Patents by Inventor Derek Robertson McCready
Derek Robertson McCready 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: 11826936Abstract: In an aspect, a mold stack may comprise two adjacent components, one at least partially defining a vent adjustable between a molding configuration and a cleaning configuration. A junction of the components may be adjustable between a molding configuration, wherein mating faces contact one another to define a parting line, and a cleaning configuration, wherein mating faces are separated to create a molding cavity extension therebetween and an auxiliary melt barrier prevents uncontrolled flashing from the extension.Type: GrantFiled: July 13, 2022Date of Patent: November 28, 2023Assignee: HUSKY INJECTION MOLDING SYSTEMS LTD.Inventors: Sven Kmoch, Ralf Walter Fisch, Derek Robertson McCready, Renato Papa, Maxfield Paul Bradshaw
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Patent number: 11607830Abstract: Disclosed herein, amongst other things, is, a stripper assembly operable to eject a molded article from a mold that includes slides that are movable laterally relative to each, a first split mold insert inter-connected to a first slide and a second split mold insert inter-connected to a second slide. The system being operable such that when the first and second slides are in the closed position, the first and second split mold inserts form at least a portion of the molding cavity; the system being operable such that such during operation of the injection molding system, the first split mold insert is movable relative to the respective first slide and the second split mold insert being movable relative to the second slide.Type: GrantFiled: June 11, 2018Date of Patent: March 21, 2023Assignee: HUSKY INJECTION MOLDING SYSTEMS LTD.Inventors: Renato Papa, Derek Robertson McCready, Adrian Peter Looije
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Publication number: 20220347902Abstract: In an aspect, a mold stack may comprise two adjacent components, one at least partially defining a vent adjustable between a molding configuration and a cleaning configuration. A junction of the components may be adjustable between a molding configuration, wherein mating faces contact one another to define a parting line, and a cleaning configuration, wherein mating faces are separated to create a molding cavity extension therebetween and an auxiliary melt barrier prevents uncontrolled flashing from the extension.Type: ApplicationFiled: July 13, 2022Publication date: November 3, 2022Inventors: Sven KMOCH, Ralf Walter FISCH, Derek Robertson MCCREADY, Renato PAPA, Maxfield Paul BRADSHAW
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Patent number: 11420369Abstract: In an aspect, a mold stack may comprise two adjacent components, one at least partially defining a vent adjustable between a molding configuration and a cleaning configuration. A junction of the components may be adjustable between a molding configuration, wherein mating faces contact one another to define a parting line, and a cleaning configuration, wherein mating faces are separated to create a molding cavity extension therebetween and an auxiliary melt barrier prevents uncontrolled flashing from the extension. In another aspect, a mold shut height adjustment mechanism may include a mold component movable along an operational axis of the mold, a stop member, movable along the axis relative to the mold component, having first and second stops for providing first and second gaps on the front and back sides, respectively, of the mold component when the stop member is deployed, and a spacer for use in selectively deploying the stop member.Type: GrantFiled: May 28, 2020Date of Patent: August 23, 2022Assignee: Husky Injection Molding Systems Ltd.Inventors: Sven Kmoch, Ralf Walter Fisch, Derek Robertson McCready, Renato Papa, Maxfield Paul Bradshaw
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Publication number: 20220032517Abstract: A preform mold (100) including a core plate (210), a cavity plate (410) and a plurality of mold stacks (MS) mounted between the core and cavity plates (210, 410). Each mold stack (MS) includes a core insert (250) mounted to the core plate (210), a cavity insert (440) mounted to the cavity plate (410) and split mold inserts (350) mounted between the core and cavity inserts (250, 440). The core inserts (250) are mounted to the core plate (210) by fasteners accessible from a rear side of the core plate (210). When the mold (100) is assembled, the core inserts (250) can be secured by the fasteners in a fixed condition in which they are immovable relative to the core plate (210). Also disclosed is a method of aligning the core inserts (250) by securing the core inserts (250) from a floating condition, in which they are able to slide relative to the core plate (210) along a sliding interface therebetween, to the fixed condition.Type: ApplicationFiled: November 20, 2019Publication date: February 3, 2022Inventor: Derek Robertson MCCREADY
