Patents by Inventor Ralf Walter Fisch
Ralf Walter Fisch 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: 11964415Abstract: An injection molding apparatus comprises a support base and a mold carrier removably mounted to the support base. The mold carrier includes a mounting plate with attachment features for engaging the support base. A mold with two mold plates is slidably mounted to the mounting 5 plate. A clamp is operable to move the plates between open and closed positions. In the closed position, the plates abut one another. In the open position, the plates are spaced apart for removing molded articles.Type: GrantFiled: August 29, 2019Date of Patent: April 23, 2024Assignee: HUSKY INJECTION MOLDING SYSTEMS LTDInventors: Joaquim Martins Nogueira, Adam Christopher Ulemek, Ralf Walter Fisch, Sven Kmoch, Alex Teng
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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: 11820060Abstract: There is provided a structure for positioning a first mold part of a mold on a mold mounting face in an injection molding machine. The structure comprises a positioner configured to connect the first mold part to part of the injection molding machine, wherein the positioner is adjustable to position the first mold part on the mold mounting face. The structure further comprises controller executable instructions executable in a controller with which to resolve an alignment parameter of the mold using a feedback signal from a sensor. Further provided is a method of operating an injection molding machine which method comprises the steps of positioning a first mold part of a mold on a mold mounting face using a positioner and appreciating an alignment parameter of the mold with reference to a feedback signal from a sensor.Type: GrantFiled: October 21, 2021Date of Patent: November 21, 2023Assignee: HUSKY INJECTION MOLDING SYSTEMS LTD.Inventors: Dietmar Tiemo Brand, Ralf Walter Fisch, Sven Kmoch, Andre Axel Kromberg, Adrian Peter Looije, Peter Adrian Looije, Ruud Maria Theodorus Luijs, Jan Marius Manda, Renato Papa, Dirk Holger Schlums, Alex Teng, Jean-Christophe Witz, Bruno Giuseppe Sodaro, Maxfield Paul Bradshaw
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Patent number: 11518077Abstract: A plastic molding system comprises: dispensing, pre-shaping and shaping cells and a transport subsystem. The dispensing cell has a station for dispensing a dose of plastic feedstock. The pre-shaping and shaping cells each comprise a plurality of stations for shaping the workpiece into a preform shape and into a final shape, respectively. The transport subsystem advances a workpiece along a selected one of a plurality of process paths to form a molded article. Each of the plurality of process paths is defined by a combination of stations of the dispensing cell, the pre-shaping cell and the shaping cell.Type: GrantFiled: August 29, 2019Date of Patent: December 6, 2022Assignee: HUSKY INJECTION MOLDING SYSTEMS LTD.Inventors: Joachim Johannes Niewels, Adam Christopher Ulemek, Peter Yankov, Sven Kmoch, Ralf Walter Fisch, Christophe Halter, Darrin Albert Macleod, Teng Guo, Joaquim Martins Nogueira
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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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Publication number: 20220332028Abstract: A plastic molding system comprises: dispensing, pre-shaping and shaping cells and a transport subsystem. The dispensing cell has a station for dispensing a dose of plastic feedstock. The pre-shaping and shaping cells each comprise a plurality of stations for shaping the workpiece into a preform shape and into a final shape, respectively. The transport subsystem advances a workpiece along a selected one of a plurality of process paths to form a molded article. Each of the plurality of process paths is defined by a combination of stations of the dispensing cell, the pre-shaping cell and the shaping cell.Type: ApplicationFiled: April 19, 2022Publication date: October 20, 2022Inventors: Joachim Johannes NIEWELS, Adam Christopher ULEMEK, Peter YANKOV, Sven KMOCH, Ralf Walter FISCH, Christophe HALTER, Darrin Albert MACLEOD, Teng GUO, Joaquim Martins NOGUEIRA
