FR571931A - Device for beating pipes filled with sand - Google Patents

Device for beating pipes filled with sand

Info

Publication number
FR571931A
FR571931A FR571931DA FR571931A FR 571931 A FR571931 A FR 571931A FR 571931D A FR571931D A FR 571931DA FR 571931 A FR571931 A FR 571931A
Authority
FR
France
Prior art keywords
sand
pipes filled
beating
beating pipes
filled
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)
Inventor
Johann Hoffmann
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 filed Critical
Application granted granted Critical
Publication of FR571931A publication Critical patent/FR571931A/en
Expired 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
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/16—Auxiliary equipment, e.g. machines for filling tubes with sand
    • B21D9/165—Machines for filling tubes with sand

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR571931D 1923-01-11 1923-10-15 Device for beating pipes filled with sand Expired FR571931A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT571931X 1923-01-11

Publications (1)

Publication Number Publication Date
FR571931A true FR571931A (en) 1924-05-26

Family

ID=3676773

Family Applications (1)

Application Number Title Priority Date Filing Date
FR571931D Expired FR571931A (en) 1923-01-11 1923-10-15 Device for beating pipes filled with sand

Country Status (1)

Country Link
FR (1) FR571931A (en)

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