Patents Assigned to Fette GmbH
  • Publication number: 20080237097
    Abstract: Apparatus for the outflow of pressed items from a rotary press, with a first channel section connecting directly to the rotary press, to which at least two channel sections are connected, to which a deflector is attached, which is swivel mounted at an axis almost vertical to the longitudinal extension of the first and/or second channel section and optionally connects the first channel section with one of the other channel sections and a pivot drive for the deflector below or above the channel sections, characterized in that a bearing pin for the deflector is connected in a torque-proof manner with a channel section and the swivel drive is coupled with the deflector via a magnetic coupling eccentric to the bearing pin.
    Type: Application
    Filed: March 13, 2008
    Publication date: October 2, 2008
    Applicant: Fette GmbH
    Inventors: Sven Kolbe, Ulrich Arndt
  • Publication number: 20080223009
    Abstract: A filtering plant for removing dusts from gases, with a plurality of filter units, which are parallel connected to a line for crude gas and the outlets thereof are parallel connected to a line for purified gas, wherein an extraction blowing engine is connected to the line for purified gas, further with an apparatus for cleaning the filter units, which has a lower collecting space for the filter cake with a discharge opening with flap on the lower end of the collecting space, characterised in that the dust discharge openings of all the filter units except one are connected to a common collecting main and the collecting main is connected to the crude gas region of the one filter unit.
    Type: Application
    Filed: December 20, 2007
    Publication date: September 18, 2008
    Applicant: Fette GmbH
    Inventors: Harald Romer, Detlef Nuppenau, Eugen Kruger, Dieter Schmidt, Michael Markl, Bernd Granzow, Jens Mannshardt
  • Publication number: 20080207342
    Abstract: A rotatingly drivable cutting head with at least one cutting insert, which has a cutting profile tool for radial engagement into a workpiece, the one axis of which is in the rotational axis of the cutting head, wherein cutting head and workpiece are moved axially and in the rotational direction with respect to each other, wherein the cutting insert is detachably attachable on a holding element of the cutting head, wherein further the holding element and with it the cutting insect is radially movable between a working position and a releasing position, and with locking means for positioning the cutting insert in the working position and shifting means for shifting the cutting insert from the working position into the releasing position and vice versa, wherein the cutting insert has an axis which runs parallel to the rotational axis in a distance, the cutting insert is attachable on the holding element in at least two rotational positions in an angular distance when it is rotated around its axis, and in every r
    Type: Application
    Filed: February 11, 2008
    Publication date: August 28, 2008
    Applicant: Fette GmbH
    Inventors: Detlef Adam, Roland Wohl, Andreas Focken
  • Patent number: 7374414
    Abstract: Rotary press with a rotor, rotatingly drivable around a vertical axis of rotation, which has a die plate with die bores and upper and lower punches guided in guidings, radial cams for the upper and lower punches, at least one compression station with upper and lower pressing roller, at least one filling equipment and at least one stripping device for pressed articles which are ejected from the die bores, characterized in that the rotor has an annular plane situated radially outside of the graduated circle for the die bores, which is concentric to the axis of rotation and is lowered with respect to the upper side of the die plate about a predetermined degree, first deflection portion direct the ejected pressed articles to the annular plane and second deflection portion direct the pressed articles from the annular plane towards the outside.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: May 20, 2008
    Assignee: Fette GmbH
    Inventors: Harald Römer, Ulrich Zeuschner, Thorsten Ehrich, Kurt Marquardt
  • Patent number: 7364420
    Abstract: Rotary press for making tablets with a rotor, which rotor exhibits a die plate and guides for the upper and lower punches, a rotor shaft and an electric drive motor, which electric drive motor rotates the rotor shaft and exhibits a runner and a stator, wherein the runner is disposed directly on the rotor shaft in a torque proof manner or is coupled coaxially with the rotor shaft in a torque proof manner
    Type: Grant
    Filed: August 15, 2005
    Date of Patent: April 29, 2008
    Assignee: Fette GmbH
    Inventors: Peter Luneburg, Ingo Schmidt, Joachim Greve, Ulrich Arndt, Alexander Oldenburg
  • Patent number: 7360483
