Abstract: A melt distribution device (100) including a heat-receiving part (102) and a heater (104). The heater (104) is coupled to the heat-receiving part (102) so to maintain thermal communication between the heater (104) and the heat-receiving part (102). The heater (104) is also coupled to the heat-receiving part (102) so to isolate, at least partially, the heater (104) from receiving stress and strain transmission from the heat-receiving part (102).

Abstract: A melt distribution device (100) including a heat-receiving part (102) and a heater (104). The heater (104) is coupled to the heat-receiving part (102) so to maintain thermal communication between the heater (104) and the heat-receiving part (102). The heater (104) is also coupled to the heat-receiving part (102) so to isolate, at least partially, the heater (104) from receiving stress and strain transmission from the heat-receiving part (102).

Abstract: A mold-tool system for use with a molding-system platen structure, the mold-tool system a frame assembly being connectable with the molding-system platen structure (107); and a set of shooting-pot assemblies being supported by the frame assembly, wherein control of each shooting-pot assembly of the set of shooting-pot assemblies is independent.

Abstract: A mold-tool system (100), comprising: a runner assembly (102) having: a nozzle assembly (104); and a cooling-insert assembly (106) being positioned proximate to the nozzle assembly (104), the cooling-insert assembly (106) being configured to provide, in use, uniform cooling to the nozzle assembly (104). Several potential advantages may be realized with the above arrangement: (i) improvement of hot runner balance by creating a more uniform temperature on all drops, (ii) reduction of energy usage in the hot runner by giving ability to include insulating features, geometry, or materials between the cooling medium and the hot components, and/or (iii) simplification of design since water lines may now be in line with nozzle assemblies.

Abstract: A mold-tool assembly (100), comprising: a manifold assembly (102); and a constant-temperature heater assembly (99) being positioned relative to the manifold assembly (102), the constant-temperature heater assembly (99) being configured to convey, in use, a thermal-management fluid (109).

Abstract: A mold-tool system (100), comprising: a manifold assembly (102); a plate assembly (104) defining a manifold-receiving space (105) receiving the manifold assembly (102); a nozzle assembly (106); a nozzle-locating assembly (108) positionally locating the nozzle assembly (106) relative to the manifold assembly (102) and to the plate assembly (104); and a heat-transfer obstruction (110) being positioned between the plate assembly (104) and the nozzle-locating assembly (108), the heat-transfer obstruction (110) being configured to obstruct transfer of heat from the plate assembly (104) toward the nozzle-locating assembly (108).

Abstract: A mold-tool system (105) for use with a molding-system platen structure (107), the mold-tool system (105) camprising: a frame assembly (103) being connectable with the molding-system platen structure (107); and a set of shooting-pot assemblies semblies (204) being supported by the frame assembly (103), wherein control of each shooting-pot assembly of the set of shooting-pot assemblies (204) is independent.

Abstract: An injection-molding machine (100), including: an air-open circuit (110); an air-closed circuit (112); and a pressure-equalization circuit (118) connecting with the air-open circuit (110) and the air-closed circuit (112), the pressure-equalization circuit (118) being configured to: (i) operate in a by-pass operation mode, in which the air pressure between the air-open circuit (110) and the air-closed circuit (112) becomes equalized, at least in part, by recycling, at least in part, the air pressure between the air-open circuit (110) and the air-closed circuit (112); and (ii) operate in a pass-through operation mode, in which the air pressure in the air-open circuit (110) and the air-closed circuit (112) is independently controlled.

Abstract: Disclosed, amongst other things, is a melt distribution apparatus of a hot runner and a related method for balancing melt flow to a plurality of drops. The melt distribution apparatus includes a plurality of chokes with each choke of the plurality of chokes being associated with a corresponding one of a drop of a plurality of drops. Each choke of the plurality of chokes being configured to contribute, during an injection of a molding material therethrough, a choke melt-pressure loss such that the plurality of chokes contribute an aggregate choke melt-pressure loss that is generally between 10% and 75% of an aggregate hot runner melt-pressure loss.

Abstract: Disclosed, amongst other things, is a melt distribution apparatus of a hot runner and a related method for balancing melt flow to a plurality of drops. The melt distribution apparatus includes a plurality of chokes with each choke of the plurality of chokes being associated with a corresponding one of a drop of a plurality of drops. Each choke of the plurality of chokes being configured to contribute, during an injection of a molding material therethrough, a choke melt-pressure loss such that the plurality of chokes contribute an aggregate choke melt-pressure loss that is generally between 10% and 75% of an aggregate hot runner melt-pressure loss.

Abstract: An injection molding nozzle is provided having a first sealing member to substantially eliminate the leakage of molten material from around the injection nozzle. A second sealing member is configured to substantially reduce the leakage of a pressurized fluid, such as air, which may be used to open and close a valve stem associated with the injection nozzle.

Abstract: A mixer method and apparatus for use generally in injection molding machines is provided. The apparatus and method is generally comprised of a mixer insert that retains a mixing element that is sealingly inserted in the injection molding machine, for example a hot runner manifold. The mixing element reduces the melt imbalances in a flowing melt stream for the formation of improved molded parts.

Abstract: A mixer method and apparatus for use generally in injection molding machines is provided. The apparatus and method is generally comprised of a mixer insert that retains a mixing element that is sealingly inserted in the injection molding machine, for example a hot runner manifold. The mixing element reduces the melt imbalances in a flowing melt stream for the formation of improved molded parts.

Abstract: Disclosed is a method of controlling the diameter of a glass rod drawn from a glass preform. The diameter control begins as soon as a glass gob begins to move away from a heated portion of the preform. The velocity of the gob is measured and furnace temperature adjusted to maintain gob velocity at a pre-selected target value. By starting diameter control at this early stage of the process, utilization of the preform is improved as is the utilization of the drawing equipment.

Abstract: Disclosed is a method of controlling the diameter of a glass rod drawn from a glass preform. The diameter control begins as soon as a glass gob begins to move away from a heated portion of the preform. The velocity of the gob is measured and furnace temperature adjusted to maintain gob velocity at a pre-selected target value. By starting diameter control at this early stage of the process, utilization of the preform is improved as is the utilization of the drawing equipment.