US 7,462,031 B2
Injection molding nozzle with recessed terminal
Murray Feick, Kitchener (Canada); Payman Tabassi, Rockwood (Canada); and Glenn Sterritt, Georgetown (Canada)
Assigned to Mold-Masters (2007) Limited, Georgetown, Ontario (Canada)
Filed on Nov. 25, 2005, as Appl. No. 11/286,479.
Prior Publication US 2007/0119990 A1, May 31, 2007
Int. Cl. B29C 45/20 (2006.01)
U.S. Cl. 425—549  [264/328.15] 20 Claims
OG exemplary drawing
 
1. A hot runner injection molding nozzle comprising:
a nozzle body having an outer surface, first and second opposed ends, and an inner surface defining a central melt channel extending between the first and second ends;
an electrically conductive heating element coupled to the nozzle body and having at least one end coupled to an external lead element at a terminal connection; and
a terminal housing containing the terminal connection and fastened to the nozzle body, wherein the outer surface of the nozzle body is recessed to define a seat and the terminal housing has a width that is at least partially positioned within the seat; and
a stress relief member fastened to the nozzle body and adapted to retain the external lead element in a position spaced from the terminal connection thereby relieving stress on the terminal connection.