GB871019A - Overload relief device for power presses - Google Patents

Overload relief device for power presses

Info

Publication number
GB871019A
GB871019A GB20431/57A GB2043157A GB871019A GB 871019 A GB871019 A GB 871019A GB 20431/57 A GB20431/57 A GB 20431/57A GB 2043157 A GB2043157 A GB 2043157A GB 871019 A GB871019 A GB 871019A
Authority
GB
United Kingdom
Prior art keywords
piston
pressure
cylinder
oil
relief
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
GB20431/57A
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.)
Danly Machine Specialties Inc
Original Assignee
Danly Machine Specialties Inc
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 Danly Machine Specialties Inc filed Critical Danly Machine Specialties Inc
Publication of GB871019A publication Critical patent/GB871019A/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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2605—Pressure responsive

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Presses (AREA)
  • Press Drives And Press Lines (AREA)
GB20431/57A 1956-10-31 1957-06-28 Overload relief device for power presses Expired GB871019A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US619456A US2937733A (en) 1956-10-31 1956-10-31 Overload relief assembly for power presses

Publications (1)

Publication Number Publication Date
GB871019A true GB871019A (en) 1961-06-21

Family

ID=24482011

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20431/57A Expired GB871019A (en) 1956-10-31 1957-06-28 Overload relief device for power presses

Country Status (4)

Country Link
US (1) US2937733A (de)
DE (2) DE1300029B (de)
FR (1) FR1178667A (de)
GB (1) GB871019A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2235404A (en) * 1989-05-09 1991-03-06 Aida Eng Ltd Overload protector for press machine

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH386783A (de) * 1961-06-13 1965-01-15 Massey Schlatter Ag Hydraulische Überlast-Sicherungsvorrichtung
US3208219A (en) * 1964-03-25 1965-09-28 Floyd M Williamson Hydraulic system for dies
US3160089A (en) * 1964-04-09 1964-12-08 Niagara Machine & Tool Works Overload relief system for power presses
FR94158E (fr) * 1965-08-26 1969-07-11 Aida Iron Works & Co Dispositif se sécurité dans une machine de compression.
US3407913A (en) * 1965-08-26 1968-10-29 Aida Iron Works & Co Ltd Safety device in press machine and control device therefor
US4015620A (en) * 1974-10-11 1977-04-05 Gulf & Western Manufacturing Company High response unloading valve
US4030336A (en) * 1976-07-09 1977-06-21 Anatoly Sergeevich Grigorenko Hydraulic protection device for presses
FR2471275A1 (fr) * 1979-12-14 1981-06-19 Ew Bliss Co Paris Procede et dispositif de protection d'une presse a bati assemble
US5638748A (en) * 1996-01-25 1997-06-17 The Minster Machine Company Hydraulic overload proportional valving system for a mechanical press
CN114749949B (zh) * 2022-05-18 2023-03-28 无锡贝斯特精机股份有限公司 一种保持夹紧力的液压夹具锁紧机构

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2732851A (en) * 1956-01-31 ashley etal
GB189261A (en) * 1921-09-06 1922-11-30 Massey Ltd B & S Improvements in power presses
US1971937A (en) * 1929-01-16 1934-08-28 Firm L Schuler Ag Power press
US1844250A (en) * 1930-02-01 1932-02-09 Mccord Radiator & Mfg Company Draw press
DE581753C (de) * 1930-09-13 1933-08-02 Schuler L Ag Pressengestell fuer Pressen mit zusammengesetztem Koerper und Fuehrungswerkzeugen
DE614154C (de) * 1933-06-13 1935-06-03 Schuler L Ag Kurbelpresse mit in mehreren Punkten gemeinsam angetriebenem, hydraulisch abgestuetztem Stoessel
DE657540C (de) * 1935-11-20 1938-03-07 Weingarten Vorm Hch Schatz A G Kurbelpresse mit einem gegen mehrere Antriebspunkte durch Fluessigkeitspolster abgestuetzten Stoessel
US2270943A (en) * 1939-03-07 1942-01-27 Messerschmitt Boelkow Blohm Hydraulic system
US2270549A (en) * 1940-01-20 1942-01-20 Gen Tire & Rubber Co Control valve for fluid operated devices
US2286798A (en) * 1940-05-16 1942-06-16 Hydraulic Dev Corp Inc Hydraulic circuit for press brakes
US2367682A (en) * 1943-04-09 1945-01-23 Adel Prec Products Corp Landing gear by-pass valve
US2491279A (en) * 1947-06-25 1949-12-13 Dayton Rogers Mfg Co Safety overload pitman for power presses
US2616543A (en) * 1949-03-19 1952-11-04 Danly Mach Specialties Inc Safety assembly for power presses
DE872733C (de) * 1951-11-16 1953-04-02 Karl Keck Presse mit in mehreren Punkten angetriebenem Stoessel
US2790305A (en) * 1953-01-20 1957-04-30 Electraulic Presses Ltd Control valves for hydraulic presses
US2770342A (en) * 1954-02-01 1956-11-13 Us Industries Inc Overload release assembly for power presses

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2235404A (en) * 1989-05-09 1991-03-06 Aida Eng Ltd Overload protector for press machine
GB2235404B (en) * 1989-05-09 1993-01-13 Aida Eng Ltd Overload protector for press machine

Also Published As

Publication number Publication date
US2937733A (en) 1960-05-24
DE1752358B1 (de) 1970-08-27
DE1300029B (de) 1969-07-24
FR1178667A (fr) 1959-05-13

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