Method for producing a bicycle saddle

Details Method for producing a bicycle saddle Method for producing a bicycle saddle

1999-04-01

2000-05-23

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 464, 264 466, 2642711, 264273, B29C 4406

Patent

active

060662778

ABSTRACT:
A method for producing a bicycle saddle includes the steps of:
(a) forming a rigid saddle base having therein a hole;
(b) positioning the saddle base on a projecting mold part of a male mold, wherein the projecting mold part has a surface contoured to complement a concave inner surface of the saddle base, and the surface is formed with an indentation;
(c) placing a foam material in a female mold;
(d) causing the projecting mold part to project into and close a mold cavity of the female mold; and
(e) forming a saddle cushion around the saddle base by causing the foam material to expand and fill a space around the projecting mold part and then fill the indentation in the projecting mold part through the hole in the saddle base.

REFERENCES:
patent: 3604748 (1971-09-01), Lamkemeyer
patent: 3708201 (1973-01-01), Lamkemeyer
patent: 3905643 (1975-09-01), Lamkemeyer
patent: 4559366 (1985-12-01), Hostettler
patent: 4608214 (1986-08-01), Balle et al.
patent: 4636531 (1987-01-01), Schmidt et al.
patent: 4925513 (1990-05-01), Witzke et al.
patent: 5334620 (1994-08-01), Horn et al.

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