Method for molding bicycle tube
OwnerChan Loinventor
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Abstract
This invention relates to a method for molding a bicycle tube and the method comprises the following steps: first, providing a tube and then controlling thickness of the tube by a drawing and extruding process for forming a molding portion. Second, plasticize other portions of the tube into particular diameters and shapes by plasticizing processes. Third, hydroform the molding portion of the tube by a mold and a hydroforming device for forming particular three-dimensional shapes. By applying to the above-mentioned method, the tube could be molded into a three-dimensional, unique and delicate shape.
Claims15
a method for molding a bicycle tube comprising the steps of:
- providing a tube;
- controlling thickness of said tube by a drawing and extruding process for forming a molding portion, which is thicker than other portions of said tube;
- plasticizing other portions of said tube into particular diameters and shapes by plasticizing processes;
- and
- hydroforming said molding portion of said tube by a mold and a hydroforming device for forming particular three-dimensional shapes.
Dependencies are inferred from the claim text.