Patents by Inventor Witold Neter
Witold Neter 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: 8845321Abstract: A split thread insert is disclosed with integral cooling channels utilized for the continuous internal circulation of cooling fluid around a molding surface of the split thread insert, wherein the molding surface forms a neck area of a preform during an injection molding process. The molding surface of the split thread insert is semi-circular with a profile corresponding with a threaded area of the preform. The split thread insert is assembled from two or more cut pieces, wherein at least one of the cut pieces includes a curved groove formed therein proximate the molding surface for forming a curved cooling fluid channel when the cut pieces are joined to form the split thread insert. The cooling fluid channel includes a flow diverter positioned therein for defining a portion of a continuous cooling fluid circuit of the split thread insert.Type: GrantFiled: March 1, 2012Date of Patent: September 30, 2014Assignee: Mold-Masters (2007) LimitedInventor: Witold Neter
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Patent number: 8696347Abstract: A system for the post-treatment of preforms (9) produced by means of injection moulding, including a removal element (4) having at least one receiving element (5) for receiving a preform (9), and a device for moving the removal element (4) between two tool halves of an opened injection moulding mould and for moving the removal element (4) out of the opened injection moulding mould, a post-treatment element (6) having at least one post-treatment pin (7) having a pin-shaped passage element (7), of which one end can be connected to the environment or a vacuum or reduced-pressure source and of which the other end has an outlet (18) for a coolant, and a motion device with which the removal element (4) can be reciprocated relative to the post-treatment element (6) between a first position in which the post-treatment pin (7) is positioned within the receiving element (5) and a second position in which the post-treatment pin (7) is not positioned within the receiving element (5), wherein the removal element (4) and tType: GrantFiled: December 12, 2008Date of Patent: April 15, 2014Assignee: MHT Mold & Hotrunner Technology AGInventors: Witold Neter, Helmut Thoemmes, Rainer Petry, Christian Wagner
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Publication number: 20130230616Abstract: A split thread insert is disclosed with integral cooling channels utilized for the continuous internal circulation of cooling fluid around a molding surface of the split thread insert, wherein the molding surface forms a neck area of a preform during an injection molding process. The molding surface of the split thread insert is semi-circular with a profile corresponding with a threaded area of the preform. The split thread insert is assembled from two or more cut pieces, wherein at least one of the cut pieces includes a curved groove formed therein proximate the molding surface for forming a curved cooling fluid channel when the cut pieces are joined to form the split thread insert. The cooling fluid channel includes a flow diverter positioned therein for defining a portion of a continuous cooling fluid circuit of the split thread insert.Type: ApplicationFiled: March 1, 2012Publication date: September 5, 2013Applicant: MOLD-MASTERS (2007) LIMITEDInventor: Witold Neter
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Patent number: 8500435Abstract: A system for the after-treatment of parisons (7) produced in an injection molding mold, comprising at least two after-treatment tools. To provide a system for the after-treatment of parisons produced in an injection molding mold, by means of which a plurality of after-treatment tools can be easily positioned, it is proposed in accordance with the invention that there is provided a positioning device for positioning the first after-treatment tool in at least one positioning direction, and the at least two after-treatment tools are connected together so that with the positioning device for positioning the first after-treatment tool at least one further after-treatment tool can be positioned by suitable positioning of the first after-treatment tool.Type: GrantFiled: June 1, 2007Date of Patent: August 6, 2013Assignee: MHT Mold Hotrunner Technology AGInventors: Witold Neter, Helmut Thoemmes, Christian Wagner
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Patent number: 8202081Abstract: A cavity member for a mold cavity structure for the production of hollow body moldings, wherein the cavity member has a substantially hollow-cylindrical element, wherein a cooling passage is provided at the outside of the hollow-cylindrical element. To provide a cavity member which is simple to manufacture and which permits more effective cooling of the cavity member it is proposed in accordance with the invention that there are provided one or more guide elements for forming the cooling passage, wherein the guide elements and the hollow-cylindrical element are in the form of separate parts.Type: GrantFiled: June 14, 2007Date of Patent: June 19, 2012Assignee: MHT Mold & Hotrunner Technology AGInventors: Witold Neter, Helmut Thoemmes, Marek Hoenisch
