Patents Assigned to FETTE COMPACTING GMBH
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Patent number: 10967597Abstract: A method and system for feeding a lubricating or releasing agent from a dosing station to one or more pressing tools arranged in a pressing chamber of a tablet press. The tablet press is configured with a feed pipe for feeding the lubricating or release agent from the dosing station to the one or more pressing tools of a pressing chamber of the tablet press and the feed pipe is configured with a shut-off valve disposed in-line with the feed pip for controlling the flow of the lubricating or release agent to the pressing chamber. The method comprises the steps of: producing a negative pressure with respect to the surroundings of the pressing chamber of the tablet press, measuring a pressure in one of the feed pipe and the pressing chamber, and issuing a signal indicative of the measured pressure and issuing an enable signal to open a valve in response to the pressure signal.Type: GrantFiled: December 1, 2017Date of Patent: April 6, 2021Assignee: Fette Compacting GmbHInventors: Thomas Heinrich, Stefan Meisolle, Martin Schoeler
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Publication number: 20200316895Abstract: A removal apparatus for removing pellets from a die plate of a rotary press comprises a housing and a first channel positioned on the housing and configured to receive pellets removed from the die plate. A guide element is arranged on the housing and positioned over the die plate. The guide element is configured to guide pellets produced in the rotary press from the die plate into the first channel The guide element and the first channel are moveably mounted on the housing. A plurality of mechanical positioning elements are configured to be alternatively inserted into the housing and cooperate with the guide element and the first channel to movably position the guide element and the first channel relative to the housing. Each of the mechanical positioning elements defines a different position of one of the guide element and the first channel relative to the housing.Type: ApplicationFiled: April 3, 2020Publication date: October 8, 2020Applicant: Fette Compacting GmbHInventors: Sven Kolbe, Stefan Luedemann
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Publication number: 20200086598Abstract: A rotor for a rotary press comprises a die plate, upper punch seats, and lower punch seats configured to be rotationally driven by a rotary drive. An annular discharge channel is configured to be in a fixed position with respect to the die plate and further configured to collect product residue from at least one of the die plate and the lower punch seat. The discharge channel additionally comprises a removal region where the product residue is configured to be removed from the annular discharge channel A catch element is configured to rotate in sync with the die plate and is guided within the annular discharge channel to convey the product residue collected in the annular discharge channel to the removal region.Type: ApplicationFiled: September 11, 2019Publication date: March 19, 2020Applicant: Fette Compacting GmbHInventors: Sven Kolbe, Jan Naeve, Frank Schade
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Publication number: 20200023602Abstract: A tablet discharge gate for a tablet press comprises a tablet channel having an inlet and an outlet and comprising one of a tube shape and a trough shape, a first outlet channel, and a second outlet channel. A gate chamber is positioned between the outlet of the tablet channel and the first and second outlet channels. A drive apparatus is configured to move the tablet discharge gate between a first position in which tablets are supplied from the tablet channel to the gate chamber and into the first outlet channel of the gate, and a second position in which tablets are supplied to the tablet discharge gate chamber and into the second outlet channel.Type: ApplicationFiled: July 16, 2019Publication date: January 23, 2020Applicant: Fette Compacting GmbHInventors: Sven Kolbe, Stefan Mallon, Friedrich Meissner, Jan Naeve, Stefan Luedemann
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Publication number: 20200009058Abstract: A tablet press comprises a gate and a control apparatus configured to generate a switching signal. A drive apparatus is configured to move the gate in response to the switching signal received from the control apparatus between a first switching position and at least a second switching position. At least one sensor is configured to generate a detection signal when the gate reaches one of the switching positions. The control apparatus receives the detection signal and is configured to output a switching signal to the drive apparatus to at least partially move the gate back into a home position when there is a switching signal to move the gate out of the home position and there is no detection signal received from the at least one sensor. The control apparatus subsequently outputs a switching signal to again move the gate out of the home position to a target position.Type: ApplicationFiled: July 1, 2019Publication date: January 9, 2020Applicant: Fette Compacting GmbHInventors: Friedrich Meissner, Stefan Luedemann
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Publication number: 20200009057Abstract: A tablet press comprises a gate that defines a first switching position that feeds tablets into a first tablet outlet and at least a second switching position that feeds tablets into at least one second tablet outlet. The table press further comprises a control apparatus and a drive apparatus. The drive apparatus is configured to be actuated by the control apparatus to move the gate from a home position defined as one of the first switching position and the at least a second switching position into a target position defined as a switching position that is not the home position. The gate is moved from the home switching position at a speed of movement toward the target position such that the speed of movement of the gate is reduced before the target position is reached.Type: ApplicationFiled: July 1, 2019Publication date: January 9, 2020Applicant: Fette Compacting GmbHInventors: Friedrich Meissner, Stefan Luedemann
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Patent number: 10518443Abstract: A rotary tablet press having a rotatably driven rotor and a die plate with a plurality of die bores. A plurality of upper and lower punches are configured to produce tablets in the plurality of die bores. The tablets are monitored for one or more characteristics and are sorted by an ejection apparatus according to the one or more characteristics into a reject channel and a satisfactory channel.Type: GrantFiled: January 20, 2017Date of Patent: December 31, 2019Assignee: Fette Compacting GmbHInventors: Andreas Arning, Nils Petersen
