06 | 1976-06-30 | Promecan Sisson Lehmann | Stroke-end programmers for machine tools notably bending presses or the like |
FR2347992A1 (fr) * | 1976-04-13 | 1977-11-10 | Promecan Sisson Lehmann | Presse plieuse ou machine analogue |
JPS5427671A (en) * | 1977-07-30 | 1979-03-01 | Amada Co Ltd | Stroke adjusting device of cylinder mfchanism |
FR2411698A1 (fr) * | 1977-12-13 | 1979-07-13 | Promecan Sisson Lehmann | Machine pour le formage de metaux en feuille, notamment presse plieuse hydraulique |
JPS54129573A (en) * | 1978-03-31 | 1979-10-08 | Amada Co Ltd | Stroke controller in bending machine |
-
1981
- 1981-05-22 GB GB8115873A patent/GB2076324B/en not_active Expired
- 1981-05-22 US US06/266,320 patent/US4366699A/en not_active Expired - Lifetime
- 1981-05-25 CA CA000378225A patent/CA1153290A/en not_active Expired
- 1981-05-25 SE SE8103288A patent/SE448440B/sv not_active IP Right Cessation
- 1981-05-25 CH CH3413/81A patent/CH652620A5/de not_active IP Right Cessation
- 1981-05-26 FR FR8110448A patent/FR2482880A1/fr active Granted
- 1981-05-26 DE DE3120828A patent/DE3120828C2/de not_active Expired
- 1981-05-26 IT IT48531/81A patent/IT1142674B/it active
-
1984
- 1984-07-03 GB GB08416851A patent/GB2139931B/en not_active Expired
-
1986
- 1986-03-04 SE SE8600982A patent/SE462027B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3120828A1 (de) | 1982-04-08 |
DE3120828C2 (de) | 1986-07-03 |
GB2139931B (en) | 1985-06-05 |
SE448440B (sv) | 1987-02-23 |
GB2076324B (en) | 1985-06-19 |
SE8600982D0 (sv) | 1986-03-04 |
FR2482880B1 (it) | 1985-04-05 |
GB8416851D0 (en) | 1984-08-08 |
CH652620A5 (de) | 1985-11-29 |
IT8148531A0 (it) | 1981-05-26 |
GB2076324A (en) | 1981-12-02 |
CA1153290A (en) | 1983-09-06 |
SE8103288L (sv) | 1981-11-27 |
SE8600982L (sv) | 1986-03-04 |
FR2482880A1 (fr) | 1981-11-27 |
GB2139931A (en) | 1984-11-21 |
SE462027B (sv) | 1990-04-30 |
US4366699A (en) | 1983-01-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960412 |