FR2447253B1 - - Google Patents

Info

Publication number
FR2447253B1
FR2447253B1 FR8001435A FR8001435A FR2447253B1 FR 2447253 B1 FR2447253 B1 FR 2447253B1 FR 8001435 A FR8001435 A FR 8001435A FR 8001435 A FR8001435 A FR 8001435A FR 2447253 B1 FR2447253 B1 FR 2447253B1
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
FR8001435A
Other languages
French (fr)
Other versions
FR2447253A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2447253A1 publication Critical patent/FR2447253A1/fr
Application granted granted Critical
Publication of FR2447253B1 publication Critical patent/FR2447253B1/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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/34—Perforating tools; Die holders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Automatic Assembly (AREA)
  • Presses And Accessory Devices Thereof (AREA)
FR8001435A 1979-01-27 1980-01-23 Boulon d'assemblage comportant des moyens de retenue du boulon d'assemblage en cas de rupture de celui-ci Granted FR2447253A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2903179A DE2903179C2 (de) 1979-01-27 1979-01-27 Kraftbetriebenes Handwerkszeug, insbesondere Lochpresse

Publications (2)

Publication Number Publication Date
FR2447253A1 FR2447253A1 (fr) 1980-08-22
FR2447253B1 true FR2447253B1 (ja) 1983-12-16

Family

ID=6061551

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8001435A Granted FR2447253A1 (fr) 1979-01-27 1980-01-23 Boulon d'assemblage comportant des moyens de retenue du boulon d'assemblage en cas de rupture de celui-ci

Country Status (5)

Country Link
JP (1) JPS55103299A (ja)
DE (1) DE2903179C2 (ja)
FR (1) FR2447253A1 (ja)
GB (1) GB2042667B (ja)
IT (1) IT1129564B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102328453B (zh) * 2011-10-09 2014-11-19 陈浩波 压力机卸压安全保护装置

Also Published As

Publication number Publication date
IT8019298A0 (it) 1980-01-18
DE2903179B1 (de) 1980-05-08
FR2447253A1 (fr) 1980-08-22
JPS55103299A (en) 1980-08-07
DE2903179C2 (de) 1981-01-15
IT1129564B (it) 1986-06-11
GB2042667A (en) 1980-09-24
GB2042667B (en) 1982-11-24

Similar Documents

Publication Publication Date Title
FR2447310B1 (ja)
BR8006808A (ja)
FR2448521B1 (ja)
DE2910161C2 (ja)
DE3035792C2 (ja)
FR2448862B1 (ja)
FR2447253B1 (ja)
AU78385S (ja)
AU78270S (ja)
AU77669S (ja)
AU77763S (ja)
AU78271S (ja)
BR5901094U (ja)
AU78386S (ja)
AU78389S (ja)
AU78390S (ja)
AU78391S (ja)
AU78569S (ja)
AU79200S (ja)
AU79557S (ja)
AU79558S (ja)
AU79559S (ja)
AU79826S (ja)
AU80228S (ja)
AU79950S (ja)

Legal Events

Date Code Title Description
ST Notification of lapse