BE491000A - - Google Patents

Info

Publication number

BE491000A

BE491000A BE491000DA BE491000A BE 491000 A BE491000 A BE 491000A BE 491000D A BE491000D A BE 491000DA BE 491000 A BE491000 A BE 491000A

Authority

BE

Belgium

Prior art keywords

bottom bracket

fittings

bicycle

cylindrical body

tubular

Prior art date

Links

• Espacenet
• Global Dossier
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• 238000000034 method Methods 0.000 claims description 12
• 238000003466 welding Methods 0.000 claims description 12
• 238000004519 manufacturing process Methods 0.000 claims description 10
• 238000005452 bending Methods 0.000 claims description 5
• 238000010891 electric arc Methods 0.000 claims description 3
• 210000001367 artery Anatomy 0.000 claims 1
• 238000009527 percussion Methods 0.000 claims 1
• 239000002184 metal Substances 0.000 description 9
• 229910052751 metal Inorganic materials 0.000 description 9
• 229910001296 Malleable iron Inorganic materials 0.000 description 4
• CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
• 229910000831 Steel Inorganic materials 0.000 description 2
• 238000005219 brazing Methods 0.000 description 2
• 230000008878 coupling Effects 0.000 description 2
• 238000010168 coupling process Methods 0.000 description 2
• 238000005859 coupling reaction Methods 0.000 description 2
• 238000010438 heat treatment Methods 0.000 description 2
• 238000003780 insertion Methods 0.000 description 2
• 230000037431 insertion Effects 0.000 description 2
• 239000010959 steel Substances 0.000 description 2
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
• HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 238000005266 casting Methods 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 238000004534 enameling Methods 0.000 description 1
• 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
• 238000005242 forging Methods 0.000 description 1
• 238000003754 machining Methods 0.000 description 1
• 238000000465 moulding Methods 0.000 description 1
• 238000007493 shaping process Methods 0.000 description 1