GB1485077A - 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
GB1485077A
GB1485077A GB3575275A GB3575275A GB1485077A GB 1485077 A GB1485077 A GB 1485077A GB 3575275 A GB3575275 A GB 3575275A GB 3575275 A GB3575275 A GB 3575275A GB 1485077 A GB1485077 A GB 1485077A
Authority
GB
United Kingdom
Prior art keywords
chamber
spool
pressure
press
movement
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
GB3575275A
Other languages
English (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 US05/514,106 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
Publication of GB1485077A publication Critical patent/GB1485077A/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)
GB3575275A 1974-10-11 1975-08-29 High response unloading valve and press overload protection system including same Expired GB1485077A (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
GB1485077A true GB1485077A (en) 1977-09-08

Family

ID=27058096

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3575275A Expired GB1485077A (en) 1974-10-11 1975-08-29 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) DE2544507C3 (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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19532962A1 (de) * 1995-09-07 1997-03-13 Ulrich Keller Steuerventil, insbesondere für hydraulische Überlasteinrichtungen bei Pressen

Families Citing this family (10)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19532962A1 (de) * 1995-09-07 1997-03-13 Ulrich Keller Steuerventil, insbesondere für hydraulische Überlasteinrichtungen bei Pressen

Also Published As

Publication number Publication date
AU475805B2 (en) 1976-09-02
AU8431475A (en) 1976-09-02
FR2287330B1 (enrdf_load_stackoverflow) 1982-03-26
DE7612882U1 (de) 1976-09-30
DE7531586U (de) 1976-09-30
DE2544507A1 (de) 1976-09-02
IT1047514B (it) 1980-10-20
ES441700A1 (es) 1977-04-01
BR7506635A (pt) 1976-08-17
CA1032850A (en) 1978-06-13
FR2287330A1 (fr) 1976-05-07
DE2544507B2 (enrdf_load_stackoverflow) 1979-04-05
DE2544507C3 (de) 1979-11-29

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920829