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Patent number: 8182261Abstract: A bottom insert for a mold cavity for the production of moldings of plastic material. The mold cavity has a main body with a hot side which has a recess for receiving molten plastic material under pressure and a cold side having a recess, the inside contour of which is intended to come into contact with the molding to be produced and to shape the outside contour thereof. A gate (17) is provided that connects the recess of the hot side to the recess of the cold side and is intended to introduce molten plastic material from the hot side into the cold side. In accordance with the invention there is provided a device for thermal insulation within the bottom insert between the hot side and the cold side of the bottom insert to permit more rapid cooling of the cold side by restricting heat flow from the hot side.Type: GrantFiled: May 3, 2007Date of Patent: May 22, 2012Assignee: MHT Mold & Hotrunner Technology AGInventors: Witold Neter, Helmut Thömmes, Stefan Schweininger
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Publication number: 20110305789Abstract: A system for the post-treatment of preforms (9) produced by means of injection moulding, including a removal element (4) having at least one receiving element (5) for receiving a preform (9), and a device for moving the removal element (4) between two tool halves of an opened injection moulding mould and for moving the removal element (4) out of the opened injection moulding mould, a post-treatment element (6) having at least one post-treatment pin (7) having a pin-shaped passage element (7), of which one end can be connected to the environment or a vacuum or reduced-pressure source and of which the other end has an outlet (18) for a coolant, and a motion device with which the removal element (4) can be reciprocated relative to the post-treatment element (6) between a first position in which the post-treatment pin (7) is positioned within the receiving element (5) and a second position in which the post-treatment pin (7) is not positioned within the receiving element (5), wherein the removal element (4) and tType: ApplicationFiled: December 12, 2008Publication date: December 15, 2011Applicant: MHT Mold & Hotrunner Technology AGInventors: Witold Neter, Helmut Thoemmes, Rainer Petry, Christian Wagner
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Patent number: 8002540Abstract: A neck block of a molding tool for the production of a hollow body preform by means of injection molding, wherein the neck block has a main body with a shaping surface which is adapted to the external contour of a neck portion of the hollow body preform to be produced and is provided to come into contact in the injection molding operation with the neck portion of the hollow body preform, wherein furthermore there is provided at least one cooling passage for a cooling fluid which at least portion-wise extends substantially parallel to the shaping surface. The neck block is further provided with an inlet and an outlet and an inlet passage and an outlet passage which connect the inlet and the outlet respectively to the cooling passage. The cooling passage is arranged closer to the shaping surface than the inlet and the outlet.Type: GrantFiled: November 28, 2006Date of Patent: August 23, 2011Assignee: MHT Mold & Hotrunner Technology AGInventors: Witold Neter, Marek Hoenisch, Klaus Wegmann, Stefan Schweininger, Christian Wagner
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Publication number: 20110052748Abstract: The present invention relates to a cavity for a mould-cavity system for the production of hollow mouldings, where the cavity (1) has an element (2) which is in essence hollow and cylindrical, where a cooling channel has been provided at the outer side of the hollow cylindrical element (2). To provide a cavity which is easy to produce and which can increase the effectiveness of cooling of the cavity, the invention proposes provision of the cooling channel with a plurality of cooling-channel sections (3) extending substantially axially, and with at least one cooling-channel-connector section (4), where the cooling-channel-connector section (4) connects two of the cooling-channel sections (3) extending substantially axially.Type: ApplicationFiled: June 14, 2007Publication date: March 3, 2011Inventors: Witold Neter, Marek Hoenisch, Helmut Thoemmes
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Publication number: 20100297287Abstract: A cavity member for a mold cavity structure for the production of hollow body moldings, wherein the cavity member has a substantially hollow-cylindrical element, wherein a cooling passage is provided at the outside of the hollow-cylindrical element. To provide a cavity member which is simple to manufacture and which permits more effective cooling of the cavity member it is proposed in accordance with the invention that there are provided one or more guide elements for forming the cooling passage, wherein the guide elements and the hollow-cylindrical element are in the form of separate parts.Type: ApplicationFiled: June 14, 2007Publication date: November 25, 2010Applicant: MHT Mold & Hotrunner Technology AGInventors: Witold Neter, Helmut Thoemmes, Marek Hoenisch
