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
  • B21D53/00—Making other particular articles
  • B21D53/86—Making other particular articles other parts for bicycles or motorcycles
• • 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
  • B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
  • B21C37/29—Making branched pieces, e.g. T-pieces
  • B21C37/296—Making branched pieces starting from strip material; Making branched tubes by securing a secondary tube in an opening in the undeformed wall of a principal tube
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE
  • B62K19/00—Cycle frames
  • B62K19/02—Cycle frames characterised by material or cross-section of frame members
  • B62K19/04—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly metallic, e.g. of high elasticity
  • B62K19/08—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly metallic, e.g. of high elasticity made from sheet
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE
  • B62K19/00—Cycle frames
  • B62K19/18—Joints between frame members
  • B62K19/20—Joints between frame members welded, soldered, or brazed

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Resistance Welding (AREA)
• Butt Welding And Welding Of Specific Article (AREA)
• Lining Or Joining Of Plastics Or The Like (AREA)
• Straightening Metal Sheet-Like Bodies (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=11191316

Family Applications (1)

Country Status (11)

Families Citing this family (4)

Family Cites Families (6)

• 1972
  • 1972-03-18 IT IT22088/72A patent/IT950373B/it active
• 1973
  • 1973-02-20 CH CH243373A patent/CH556210A/it not_active IP Right Cessation
  • 1973-03-05 GB GB1051473A patent/GB1427961A/en not_active Expired
  • 1973-03-08 US US00339276A patent/US3814891A/en not_active Expired - Lifetime
  • 1973-03-10 DE DE2312070A patent/DE2312070C3/de not_active Expired
  • 1973-03-15 FR FR7309365A patent/FR2176762B1/fr not_active Expired
  • 1973-03-16 BE BE128913A patent/BE796912A/xx unknown
  • 1973-03-16 AT AT236873A patent/AT324808B/de not_active IP Right Cessation
  • 1973-03-16 JP JP3014573A patent/JPS5317985B2/ja not_active Expired
  • 1973-03-16 NL NL7303754A patent/NL7303754A/xx not_active Application Discontinuation
  • 1973-03-16 SE SE7303742A patent/SE408281B/xx unknown

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