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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: 20220040898Abstract: There is provided a structure for positioning a first mold part of a mold on a mold mounting face in an injection molding machine. The structure comprises a positioner configured to connect the first mold part to part of the injection molding machine, wherein the positioner is adjustable to position the first mold part on the mold mounting face. The structure further comprises controller executable instructions executable in a controller with which to resolve an alignment parameter of the mold using a feedback signal from a sensor. Further provided is a method of operating an injection molding machine which method comprises the steps of positioning a first mold part of a mold on a mold mounting face using a positioner and appreciating an alignment parameter of the mold with reference to a feedback signal from a sensor.Type: ApplicationFiled: October 21, 2021Publication date: February 10, 2022Inventors: Dietmar Tiemo BRAND, Ralf Walter Fisch, Sven Kmoch, Andre Axel Kromberg, Adrian Peter Looije, Peter Adrian Looije, Ruud Maria Theodorus Luijs, Jan Marius Manda, Renato Papa, Dirk Holger Schlums, Alex Teng, Jean-Christophe Witz, Bruno Giuseppe Sodaro, Maxfield Paul Bradshaw
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Publication number: 20210394415Abstract: An injection molding apparatus comprises a support base and a mold carrier removably mounted to the support base. The mold carrier includes a mounting plate with attachment features for engaging the support base. A mold with two mold plates is slidably mounted to the mounting 5 plate. A clamp is operable to move the plates between open and closed positions. In the closed position, the plates abut one another. In the open position, the plates are spaced apart for removing molded articles.Type: ApplicationFiled: August 29, 2019Publication date: December 23, 2021Inventors: Joaquim Martins NOGUEIRA, Adam Christopher ULEMEK, Ralf Walter FISCH, Sven KMOCH, Alex TENG
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Patent number: 11186024Abstract: Disclosed herein, amongst other things, are structure and steps for positioning a first mold part of a mold on a mold mounting face in an injection molding machine. In particular, the structure and steps may include a positioner that is configured to connect the first mold part to part of the injection molding machine, wherein the positioner is adjustable to position the first mold part across the mold mounting face.Type: GrantFiled: December 5, 2017Date of Patent: November 30, 2021Assignee: Husky Injection Molding Systems Ltd.Inventors: Daniel Hontheim, Dietmar Tiemo Brand, Ralf Walter Fisch, Sven Kmoch, Andre Axel Kromberg, Ruud Luijs, Jan Marius Manda, Renato Papa, Dirk Holger Schlums, Jean-Christophe Witz, Bruno Giuseppe Sodaro, Maxfield Paul Bradshaw
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Patent number: 11186013Abstract: A preform suitable for subsequent blow-molding into a final-shaped container comprises: a neck portion; a base portion; and a body portion extending between the neck portion and the base portion; the body portion being defined between an inner surface having a circular transverse cross-sectional shape and an outer surface also having a circular transverse cross-sectional shape, the inner and outer surfaces being non-concentric, such that a wall thickness of the body portion varies circumferentially around the preform. A preform handling apparatus for retrieving a preform from a mold comprises a take-off device having a preform carrier and a take-off device alignment mechanism for maintaining the preform carrier in alignment with a contact surface of a body portion of the preform regardless of any offset between a longitudinal axis of a cylindrical outer surface of the body portion and a longitudinal axis of a cylindrical inner surface of the body portion.Type: GrantFiled: June 16, 2016Date of Patent: November 30, 2021Assignee: HUSKY INJECTION MOLDING SYSTEMS LTD.Inventors: Jean-Christophe Witz, Ralf Walter Fisch, Christophe Simon Pierre Beck
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Publication number: 20210339442Abstract: A mold assembly includes a services block and a cavity plate defining at least a portion of a molding cavity. A quick connection mechanism can connect and disconnect the plate and the services block. The cavity plate may include a base block and a mold cavity block. A mold assembly may include two opposed combinations of such a service block and a cavity plate each mounted to an opposed platen. The base block may include a quick connection device operable connect with and disconnect from a quick connection device on the services block. A services channel in the cavity plate may connect with and disconnect from a service channel in the services block with a quick connection mechanism. A molding system may include a plurality of such cavity plates, each operable to connect with and disconnect from the same services block.Type: ApplicationFiled: August 29, 2019Publication date: November 4, 2021Inventors: Sven KMOCH, Ralf Walter FISCH, Cedric BOULAY
