Patents by Inventor Robert Sicilia
Robert Sicilia has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7524183Abstract: An injection molding apparatus includes a first, rear-mounted nozzle that is coupled to a manifold for receiving a melt stream therefrom. A second, front-mounted nozzle is coupled to the first nozzle by a nozzle link that is provided between the first and second nozzles. A plurality of gate seals are coupled to a forward end of the second nozzle. The gate seals receive melt from a plurality of melt passages and deliver the melt to a plurality of mold cavities through respective gates. The second nozzle is slidably removable from the first nozzle via the nozzle link to facilitate repair or replacement of the gate seals.Type: GrantFiled: November 29, 2007Date of Patent: April 28, 2009Assignee: Mold-Masters (2007) LimitedInventors: Denis Babin, Terry Schwenk, Robert Sicilia
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Publication number: 20080069919Abstract: An injection molding apparatus includes a first, rear-mounted nozzle that is coupled to a manifold for receiving a melt stream therefrom. A second, front-mounted nozzle is coupled to the first nozzle by a nozzle link that is provided between the first and second nozzles. A plurality of gate seals are coupled to a forward end of the second nozzle. The gate seals receive melt from a plurality of melt passages and deliver the melt to a plurality of mold cavities through respective gates. The second nozzle is slidably removable from the first nozzle via the nozzle link to facilitate repair or replacement of the gate seals.Type: ApplicationFiled: November 29, 2007Publication date: March 20, 2008Inventors: Denis Babin, Terry Schwenk, Robert Sicilia
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Patent number: 7306454Abstract: An injection molding apparatus includes a first, rear-mounted nozzle that is coupled to a manifold for receiving a melt stream therefrom. A second, front-mounted nozzle is coupled to the first nozzle by a nozzle link that is provided between the first and second nozzles. A plurality of gate seals are coupled to a forward end of the second nozzle. The gate seals receive melt from a plurality of melt passages and deliver the melt to a plurality of mold cavities through respective gates. The second nozzle is slidably removable from the first nozzle via the nozzle link to facilitate repair or replacement of the gate seals.Type: GrantFiled: February 24, 2005Date of Patent: December 11, 2007Assignee: Mold-Masters LimitedInventors: Denis Babin, Terry Schwenk, Robert Sicilia
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Patent number: 7270538Abstract: A mixing device for use with a manifold in an injection molding apparatus. The mixing device has a body which has a melt channel therethrough. The melt channel has a plurality of increasing sections which have an increasing cross-sectional area in a downstream direction, and a number of decreasing sections which have a decreasing cross-sectional area in a downstream direction. The increasing and decreasing sections alternate with each other.Type: GrantFiled: October 1, 2003Date of Patent: September 18, 2007Assignee: Mold-Masters LimitedInventor: Robert Sicilia
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Patent number: 7179081Abstract: An edge-gated injection molding apparatus includes a first, rear-mounted nozzle that is coupled to a manifold for receiving a melt stream therefrom. A second, front-mounted nozzle is coupled to the first nozzle by a nozzle link that is provided between the first and second nozzles. A plurality of gate seals are coupled to a forward end of the second nozzle. The gate seals receive melt from a plurality of melt passages and deliver the melt to a plurality of mold cavities through respective gates. The second nozzle is slidably removable from the first nozzle via the nozzle link to facilitate repair or replacement of the gate seals.Type: GrantFiled: April 7, 2004Date of Patent: February 20, 2007Assignee: Mold-Masters LimitedInventors: Robert Sicilia, Terry Schwenk
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Patent number: 7168941Abstract: A seal is provided between a nozzle and a manifold. The seal provides a melt channel between an outlet of the manifold and a nozzle channel. The seal has higher thermal expansion coefficient than both the nozzle and the manifold to provide an improved seal between the manifold and the nozzle when the injection molding apparatus is at an operating temperature.Type: GrantFiled: February 28, 2005Date of Patent: January 30, 2007Assignee: Mold-Masters LimitedInventors: Denis Babin, Craig Renwick, Robert Sicilia, Helen Verriet
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Patent number: 7125243Abstract: A heater assembly for an injection molding apparatus comprises a heater sleeve having a threaded inner surface for engaging a threaded outer surface of a nozzle body of a nozzle or a threaded surface of a mold manifold. A clamping element such as a lock nut or a spring is provided adjacent the heater sleeve. The lock nut and/or the spring abuts the heater sleeve to force the threaded inner surface of the heater sleeve into contact with the threaded outer surface of the nozzle body. This removable clamped heater assembly operates regardless of the temperature of heater.Type: GrantFiled: July 7, 2004Date of Patent: October 24, 2006Assignee: Mold-Masters LimitedInventors: Robert Sicilia, Denis Babin, Hans Guenther
