FR2372664B3 - - Google Patents

Info

Publication number
FR2372664B3
FR2372664B3 FR7736170A FR7736170A FR2372664B3 FR 2372664 B3 FR2372664 B3 FR 2372664B3 FR 7736170 A FR7736170 A FR 7736170A FR 7736170 A FR7736170 A FR 7736170A FR 2372664 B3 FR2372664 B3 FR 2372664B3
Authority
FR
France
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
FR7736170A
Other languages
French (fr)
Other versions
FR2372664A1 (en
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.)
IFA AUTOMOBILWERKE VEB
Original Assignee
IFA AUTOMOBILWERKE VEB
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 IFA AUTOMOBILWERKE VEB filed Critical IFA AUTOMOBILWERKE VEB
Publication of FR2372664A1 publication Critical patent/FR2372664A1/en
Application granted granted Critical
Publication of FR2372664B3 publication Critical patent/FR2372664B3/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/06—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure by shock waves
    • B21D26/08—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure by shock waves generated by explosives, e.g. chemical explosives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D5/00—Safety arrangements
FR7736170A 1976-12-03 1977-11-30 Article explosive forming safety system - uses microphone to detect explosion and trigger indicator seen by operator Granted FR2372664A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD7600196097A DD129529A1 (en) 1976-12-03 1976-12-03 SAFETY SWITCHING DEVICE FOR EXPLOSIVE FORMING SYSTEMS

Publications (2)

Publication Number Publication Date
FR2372664A1 FR2372664A1 (en) 1978-06-30
FR2372664B3 true FR2372664B3 (en) 1980-08-14

Family

ID=5506497

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7736170A Granted FR2372664A1 (en) 1976-12-03 1977-11-30 Article explosive forming safety system - uses microphone to detect explosion and trigger indicator seen by operator

Country Status (5)

Country Link
DD (1) DD129529A1 (en)
DE (1) DE2745633A1 (en)
FR (1) FR2372664A1 (en)
HU (1) HU176112B (en)
SE (1) SE7713636L (en)

Also Published As

Publication number Publication date
DE2745633A1 (en) 1978-06-08
FR2372664A1 (en) 1978-06-30
HU176112B (en) 1980-12-28
SE7713636L (en) 1978-06-04
DD129529A1 (en) 1978-01-25

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Legal Events

Date Code Title Description
ST Notification of lapse