GB1351278A - Overload protection for presses - Google Patents

Overload protection for presses

Info

Publication number
GB1351278A
GB1351278A GB645673A GB645673A GB1351278A GB 1351278 A GB1351278 A GB 1351278A GB 645673 A GB645673 A GB 645673A GB 645673 A GB645673 A GB 645673A GB 1351278 A GB1351278 A GB 1351278A
Authority
GB
United Kingdom
Prior art keywords
presses
pressure
overload protection
counter pressure
feb
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
GB645673A
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.)
L Schuler GmbH
Original Assignee
L Schuler GmbH
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 L Schuler GmbH filed Critical L Schuler GmbH
Publication of GB1351278A publication Critical patent/GB1351278A/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)
  • Press Drives And Press Lines (AREA)
  • Control Of Presses (AREA)

Abstract

1351278 Presses L SCHULER GmbH 9 Feb 1973 [10 Feb 1972] 6456/73 Heading B3H [Also in Divisions B5 and F2] An overload protection device for a press comprises a reservoir 2 of pressurized liquid adapted to transmit force from a press drive 3-6 to a press ram 1, and a pressure relief valve 23 normally held closed by hydraulic counter pressure in chamber 18, but arranged when excess pressure in the reservoir opens it to open a second valve 27 which releases the counter pressure. A pump 9 supplies counter pressure for both valves.
GB645673A 1972-02-10 1973-02-09 Overload protection for presses Expired GB1351278A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2206314 1972-02-10

Publications (1)

Publication Number Publication Date
GB1351278A true GB1351278A (en) 1974-04-24

Family

ID=5835636

Family Applications (1)

Application Number Title Priority Date Filing Date
GB645673A Expired GB1351278A (en) 1972-02-10 1973-02-09 Overload protection for presses

Country Status (4)

Country Link
JP (1) JPS4892960A (en)
FR (1) FR2171396B1 (en)
GB (1) GB1351278A (en)
IT (1) IT978884B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800832A1 (en) * 1978-01-10 1979-07-12 Schuler Gmbh L Overload safeguard system for press - has pressure cushion in hydraulic fluid circuit reacting on counter-pressure system
CN103334974A (en) * 2013-06-18 2013-10-02 福建海源自动化机械股份有限公司 Self-adaptive multistage pressure relief controlled press liquid filling device
CN103334975A (en) * 2013-06-18 2013-10-02 福建海源自动化机械股份有限公司 Multi-runner compound-control compressor charging device

Families Citing this family (1)

* 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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800832A1 (en) * 1978-01-10 1979-07-12 Schuler Gmbh L Overload safeguard system for press - has pressure cushion in hydraulic fluid circuit reacting on counter-pressure system
CN103334974A (en) * 2013-06-18 2013-10-02 福建海源自动化机械股份有限公司 Self-adaptive multistage pressure relief controlled press liquid filling device
CN103334975A (en) * 2013-06-18 2013-10-02 福建海源自动化机械股份有限公司 Multi-runner compound-control compressor charging device
CN103334974B (en) * 2013-06-18 2015-10-28 福建海源自动化机械股份有限公司 A kind of adaptive multistage unloads the press charging device of pressure-controlled
CN103334975B (en) * 2013-06-18 2015-10-28 福建海源自动化机械股份有限公司 A kind of press charging device of multiple flow passages complex controll

Also Published As

Publication number Publication date
JPS4892960A (en) 1973-12-01
IT978884B (en) 1974-09-20
FR2171396B1 (en) 1979-03-30
FR2171396A1 (en) 1973-09-21

Similar Documents

Publication Publication Date Title
GB1188877A (en) Improvements in or relating to Brake Cylinders.
ES462839A1 (en) Device for hydraulic braking system incorporating antiskid control apparatus
GB1252410A (en)
GB1351278A (en) Overload protection for presses
GB1337943A (en) Screw press
ES426288A1 (en) Fluid pressure modulator and system
GB1482840A (en) Hydraulic motor
ES414342A1 (en) Fluid ram provided with means for braking the ram piston at the end of its stroke
AU5716873A (en) Pressure relief valve or fluid pressure relief valve
GB1339934A (en) Hydraulic press
GB1344100A (en) Gear pumps
GB1400682A (en) Apparatus for regulating pumps
GB1314793A (en) Hydraulic load control apparatus
GB1437703A (en) Hydraulic pressure control valve
GB1372640A (en) Overload protective device for presses
GB1074240A (en) Improvements in or relating to hydraulic cushion for dies
GB1176591A (en) Improvements in Hydro-Mechanical Deep Drawing
GB1213935A (en) Improvements in or relating to inking apparatus for rotary printing presses
GB1118234A (en)
GB1440548A (en) Control system for hydraulic presses
GB1373919A (en) Hydraulic presses
GB1257467A (en)
GB887617A (en) Control means for varying the load applied hydraulically by a piston
GB205450A (en) Improvements relating to hydraulic tipping devices for lorries
GB1460664A (en) Agricultural machine having a working implement arranged to be movable in height

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee