CA1032850A - High response unloading valve and press overload protection system including same - Google Patents

High response unloading valve and press overload protection system including same

Info

Publication number
CA1032850A
CA1032850A CA236,262A CA236262A CA1032850A CA 1032850 A CA1032850 A CA 1032850A CA 236262 A CA236262 A CA 236262A CA 1032850 A CA1032850 A CA 1032850A
Authority
CA
Canada
Prior art keywords
system including
protection system
overload protection
high response
unloading valve
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
CA236,262A
Other languages
English (en)
French (fr)
Inventor
Louis F. Carrieri
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 US05/514,106 external-priority patent/US4015620A/en
Priority claimed from US05/514,107 external-priority patent/US3955396A/en
Application filed by Gulf and Western Manufacturing Co filed Critical Gulf and Western Manufacturing Co
Application granted granted Critical
Publication of CA1032850A publication Critical patent/CA1032850A/en
Expired 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)
CA236,262A 1974-10-11 1975-09-24 High response unloading valve and press overload protection system including same Expired CA1032850A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
CA1032850A true CA1032850A (en) 1978-06-13

Family

ID=27058096

Family Applications (1)

Application Number Title Priority Date Filing Date
CA236,262A Expired CA1032850A (en) 1974-10-11 1975-09-24 High response unloading valve and press overload protection system including same

Country Status (8)

Country Link
AU (1) AU475805B2 (enrdf_load_stackoverflow)
BR (1) BR7506635A (enrdf_load_stackoverflow)
CA (1) CA1032850A (enrdf_load_stackoverflow)
DE (3) DE7531586U (enrdf_load_stackoverflow)
ES (1) ES441700A1 (enrdf_load_stackoverflow)
FR (1) FR2287330A1 (enrdf_load_stackoverflow)
GB (1) GB1485077A (enrdf_load_stackoverflow)
IT (1) IT1047514B (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800832C2 (de) * 1978-01-10 1986-09-04 L. Schuler GmbH, 7320 Göppingen Überlastsicherungsvorrichtung für eine Presse
FR2460410A1 (fr) * 1979-06-28 1981-01-23 Paul Hydraulique Dispositif hydraulique de protection contre les surcharges
DE3305264A1 (de) * 1983-02-16 1984-08-16 L. Schuler GmbH, 7320 Göppingen Einrichtung zur begrenzung der presskraft an mechanischen pressen
DE19532962A1 (de) * 1995-09-07 1997-03-13 Ulrich Keller Steuerventil, insbesondere für hydraulische Überlasteinrichtungen bei Pressen
DE19615926C1 (de) * 1996-04-22 1997-07-17 Fraunhofer Ges Forschung Überlastsicherung für mechanische Pressen
DE19637804A1 (de) * 1996-09-17 1998-03-19 Ulrich Keller Ventileinrichtung, insbesondere für hydraulische Überlastsicherungen bei Pressen
DE19643104A1 (de) * 1996-10-21 1998-04-23 Ulrich Keller Ventileinrichtung, insbesondere für hydraulische Überlasteinrichtungen an Pressen zur vorausschauenden Betätigung des Überlastventils
ES2185434B1 (es) * 1999-06-17 2004-06-16 Fagor, S. Coop. Circuito hidraulico de seguridad en una prensa.
DE10015785B4 (de) * 2000-03-30 2016-05-25 Ulrich Keller Einfache, sichere und schnelle Ventileinrichtung insbesondere für hydraulische Überlasteinrichtungen an Pressen
RU2276636C1 (ru) * 2004-09-29 2006-05-20 Воронежское ЗАО по выпуску тяжелых механических прессов Устройство клапанное для гидравлического предохранителя пресса
CN105697430A (zh) * 2016-01-21 2016-06-22 杭震 液压超载保护装置及具备该装置的机械压力机

Also Published As

Publication number Publication date
AU475805B2 (en) 1976-09-02
DE2544507B2 (enrdf_load_stackoverflow) 1979-04-05
DE7531586U (de) 1976-09-30
ES441700A1 (es) 1977-04-01
FR2287330B1 (enrdf_load_stackoverflow) 1982-03-26
DE2544507C3 (de) 1979-11-29
DE7612882U1 (de) 1976-09-30
DE2544507A1 (de) 1976-09-02
IT1047514B (it) 1980-10-20
AU8431475A (en) 1976-09-02
GB1485077A (en) 1977-09-08
BR7506635A (pt) 1976-08-17
FR2287330A1 (fr) 1976-05-07

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