Patents by Inventor Ulrich Gathmann
Ulrich Gathmann 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: 9664582Abstract: Device for calibrating and balancing a measuring device of a tablet press, in particular a rotary tablet press, comprising at least one reference measuring device and at least one control device, wherein interfaces of the control device are connected with interfaces of the measuring device and the reference measuring device, wherein the control device is designed to generate a plurality of reference measurement results and to record the associated measurement values of the measuring device and the reference measuring device, wherein the control device further comprises a comparing device, with which the recorded measurement values of the measuring device and the reference measuring device can be compared with each other, and wherein the control device is designed to balance the measuring device if an impermissible deviation is present between the compared measurement values. The invention also relates to a corresponding method.Type: GrantFiled: April 19, 2012Date of Patent: May 30, 2017Assignee: FETTE COMPACTING GMBHInventors: Ingo Schmidt, Ulrich Gathmann, Matthias Meier
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Publication number: 20140144205Abstract: Device for calibrating and balancing a measuring device of a tablet press, in particular a rotary tablet press, comprising at least one reference measuring device and at least one control device, wherein interfaces of the control device are connected with interfaces of the measuring device and the reference measuring device, wherein the control device is designed to generate a plurality of reference measurement results and to record the associated measurement values of the measuring device and the reference measuring device, wherein the control device further comprises a comparing device, with which the recorded measurement values of the measuring device and the reference measuring device can be compared with each other, and wherein the control device is designed to balance the measuring device if an impermissible deviation is present between the compared measurement values. The invention also relates to a corresponding method.Type: ApplicationFiled: April 19, 2012Publication date: May 29, 2014Applicant: FETTE COMPACTING GMBHInventors: Ingo Schmidt, Ulrich Gathmann, Matthias Meier
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Patent number: 8382465Abstract: The invention relates to an apparatus for test pressing tablets with at least two layers.Type: GrantFiled: February 3, 2012Date of Patent: February 26, 2013Assignee: Fette GmbHInventors: Ingo Schmidt, Ulrich Gathmann, Bernd Malner
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Publication number: 20120195992Abstract: The invention relates to an apparatus for test pressing tablets with at least two lavers.Type: ApplicationFiled: February 3, 2012Publication date: August 2, 2012Applicant: FETTE GMBHInventors: Ingo Schmidt, Ulrich Gathmann, Bernd Malner
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Patent number: 8119045Abstract: The invention relates to a method for test pressing tablets with at least two layers.Type: GrantFiled: February 13, 2006Date of Patent: February 21, 2012Assignee: Fette GmbHInventors: Ingo Schmidt, Ulrich Gathmann, Bernd Malner
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Patent number: 7981352Abstract: A method for quality surveillance in manufacturing tablets in a rotary tablet press which, in a compression chamber, has a rotor with upper and lower rams, a die-plate, a cam system for the rams, at least one compressing station, and a charging system for the powdered material requiring compression wherein the tablets are checked for chemical and/or mechanical properties, wherein at least some chemical and/or mechanical data of the tablets is obtained by means of a NIR or LIF sensor in the compression chamber after the upper rams have left the dies, after a measuring procedure has been initiated by a machine computer in response to the die positions determined by a position generator relative to the NIR or LIF sensor.Type: GrantFiled: January 21, 2005Date of Patent: July 19, 2011Assignee: Fette GmbHInventors: Jürgen Hinzpeter, Ingo Schmidt, Ulrich Gathmann, Jörg Gaedecke, Werner Seifert
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Publication number: 20060186568Abstract: A method for test pressing tablets consisting of n layers in a rotary tablet press, the rotor provided with an upper punch and a lower punch (pair of punches) is moved with the pair of punches in a defined filling position, in which the die bore associated with the pair of punches is filled with the material for the first layer of the tablet, wherein the filling cam is moved into a first position, the ejection cam is moved into a lower position, and pressure rollers are moved into a first pressing position by means of associated adjustment drives; then the rotor is rotated by a full revolution and the pair of punches is stopped in the filling position; the filling cam is adjusted to a second filling position, the ejection cam is adjusted to the ejection position and the pressure rollers are adjusted to a second pressing position; thereafter the first die bore containing the first layer is filled with the material for the second layer; and the rotor is rotated by a further full revolution and the pair of punchType: ApplicationFiled: February 13, 2006Publication date: August 24, 2006Inventors: Ingo Schmidt, Ulrich Gathmann, Bernd Malner
