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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Publication number: 20130341814Abstract: A method is provided of cleaning of a portion of a mold component, the portion of the mold component including a passage configured, in use, to allow passage of fluid and to prevent passage of melt, the method comprising: entering the mold component into a cleaning configuration, whereby a portion of the passage becomes part of a molding surface; performing a molding cycle to fill in at least the portion of the passage with molding material for incorporation and removal of a residue there from. Also provided is a mold having a first mold half and a second mold half, the halves being movable relative to each other.Type: ApplicationFiled: February 1, 2013Publication date: December 26, 2013Applicant: Husky Injection Molding Systems Ltd.Inventors: Jean-Christophe WITZ, Sven Kmoch, Ralf Walter Fisch
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Publication number: 20120308841Abstract: A preform (200, 300, 400, 500, 800a, 800b, 900, 1000) suitable for blow-molding into a final-shaped article is provided. The preform (200, 300, 400, 5000, 800a, 800b) comprises a neck portion (202, 302, 402, 502); a gate portion (206, 306, 406, 506); and a body portion (204, 304, 404, 504) extending between the gate portion (206, 306, 406, 506) and the neck portion (202, 302, 402, 502); the body portion (204, 304, 404, 504) defining: a first portion (210, 310, 410, 510, 810), a second portion (212, 312, 412, 512, 812) and a third portion (214, 314, 414, 514, 814), the second portion being disposed in-between the first portion and the third portion located in sequence along one of: (i) substantially the whole circumference of the body portion and (ii) substantially the whole length of the body portion; one of the first portion, second portion and the third portion having a stretch ratio different that at least one of the other ones of the first portion, the second portion and the third portion.Type: ApplicationFiled: January 20, 2011Publication date: December 6, 2012Inventors: Jean-Christophe Witz, Laurent Christel Sigler, Rainer Kintzinger, Ralf Walter Fisch, Adeline Houssaye
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Patent number: 7802980Abstract: According to embodiments of the present invention, there is provided a system, a method and an apparatus for configuring an end of arm tool within a molding environment. The end of arm tool comprises a base structure attachable, in use, to an actuator of the molding system, the base structure comprising a mounting structure interface; a mounting structure configured to be releasably accepted, in use, within the mounting structure interface; the mounting structure for receiving, in use, a part receptacle; the base structure comprising a service connecting interface configured to connect, in use, a service to the part receptacle via the mounting structure.Type: GrantFiled: April 18, 2007Date of Patent: September 28, 2010Assignee: Husky Injection Molding Systems Ltd.Inventors: Ralf Walter Fisch, Sven Kmoch
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Patent number: 7798804Abstract: According to embodiments of the present invention, there is provided a split mold insert for a molding system. A first split mold insert complementary to a second split mold insert, the first and second split mold inserts configured, in use, to form a neck region of a preform capable of being blow-molded. The first split mold insert comprises a top portion and a bottom portion; the top portion for abutting, in use, a cavity plate assembly and the bottom portion being at an opposite extreme relative to the top portion; a back portion and a face portion opposite each other, extending between the top and bottom portions, the face portion defining a molding surface defining portion for forming, in use, at least a portion of the neck region of the preform; the back portion comprising a connecting interface for connecting, in use, to a slide bar.Type: GrantFiled: April 26, 2007Date of Patent: September 21, 2010Assignee: Husky Injection Molding Systems Ltd.Inventors: Sven Kmoch, Ralf Walter Fisch, Arnold Mai, Friedhelm Schmitz
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Patent number: 7568906Abstract: An injection molding machine is provided, including a nozzle assembly having a channel for conveying a fluid. At least one cavity insert is removably mounted within a cavity plate, the at least one cavity insert defining a mold cavity, and a first portion of a gate for communicating the fluid between the nozzle assembly and the mold cavity. A gate insert defines a receptacle for the nozzle assembly, and further defining a second portion of the gate. The gate insert is floatably retained between the nozzle assembly and the at least one cavity insert. Preferably, the gate insert is retained by a gate insert plate that is disposed between the cavity plate and the nozzle assembly.Type: GrantFiled: April 30, 2007Date of Patent: August 4, 2009Assignee: Husky Injection Molding Systems Ltd.Inventors: Sven Kmoch, Ralf Walter Fisch, Derek Robertson McCready
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Patent number: 7566216Abstract: An injection molding machine is provided, including a nozzle assembly having a channel for conveying a fluid. At least one cavity insert is removably mounted within a cavity plate, the at least one cavity insert defining a mold cavity, and a first portion of a gate for communicating the fluid between the nozzle assembly and the mold cavity. A gate insert defines a receptacle for the nozzle assembly, and further defining a second portion of the gate. The gate insert is floatably retained between the nozzle assembly and the at least one cavity insert. Preferably, the gate insert is retained by a gate insert plate that is disposed between the cavity plate and the nozzle assembly.Type: GrantFiled: April 29, 2007Date of Patent: July 28, 2009Assignee: Husky Injection Molding Systems Ltd.Inventors: Sven Kmoch, Ralf Walter Fisch, Derek Robertson McCready, Joachim Johannes Niewels
