Patent ID: 7284979
Filing Date: 2007-10-23
Classification: B29C,Y10T

Abstract:
1. An injection molding hot runner system, comprising: a hot runner; an articulated joint; said articulated joint being disposed with the hot runner and configured to permit movement therebetween, said articulated joint comprising: a melt channel configured to provide a melt to the hot runner; a first spherical surface in contact with a first concave pad; and a second spherical surface in contact with a second concave pad, one of the spherical surfaces being configured to be coupled to the hot runner, and the concave pads being configured to be coupled to an injection unit and wherein said injection unit is configured to move with respect to rails, and further comprising a plurality of flexible pads (i) configured to be disposed between said injection unit and the rails, and (ii) configured to avoid overloading and damage on a second injection unit and the rails caused by misalignment due to thermal elongation of heated components and/or incorrect setup/leveling.