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Patent number: 7032460Abstract: A method for test pressing tablets by means of a rotary tabletting machine, a rotationally driven rotor which has a series of upper and lower rams, a die-plate with dies with which the rams interact, a control cam system for said rams, and a filling assembly to continuously fill said dies with said rotor rotating, further by means of at least one pressure station at which the material located in said dies is compressed into a tablet, and a measuring device having a plurality of measuring positions which measures at least the compression force applied by said rams and the number of revolutions of said rotor, comprising the process steps of, a pair of rams selected for a single compression procedure is automatically moved to a filling position, a die or limited number of dies is filled with material with said filling assembly removed at least in part and said rotor at stoppage, said rotor is set into rotation subsequently and is sped up such as to have the desired production speed in said pressure station, andType: GrantFiled: April 27, 2004Date of Patent: April 25, 2006Assignee: Fette GmbHInventors: Juergen Hinzpeter, Ingo Schmidt, Ulrich Gathmann, Joerg Gaedecke
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Patent number: 7014443Abstract: Tabletting machine in the form of a rotary press, includes a rotor accommodating top and bottom stamping dies that cooperate with molds of a mold plate, rotor associated cam segments, and pressure rollers for actuating the stamping dies, a filling equipment, a stripping device for tablets knocked out of the mold and a computing system for controlling the tabletting machine following a predetermined program and for processing data provided by signal transmitters of the tabletting machine, and for monitoring the machine functions. At least a part of the components and/or subassemblies features a transponder having at least one stored identity number, characterizing the components and/or subassemblies. At least one read head connected with the computing system permits the transponder of the component and/or subassembly to be wirelessly read out even in the assembled state.Type: GrantFiled: February 21, 2003Date of Patent: March 21, 2006Assignee: Fette GmbHInventors: Jürgen Hinzpeter, Ingo Schmidt, Jörg Gaedecke, Ulrich Gathmann, Joachim Greve, Enrico Gand, Klaus-Peter Preuss, Alexander Oldenburg
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Patent number: 6979187Abstract: A tablet-pressing device that includes a tablet press, a control computer configured to drive and regulate the motors of the tablet press, and a service computer which admits the input and output of data for the operation of the tablet press. The tablet press is linked to the control computer via a cable link for high-speed data transfer. The tablet press and the service computer exchange data and control commands via a wireless data link.Type: GrantFiled: December 13, 2002Date of Patent: December 27, 2005Assignee: Fette GmbHInventors: Jürgen Hinzpeter, Ingo Schmidt, Ulrich Gathmann, Jörg Gaedecke
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Publication number: 20050184435Abstract: A method for quality surveillance in manufacturing tablets in a rotary tablet press which, in a compression chamber, has a rotor with upper and lower rams, a die-plate, a cam system for the rams, at least one compressing station, and a charging system for the powdered material requiring compression wherein the tablets are checked for chemical and/or mechanical properties, wherein at least some chemical and/or mechanical data of the tablets is obtained by means of a NIR or LIF sensor in the compression chamber after the upper rams have left the dies, after a measuring procedure has been initiated by a machine computer in response to the die positions determined by a position generator relative to the NIR or LIF sensor.Type: ApplicationFiled: January 21, 2005Publication date: August 25, 2005Inventors: Jurgen Hinzpeter, Ingo Schmidt, Ulrich Gathmann, Jorg Gaedecke, Werner Seifert
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Patent number: 6918493Abstract: An apparatus for singling out tablets for a rotary tablet-compressing press the rotor of which has associated therewith a nozzle which, via a line and a controllable valve disposed in the line, is adapted to be connected to a pressure source in order to route a tablet into a rejects duct wherein the control signals for the valve are produced by a control device, characterized in that the line, between the orifice of the nozzle and the valve, has disposed a pressure sensor which delivers a sensor signal if the valve is opened or a predetermined minimum pressure prevails in the line and a logic evaluation circuit is provided into which the sensor signal and the control signal are input and that an error signal is produced in the evaluation circuit, which signal is evaluated by the control device if the time relation of the control signals and the sensor signals deviates from a predetermined relation.Type: GrantFiled: March 4, 2002Date of Patent: July 19, 2005Assignee: Wilhelm Fette GmbHInventors: Jürgen Hinzpeter, Ingo Schmidt, Ulrich Gathmann, Peter Preuss, Werner Seifert
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Publication number: 20040211265Abstract: A method for test pressing tablets by means of a rotary tabletting machine, a rotationally driven rotor which has a series of upper and lower rams, a die-plate with dies with which the rams interact, a control cam system for said rams, and a filling assembly to continuously fill said dies with said rotor rotating, further by means of at least one pressure station at which the material located in said dies is compressed into a tablet, and a measuring device having a plurality of measuring positions which measures at least the compression force applied by said rams and the number of revolutions of said rotor, comprising the process steps below:Type: ApplicationFiled: April 27, 2004Publication date: October 28, 2004Inventors: Juergen Hinzpeter, Ingo Schmidt, Ulrich Gathmann, Joerg Gaedecke
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Publication number: 20030161907Abstract: Tabletting machine in form of a rotary press, with a rotor which accommodates a set of top and bottom stamping dies, which co-operate with moulds of a mould plate, cam segments associated to the rotor, and pressure rollers for the actuation of the stamping dies, a filling equipment, a stripping device for tablets knocked out of the mould etc.Type: ApplicationFiled: February 21, 2003Publication date: August 28, 2003Applicant: Fette GmbHInventors: Jurgen Hinzpeter, Ingo Schmidt, Jorg Gaedecke, Ulrich Gathmann, Joachim Greve, Enrico Gand, Klaus-Peter Preuss, Alexander Oldenburg