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Publication number: 20050196486Abstract: An injection molding apparatus includes a first, rear-mounted nozzle that is coupled to a manifold for receiving a melt stream therefrom. A second, front-mounted nozzle is coupled to the first nozzle by a nozzle link that is provided between the first and second nozzles. A plurality of gate seals are coupled to a forward end of the second nozzle. The gate seals receive melt from a plurality of melt passages and deliver the melt to a plurality of mold cavities through respective gates. The second nozzle is slidably removable from the first nozzle via the nozzle link to facilitate repair or replacement of the gate seals.Type: ApplicationFiled: February 24, 2005Publication date: September 8, 2005Inventors: Denis Babin, Terry Schwenk, Robert Sicilia
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Publication number: 20050142247Abstract: A seal is provided between a nozzle and a manifold. The seal provides a melt channel between an outlet of the manifold and a nozzle channel. The seal has higher thermal expansion coefficient than both the nozzle and the manifold to provide an improved seal between the manifold and the nozzle when the injection molding apparatus is at an operating temperature.Type: ApplicationFiled: February 28, 2005Publication date: June 30, 2005Applicant: Mold-Masters LimitedInventors: Denis Babin, Craig Renwick, Robert Sicilia, Helen Verriet
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Patent number: 6887418Abstract: Post-mold cooling of injection molded plastic articles such as preforms is achieved by transferring the articles directly from the mold cavities onto cooling cores carried by a take-out plate. The molded articles are supported on the cooling cores until they become sufficiently frozen that they can be stripped from the cores.Type: GrantFiled: October 24, 2002Date of Patent: May 3, 2005Assignee: Mold-Masters LimitedInventors: George Olaru, Robert Sicilia
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Patent number: 6860732Abstract: A seal is provided between a nozzle and a manifold. The seal provides a melt channel between an outlet of the manifold and a nozzle channel. The seal has higher thermal expansion coefficient than both the nozzle and the manifold to provide an improved seal between the manifold and the nozzle when the injection molding apparatus is at an operating temperature.Type: GrantFiled: February 4, 2003Date of Patent: March 1, 2005Assignee: Mold-Masters LimitedInventors: Denis Babin, Craig Renwick, Robert Sicilia, Helen Verriet
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Publication number: 20050019444Abstract: An edge-gated injection molding apparatus includes a first, rear-mounted nozzle that is coupled to a manifold for receiving a melt stream therefrom. A second, front-mounted nozzle is coupled to the first nozzle by a nozzle link that is provided between the first and second nozzles. A plurality of gate seals are coupled to a forward end of the second nozzle. The gate seals receive melt from a plurality of melt passages and deliver the melt to a plurality of mold cavities through respective gates. The second nozzle is slidably removable from the first nozzle via the nozzle link to facilitate repair or replacement of the gate seals.Type: ApplicationFiled: April 7, 2004Publication date: January 27, 2005Inventors: Robert Sicilia, Terry Schwenk
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Patent number: 6835060Abstract: An injection molding apparatus comprises a first sprue bar element having a first sprue channel for receiving a melt stream of moldable material under pressure. A second sprue bar element has a second sprue channel for selectively receiving the melt stream from the first sprue channel. A manifold has a manifold channel for receiving the melt stream from the second sprue channel and delivering the melt stream to a nozzle channel of a nozzle. A mold cavity receives the melt stream from the nozzle. The nozzle channel communicates with the mold cavity through a mold gate. A first gate assembly is coupled to an outlet of the first sprue bar element for selectively restricting the flow of the melt stream from the first sprue channel. The first gate assembly is movable to restrict the flow when the flow of the melt stream between the first sprue channel and the second sprue channel is interrupted.Type: GrantFiled: February 19, 2002Date of Patent: December 28, 2004Assignee: Mold-Masters LimitedInventor: Robert Sicilia
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Publication number: 20040258793Abstract: A heater assembly for an injection molding apparatus comprises a heater sleeve having a threaded inner surface for engaging a threaded outer surface of a nozzle body of a nozzle or a threaded surface of a mold manifold. A clamping element such as a lock nut or a spring is provided adjacent the heater sleeve. The lock nut and/or the spring abuts the heater sleeve to force the threaded inner surface of the heater sleeve into contact with the threaded outer surface of the nozzle body. This removable clamped heater assembly operates regardless of the temperature of heater.Type: ApplicationFiled: July 7, 2004Publication date: December 23, 2004Applicant: Mold-Masters LimitedInventors: Robert Sicilia, Denis Babin, Hans Guenther