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Publication number: 20210170653Abstract: Disclosed herein, amongst other things, is, a stripper assembly operable to eject a molded article from a mold that includes slides that are movable laterally relative to each, a first split mold insert inter-connected to a first slide and a second split mold insert inter-connected to a second slide. The system being operable such that when the first and second slides are in the closed position, the first and second split mold inserts form at least a portion of the molding cavity; the system being operable such that such during operation of the injection molding system, the first split mold insert is movable relative to the respective first slide and the second split mold insert being movable relative to the second slide.Type: ApplicationFiled: June 11, 2018Publication date: June 10, 2021Inventors: Renato PAPA, Derek Robertson MCCREADY, Adrian Peter LOOIJE
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Publication number: 20200290251Abstract: In an aspect, a mold stack may comprise two adjacent components, one at least partially defining a vent adjustable between a molding configuration and a cleaning configuration. A junction of the components may be adjustable between a molding configuration, wherein mating faces contact one another to define a parting line, and a cleaning configuration, wherein mating faces are separated to create a molding cavity extension therebetween and an auxiliary melt barrier prevents uncontrolled flashing from the extension. In another aspect, a mold shut height adjustment mechanism may include a mold component movable along an operational axis of the mold, a stop member, movable along the axis relative to the mold component, having first and second stops for providing first and second gaps on the front and back sides, respectively, of the mold component when the stop member is deployed, and a spacer for use in selectively deploying the stop member.Type: ApplicationFiled: May 28, 2020Publication date: September 17, 2020Inventors: Sven KMOCH, Ralf Walter FISCH, Derek Robertson McCREADY, Renato PAPA, Maxfield Paul BRADSHAW
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Patent number: 10703034Abstract: In an aspect, a mold stack may comprise two adjacent components, one at least partially defining a vent adjustable between a molding configuration and a cleaning configuration. A junction of the components may be adjustable between a molding configuration, wherein mating faces contact one another to define a parting line, and a cleaning configuration, wherein mating faces are separated to create a molding cavity extension therebetween and an auxiliary melt barrier prevents uncontrolled flashing from the extension. In another aspect, a mold shut height adjustment mechanism may include a mold component movable along an operational axis of the mold, a stop member, movable along the axis relative to the mold component, having first and second stops for providing first and second gaps on the front and back sides, respectively, of the mold component when the stop member is deployed, and a spacer for use in selectively deploying the stop member.Type: GrantFiled: February 24, 2016Date of Patent: July 7, 2020Assignee: Husky Injection Molding Systems Ltd.Inventors: Sven Kmoch, Ralf Walter Fisch, Derek Robertson McCready, Renato Papa, Maxfield Paul Bradshaw
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Publication number: 20180050476Abstract: In an aspect, a mold stack may comprise two adjacent components, one at least partially defining a vent adjustable between a molding configuration and a cleaning configuration. A junction of the components may be adjustable between a molding configuration, wherein mating faces contact one another to define a parting line, and a cleaning configuration, wherein mating faces are separated to create a molding cavity extension therebetween and an auxiliary melt barrier prevents uncontrolled flashing from the extension. In another aspect, a mold shut height adjustment mechanism may include a mold component movable along an operational axis of the mold, a stop member, movable along the axis relative to the mold component, having first and second stops for providing first and second gaps on the front and back sides, respectively, of the mold component when the stop member is deployed, and a spacer for use in selectively deploying the stop member.Type: ApplicationFiled: February 24, 2016Publication date: February 22, 2018Inventors: Sven KMOCH, Ralf Walter FISCH, Derek Robertson McCREADY, Renato PAPA, Maxfield Paul BRADSHAW
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Publication number: 20150110916Abstract: Disclosed herein is, amongst other things, a mold stack that includes a core insert, a core ring, and a split insert that are configured to cooperate, in use, to define a molding cavity. The core insert defines a ring seat on a medial portion thereof upon which the core ring may be seated, in use, in cooperation with a mounting interface thereon. The split insert defines a pocket that extends coaxially through a second projecting portion thereof within which to receive a projecting portion of the core ring. The core ring and the split insert being further configured to define a core ring-to-split insert parting line that is within the pocket of the split insert. The core ring further defines a first split insert seat for receiving the second projecting portion of the split insert.Type: ApplicationFiled: January 5, 2015Publication date: April 23, 2015Applicant: Husky Injection Molding Systems Ltd.Inventors: Renato PAPA, Derek Robertson McCREADY, Maxfield Paul BRADSHAW
