Metal working – Method of mechanical manufacture – Gas and water specific plumbing component making
Reexamination Certificate
2008-05-13
2008-05-13
Cozart, Jermie E. (Department: 3726)
Metal working
Method of mechanical manufacture
Gas and water specific plumbing component making
C029S525010, C029S525110, C425S549000, C264S328150
Reexamination Certificate
active
11298059
ABSTRACT:
An injection molding apparatus including an injection manifold having a manifold melt channel, a mold plate having a mold bore, and a hot runner nozzle located in the mold bore and having a nozzle melt channel. A mold insert including a melt channel includes an upper end adjacent the nozzle, a first outer surface adjacent the upper end, and a lower portion including a second outer surface, wherein the second outer surface is in sealing contact with an inner surface of the mold plate. A mold gate insert retainer includes an inner surface surrounding the first outer surface of the mold gate insert and a threaded outer surface for mating with a threaded inner surface of the nozzle. The first outer surface of the mold gate insert and the inner surface of the mold gate insert retainer are non-threaded. A lower end surface of the mold gate insert may form a wall of the mold cavity and may be angled.
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“Dynisco Hot Runners—GB -series”, date unknown.
Cozart Jermie E.
Medler Ferro PLLC
Mold-Masters (2007) Limited
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