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FR2287330A1 - PROTECTION DEVICE FOR A MECHANICAL PRESS AGAINST OVERLOADS AND AUTOMATIC ULTRA-QUICK OPENING SAFETY VALVE - Google Patents

PROTECTION DEVICE FOR A MECHANICAL PRESS AGAINST OVERLOADS AND AUTOMATIC ULTRA-QUICK OPENING SAFETY VALVE

Info

Publication number
FR2287330A1
FR2287330A1 FR7531119A FR7531119A FR2287330A1 FR 2287330 A1 FR2287330 A1 FR 2287330A1 FR 7531119 A FR7531119 A FR 7531119A FR 7531119 A FR7531119 A FR 7531119A FR 2287330 A1 FR2287330 A1 FR 2287330A1
Authority
FR
France
Prior art keywords
protection device
safety valve
press against
mechanical press
quick opening
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
FR7531119A
Other languages
French (fr)
Other versions
FR2287330B1 (en
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.)
Gulf and Western Manufacturing Co
Original Assignee
Gulf and Western Manufacturing Co
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
Priority claimed from US05/514,107 external-priority patent/US3955396A/en
Priority claimed from US05/514,106 external-priority patent/US4015620A/en
Application filed by Gulf and Western Manufacturing Co filed Critical Gulf and Western Manufacturing Co
Publication of FR2287330A1 publication Critical patent/FR2287330A1/en
Application granted granted Critical
Publication of FR2287330B1 publication Critical patent/FR2287330B1/fr
Granted legal-status Critical Current

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
    • B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
    • B30B15/281—Arrangements for preventing distortion of, or damage to, presses or parts thereof overload limiting devices
    • B30B15/284—Arrangements for preventing distortion of, or damage to, presses or parts thereof overload limiting devices releasing fluid from a fluid chamber subjected to overload pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Control Of Presses (AREA)
FR7531119A 1974-10-11 1975-10-10 PROTECTION DEVICE FOR A MECHANICAL PRESS AGAINST OVERLOADS AND AUTOMATIC ULTRA-QUICK OPENING SAFETY VALVE Granted FR2287330A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/514,107 US3955396A (en) 1974-10-11 1974-10-11 Press overload protection system
US05/514,106 US4015620A (en) 1974-10-11 1974-10-11 High response unloading valve

Publications (2)

Publication Number Publication Date
FR2287330A1 true FR2287330A1 (en) 1976-05-07
FR2287330B1 FR2287330B1 (en) 1982-03-26

Family

ID=27058096

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7531119A Granted FR2287330A1 (en) 1974-10-11 1975-10-10 PROTECTION DEVICE FOR A MECHANICAL PRESS AGAINST OVERLOADS AND AUTOMATIC ULTRA-QUICK OPENING SAFETY VALVE

Country Status (8)

Country Link
AU (1) AU475805B2 (en)
BR (1) BR7506635A (en)
CA (1) CA1032850A (en)
DE (3) DE7612882U1 (en)
ES (1) ES441700A1 (en)
FR (1) FR2287330A1 (en)
GB (1) GB1485077A (en)
IT (1) IT1047514B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2460410A1 (en) * 1979-06-28 1981-01-23 Paul Hydraulique Hydraulic circuit overpressure protection valve - has relief valve connected to differential piston to detect surges
CN105697430A (en) * 2016-01-21 2016-06-22 杭震 Hydraulic overload protection device and mechanical press with hydraulic overload protection device

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800832C2 (en) * 1978-01-10 1986-09-04 L. Schuler GmbH, 7320 Göppingen Overload protection device for a press
DE3305264A1 (en) * 1983-02-16 1984-08-16 L. Schuler GmbH, 7320 Göppingen Device for limiting the pressing force on mechanical presses
DE19532962A1 (en) * 1995-09-07 1997-03-13 Ulrich Keller Hydraulic overload control valve, esp. on presses
DE19615926C1 (en) * 1996-04-22 1997-07-17 Fraunhofer Ges Forschung Overload-fuse device for power path of mechanical press
DE19637804A1 (en) * 1996-09-17 1998-03-19 Ulrich Keller Valve unit for hydraulic overload safety in presses
DE19643104A1 (en) * 1996-10-21 1998-04-23 Ulrich Keller Valve mechanism, especially for hydraulic overload protection of presses
ES2185434B1 (en) * 1999-06-17 2004-06-16 Fagor, S. Coop. HYDRAULIC SECURITY CIRCUIT IN A PRESS.
DE10015785B4 (en) * 2000-03-30 2016-05-25 Ulrich Keller Simple, safe and fast valve device, especially for hydraulic overload devices on presses
RU2276636C1 (en) * 2004-09-29 2006-05-20 Воронежское ЗАО по выпуску тяжелых механических прессов Valving device for hydraulic press safety device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2460410A1 (en) * 1979-06-28 1981-01-23 Paul Hydraulique Hydraulic circuit overpressure protection valve - has relief valve connected to differential piston to detect surges
CN105697430A (en) * 2016-01-21 2016-06-22 杭震 Hydraulic overload protection device and mechanical press with hydraulic overload protection device

Also Published As

Publication number Publication date
FR2287330B1 (en) 1982-03-26
ES441700A1 (en) 1977-04-01
DE7612882U1 (en) 1976-09-30
DE2544507B2 (en) 1979-04-05
IT1047514B (en) 1980-10-20
BR7506635A (en) 1976-08-17
AU8431475A (en) 1976-09-02
AU475805B2 (en) 1976-09-02
DE2544507C3 (en) 1979-11-29
CA1032850A (en) 1978-06-13
DE2544507A1 (en) 1976-09-02
DE7531586U (en) 1976-09-30
GB1485077A (en) 1977-09-08

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse