ZA754039B - Improvements relating to safety devices - Google Patents

Improvements relating to safety devices

Info

Publication number
ZA754039B
ZA754039B ZA00754039A ZA754039A ZA754039B ZA 754039 B ZA754039 B ZA 754039B ZA 00754039 A ZA00754039 A ZA 00754039A ZA 754039 A ZA754039 A ZA 754039A ZA 754039 B ZA754039 B ZA 754039B
Authority
ZA
South Africa
Prior art keywords
safety devices
improvements relating
relating
safety
devices
Prior art date
Application number
ZA00754039A
Inventor
W Jones
C Solf
Original Assignee
Vega Cantley Instr Co Ltd
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 Vega Cantley Instr Co Ltd filed Critical Vega Cantley Instr Co Ltd
Publication of ZA754039B publication Critical patent/ZA754039B/en

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
    • F16P3/12—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 with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—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 with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
    • F16P3/144—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 with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using light grids

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Optical Communication System (AREA)
  • Particle Accelerators (AREA)
  • Electronic Switches (AREA)
ZA00754039A 1974-07-04 1976-06-24 Improvements relating to safety devices ZA754039B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2971674 1974-07-04

Publications (1)

Publication Number Publication Date
ZA754039B true ZA754039B (en) 1976-06-30

Family

ID=10295980

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00754039A ZA754039B (en) 1974-07-04 1976-06-24 Improvements relating to safety devices

Country Status (10)

Country Link
JP (1) JPS5127475A (en)
AU (1) AU8263575A (en)
BE (1) BE830942A (en)
DE (1) DE2530000A1 (en)
DK (1) DK290275A (en)
FR (1) FR2277387A1 (en)
LU (1) LU72899A1 (en)
NL (1) NL7507974A (en)
SE (1) SE7507246L (en)
ZA (1) ZA754039B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2753571C2 (en) * 1977-12-01 1982-07-01 Schneiderwerk Lübeck, Graphische Maschinen- und Apparatebau GmbH, 2400 Lübeck Protective device for securing and monitoring dangerous work areas on machines
JPS55100127A (en) * 1979-01-24 1980-07-30 Unitika Ltd Manufacture of polyamide film of improved slip property
JPS57136600U (en) * 1981-02-17 1982-08-26
DE3113547C2 (en) * 1981-04-03 1983-08-18 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Alternating light barrier that can be connected directly to an alternating voltage network
JPS59140994A (en) * 1983-01-31 1984-08-13 株式会社小松製作所 Ray type safety device
US4533509A (en) * 1983-04-28 1985-08-06 Mobil Oil Corporation Low coefficient of friction film structure and method of forming the same
DE3611408A1 (en) * 1986-04-04 1987-10-15 Kaltenbach & Voigt CIRCUIT ARRANGEMENT FOR DETERMINING THE EXISTENCE OR. THE EXTRACTION OF OBJECTS, IN PARTICULAR OF DENTAL TREATMENT INSTRUMENTS, IN OR FROM RECORDINGS
DE3700617A1 (en) * 1987-01-10 1988-07-21 Dirk Leimbach Signal barrier safety device
US5272383A (en) * 1989-04-21 1993-12-21 Shinkoh Electric Co., Ltd. Method and apparatus for preventing erroneous operation in non-contact push-button switch
AUPN744696A0 (en) * 1996-01-05 1996-02-01 Appleyard, Thomas John Safety apparatus and protection method for machines
DE102012111433B4 (en) * 2012-11-26 2017-12-14 Pilz Auslandsbeteiligungen Gmbh Opto-electric protective device for securing a danger spot

Also Published As

Publication number Publication date
DK290275A (en) 1976-01-05
DE2530000A1 (en) 1976-01-22
FR2277387A1 (en) 1976-01-30
BE830942A (en) 1975-11-03
NL7507974A (en) 1976-01-06
SE7507246L (en) 1976-01-05
LU72899A1 (en) 1975-12-09
AU8263575A (en) 1977-01-06
JPS5127475A (en) 1976-03-08

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