Patents Assigned to AMANN GIRRBACH AG
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Patent number: 12059765Abstract: An assembly including a tool (1) and packaging (2) for accommodating the tool (1). The tool (1) includes at least one machining head (3) for machining a workpiece (4), in particular a dental workpiece (4), by a machining unit (5), and a clamping portion (6) for securing the tool (1) in a chuck (7) of the machining unit (5) while the workpiece (4) is being machined. The tool (1) can be repeatedly removed from and placed back in the packaging (2), with the packaging (2) being provided with at least one securing device (11) for fastening the packaging (2) in a temporary tool magazine (12) of the machining unit (5).Type: GrantFiled: April 5, 2019Date of Patent: August 13, 2024Assignee: Amann Girrbach AGInventor: Jurgen Amann
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Patent number: 11540907Abstract: A method for the production of a dental object (1) by grinding a blank (2) made of ceramic or a ceramic-plastic composite material, wherein, for the production of a preform (3) having an outer contour (4) that differs from a final outer contour (5) of the dental object (1) to be produced, a grinding channel (8) is machined into the blank (2) or into a pre-preform (9) already made from the blank (2), in at least one grinding process using a grinding tool (6) of a grinding device (7), wherein the outer contour (4) of the preform (3) is formed with the grinding channel (8) on one edge (10) thereof, and on the edge (11) of the grinding channel (8) opposing the outer contour (4) of the preform (3), at least one remaining piece (12) is removed from the blank (2) or from the pre-preform (9) at least in sections.Type: GrantFiled: November 15, 2016Date of Patent: January 3, 2023Assignee: Amann Girrbach AGInventor: Benjamin Schlachter
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Publication number: 20220193786Abstract: A method of correcting an axial position of a workpiece support (1) used for removing material from a dental workpiece (2) which is held by the workpiece support (1) and is rotated together with the workpiece support (1) about a drive rotation axis (3) when material is being removed. The workpiece support (1) has at least two workpiece support parts (4, 5, 6) which can be separated from each other and connected to each other. One of the workpiece support parts (4, 5) has at least one compensation region (7) with a material projection (8) for introducing a compensation surface (9) by removing material, and the other workpiece support part (6) has a seating surface (10) for connecting to the compensation surface (9) in a form fitting manner.Type: ApplicationFiled: December 22, 2021Publication date: June 23, 2022Applicant: Amann Girrbach AGInventor: Peter SCHELLING
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Publication number: 20220136773Abstract: A sintering furnace (1) for sintering dental workpieces (2), wherein the sintering furnace (1) has a heating element (3) with a receiving space (4) for receiving the workpiece (2) during sintering. The receiving space (4) is a portion of an interior space (5) within the heating element (3), and the heating element (3) comprises or consists of silicon carbide, wherein the heating element (3) is designed, at least in parts, as a slotted tube, and the slot (6) in the tube forming the heating element (3) has a helical configuration in a heating region (7), in which the heating element (3) encloses the receiving space (4).Type: ApplicationFiled: February 21, 2020Publication date: May 5, 2022Applicant: Amann Girrbach AGInventor: Axel REICHERT
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Patent number: 11224919Abstract: A method of correcting an axial position of a workpiece support (1) used for removing material from a dental workpiece (2) which is held by the workpiece support (1) and is rotated together with the workpiece support (1) about a drive rotation axis (3) when material is being removed. The workpiece support (1) has at least two workpiece support parts (4, 5, 6) which can be separated from each other and connected to each other. One of the workpiece support parts (4, 5) has at least one compensation region (7) with a material projection (8) for introducing a compensation surface (9) by removing material, and the other workpiece support part (6) has a seating surface (10) for connecting to the compensation surface (9) in a form fitting manner.Type: GrantFiled: September 26, 2019Date of Patent: January 18, 2022Assignee: Amann Girrbach AGInventor: Peter Schelling
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Patent number: 11071609Abstract: A scanning object carrier (1), which is provided for installation on a scanner rocker (2) of a scanning device (3) for scanning at least one, in particular dental, object (20), wherein the scanning object carrier (1) includes a base body (4) and at least one fastening device (5) for fastening the base body (4) to the scanner rocker (2) and at least one object fixing device (6) for fixing the object (20) to the scanning object carrier (1), wherein the object fixing device (6) is mounted in a pivotable manner on the base body (4) relative to the base body (4), and wherein the object fixing device (6) is mounted in a pivotable manner on the base body (4) between two end positions (7, 8) by freely following gravity.Type: GrantFiled: February 20, 2018Date of Patent: July 27, 2021Assignee: Amann Girrbach AGInventors: Johannes Anders, Marcel Humml, Jurgen Amann
