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US 5,714,108 AGranted
Method of manufacturing a bicycle saddle
AssigneeSelle San Marco di Girardi Comm. Luigi S.p.A.
InventorsAntonio Girardi, Gianni Zago
Life of this patent
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Abstract
A saddle includes a body of thermoplastic material constituting a load-bearing structure on which a padding of expanded plastics material is fitted. The padding is made of an ethylene vinyl acetate copolymer which does not require the application of a covering layer. The padding is formed by injection moulding and allowed to expand to a size larger than the final size. The padding is then placed on the load-bearing structure and is firmly coupled to the load-bearing structure upon cooling and shrinking.
Claims2
A method for the manufacture of a saddle, wherein said method comprises the steps of:
- producing a body constituting a load-bearing structure for a padding,
- forming a padding from a padding material constituted by an ethylene vinyl acetate copolymer by adding said material to a heated mould and applying pressure;
- removing said padding from the mould whereby the padding expands temporarily to reach a size larger than its final size,
- fitting said padding onto said body whilst said padding is larger than its final size so as to achieve firm coupling between said body and said padding when said padding has shrunk to its final size as a result of its cooling.
1 more element
Dependencies are inferred from the claim text.