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Patent number: 10513061Abstract: The invention relates to a rotary tablet press comprising: a rotatingly drivable rotor, having a die plate comprising die holes and assigned to the die holes upper and lower punches, rotating synchronously with the die plate, whose axial movement is controlled by upper and lower control cams, having at least one filling station comprising at least one filling device for filling the die holes with material to be pressed, having at least one compression station disposed downstream of the filling station in the rotational direction of the rotor, comprising at least one pressing device which presses the upper and/or lower punches into the die holes when passing through the compression station in order to press the filled material in the die holes, and having at least one ejector station, disposed downstream of the compression station in the rotational direction of the rotor, comprising an ejector device for ejecting the pressed tablets in the die holes, characterized in that at least one vibration generator is prType: GrantFiled: August 6, 2018Date of Patent: December 24, 2019Assignee: Fette Compacting GmbHInventors: Thomas Heinrich, Ingo Schmidt, Jan Naeve
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Patent number: 10513073Abstract: A scraping device for a rotary press comprising at least one scraping element for scraping pellets located on a die plate of the rotary press to an outlet, wherein the at least one scraping element has at least one identification and/or position unit having identification and/or position data relating to the at least one scraping element, and wherein the scraping device further comprises a read and/or write unit which is designed to communicate with the at least one identification and/or position unit in order to read the identification and/or position data from the at least one identification and/or position unit. The invention also relates to a rotary press and a corresponding method.Type: GrantFiled: April 19, 2012Date of Patent: December 24, 2019Assignee: FETTE COMPACTING GMBHInventor: Sven Kolbe
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Patent number: 10471674Abstract: A filling apparatus comprises a filling material reservoir and a filling chamber that is connected to the filling material reservoir with a filling opening configured to dispense filling material into cavities in the rotary press. A first rotatably driven stirrer blade wheel with one or more stirrer blades and a second rotatably driven stirrer blade wheel with one or more stirrer blades are arranged in the filling chamber. The first rotatably driven stirrer blade wheel has at least one of a different geometry, a different direction of rotation, or a different rotary speed, than the second rotatably driven stirrer blade wheel.Type: GrantFiled: June 8, 2017Date of Patent: November 12, 2019Assignee: Fette Compacting GmbHInventors: Hueseyin Oezcoban, Thomas Heinrich, Thorsten Ehrich
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Patent number: 10399259Abstract: A rotary tablet press having a rotatably driven rotor and a die plate with a plurality of die bores. A plurality of upper and lower punches are configured to produce tablets in the plurality of die bores. The tablets are monitored for one or more characteristics and are sorted by an ejection apparatus according to the one or more characteristics into a reject channel and a satisfactory channel.Type: GrantFiled: January 20, 2017Date of Patent: September 3, 2019Assignee: Fette Compacting GmbHInventors: Andreas Arning, Nils Petersen
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Publication number: 20190193362Abstract: A rotary tablet press comprises a rotor comprising a rotary drive configured to rotate the rotor and a die plate that rotates with the rotor and comprises a plurality of cavities and a plurality of upper and lower punches. A rotational speed governor is configured to drive the rotary drive of the rotor by comparing a measured rotor rotational speed with a target rotational speed value. A pilot control apparatus is configured to provide an additional target torque for driving the rotary drive. The additional target torque is based on values of a pressing force of at least one of the upper and lower punches input into the pilot control apparatus.Type: ApplicationFiled: December 21, 2018Publication date: June 27, 2019Applicant: Fette Compacting GmbHInventor: Alexander Brand
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Patent number: 10207433Abstract: The invention relates to a rotary tablet press comprising: a rotatingly drivable rotor, having a die plate comprising die holes and assigned to the die holes upper and lower punches, rotating synchronously with the die plate, whose axial movement is controlled by upper and lower control cams, having at least one filling station comprising at least one filling device for filling the die holes with material to be pressed, having at least one compression station disposed downstream of the filling station in the rotational direction of the rotor, comprising at least one pressing device which presses the upper and/or lower punches into the die holes when passing through the compression station in order to press the filled material in the die holes, and having at least one ejector station, disposed downstream of the compression station in the rotational direction of the rotor, comprising an ejector device for ejecting the pressed tablets in the die holes, characterized in that at least one vibration generator is prType: GrantFiled: May 2, 2016Date of Patent: February 19, 2019Assignee: Fette Compacting GmbHInventors: Thomas Heinrich, Ingo Schmidt, Jan Naeve