    Abstract: A device for the guidance of lower rams across the lower-ram head in a rotor-type rotary press in the area of a filling device wherein a charging cam is disposed between an ejector cam which precedes as viewed in the direction of production and a proportioning cam adjustable in height and is configured such as to lower the heads of the lower rams revolving along with the rotor from the level at the end of the ejector cam to a lower-located transition level of the proportioning cam, a press-mounted, first charging-cam element having a first filling-cam portion joining the ejector cam is provided on which the lower-ram heads are guided solely on the side facing the rotor axis subsequent to the ejector cam, an adjustable second charging-cam element is provided and has a second filling-cam portion on which the lower-ram heads are guided solely on the side facing away from the rotor axis before encountering the proportioning cam, that the second charging-cam element is displaceable both vertically and in the circu
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: April 22, 2008
    Assignee: Fette GmbH
    Inventors: Harald Romer, Peter Luneburg, Bernd Malner, Hans Wolf
  • Patent number: 7351048
    Abstract: Powder press for the production of pressed articles of powder-shaped pressing material, having the following characteristics: a female mould plate with a least two female moulds or one female mould with at least two female die bores, at least two upper plungers, which co-operate with the female moulds and the female die bores, respectively, hydraulic cylinder for the upper plungers at least two bottom plungers, which co-operate with the female moulds and the female die bores, respectively hydraulic cylinders for the bottom plungers at least one position sensor for the upper plungers, and at least one position sensor for the bottom plungers force sensors for the individual hydraulic cylinders and a controlling means for the hydraulic cylinder or the hydraulic cylinders for the upper plungers and each one controlling means for the hydraulic cylinders for the bottom plungers.
    Type: Grant
    Filed: February 16, 2005
    Date of Patent: April 1, 2008
    Assignee: Fette GmbH
    Inventors: Jurgen Hinzpeter, Ingo Schmidt, Andreas Groth, Andreas Teetzen, Thomas Pannewitz, Holger Behns
  • Publication number: 20080063482
    Abstract: A disc-shaped mill cutting tool, with a disc-shaped main body which has a central axial through bore for the accommodation of a drive shaft as well as a plurality of pockets for the accommodation of cutting inserts on its perimeter, wherein chip spaces are associated to the pockets and a channel system is arranged between the central through bore and the chip spaces for the passage of cooling fluid which emerges in the chip spaces, characterised in that the disc-shaped main body is formed by at least two sub-discs coaxially sitting close together, which form a concentrically arranged ring channel between themselves, which is connected to the through bore via at least one connection channel, and the ring channel is connected to the chip spaces via relatively short bore portions.
    Type: Application
    Filed: September 7, 2007
    Publication date: March 13, 2008
    Applicant: Fette GmbH
    Inventor: Achim Engfer
  • Patent number: 7325672
    Abstract: A device for stopping a continuous product stream of the products of a rotary press, with a height conveyor which has a lower loading region to which the products are supplied via a first conveying means, and an upper delivery region, from which the products are conveyed to a reception container via a second conveying means, wherein on the downstream side of the delivery region of the height conveyor a switch is assigned to the second conveying means, a third conveying device being connected to this switch, the lower end of which is assigned to the loading region of the height conveyor, so that the products are supplied to the second or third conveying means depending on the condition of the switch
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: February 5, 2008
    Assignee: Fette GmbH
    Inventors: Detlef Nuppenau, Harald Romer, Sven Kolbe, Frank Schade
  • Patent number: 7322812
    Abstract: A transfer lock for a tabletting plant, which has a casing with side walls where at least one wall has an aperture which is adapted to be closed by a first flap which is pivotable inwardly into the interior of the casing and is adapted to be locked by a locking device operable from the interior of the casing, wherein the aperture is externally surrounded by a connection profile which is adapted to be sealingly brought together with a counter-profile of a lock channel and the flap externally has a driver profile which interacts with a counter-driver profile of a second flap mounted at the end of the lock channel when the counter-profile of the lock channel is connected to the connection profile, thus allowing to pivot the two flaps into the interior of the casing when the locking device is unlocked, which integrates the connection profile into the material of the casing wall.
