Patent application number | Description | Published |
20080206391 | Injection Molding Nozzle Assembly with Composite Nozzle Tip - A nozzle assembly for an injection molding assembly has a nozzle housing having a melt channel extending therethrough, a nozzle tip, and a retainer that retains the nozzle tip against the nozzle housing. The nozzle tip is formed of a precipitation hardened, high thermal conductivity material and a precipitation hardened, high strength material, which are integrally joined together to form the body. The thermal conductivity of the high thermal conductivity material is greater than the thermal conductivity of the high strength material, and the strength of the high strength material is greater than the strength of the high thermal conductivity material. The high thermal conductivity material and the high strength material can be precipitation hardened together under the same precipitation hardening conditions to achieve increases in the value of at least one strength aspect of the high thermal conductivity material and the value of at least one strength aspect of the high strength material. | 08-28-2008 |
20080206394 | Composite Nozzle Tip Method - A composite nozzle tip for an injection molding assembly includes a body, having a bore extending therethrough, adapted for connection to the injection molding assembly. The body is formed of a precipitation hardened, high thermal conductivity material and a precipitation hardened, high strength material, which are integrally joined together to form the body. The thermal conductivity of the high thermal conductivity material is greater than the thermal conductivity of the high strength material, and the strength of the high strength material is greater than the strength of the high thermal conductivity material. The high thermal conductivity material and the high strength material can be precipitation hardened together under the same precipitation hardening conditions to achieve increases in the value of at least one strength aspect of the high thermal conductivity material and the value of at least one strength aspect of the high strength material, relative to their respective unhardened conditions. | 08-28-2008 |
20080206395 | Composite Injection Molding Component - A composite material component for an injection molding assembly includes a first portion formed of a precipitation hardened, high thermal conductivity material and a second portion formed of a precipitation hardened, high strength material, which are integrally joined together. The thermal conductivity of the high thermal conductivity material is greater than the thermal conductivity of the high strength material, and at least one strength aspect of the high strength material has a value greater than the corresponding value of the same strength aspect of the high thermal conductivity material. The high thermal conductivity material and the high strength material can be precipitation hardened together under the same precipitation hardening conditions to achieve increases in the value of at least one strength aspect of the high thermal conductivity material and the value of at least one strength aspect of the high strength material, relative to their respective unhardened conditions. | 08-28-2008 |
20080206396 | Hot Runner System with Composite Nozzle Tip - A hot runner assembly for an injection molding assembly includes an injection unit adapted to contain a flowable material, a manifold having a first segment of a melt channel formed therein, a nozzle assembly connected to the manifold including a nozzle housing and a nozzle tip, a retainer that retains the nozzle tip against the nozzle housing, and a mold cavity. The nozzle tip is formed of a precipitation hardened, high thermal conductivity material and a precipitation hardened, high strength material, which are integrally joined together to form the body. The thermal conductivity of the high thermal conductivity material is greater than the thermal conductivity of the high strength material, and the strength of the high strength material is greater than the strength of the high thermal conductivity material. The high thermal conductivity material and the high strength material can be precipitation hardened together under the same precipitation hardening conditions. | 08-28-2008 |
20090100962 | CAM APPARATUS FOR VALVE STEM ACTUATION - A cam and cam follower apparatus translates linear cam bar movement to perpendicular valve stem actuation in an injection molding system. The cam bars reciprocate up and down on linear bearing rails such that an actuation plate, fitted with a plurality of valve stems, is cycled normal to the direction of the cam bar movement via cam followers traveling within cam slots in the cam bars. The cam slots in the cam bars are profiled such that the cam followers affect the speed and force at which the valve stems travel while at the same time reducing frictional effects and their associated power requirement. The cam followers of the valve stem actuation plate travel in cam slots in the cam bars from a valve stem forward position, to a valve stem retracted position and ultimately, the entire actuation plate may be removed from the cam bars for maintenance via open ended slots in the cam bars. | 04-23-2009 |
20090194903 | Non-stringing hot tip - Disclosed is a nozzle tip, having a tip insert attached to a nozzle tip outlet end of a nozzle tip body, the tip insert being made of a material, or having a thermal barrier coating, having a thermal conductivity value of K<10 W/m° K, and having a lower thermal conductivity than that of the nozzle tip body, to preclude the conduction of excessive heat to the nozzle tip outlet end, and promoting a more decisive fracture of the solidified resin at a gate orifice upon ejection of a molded product, thereby eliminating a string of molten resin and a vestige of excessive height, both of which are undesirable, on the molded product. | 08-06-2009 |
20090194910 | Two Stage Spring Pack Device for Hot Runner Sealing - A two stage spring pack device comprising a nozzle or back up insulator, surrounded by a first stage spring for applying an initial force, and a plurality of Belleville springs to exert a secondary force against a thermally expanding hot runner manifold in an injection molding system, precludes resin leakage between a manifold and nozzle or between mating manifolds in a cross manifold system. The first stage spring imparts a relatively low initial force against the hot runner components while the system heats up from ambient temperature to prevent plate bowing and component hobbing, until it is fully compressed, at which point a subsequently larger sealing force is exerted by the constant force Belleville springs to prevent leakage between the mating components at operating temperature and injection pressure. | 08-06-2009 |
20100278964 | Injection Molding Nozzle - An injection nozzle assembly, comprising: a nozzle housing; a nozzle tip having an inlet portion being contactable with the nozzle housing; and a tip retainer being movable relative to the nozzle housing between a first position, a second position and a third position. | 11-04-2010 |
20110018172 | SAFETY CONNECTOR FOR HOT RUNNER, HAVING LATCH DESTRUCTIVELY INTERLOCKING VALVE STEM WITH ACTUATION PLATE - Disclosed is a safety connector ( | 01-27-2011 |
20110086121 | Safety Connector for Hot Runner, having Latch Releasably Interlocking Valve Stem with Actuation Plate - Disclosed is a safety connector for a hot runner having a valve stem and an actuation plate, the safety connector including: (i) a latch releasably interlocking the valve stem with the actuation plate so that in response to movement of the actuation plate, the valve stem becomes movable; and (ii) a latch mover being cooperative with the latch, and the latch mover being configured to move the latch responsive to a predetermined force acting on the valve stem so that so that the valve stem is released from the actuation plate. | 04-14-2011 |
20110135779 | Mold-Tool System having Manifold Body Defining Uninterrupted Melt Channels - A mold-tool system comprising: a manifold assembly, including: a manifold body defining: an inlet assembly; outlets being set apart from the inlet assembly; and uninterrupted melt channels extending between the inlet assembly and the outlets. | 06-09-2011 |
20110183030 | Hot-Runner System having Nano-Structured Material - Disclosed is a hot-runner system of an injection molding system, the hot-runner system comprising a hot-runner component, including: a material, and a nano-structured material being combined with the material. | 07-28-2011 |
20120100243 | Hot-Runner System having Carbon Nanotubes - A hot-runner system for use with an injection molding system, the hot-runner system including a hot-runner component, a material; and carbon nanotubes being combined with the material. The carbon nanotubes are dispersed, at least in part, in the material and the material includes a metal alloy. The carbon nanotubes are dispersed in the metal alloy, so that the metal alloy and the carbon nanotubes are combined to form a CNT-metal composite material. | 04-26-2012 |
20130309342 | Mold-Tool Assembly Including Constant-Temperature Heater Assembly for Manifold Assembly - A mold-tool assembly ( | 11-21-2013 |
20140037783 | Mold-Tool System Including Nozzle-Tip Assembly Configured for Reduced Axial Tilting - A mold-tool system ( | 02-06-2014 |