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Publication number: 20190039270Abstract: The invention relates to a rotary tablet press comprising: a rotatingly drivable rotor, having a die plate comprising die holes and assigned to the die holes upper and lower punches, rotating synchronously with the die plate, whose axial movement is controlled by upper and lower control cams, having at least one filling station comprising at least one filling device for filling the die holes with material to be pressed, having at least one compression station disposed downstream of the filling station in the rotational direction of the rotor, comprising at least one pressing device which presses the upper and/or lower punches into the die holes when passing through the compression station in order to press the filled material in the die holes, and having at least one ejector station, disposed downstream of the compression station in the rotational direction of the rotor, comprising an ejector device for ejecting the pressed tablets in the die holes, characterized in that at least one vibration generator is prType: ApplicationFiled: August 6, 2018Publication date: February 7, 2019Applicant: Fette Compacting GmbHInventors: Thomas Heinrich, Ingo Schmidt, Jan Naeve
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Patent number: 10195771Abstract: The invention relates to a rotary press with a rotor, whereby the rotor comprises one upper and one lower punch guide and a die plate between the upper and lower punch guides, furthermore with upper and lower press punches which interact with the die holes in the die plate, whereby the rotary press comprises several stations, namely at least one filling station in which the material to be pressed is filled into the die holes, at least one dosing station, in which the material filled into the die holes is dosed, at least one pressing station, in which the material that has been dosed and filled into the die holes is pressed through the upper and lower press punches into pellets, and at least one ejector station in which the pressed pellets are ejected, whereby at least one of the stations can be moved from its operating position to a resting position, in which the production process of the rotary press to produce pellets remains possible with the remaining stations in their respective operating positions, andType: GrantFiled: April 19, 2012Date of Patent: February 5, 2019Assignee: FETTE COMPACTING GMBHInventors: Stefan Lüdemann, Daniel Malick, Kai Hübner
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Patent number: 9996073Abstract: A method for operating a plant to produce tablets that has at least one rotary press and one computer system, wherein the computer system contains operating and control software for controlling and monitoring the operation of the rotary press, and wherein the rotary press is designed for installing different types of rotors, wherein a record adapted to the respective rotor type is saved in a memory and communication component on the rotors, and before the rotor type is initially operated, the record is read out and is saved in the computer system to automatically adapt the operating and control software and user interface to the rotor type.Type: GrantFiled: April 19, 2012Date of Patent: June 12, 2018Assignee: FETTE COMPACTING GMBHInventors: Stefan Lüdemann, Matthias Meier
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Publication number: 20180154600Abstract: A method and system for feeding a lubricating or releasing agent from a dosing station to one or more pressing tools arranged in a pressing chamber of a tablet press. The tablet press is configured with a feed pipe for feeding the lubricating or release agent from the dosing station to the one or more pressing tools of a pressing chamber of the tablet press and the feed pipe is configured with a shut-off valve disposed in-line with the feed pip for controlling the flow of the lubricating or release agent to the pressing chamber. The method comprises the steps of: producing a negative pressure with respect to the surroundings of the pressing chamber of the tablet press, measuring a pressure in one of the feed pipe and the pressing chamber, and issuing a signal indicative of the measured pressure and issuing an enable signal to open a valve in response to the pressure signal.Type: ApplicationFiled: December 1, 2017Publication date: June 7, 2018Applicant: Fette Compacting GmbHInventors: Thomas Heinrich, Stefan Meisolle, Martin Shoeler
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Patent number: 9981440Abstract: A rotor for a rotary press comprising a die plate having die bores and upper punches and lower punches assigned in pairs to the die bores, circulating synchronously with the die plate An upper punch receiver is configured to axially guide the upper punches and a lower punch receiver is configured to axially guide the lower punches. An upper control cam is configured to control the axial movement of the upper punches passing through the upper control cam and a lower control cam is configured to control the axial movement of the lower punches passing through the lower control cam.Type: GrantFiled: April 15, 2016Date of Patent: May 29, 2018Assignee: Fette Compacting GmbHInventor: Stefan Luedemann
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Patent number: 9884464Abstract: A press comprises a press frame, at least one upper punch plate with at least one upper press punch held on it and/or at least one lower punch plate with at least one lower press punch held on it. A die plate has at least one receiver for powdered material to be pressed by the press punches. At least two upper drives are mechanically coupled in the operation of the press, engaging at the upper punch plate for moving the upper press punch in the vertical direction and/or at least two lower drives mechanically coupled in the operation of the press, engaging on the lower punch plate and/or the die plate for moving the lower press punch and/or the die plate in the vertical direction. A method for setting up and operating the press for producing a pellet made of the powdered material, in particular metal powder, is described.Type: GrantFiled: April 15, 2015Date of Patent: February 6, 2018Assignee: Fette Compacting GmbHInventors: Andreas Groth, Andreas Teetzen
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Patent number: RE47007Abstract: The invention relates to a press for producing pellets from powdered material comprising at least one die with a mold cavity imaging the pellet, at least one upper punch and at least one lower punch that interact with the mold cavity to form the pellet, and at least one electric drive for driving the upper punch, and/or the lower punch, and/or the die along a main press axis, wherein the press also comprises at least one movable element acting on the die and/or the mold cavity of the die, wherein at least one electro-hydrostatic drive is provided to drive the at least one movable element.Type: GrantFiled: July 6, 2016Date of Patent: August 28, 2018Assignee: Fette Compacting GmbHInventors: Thomas Pannewitz, Holger Behns