FR1574782A - - Google Patents

Info

Publication number
FR1574782A
FR1574782A FR1574782DA FR1574782A FR 1574782 A FR1574782 A FR 1574782A FR 1574782D A FR1574782D A FR 1574782DA FR 1574782 A FR1574782 A FR 1574782A
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
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 FR1574782A publication Critical patent/FR1574782A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/02—Seam welding; Backing means; Inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
    • B21C37/225—Making finned or ribbed tubes by fixing strip or like material to tubes longitudinally-ribbed tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Processing Of Solid Wastes (AREA)
  • Arc Welding In General (AREA)
FR1574782D 1967-04-25 1968-04-13 Expired FR1574782A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63360367A 1967-04-25 1967-04-25

Publications (1)

Publication Number Publication Date
FR1574782A true FR1574782A (fr) 1969-07-18

Family

ID=24540327

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1574782D Expired FR1574782A (fr) 1967-04-25 1968-04-13

Country Status (5)

Country Link
DE (2) DE1765197A1 (fr)
ES (1) ES352930A1 (fr)
FR (1) FR1574782A (fr)
NL (1) NL6805521A (fr)
SE (1) SE347683B (fr)

Also Published As

Publication number Publication date
DE6608928U (de) 1971-12-23
NL6805521A (fr) 1968-10-28
ES352930A1 (es) 1969-08-16
DE1765197A1 (de) 1971-07-08
SE347683B (fr) 1972-08-14

Similar Documents

Publication Publication Date Title
AT298283B (fr)
BE708864A (fr)
BE711999A (fr)
BE710196A (fr)
BE707613A (fr)
BE709040A (fr)
BE709263A (fr)
BE710766A (fr)
BE709234A (fr)
BE710798A (fr)
BE710427A (fr)
BE709739A (fr)
BE706549A (fr)
BE701338A (fr)
BE711752A (fr)
BE710339A (fr)
BE707765A (fr)
BE711361A (fr)
BE709607A (fr)
BE704472A (fr)
SE347683B (fr)
BE707095A (fr)
BE711655A (fr)
BE708050A (fr)
BE710447A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse