GB1380771A - Safety device for controlling the feed of a pressurised medium to a consumer - Google Patents

Safety device for controlling the feed of a pressurised medium to a consumer

Info

Publication number
GB1380771A
GB1380771A GB1825472A GB1825472A GB1380771A GB 1380771 A GB1380771 A GB 1380771A GB 1825472 A GB1825472 A GB 1825472A GB 1825472 A GB1825472 A GB 1825472A GB 1380771 A GB1380771 A GB 1380771A
Authority
GB
United Kingdom
Prior art keywords
valve
consumer
valves
safety
feed
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
GB1825472A
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.)
Festo Maschinenfabrik Gottlieb Stoll Firma
Original Assignee
Festo Maschinenfabrik Gottlieb Stoll Firma
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 Festo Maschinenfabrik Gottlieb Stoll Firma filed Critical Festo Maschinenfabrik Gottlieb Stoll Firma
Publication of GB1380771A publication Critical patent/GB1380771A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/18—Control arrangements requiring the use of both hands
    • F16P3/22—Control arrangements requiring the use of both hands for hydraulic or pneumatic control systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

1380771 Machinery safety devices FESTOMASCHINENFABRIK GOTTLIEB STOLL 19 April 1972 [3 May 1971] 18254/72 Heading F2J A safety device for controlling the feed of pressurized medium to a consumer A, for example to control flow of compressed air to the ram of a press, comprises two valves 1, 2 which must be manually actuated simulatneously to allow air pressure through both sides of a valve 10 and, via a line 4a, through a safety valve 3 and lines 4b. 4c to the consumer A, the safety valve 3 being urged to its closed position against spring action if only one of the valves 1, 2 is actuated. The actuation of only one of the valves 1, 2 moves a closure member 9 in valve 10 to shut-off communication with line 4a, and via a non-return valve 11, lines 6b, 6c, and a restriction 7, pressure is built up in a retarding chamber 8 to act on a closure member 12 in valve 3 so that pressurized medium is not fed to consumer A even if the other manual valve 1, 2 is subsequently actuated. The system includes a ventilator pipe R and a non-return safety valve 50.
GB1825472A 1971-05-03 1972-04-19 Safety device for controlling the feed of a pressurised medium to a consumer Expired GB1380771A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712121528 DE2121528C3 (en) 1971-05-03 1971-05-03 Pneumatic two-hand engagement control for a compressed air consumer

Publications (1)

Publication Number Publication Date
GB1380771A true GB1380771A (en) 1975-01-15

Family

ID=5806555

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1825472A Expired GB1380771A (en) 1971-05-03 1972-04-19 Safety device for controlling the feed of a pressurised medium to a consumer

Country Status (6)

Country Link
CH (1) CH531672A (en)
DE (1) DE2121528C3 (en)
FR (1) FR2135678B1 (en)
GB (1) GB1380771A (en)
IT (1) IT951194B (en)
NL (1) NL169440C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6758241B1 (en) 1999-10-15 2004-07-06 Imi Norgren-Herion Fluidtronic Gmbh & Co. Kg Safety valve

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466700B1 (en) * 1979-10-05 1985-10-04 Crouzet Sa PNEUMATIC CONTROL BLOCK FOR TWO-MANUAL SECURITY
DE19950004A1 (en) * 1999-10-15 2001-05-10 Imi Norgren Herion Fluidtronic Gmbh & Co Kg Device for dynamic monitoring of pressure differences

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1256547B (en) * 1959-11-20 1967-12-14 Ross Operating Valve Co Safety control device
DE1245662B (en) * 1962-11-09 1967-07-27 Ludwig Rexroth Piston valve
AT280792B (en) * 1968-08-13 1970-04-27 Voest Ag Engaging device for pressing, punching or the like.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6758241B1 (en) 1999-10-15 2004-07-06 Imi Norgren-Herion Fluidtronic Gmbh & Co. Kg Safety valve

Also Published As

Publication number Publication date
NL169440B (en) 1982-02-16
DE2121528B2 (en) 1978-01-05
IT951194B (en) 1973-06-30
NL7204072A (en) 1972-11-07
FR2135678B1 (en) 1974-03-22
NL169440C (en) 1982-07-16
FR2135678A1 (en) 1972-12-22
DE2121528C3 (en) 1983-05-05
CH531672A (en) 1972-12-15
DE2121528A1 (en) 1972-11-23

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Legal Events

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