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Patent number: 8974220Abstract: There is provided a molding stack assembly (202) for producing a molded article (214), the molded article (214) including a neck finish (218) which includes a support ledge (222), the molded article (214) suitable for subsequent blow-molding into a final shaped container.Type: GrantFiled: February 27, 2012Date of Patent: March 10, 2015Assignee: Husky Injection Molding Systems Ltd.Inventor: Derek Robertson McCready
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Patent number: 8956150Abstract: Disclosed herein is, amongst other things, a molding apparatus that includes a core ring (140, 340, 440, 540, 640, 740) that is configured to seat, in use, around a core insert (120, 320, 420, 620) in a mold stack (116, 216, 316, 416, 516, 616, 716). The core ring (140, 340, 440, 540, 640, 740) is configured to be received, at least in part, within a pocket (152) that is defined within a split insert (150) of the mold stack (116, 216, 316, 416, 516, 616, 716). The core ring (140, 340, 440, 540, 640, 740) is also configured to define at least a portion of a molding cavity (119) having a core ring-to-split insert parting line (180) that is within the pocket (152) of the split insert (150).Type: GrantFiled: August 11, 2011Date of Patent: February 17, 2015Assignee: Husky Injection Molding Systems Ltd.Inventors: Renato Papa, Derek Robertson McCready, Maxfield Paul Bradshaw
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Patent number: 8944808Abstract: Disclosed herein are, amongst other things, a molding apparatus with which to mold, in use, a preform of a type for blow molding into a container. The molding apparatus includes a lock ring (104, 204) for use in a first stack portion (108) of a mold stack (120). The lock ring (104, 204) includes a tubular body (150, 250) that is configured to define, amongst other things, a support interface (194) in cooperation, in use, with a split insert (6, 106) of the first stack portion through which a compressive load is transferrable during molding of the preform, wherein the support interface (194) includes a support shelf (154) that is defined, at least in part, on a first major promontory (152, 252) of the tubular body (150, 250).Type: GrantFiled: September 22, 2011Date of Patent: February 3, 2015Assignee: Husky Injection Molding Systems Ltd.Inventors: William James Andrew Jacovich, Renato Papa, Derek Robertson McCready
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Patent number: 8899962Abstract: There is provided a stripper assembly (212) for use in a mold stack (202) for forming a preform (210) suitable for blow-molding into a final-shaped container.Type: GrantFiled: September 22, 2011Date of Patent: December 2, 2014Assignee: Husky Injection Molding Systems Ltd.Inventors: Derek Robertson McCready, Renato Papa
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Publication number: 20140010909Abstract: There is provided a molding stack assembly (202) for producing a molded article (214), the molded article (214) including a neck finish (218) which includes a support ledge (222), the molded article (214) suitable for subsequent blow-molding into a final shaped container.Type: ApplicationFiled: February 27, 2012Publication date: January 9, 2014Inventor: Derek Robertson McCready
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Publication number: 20130243897Abstract: There is provided a stripper assembly (212) for use in a mold stack (202) for forming a preform (210) suitable for blow-molding into a final-shaped container.Type: ApplicationFiled: September 22, 2011Publication date: September 19, 2013Inventors: Derek Robertson McCready, Renato Papa
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Patent number: 8535045Abstract: According to embodiments of the present invention, there is provided a cavity insert for a molding system, the cavity insert having a deformable portion. More specifically, A cavity insert (106) is provided, the cavity insert (106) is for a molding stack (102) for use in an injection mold, the cavity insert (106). The cavity insert (106) comprises a body (122) configured to be received, in use, within a cavity plate (104) of the injection mold; the body (122) defining: a cavity molding surface (124) along an inner portion thereof; a circumferentially deformable portion (123); and an actuator interface (134) configured to cooperate, in use, with a complementary actuating interface (136) that is defined on a compression member (138) to generate a compressive force that selectively elastically deforms the circumferentially deformable portion (123).Type: GrantFiled: April 8, 2010Date of Patent: September 17, 2013Assignee: Husky Injection Molding Systems Ltd.Inventor: Derek Robertson McCready
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Patent number: D730416Type: GrantFiled: January 10, 2013Date of Patent: May 26, 2015Assignee: Husky Injection Molding Systems Ltd.Inventors: William Andrew James Jacovich, Renato Papa, Derek Robertson McCready
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Patent number: D958205Type: GrantFiled: April 19, 2021Date of Patent: July 19, 2022Assignee: Husky Injection Molding Systems Ltd.Inventor: Derek Robertson McCready
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Patent number: D986933Type: GrantFiled: July 16, 2021Date of Patent: May 23, 2023Assignee: Husky Injection Molding Systems Ltd.Inventors: Adrian Peter Looije, Baltej Singh Pannu, Bruno Guiseppe Sodaro, Derek Robertson McCready, Maxfield Paul Bradshaw