Patents Assigned to Techmire Ltd.
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Patent number: 7121321Abstract: An injection unit for a hot-chamber die-casting machine has an injection portion with a gooseneck and a nozzle adaptor. The injector portion has a base portion at an end of the gooseneck adapted to receive a molten medium supply. A nozzle at an end of the nozzle adaptor is adapted to inject the molten medium supply in a die cavity. A channel between the base portion and nozzle is adapted to convey the molten medium supply therethrough. A piston chamber in the base portion is actuatable to draw the molten medium supply therein and to direct the molten medium supply in the channel for injection into the die cavity. An actuation portion is connected to the gooseneck to actuate the piston chamber. Heating cartridges are received in the injection portion adjacent to the channel to control temperature of the molten medium supply in the channel.Type: GrantFiled: April 7, 2004Date of Patent: October 17, 2006Assignee: Techmire Ltd.Inventors: Carl Thibault, Jean-Pierre Ouellet, Irina Oluhova, Cyril Trincat
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Patent number: 6978823Abstract: A multiple-slide die-casting machine for casting pieces has a frame. A table is operatively mounted to the frame. A slide guiding mechanism is secured to the table and has slides. Each slide has a die section. The slides are actuatable in a close/open action such that the die sections mate to form a die cavity. An injection unit is mounted to the frame and is adapted to be connected to a molten medium supply. The injection unit has a nozzle and is adapted to inject molten medium from the supply into the die cavity through the nozzle for casting a piece. A relative displacement configuration is provided between the table and the injection unit such that the die sections on the table are disengageable from with the nozzle for injection of a cast product from the die cavity.Type: GrantFiled: February 20, 2003Date of Patent: December 27, 2005Assignee: Techmire Ltd.Inventors: Carl Thibault, Jean-Pierre Ouellet, Irina Oluhova, Cyril Trincat
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Patent number: 6938671Abstract: A multiple-slide die-casting machine is equipped with improved mechanical structure and unique injection control system to improve the quality of molded products, to achieve flash free castings of improved surface finish. The clamping assemblies are mounted on one side of a base plate of the machine for applying clamping force to the mold sections in a preloaded state. A reinforcement ring interconnects the clamping assemblies to inhibit deflection of the base plate and the brackets which support the clamping assemblies so that an accurate parting line between the contacting surfaces of mold sections is insured.Type: GrantFiled: July 9, 2004Date of Patent: September 6, 2005Assignee: Techmire Ltd.Inventors: Alexandre A. Pollak, Carl Thibault, Alain Bourbonnais, Richard Laveau
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Patent number: 6793002Abstract: A multiple-slide die-casting machine is equipped with improved mechanical structure and unique injection control system to improve the quality of molded products, to achieve flash free castings of improved surface finish. The clamping assemblies are mounted on one side of a base plate of the machine for applying clamping force to the mold sections in a preloaded state. A reinforcement ring interconnects the clamping assemblies to inhibit deflection of the base plate and the brackets which support the clamping assemblies so that an accurate parting line between the contacting surfaces of mold sections is insured.Type: GrantFiled: March 8, 2002Date of Patent: September 21, 2004Assignee: Techmire Ltd.Inventors: Alexandre A. Pollak, Carl Thibault, Alain Bourbonnais, Richard Laveau
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Patent number: 6609554Abstract: A multiple-slide die-casting machine (20) is equipped with improved mechanical structure and unique injection control system to improve the quality of molded products, to achieve flash free castings of improved surface finish. The clamping assemblies (52A, 52B, 52C, 52D) are mounted on one side of a base plate (22) of the machine for applying clamping force to the mold sections in a preloaded state. A reinforcement ring (56) interconnects the clamping assemblies to inhibit deflection of the base plate and the brackets (72) which support the clamping assemblies so that an accurate parting line between the contacting surfaces of mold sections is insured.Type: GrantFiled: June 20, 2002Date of Patent: August 26, 2003Assignee: Techmire Ltd.Inventors: Alexandre A. Pollak, Carl Thibault, Alain Bourbonnais, Richard Laveau
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Patent number: 6334479Abstract: A multiple-slide die-casting machine is equipped with improved mechanical structure and unique injection control system to improve the quality of molded products, to achieve flash free castings of improved surface finish. The clamping assemblies are mounted on one side of a base plate of the machine for applying clamping force to the mold sections in a preloaded state. A reinforcement ring interconnects the clamping assemblies to inhibit deflection of the base plate and the brackets which support the clamping assemblies so that an accurate parting line between the contacting surfaces of mold sections is insured.Type: GrantFiled: June 8, 2000Date of Patent: January 1, 2002Assignee: Techmire Ltd.Inventors: Alexandre A. Pollak, Carl Thibault, Alain Bourbonnais, Richard Laveau