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Publication number: 20100297275Abstract: The present invention concerns a system for the aftertreatment of parisons (7) produced in an injection molding mold, comprising at least two aftertreatment tools. To provide a system for the aftertreatment of parisons produced in an injection molding mold, by means of which a plurality of aftertreatment tools can be easily positioned, it is proposed in accordance with the invention that there is provided a positioning device for positioning the first aftertreatment tool in at least one positioning direction, and the at least two aftertreatment tools are connected together so that with the positioning device for positioning the first aftertreatment tool at least one further aftertreatment tool can be positioned by suitable positioning of the first aftertreatment tool.Type: ApplicationFiled: June 1, 2007Publication date: November 25, 2010Applicant: Mold & Hotrunner Technology AGInventors: Witold Neter, Helmut Thoemmes, Christian Wagner
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Patent number: 7798806Abstract: A bottom insert for an injection mold, which insert is of a two-part configuration having a hot part which has a recess of the hot side and a cold part which has a recess of the cold side, wherein the cold part is arranged at least partially within the hot part so that the hot part at least portion-wise surrounds the cold part. The two parts of the bottom insert are preferably separable and the. hot part preferably has an opening in opposite relationship to the recess of the hot side for receiving the cold part. Further, the cold part and the hot part are desirably sealed off relative to each other, desirably by O-rings. In general, all surfaces which are provided for contact with the molding to be produced are arranged at the cold part. An insulating coating, an insulating membrane and/or a spacing element is desirably provided at the contact surface between the hot part and the cold part.Type: GrantFiled: May 3, 2007Date of Patent: September 21, 2010Assignee: Mold & Hotrunner Technology AGInventors: Witold Neter, Helmut Thömmes, Stefan Schweininger
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Publication number: 20090324770Abstract: A bottom insert for a mold cavity for the production of moldings of plastic material. The mold cavity has a main body with a hot side which has a recess for receiving molten plastic material under pressure and a cold side having a recess, the inside contour of which is intended to come into contact with the molding to be produced and to shape the outside contour thereof. A gate (17) is provided that connects the recess of the hot side to the recess of the cold side and is intended to introduce molten plastic material from the hot side into the cold side. In accordance with the invention there is provided a device for thermal insulation within the bottom insert between the hot side and the cold side of the bottom insert to permit more rapid cooling of the cold side by restricting heat flow from the hot side.Type: ApplicationFiled: May 3, 2007Publication date: December 31, 2009Applicant: MHT Mold & Hotrunner Technology AGInventors: Stefan Schweininger, Helmut Thoemmes, Witold Neter
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Publication number: 20090304848Abstract: A bottom insert for an injection mold, which insert is of a two-part configuration having a hot part which has a recess of the hot side and a cold part which has a recess of the cold side, wherein the cold part is arranged at least partially within the hot part so that the hot part at least portion-wise surrounds the cold part. The two parts of the bottom insert are preferably separable and the. hot part preferably has an opening in opposite relationship to the recess of the hot side for receiving the cold part. Further, the cold part and the hot part are desirably sealed off relative to each other, desirably by O-rings. In general, all surfaces which are provided for contact with the molding to be produced are arranged at the cold part. An insulating coating, an insulating membrane and/or a spacing element is desirably provided at the contact surface between the hot part and the cold part.Type: ApplicationFiled: May 3, 2007Publication date: December 10, 2009Applicant: MHT Mold & Hotrunner Technology AGInventors: Witold Neter, Helmut Thoemmes, Stefan Schweininger
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Publication number: 20090212459Abstract: The invention concerns a system for the post-treatment of preforms (7) produced in an injection molding mold, comprising at least two post-treatment tools which each have a receiving plate (4) which has a group of receiving cavities (2) and a pin plate (6) which has a group of post-treatment pins (3), and a device for transferring the preforms (7) from the injection molding mold alternately into the at least two post-treatment tools. In order to provide a method of and a system for the post-treatment of preforms produced in an injection molding mold, which on the one hand allows early removal of the preform from the injection molding tool and which on the other hand allows reliable post-treatment in particular of the interior of the preform after removal from the injection molding mold, it is proposed in accordance with the invention that the post-treatment pins (3) remain in the preforms for a period of time which is longer than the mold stand time.Type: ApplicationFiled: November 10, 2006Publication date: August 27, 2009Applicant: MHT Mold & Hotrunner Technology AGInventors: Witold Neter, Helmut Thoemmes, Rainer Petry, Christian Wagner
