Thursday, January 4, 2018

Bill Northgraves my brother-in-law entered his relish in the Fryeburg Fair and won first place a number of years ago....we have been the happy recepient of the relish ....after seeing the exhibit I am even more impressed....


  1. The hopper is positioned at Puffer Jackets one end of the barrel, and the hydraulic rotating screw runs by electric motor. After the required quantity of molten plastic is accrued, the injection process is started. Voids and cracks are the major defects on the injection molding stage and their avoidance depends primarily on mold cavity pressure and temperature. As cavity pressure will increase, voids are prevented, but cracks could nonetheless seem.