FR981268A - Improvements to machine tools - Google Patents

Improvements to machine tools

Info

Publication number
FR981268A
FR981268A FR981268DA FR981268A FR 981268 A FR981268 A FR 981268A FR 981268D A FR981268D A FR 981268DA FR 981268 A FR981268 A FR 981268A
Authority
FR
France
Prior art keywords
machine tools
tools
machine
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
Other languages
French (fr)
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.)
Automobiles Citroen SA
Original Assignee
Andre Citroen SA
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 Andre Citroen SA filed Critical Andre Citroen SA
Application granted granted Critical
Publication of FR981268A publication Critical patent/FR981268A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/088—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices operating with electric fields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/54—Arrangements or details not restricted to group B23Q5/02 or group B23Q5/22 respectively, e.g. control handles
    • B23Q5/58—Safety devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G21/00—Safety guards or devices specially designed for other wood-working machines auxiliary devices facilitating proper operation of said wood-working machines
    • 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
    • F16P3/148—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 capacitive technology

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Electromagnetism (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
FR981268D 1943-03-25 1943-03-25 Improvements to machine tools Expired FR981268A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR899881X 1943-03-25

Publications (1)

Publication Number Publication Date
FR981268A true FR981268A (en) 1951-05-24

Family

ID=9392438

Family Applications (1)

Application Number Title Priority Date Filing Date
FR981268D Expired FR981268A (en) 1943-03-25 1943-03-25 Improvements to machine tools

Country Status (2)

Country Link
DE (2) DE899881C (en)
FR (1) FR981268A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004061361A1 (en) * 2002-12-23 2004-07-22 Robert Bosch Gmbh Device for protecting against accidental contact and method for protecting against accidental contact of a displaceable part

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1299205B (en) * 1959-11-17 1969-07-10 Langenstein & Schemann Ag Erns Machine tool with a tool carrier whose position in relation to the machine stand can be detected capacitively
DE1266861B (en) * 1963-01-22 1968-04-25 Siemens Ag Electrical safety circuit for the two-hand indentation of presses, punching machines and similar machine tools
BE635664A (en) * 1963-07-12 1963-11-18
DE1301939B (en) * 1964-01-23 1969-08-28 Werkzeugmaschinenfabrik Veb Electrical safety device for presses, injection or compression molding machines or the like.
DE1291965B (en) * 1964-09-01 1969-04-03 Hi Wave Kogyo Co Ltd Circuit for the electrical control of a valve
DE102008054701A1 (en) * 2008-12-16 2010-06-17 Robert Bosch Gmbh guard

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004061361A1 (en) * 2002-12-23 2004-07-22 Robert Bosch Gmbh Device for protecting against accidental contact and method for protecting against accidental contact of a displaceable part
US7173537B2 (en) 2002-12-23 2007-02-06 Robert Bosch Gmbh Device for protecting against accidental contact and method for protecting against accidental contact of a displaceable part
EP1826473A3 (en) * 2002-12-23 2008-01-23 Robert Bosch GmbH Device for protecting against accidental contact and method for protecting against accidental contact of a displaceable part
CN100396990C (en) * 2002-12-23 2008-06-25 罗伯特·博世有限公司 Device for protecting against accidental contact and method for protecting against accidental contact of a displaceable part
CN101311611B (en) * 2002-12-23 2010-06-16 罗伯特·博世有限公司 Device for protecting against accidental contact and method for protecting against accidental contact of a displaceable part

Also Published As

Publication number Publication date
DE981268C (en) 1900-01-01
DE899881C (en) 1953-12-17

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