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Publication number: 20210137651Abstract: A scanning object carrier (1), which is provided for installation on a scanner rocker (2) of a scanning device (3) for scanning at least one, in particular dental, object (20), wherein the scanning object carrier (1) includes a base body (4) and at least one fastening device (5) for fastening the base body (4) to the scanner rocker (2) and at least one object fixing device (6) for fixing the object (20) to the scanning object carrier (1), wherein the object fixing device (6) is mounted in a pivotable manner on the base body (4) relative to the base body (4), and wherein the object fixing device (6) is mounted in a pivotable manner on the base body (4) between two end positions (7, 8) by freely following gravity.Type: ApplicationFiled: February 20, 2018Publication date: May 13, 2021Applicant: Amann Girrbach AGInventors: Johannes Anders, Marcel Humml, Jurgen Amann
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Publication number: 20210086319Abstract: An assembly including a tool (1) and packaging (2) for accommodating the tool (1). The tool (1) includes at least one machining head (3) for machining a workpiece (4), in particular a dental workpiece (4), by a machining unit (5), and a clamping portion (6) for securing the tool (1) in a chuck (7) of the machining unit (5) while the workpiece (4) is being machined. The tool (1) can be repeatedly removed from and placed back in the packaging (2), with the packaging (2) being provided with at least one securing device (11) for fastening the packaging (2) in a temporary tool magazine (12) of the machining unit (5).Type: ApplicationFiled: April 5, 2019Publication date: March 25, 2021Applicant: Amann Girrbach AGInventor: Jurgen AMANN
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Patent number: 10945821Abstract: A sintered blank (1) for producing a dental prosthesis is provided, in which the sintered blank (1) include at least one product area (2), from which the dental prosthesis is produced, and at least one auxiliary sintering body (3) and connecting webs (4) for bracing the product area (2), wherein the auxiliary sintering body (3) is connected to the product area (2) by the connecting webs (4), the auxiliary sintering body (3) including one, preferably precisely one, at least in some areas, preferably completely curved support surface (5).Type: GrantFiled: June 20, 2016Date of Patent: March 16, 2021Assignee: Amann Girrbach AGInventor: Oliver Amann
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Publication number: 20200016709Abstract: A method of correcting an axial position of a workpiece support (1) used for removing material from a dental workpiece (2) which is held by the workpiece support (1) and is rotated together with the workpiece support (1) about a drive rotation axis (3) when material is being removed. The workpiece support (1) has at least two workpiece support parts (4, 5, 6) which can be separated from each other and connected to each other. One of the workpiece support parts (4, 5) has at least one compensation region (7) with a material projection (8) for introducing a compensation surface (9) by removing material, and the other workpiece support part (6) has a seating surface (10) for connecting to the compensation surface (9) in a form fitting manner.Type: ApplicationFiled: September 26, 2019Publication date: January 16, 2020Applicant: Amann Girrbach AGInventor: Peter Schelling
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Patent number: 10322453Abstract: A sintering apparatus (4) for sintering at least one workpiece (2), more particularly a dental workpiece, having a sintering chamber (18) for receiving the sintering workpiece (2) during sintering, wherein the sintering chamber (18) is delimited by a base surface (6) of the sintering apparatus (4) on which the workpiece can be placed during sintering, wherein the sintering apparatus (4) has at least one gas feed (5) for introducing protective gas into the sintering chamber (18), wherein the gas feed (5) is on the side of the base surface (6) that faces away from the sintering chamber (18) and the base surface (6) has at least one flow-through portion (14) which is permeable to the protective gas to allow the protective gas coming from the gas feed (5) to pass into the sintering chamber (18).Type: GrantFiled: February 28, 2014Date of Patent: June 18, 2019Assignee: Amann Girrbach AGInventor: Axel Reichert
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Publication number: 20190175316Abstract: A sintered blank (1) for producing a dental prosthesis is provided, in which the sintered blank (1) include at least one product area (2), from which the dental prosthesis is produced, and at least one auxiliary sintering body (3) and connecting webs (4) for bracing the product area (2), wherein the auxiliary sintering body (3) is connected to the product area (2) by the connecting webs (4), the auxiliary sintering body (3) including one, preferably precisely one, at least in some areas, preferably completely curved support surface (5).Type: ApplicationFiled: June 20, 2016Publication date: June 13, 2019Applicant: Amann Girrbach AGInventor: Oliver Amann
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Patent number: 10265146Abstract: The invention relates to a sinter blank (1) for producing a dental prosthesis in at least one sintering process, the sinter blank (1) including at least one product area (2), from which the dental prosthesis is produced, and at least one strut (3) that is to be removed after the sintering process, the strut (3) having at least one sliding knob (4) for supporting the strut (3) on a base surface (5) during the sintering process.Type: GrantFiled: July 1, 2015Date of Patent: April 23, 2019Assignee: AMANN GIRRBACH AGInventor: Axel Reichert
