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GRAVURES CHIMIQUES ETS DE
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GRAVURES CHIMIQUES ETS DE
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Application filed by GRAVURES CHIMIQUES ETS DEfiledCriticalGRAVURES CHIMIQUES ETS DE
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Publication of FR705952ApublicationCriticalpatent/FR705952A/fr
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
F16P3/001—Safety devices for guarding the human operator of punch presses or like machine tools performing an opening and closing travel
F16P3/005—Safety devices for guarding the human operator of punch presses or like machine tools performing an opening and closing travel having a movable screen or a sensor influencing the switching system
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FR705952D1930-11-201930-11-20Dispositif de sécurité applicable à divers appareils ou machines et notamment aux presses
ExpiredFR705952A
(fr)