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Publication number: 20030118682Abstract: The present invention is directed to a tablet-pressing device that includes a tablet press, a control computer configured to drive and regulate the motors of the tablet press, and a service computer which admits the input and output of data for the operation of the tablet press. The tablet press is linked to the control computer via a cable link for high-speed data transfer. The tablet press and the service computer exchange data and control commands via a wireless data link.Type: ApplicationFiled: December 13, 2002Publication date: June 26, 2003Inventors: Jurgen Hinzpeter, Ingo Schmidt, Ulrich Gathmann, Jorg Gaedecke
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Publication number: 20020134713Abstract: An apparatus for singling out tablets for a rotary tablet-compressing press the rotor of which has associated therewith a nozzle which, via a line and a controllable valve disposed in the line, is adapted to be connected to a pressure source in order to route a tablet into a rejects duct wherein the control signals for the valve are produced by a control device, characterized in that the line, between the orifice of the nozzle and the valve, has disposed a pressure sensor which delivers a sensor signal if the valve is opened or a predetermined minimum pressure prevails in the line and a logic evaluation circuit is provided into which the sensor signal and the control signal are input and that an error signal is produced in the evaluation circuit, which signal is evaluated by the control device if the time relation of the control signals and the sensor signals deviates from a predetermined relation.Type: ApplicationFiled: March 4, 2002Publication date: September 26, 2002Inventors: Jurgen Hinzpeter, Ingo Schmidt, Ulrich Gathmann, Peter Preuss, Werner Seifert
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Patent number: 6451228Abstract: An adjusting method for a rotary tablet press with an angle pulse encoder for evaluating the pressing force course at the individual punches in at least one pressing station, in which the angle pulse encoder per revolution of the press rotor produces a pulse per revolution and per rotational angle value produces an angle pulse, characterised by the following steps: the angle pulse encoder is rigidly assembled relative to the rotor shaft in any position the rotor with a predetermined punch is moved visually under the middle of a main pressing roller (coarse position) the rotor is rotated until the pulse per revolution appears, and the angle pulses until the pulse per revolution are counted by a machine computer and their number is stored the computer computes the coarse positions of all punches, expressed in angle pulses, in relation to the pulse per revolution and produces on rotation of the rotor one coarse position pulse per punch in the computer to each coarse position there is allocated a measuring wType: GrantFiled: March 7, 2000Date of Patent: September 17, 2002Assignee: Wilhelm Fette GmbHInventors: Jürgen Hinzpeter, Ingo Schmidt, Ulrich Gathmann, Jörg Reitberger, Joachim Greve, Klaus-Peter Preuss
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Patent number: 6442859Abstract: A method for determining the position of a punch with respect to a die in a powder press with the following steps: storing a reference measure in a computer corresponding to a predetermined relatively small distance of the punch to the upper edge or lower edge of the die, storing a reference offset in the computer by counting the pulses of an incremental path sensor actuated by the punch on raising the punch from the reference measure to an index pulse, measuring the position of the punch above the reference offset using an absolute path sensor which evaluates the path of the adjusting piston for the punch and whose readings are inputted into the computer, and inputting the pulses of the incremental path sensor into the computer as soon as the actual position of the punch is equal or smaller than the sum measure of the reference offset and the reference measure.Type: GrantFiled: April 18, 2000Date of Patent: September 3, 2002Assignee: Wilhelm Fette GmbHInventors: Jürgen Hinzpeter, Ingo Schmidt, Jörg Reitberger, Ulrich Gathmann, Klaus Peter Rüssmann, Thomas Pannewitz, Stephan Mallon, Alexander Oldenburg
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Patent number: 6426458Abstract: A control cabinet for a tablet press including an enclosure having wall, ceiling, and bottom portions of sheet metal, a door which closes an opening of the enclosure wherein a door board attached to the enclosure by means of at least one hinge only consists of two panels of a transparent material with no surrounding border between which a netting of a conductive material is disposed, and a contacting device which electrically connects the netting to a portion of the enclosure.Type: GrantFiled: April 26, 2000Date of Patent: July 30, 2002Assignee: Wilhelm Fette GmbHInventors: Jürgen Hinzpeter, Ingo Schmidt, Joachim Greve, Jörg Reitberger, Ulrich Gathmann, Klaus Peter Preuss
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Patent number: 6362970Abstract: A distribution device for a rotary press, including: a distribution box in or on the housing of the rotary press, a plurality of connectors on opposed sides of the distribution box for connection to one cable each at the externally located end, a p.c. board in the distribution box for an electric connection between opposed connectors with the connectors having soldering pins which are extended through an opening in the distribution box and are fixed by soldering in appropriate bores of the p.c. board at their free ends.Type: GrantFiled: April 18, 2000Date of Patent: March 26, 2002Assignee: Wilheim Fette GmbHInventors: Jürgen Hinzpeter, Ingo Schmidt, Joachim Greve, Jörg Reitberger, Ulrich Gathmann, Klaus Peter Preuss