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Publication number: 20180360576Abstract: A method for the production of a dental object (1) by grinding a blank (2) made of ceramic or a ceramic-plastic composite material, wherein, for the production of a preform (3) having an outer contour (4) that differs from a final outer contour (5) of the dental object (1) to be produced, a grinding channel (8) is machined into the blank (2) or into a pre-preform (9) already made from the blank (2), in at least one grinding process using a grinding tool (6) of a grinding device (7), wherein the outer contour (4) of the preform (3) is formed with the grinding channel (8) on one edge (10) thereof, and on the edge (11) of the grinding channel (8) opposing the outer contour (4) of the preform (3), at least one remaining piece (12) is removed from the blank (2) or from the pre-preform (9) at least in sections.Type: ApplicationFiled: November 15, 2016Publication date: December 20, 2018Applicant: Amann Girrbach AGInventor: Benjamin Schlachter
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Patent number: 10117732Abstract: An arrangement (1) including at least one workpiece (2) for sintering, more particularly a dental workpiece, and having at least one support material (3), and including a sintering apparatus (4) for sintering the workpiece (2), wherein the sintering apparatus (4) has at least one gas inlet duct (5) for protective gas and at least one base surface (6), and the workpiece (2) lies on the base surface (6) on the support material (3) and protrudes at least partially beyond the support material (3), wherein the protective gas can be supplied to the workpiece (2) preferably exclusively through the support material (3).Type: GrantFiled: February 28, 2014Date of Patent: November 6, 2018Assignee: Amann Girrbach AGInventor: Axel Reichert
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Patent number: 9974632Abstract: Method for positioning artificial posterior teeth (1, 2, 3, 4, 19, 20, 21, 22) on an entirely edentulous or at least partially edentulous jaw model (5, 6), wherein several artificial posterior teeth (1, 2, 3, 4, 19, 20, 21, 22) are combined to form at least one tooth block (7), wherein the artificial posterior teeth (1, 2, 3, 4, 19, 20, 21, 22) in this tooth block (7) are arranged in a fixed geometric relationship to one another, and geometric parameters of the tooth block (7) are established on the tooth block (7), and geometric parameters of the jaw model (5, 6) are established on the jaw model (5, 6), and, in order to position the tooth block (7) on the jaw model (5, 6), the geometric parameters of the tooth block (7) are assigned to the geometric parameters of the jaw model (5, 6).Type: GrantFiled: June 11, 2013Date of Patent: May 22, 2018Assignee: Amann Girrbach AGInventors: Rita Hoffmann, Ineke Lindemann
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Patent number: 9820833Abstract: Prosthetic tooth support (1) with at least one prosthetic tooth (2), in particular with several prosthetic teeth (2), wherein a crown area (3) of the prosthetic tooth (2) or of the prosthetic teeth (2) is embedded, preferably cast, at least partially, preferably completely, in a support layer (4).Type: GrantFiled: April 18, 2012Date of Patent: November 21, 2017Assignee: Amann Girrbach AGInventor: Falko Noack
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Publication number: 20170252134Abstract: The invention relates to a sinter blank (1) for producing a dental prosthesis in at least one sintering process, the sinter blank (1) including at least one product area (2), from which the dental prosthesis is produced, and at least one strut (3) that is to be removed after the sintering process, the strut (3) having at least one sliding knob (4) for supporting the strut (3) on a base surface (5) during the sintering process.Type: ApplicationFiled: July 1, 2015Publication date: September 7, 2017Applicant: Amann Girrbach AGInventor: Axel Reichert
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Publication number: 20170043440Abstract: A workpiece support (1) for removing material from a dental workpiece (2) which is held by the workpiece support (1) and is rotated together with the workpiece support (1) about a drive rotation axis (3) when material is being removed. The workpiece support (1) has at least two workpiece support parts (4, 5, 6) which can be separated from each other and connected to each other. One of the workpiece support parts (4, 5) has at least one compensation region (7) with a material projection (8) for introducing a compensation surface (9) by removing material, and the other workpiece support part (6) has a seating surface (10) for connecting to the compensation surface (9) in a formfitting manner.Type: ApplicationFiled: May 4, 2015Publication date: February 16, 2017Applicant: Amann Girrbach AGInventor: Peter Schelling
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Patent number: 9285169Abstract: A sintering device (1) for sintering workpieces, in particular dental workpieces, in a shielding gas atmosphere, wherein the sintering device (1) has at least one sintering chamber (2) with at least one gas inlet (3) and at least one gas outlet (4) for a gas exchange in a sintering chamber cavity (5) which is surrounded by the sintering chamber (2), and the sintering device has at least one sintering material cup (6) arranged in the sintering chamber cavity (5) in order to receive the workpiece to be sintered. The sintering device (1) additionally has at least one sintering material cover (7) for covering the workpiece to be sintered in the sintering material cup (6).Type: GrantFiled: October 11, 2012Date of Patent: March 15, 2016Assignee: AMANN GIRRBACH AGInventors: Falko Noack, Axel Reichert