B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/702
B29C 45/20 (2006.01) B29C 45/27 (2006.01)
Patent
CA 2024999
A nozzle assembly for mounting on a cold runner block has a cooled housing with a bore and a nozzle member with a shaft portion mounted in the bore for rotation about a bore axis. A cap portion of the nozzle member is connected to the shaft portion and has a surface for positioning close to the mold surface of a mold member. A mold cavity in the mold member has a mold orifice in the mold surface for alignment with a nozzle opening in the surface of the cap portion. The nozzle opening is positioned radially outward from the bore axis and is rotatable into alignment with the mold orifice upon rotation of the nozzle member. A nozzle passage extends from the nozzle opening to the bore for communicating a fluid molding material to the mold cavity. Spring means may be disposed between the housing and the nozzle member to urge the surface of the nozzle member towards the mold surface. A ball member with a flat sealing surface may be mounted in a spherical recess in the surface of the cap portion. The nozzle opening is in the flat sealing surface so that upon alignment of the nozzle opening with the mold orifice the ball member can rotate in the spherical recess and provide sealing engagement of the flat sealing surface with the flat mold surface of the mold member.
Chlebina Larry Edward
Majerus Norbert
Rambacher John Sylvester
Sim & Mcburney
The Goodyear Tire & Rubber Company
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