Patent ID: 9056414
Filing Date: 2015-06-16
Classification: B29C,B29L

Abstract:
1. Hot pressing equipment for forming spherical portions of light guide bodies, the hot pressing equipment comprising: a top pressing plate, comprising a plurality of first grooves and a second groove perpendicular to each of the first grooves, the first grooves parallel with each other, each of the first grooves comprising a spherical end surface near the second groove; a bottom pressing plate facing the top pressing plate and comprising a plurality of third grooves corresponding to the first grooves and a fourth groove corresponding to the second groove, each of the third grooves comprising a spherical end surface near the fourth groove; a top heating unit located in the top pressing plate and configured to heat the top pressing plate; a bottom heating unit located in the bottom pressing plate and configured to heat the bottom pressing plate; and a cooling tube located in a space cooperatively defined by the second groove and the fourth groove, the cooling tube configured for lowering the temperature of the top pressing plate and the bottom pressing plate.