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Publication number: 20090162473Abstract: A neck block of a moulding tool for the production of a hollow body preform by means of injection moulding, wherein the neck block has a main body with a shaping surface which is adapted to the external contour of a neck portion of the hollow body preform to be produced and is provided to come into contact in the injection moulding operation with the neck portion of the hollow body preform, wherein furthermore there is provided at least one cooling passage for a cooling fluid which at least portion-wise extends substantially parallel to the shaping surface. The neck block is further provided with an inlet and an outlet and an inlet passage and an outlet passage which connect the inlet and the outlet respectively to the cooling passage. The cooling passage is arranged closer to the shaping surface than the inlet and the outlet.Type: ApplicationFiled: November 28, 2006Publication date: June 25, 2009Applicant: MHT Mold & Hortrunner Technology AGInventors: Witold Neter, Marek Hoenisch, Klaus Wegmann, Stefan Schweininger, Christian Wagner
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Patent number: 7384587Abstract: Method and apparatus for cooling molded plastic pieces preferably includes a take out structure/step configured to hold the plurality of plastic parts oriented such that closed ends thereof are disposed toward an inside of the take out structure and open ends thereof are disposed toward an outside of the take out structure. A movement structure/step is configured to cause relative movement between the take out structure and at least one of a first cooling station and a second cooling station. The first cooling station includes a first cooling structure/step configured to provide a cooling fluid to an inside of the plurality of plastic parts through the open ends thereof. The second cooling station includes a second cooling structure/step configured to provide a cooling fluid to an inside of the plurality of plastic parts through the open ends thereof.Type: GrantFiled: October 5, 2004Date of Patent: June 10, 2008Assignee: Husky Injection Molding Systems Ltd.Inventors: Richard M. Unterlander, Witold Neter, Zbigniew Romanski, Robin A. Arnott
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Patent number: 7364688Abstract: A cooling tube assembly for operating on a malleable molded plastic part. The cooling tube assembly comprising a porous tube/insert having a profiled inner conditioning surface, and a vacuum structure configured to cooperate with the porous tube. In use, the vacuum develops a reduced pressure adjacent the inner conditioning surface to cause an outer surface of the malleable molded plastic part, locatable within the cooling tube assembly, to contact the inner conditioning surface of the porous insert so as to allow a substantial portion of the outer surface of the malleable part, upon cooling, to attain a profile substantially corresponding to the profile of the inner conditioning surface. The cooling tube assembly further including a suction channel therein that is configured to cooperate with a valve member for the control of a suction flow therethrough that assists in a transferring of the molded article into the cooling tube assembly.Type: GrantFiled: April 10, 2007Date of Patent: April 29, 2008Assignee: Husky Injection Molding Systems Ltd.Inventors: Witold Neter, Omeir Shahid Ansari, Zbigniew Romanski
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Patent number: 7326046Abstract: A cooling tube assembly for operating on a malleable molded plastic part. The cooling tube assembly comprising a porous tube/insert having a profiled inner conditioning surface, and a vacuum structure configured to cooperate with the porous tube. In use, the vacuum develops a reduced pressure adjacent the inner conditioning surface to cause an outer surface of the malleable molded plastic part, locatable within the cooling tube assembly, to contact the inner conditioning surface of the porous insert so as to allow a substantial portion of the outer surface of the malleable part, upon cooling, to attain a profile substantially corresponding to the profile of the inner conditioning surface.Type: GrantFiled: March 10, 2005Date of Patent: February 5, 2008Assignee: Husky Injection Molding Systems Ltd.Inventors: Witold Neter, Omeir Shahid Ansari, Zbigniew Romanski
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Patent number: 7293980Abstract: A cooling tube assembly for operating on a malleable molded plastic part. The cooling tube assembly comprising a porous tube/insert having a profiled inner conditioning surface, and a vacuum structure configured to cooperate with the porous tube. In use, the vacuum develops a reduced pressure adjacent the inner conditioning surface to cause an outer surface of the malleable molded plastic part, locatable within the cooling tube assembly, to contact the inner conditioning surface of the porous insert so as to allow a substantial portion of the outer surface of the malleable part, upon cooling, to attain a profile substantially corresponding to the profile of the inner conditioning surface. The cooling tube assembly having a simplified cooling structure that includes a cooling channel configured on the porous insert, the surface of which include a surface treatment for a sealing thereof to substantially avoid a leakage of coolant therethrough.Type: GrantFiled: March 10, 2005Date of Patent: November 13, 2007Assignee: Husky Injection Molding Systems Ltd.Inventors: Witold Neter, Omeir Shahid Ansari, Zbigniew Romanski