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Publication number: 20210308918Abstract: A plastic molding system comprises: dispensing, pre-shaping and shaping cells and a transport subsystem. The dispensing cell has a station for dispensing a dose of plastic feedstock. The pre-shaping and shaping cells each comprise a plurality of stations for shaping the workpiece into a preform shape and into a final shape, respectively. The transport subsystem advances a workpiece along a selected one of a plurality of process paths to form a molded article. Each of the plurality of process paths is defined by a combination of stations of the dispensing cell, the pre-shaping cell and the shaping cell.Type: ApplicationFiled: August 29, 2019Publication date: October 7, 2021Inventors: Joachim Johannes NIEWELS, Adam Christopher ULEMEK, Peter YANKOV, Sven KMOCH, Ralf Walter FISCH, Christophe HALTER, Darrin Albert MACLEOD, Teng GUO, Joaquim Martins NOGUEIRA
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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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Patent number: 10421226Abstract: There is provided a mold stack (100). The mold stack (100) comprises a core insert assembly (102), the core insert assembly (102) for defining an inner portion of a molded article to be molded. The core insert assembly (102) includes a sensor assembly (120) configured to measure the in-mold pressure using entire active surface of the core insert assembly (102).Type: GrantFiled: June 2, 2014Date of Patent: September 24, 2019Assignee: HUSKY INJECTION MOLDING SYSTEMS LTD.Inventors: Sebastien Sang Nguyen-Hoang, Jean-Christophe Witz, Ralf Walter Fisch
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Publication number: 20190118409Abstract: A preform suitable for subsequent blow-molding into a final-shaped container comprises: a neck portion; a base portion; and a body portion extending between the neck portion and the base portion; the body portion being defined between an inner surface having a circular transverse cross-sectional shape and an outer surface also having a circular transverse cross-sectional shape, the inner and outer surfaces being non-concentric, such that a wall thickness of the body portion varies circumferentially around the preform. A preform handling apparatus for retrieving a preform from a mold comprises a take-off device having a preform carrier and a take-off device alignment mechanism for maintaining the preform carrier in alignment with a contact surface of a body portion of the preform regardless of any offset between a longitudinal axis of a cylindrical outer surface of the body portion and a longitudinal axis of a cylindrical inner surface of the body portion.Type: ApplicationFiled: June 16, 2016Publication date: April 25, 2019Inventors: Jean-Christophe WITZ, Ralf Walter FISCH, Christophe Simon BECK
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Patent number: 10093055Abstract: Disclosed herein, amongst other things is a component of a molding system (e.g. mold component, post-mold component, etc.) having a heat dissipater that is configured to impart a profiled heat removal rate on a selected portion of a molded article that generally matches a heat distribution therein.Type: GrantFiled: November 29, 2016Date of Patent: October 9, 2018Assignee: HUSKY INJECTION MOLDING SYSTEMS LTD.Inventors: Joachim Johannes Niewels, Scott Michael Stedman, Jean-Christophe Witz, Sven Kmoch, Ralf Walter Fisch, Ruud Maria Theodorus Luijs, Peter Yankov
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Patent number: 10093053Abstract: A mold component configured to be actuated between: a first configuration in which the mold component comprises a passage that allows passage of fluid (such as air) and prevents passage of the melt; and a second configuration in which the passage is actuated such as to become part of a molding surface.Type: GrantFiled: July 19, 2017Date of Patent: October 9, 2018Assignee: HUSKY INJECTION MOLDING SYSTEMS LTD.Inventors: Jean-Christophe Witz, Sven Kmoch, Ralf Walter Fisch
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Publication number: 20180093402Abstract: Disclosed herein, amongst other things, are structure and steps for positioning a first mold part of a mold on a mold mounting face in an injection molding machine. In particular, the structure and steps may include a positioner that is configured to connect the first mold part to part of the injection molding machine, wherein the positioner is adjustable to position the first mold part across the mold mounting face.Type: ApplicationFiled: December 5, 2017Publication date: April 5, 2018Inventors: DANIEL HONTHEIM, Dietmar Tiemo Brand, Ralf Walter Fisch, Sven Kmoch, Andre Axel Kromberg, Ruud Luijs, Jan Marius Manda, Renato Papa, Dirk Holger Schlums, Jean-Christophe Witz, Bruno Giuseppe Sodaro, Maxfield Paul Bradshaw