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FR2159199A1 - - Google Patents

Info

Publication number
FR2159199A1
FR2159199A1 FR7140353A FR7140353A FR2159199A1 FR 2159199 A1 FR2159199 A1 FR 2159199A1 FR 7140353 A FR7140353 A FR 7140353A FR 7140353 A FR7140353 A FR 7140353A FR 2159199 A1 FR2159199 A1 FR 2159199A1
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.)
Granted
Application number
FR7140353A
Other languages
French (fr)
Other versions
FR2159199B1 (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.)
LIBAUD BERNARD EXPL ATEL
Original Assignee
LIBAUD BERNARD EXPL ATEL
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 LIBAUD BERNARD EXPL ATEL filed Critical LIBAUD BERNARD EXPL ATEL
Priority to FR7140353A priority Critical patent/FR2159199B1/fr
Priority to JP9164972A priority patent/JPS4857878A/ja
Publication of FR2159199A1 publication Critical patent/FR2159199A1/fr
Application granted granted Critical
Publication of FR2159199B1 publication Critical patent/FR2159199B1/fr
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
    • B21D51/00—Making hollow objects
    • 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
    • B21D51/00—Making hollow objects
    • B21D51/02—Making hollow objects characterised by the structure of the objects
    • B21D51/06—Making hollow objects characterised by the structure of the objects folded objects

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR7140353A 1971-11-10 1971-11-10 Expired FR2159199B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7140353A FR2159199B1 (en) 1971-11-10 1971-11-10
JP9164972A JPS4857878A (en) 1971-11-10 1972-09-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7140353A FR2159199B1 (en) 1971-11-10 1971-11-10

Publications (2)

Publication Number Publication Date
FR2159199A1 true FR2159199A1 (en) 1973-06-22
FR2159199B1 FR2159199B1 (en) 1974-06-07

Family

ID=9085628

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7140353A Expired FR2159199B1 (en) 1971-11-10 1971-11-10

Country Status (2)

Country Link
JP (1) JPS4857878A (en)
FR (1) FR2159199B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0579893A1 (en) * 1992-07-23 1994-01-26 MONETA IMPIANTI S.p.A. Apparatus for forming weldless edges on sheet metal articles
EP0579894A1 (en) * 1992-07-23 1994-01-26 MONETA IMPIANTI S.p.A. Metal sheet shaped to achieve polygonal articles with weldless edges at the vertices and manufacturing method for said article

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2929914A (en) * 1957-06-06 1960-03-22 Oldberg Mfg Company Apparatus for fabricating tubular shells
CH377766A (en) * 1958-05-14 1964-05-31 Bell Ag Maschf Device for shaping, welding and smoothing sheet metal to form frames

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2929914A (en) * 1957-06-06 1960-03-22 Oldberg Mfg Company Apparatus for fabricating tubular shells
CH377766A (en) * 1958-05-14 1964-05-31 Bell Ag Maschf Device for shaping, welding and smoothing sheet metal to form frames

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0579893A1 (en) * 1992-07-23 1994-01-26 MONETA IMPIANTI S.p.A. Apparatus for forming weldless edges on sheet metal articles
EP0579894A1 (en) * 1992-07-23 1994-01-26 MONETA IMPIANTI S.p.A. Metal sheet shaped to achieve polygonal articles with weldless edges at the vertices and manufacturing method for said article

Also Published As

Publication number Publication date
FR2159199B1 (en) 1974-06-07
JPS4857878A (en) 1973-08-14

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Legal Events

Date Code Title Description
ST Notification of lapse