FR847764A - Tube bending process - Google Patents

Tube bending process

Info

Publication number
FR847764A
FR847764A FR847764DA FR847764A FR 847764 A FR847764 A FR 847764A FR 847764D A FR847764D A FR 847764DA FR 847764 A FR847764 A FR 847764A
Authority
FR
France
Prior art keywords
bending process
tube bending
tube
bending
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
Lucien Dard
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 FR847764A publication Critical patent/FR847764A/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
    • B21D9/15—Bending tubes using mandrels or the like using filling material of indefinite shape, e.g. sand, plastic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR847764D 1938-06-21 1938-06-21 Tube bending process Expired FR847764A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR847764T 1938-06-21

Publications (1)

Publication Number Publication Date
FR847764A true FR847764A (en) 1939-10-17

Family

ID=9313940

Family Applications (1)

Application Number Title Priority Date Filing Date
FR847764D Expired FR847764A (en) 1938-06-21 1938-06-21 Tube bending process

Country Status (1)

Country Link
FR (1) FR847764A (en)

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