Patent ID: 6598848
Filing Date: 2003-07-29
Classification: B29C

Abstract:
A molding device comprises:a first outer mold, a second outer mold, a silicon mold, a center mold, an upper ring, a lower seat, a retainer device, and an upper clamp device, the first outer mold having a first inner thread, a first upper flange, a first upper inner groove, a first middle flange, a first lower flange, a first bottom base, and a first lower inner groove, the second outer mold having a second inner thread, a second upper flange, a second upper inner groove, a second middle flange, a second lower flange, a second bottom base, and a second lower inner groove, the upper ring having a bottom flange and an upper inner flange, the lower seat having an upper step flange and an inner bottom recess, the center mold having a disk head and a bottom protrusion matching the inner bottom recess of the lower seat, the first outer mold engaging with the second outer mold, the lower seat inserted in the first lower inner groove of the first outer mold and the second lower inner groove of the second outer mold, the silicon mold disposed between the first outer mold and the second outer mold, the upper ring inserted in the first upper inner groove of the first outer mold and the second upper inner groove of the second outer mold, the center mold passing through the upper ring and the silicon mold, the bottom protrusion of the center mold inserted in the inner bottom recess of the lower seat, the disk head of the center mold having an outer thread engaging with the first inner thread of the first outer mold and the second inner thread of the second outer mold, the silicon mold disposed on the upper step flange of the lower seat, the silicon mold enclosing the bottom flange of the upper ring, the retainer device fastening the first middle flange of the first outer mold and the second middle flange of the second outer mold, and the upper clamp device enclosing the disk head of the center mold, the first upper flange of the first outer mold and the second upper flange of the second outer mold.