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Patent number: 6780003Abstract: A heater assembly for an injection molding apparatus comprises a heater sleeve having a threaded inner surface for engaging a threaded outer surface of a nozzle body of a nozzle or a threaded surface of a mold manifold. A clamping element such as a lock nut or a spring is provided adjacent the heater sleeve. The lock nut and/or the spring abuts the heater sleeve to force the threaded inner surface of the heater sleeve into contact with the threaded outer surface of the nozzle body. This removable clamped heater assembly operates regardless of the temperature of heater.Type: GrantFiled: August 2, 2002Date of Patent: August 24, 2004Assignee: Mold-Masters LimitedInventors: Robert Sicilia, Denis Babin, Hans Guenther
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Publication number: 20040146598Abstract: An injection molding apparatus includes a manifold and a nozzle, which is received in an opening in a mold plate, including a nozzle channel for receiving the melt stream from the manifold channel, the nozzle channel being aligned with a first axis. A nozzle tip is received in a downstream end of the nozzle. The nozzle tip includes a melt channel for receiving the melt stream from the nozzle channel of the nozzle. A valve pin guiding portion is provided at a downstream end of the nozzle tip including an outwardly extending flange having a peripheral edge that abuts an inner wall of the opening to align the melt channel with a second axis through a mold gate. A valve pin is movable through the melt channel to selectively open the mold gate. Wherein the nozzle tip is flexible in order to compensate for the first axis and the second axis being out of alignment.Type: ApplicationFiled: November 4, 2003Publication date: July 29, 2004Applicant: Mold-Masters Ltd.Inventors: Robert Sicilia, Denis Babin
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Publication number: 20040130062Abstract: A mixing device for use with a manifold in an injection molding apparatus. The mixing device has a body which has a melt channel therethrough. The melt channel has a plurality of increasing sections which have an increasing cross-sectional area in a downstream direction, and a number of decreasing sections which have a decreasing cross-sectional area in a downstream direction. The increasing and decreasing sections alternate with each other.Type: ApplicationFiled: October 1, 2003Publication date: July 8, 2004Inventor: Robert Sicilia
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Publication number: 20040022891Abstract: A heater assembly for an injection molding apparatus comprises a heater sleeve having a threaded inner surface for engaging a threaded outer surface of a nozzle body of a nozzle or a threaded surface of a mold manifold. A clamping element such as a lock nut or a spring is provided adjacent the heater sleeve. The lock nut and/or the spring abuts the heater sleeve to force the threaded inner surface of the heater sleeve into contact with the threaded outer surface of the nozzle body. This removable clamped heater assembly operates regardless of the temperature of heater.Type: ApplicationFiled: August 2, 2002Publication date: February 5, 2004Inventors: Robert Sicilia, Denis Babin, Hans Guenther
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Publication number: 20040005380Abstract: A seal is provided between a nozzle and a manifold. The seal provides a melt channel between an outlet of the manifold and a nozzle channel. The seal has higher thermal expansion coefficient than both the nozzle and the manifold to provide an improved seal between the manifold and the nozzle when the injection molding apparatus is at an operating temperature.Type: ApplicationFiled: February 4, 2003Publication date: January 8, 2004Inventors: Denis Babin, Craig Renwick, Robert Sicilia, Helen Verriet
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Patent number: 6634877Abstract: An injection molding machine for forming a multi-layer plastic article by over molding where the second layer of the article includes a portion having a different geometrical profile than the first. The injection mold machine comprises an array of one or more cores which engage arrays of one or more first cavity and arrays of one or more composite cavities. Each composite cavity is formed from the combination of a second cavity and a cavity extension which carries at least a portion of the different geometrical profile. In one embodiment, the cavity extension comprises a pair of cavity portions which are mounted adjacent the core to laterally moveable slides on a movable platen. In another embodiment, the cavity extension is a single element which is moved between a disengaged position wherein the core can be inserted into the first cavity and an engaged position wherein the core is inserted into the composite cavity.Type: GrantFiled: October 5, 2001Date of Patent: October 21, 2003Assignee: Husky Injection Molding Systems, Ltd.Inventors: Robert Sicilia, Robert Schad, Tom Mcginley, Doug Hietkamp, Bruce Catoen