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Publication number: 20090061043Abstract: A mold insert retaining structure including a retainer plate connectable, in use, to a mold plate with a spring-clamp, a complementary bayonet structure defined on the retainer plate and a mold insert for providing a twistable interconnection therebetween, a portion of the mold insert clamped between the retainer plate and the mold plate.Type: ApplicationFiled: August 27, 2007Publication date: March 5, 2009Inventors: Ralf Walter FISCH, Sven Kmoch
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Publication number: 20080286403Abstract: An air ring is provided for a stripper plate assembly. The air ring is removably situated within bores defined in the stripper plate. An air manifold is also defined within the stripper plate, which is connected to a pressurized air source for communication of a pressurized air flow to each of the bores air ducts within each air ring direct the pressurized air flow from the air manifold towards a preferred location on the molded article that passed through the air ring.Type: ApplicationFiled: May 16, 2007Publication date: November 20, 2008Applicant: Husky Injection Molding Systems Ltd.Inventors: Ralf Walter FISCH, Sven KMOCH
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Publication number: 20080268090Abstract: According to embodiments of the present invention, there is provided a slide bar for slidably linking a split mold insert to a first mold half of an injection mold for forming a preform capable of being blow-molded into a container. The slide bar comprises a base structure defining a first slide interface for linking the base structure to an actuating bar of the injection mold; a second slide interface for receiving the split mold insert; a third slide interface for cooperating with a locking structure of the first mold half of the injection mold; the second slide interface and the third slide interface formed on opposing extremes of the base structure.Type: ApplicationFiled: April 26, 2007Publication date: October 30, 2008Applicant: HUSKY INJECTION MOLDING SYSTEMS LTD.Inventors: Sven KMOCH, Ralf Walter FISCH, Arnold MAI, Friedhelm SCHMITZ
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Publication number: 20080268086Abstract: According to embodiments of the present invention, there is provided a split mold insert for a molding system. A first split mold insert complementary to a second split mold insert, the first and second split mold inserts configured, in use, to form a neck region of a preform capable of being blow-molded. The first split mold insert comprises a top portion and a bottom portion; the top portion for abutting, in use, a cavity plate assembly and the bottom portion being at an opposite extreme relative to the top portion; a back portion and a face portion opposite each other, extending between the top and bottom portions, the face portion defining a molding surface defining portion for forming, in use, at least a portion of the neck region of the preform; the back portion comprising a connecting interface for connecting, in use, to a slide bar.Type: ApplicationFiled: April 26, 2007Publication date: October 30, 2008Applicant: Husky Injection Molding Systems, Ltd.Inventors: Sven Kmoch, Ralf Walter Fisch, Arnold Mai, Friedhelm Schmitz
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Publication number: 20080268088Abstract: An injection molding machine is provided, including a nozzle assembly having a channel for conveying a fluid. At least one cavity insert is removably mounted within a cavity plate, the at least one cavity insert defining a mold cavity, and a first portion of a gate for communicating the fluid between the nozzle assembly and the mold cavity. A gate insert defines a receptacle for the nozzle assembly, and further defining a second portion of the gate. The gate insert is floatably retained between the nozzle assembly and the at least one cavity insert. Preferably, the gate insert is retained by a gate insert plate that is disposed between the cavity plate and the nozzle assembly.Type: ApplicationFiled: April 30, 2007Publication date: October 30, 2008Inventors: Sven Kmoch, Ralf Walter Fisch, Derek Robertson McCready
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Publication number: 20080268089Abstract: An injection molding machine is provided, including a nozzle assembly having a channel for conveying a fluid. At least one cavity insert is removably mounted within a cavity plate, the at least one cavity insert defining a mold cavity, and a first portion of a gate for communicating the fluid between the nozzle assembly and the mold cavity. A gate insert defines a receptacle for the nozzle assembly, and further defining a second portion of the gate. The gate insert is floatably retained between the nozzle assembly and the at least one cavity insert. Preferably, the gate insert is retained by a gate insert plate that is disposed between the cavity plate and the nozzle assembly.Type: ApplicationFiled: April 29, 2007Publication date: October 30, 2008Inventors: Sven KMOCH, Ralf Walter FISCH, Derek Robertson McCREADY, Joachim Johannes NIEWELS
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Publication number: 20080256789Abstract: According to embodiments of the present invention, there is provided a system, a method and an apparatus for configuring an end of arm tool within a molding environment. The end of arm tool comprises a base structure attachable, in use, to an actuator of the molding system, the base structure comprising a mounting structure interface; a mounting structure configured to be releasably accepted, in use, within the mounting structure interface; the mounting structure for receiving, in use, a part receptacle; the base structure comprising a service connecting interface configured to connect, in use, a service to the part receptacle via the mounting structure.Type: ApplicationFiled: April 18, 2007Publication date: October 23, 2008Applicant: HUSKY INJECTION MOLDING SYSTEMS LTD.Inventors: Ralf Walter FISCH, Sven KMOCH
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Patent number: D699770Type: GrantFiled: June 17, 2013Date of Patent: February 18, 2014Assignee: Husky Injection Molding Systems, Ltd.Inventors: Sven Kmoch, Ralf Walter Fisch
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Patent number: D700224Type: GrantFiled: June 17, 2013Date of Patent: February 25, 2014Assignee: Husky Injection Molding Systems, Ltd.Inventors: Sven Kmoch, Ralf Walter Fisch