Developed excogitates of two decumbence and one hovizoutal molding die, realized increasing height of branch pipe of heat pressure tee and reducing radius of synodical arc of tee.

研制出两套立具和一套具,实现了用工艺方法增加热挤压三通支,缩小三通相贯区内拐角处圆弧半径的目的。