    Type: Grant
    Filed: April 18, 2006
    Date of Patent: January 29, 2008
    Assignee: Fette GmbH
    Inventors: Harald Romer, Frank Schade, Detlef Nuppenau, Ulrich Arndt
  • Publication number: 20070257411
    Abstract: A device for the guidance of lower rams across the lower-ram head in a rotor-type rotary press in the area of a filling device wherein a charging cam is disposed between an ejector cam which precedes as viewed in the direction of production and a proportioning cam adjustable in height and is configured such as to lower the heads of the lower rams revolving along with the rotor from the level at the end of the ejector cam to a lower-located transition level of the proportioning cam, a press-mounted, first charging-cam element having a first filling-cam portion joining the ejector cam is provided on which the lower-ram heads are guided solely on the side facing the rotor axis subsequent to the ejector cam, an adjustable second charging-cam element is provided and has a second filling-cam portion on which the lower-ram heads are guided solely on the side facing away from the rotor axis before encountering the proportioning cam, that the second charging-cam element is displaceable both vertically and in the circu
    Type: Application
    Filed: April 12, 2007
    Publication date: November 8, 2007
    Applicant: Fette GmbH
    Inventors: Harald Romer, Peter Luneburg, Bernd Malner, Hans Wolf
  • Patent number: 7290997
    Abstract: A plant for the manufacture of tablets, comprising a rotary tabletting machine, a control cabinet which houses a machine computer, a control desk which preferably is mobile and houses a service computer to operate functions of the tabletting machine and store data including an emergency stop, a printer connected to the control desk, and peripheral devices such as a tablet tester, dust trap, etc., wherein said control cabinet, control desk, and further peripheral devices have a power supply and are connected to said tabletting machine, wherein said control desk and said tabletting machine have a transceiver each and two wireless transmission links are provided between said transceivers out of which one is designed to transmit data and control signals and the other one is designed to transmit an emergency stop signal.
    Type: Grant
    Filed: April 27, 2004
    Date of Patent: November 6, 2007
    Assignee: Fette GmbH
    Inventors: Jurgen Hinzpeter, Ingo Schmidt, Joachim Greve, Mattias Meier, Klaus-Peter Preuss
  • Publication number: 20070251286
    Abstract: Press for producing dimensionally stable pressed parts from powdered material, with a press frame, a die holding plate, at least one upper punch holding plate, at least one lower punch holding plate, adjusting drives for the upper punch and lower punch holding plate and/or die holding plate, a vertical guide in the press frame for at least the upper and lower punch holding plate and a measuring device for measuring the position of the upper punch holding plate, the lower punch holding plate and/or the die holding plate. A single measuring rule is attached in its thermal fixed reference point to a support vertically uncoupled from the press frame, on which measurement slides cooperating with the holding plates are guided.
    Type: Application
    Filed: April 12, 2007
    Publication date: November 1, 2007
    Applicant: Fette GmbH
    Inventors: Udo Baltruschat, Holger Behns, Carsten Jordt, Jan Naeve, Thomas Pannewitz, Martin Plucinski, Harald Romer
  • Publication number: 20070251369
    Abstract: A press for the manufacture of dimensionally stable compacts from powdered material, characterized by the features of a press frame having vertically adjustable columns and cross-connections, a die retainer plate, at least one upper ram retaining plate, at least one lower ram retaining plate, a guide column outside a press main axis which has two parallel guideways on which all retainer plates are adapted to be guided vertically on one side or be selectively locatable, wherein the lower end of the guide column is fixedly coupled to a frame-mounted lower plate and the upper end is located on the press frame, an upper adjustable drive adapted to be located on the press frame, for the upper retaining plate (34), a lower adjustable drive (68) for the lower retaining plate (38, 40) and the die retainer plate, if desired, and which is fixed to the frame-mounted lower plate.
    Type: Application
    Filed: April 12, 2007
    Publication date: November 1, 2007
    Applicant: Fette GmbH
    Inventors: Udo Baltruschat, Holger Behns, Carsten Jordt, Jan Naeve, Thomas Pannewitz, Martin Plucinski, Harald Romer
  • Publication number: 20070241127
    Abstract: Method for the automatic control of the amount of active ingredient of tablets during the production in a rotary tablet press, which has a die table with die bores, upper and lower punches assigned to the die bores, a filling station, a metering cam for the lower punches in the filling station, at least one pressing station with at least one upper and one lower pressing roller, wherein at least the lower pressing roller is adjustable with respect to the other pressing roller by means of a pressing roller adjustment equipment, a metering cam adjustment equipment for height adjustment of the metering cam, a compression force measuring equipment at the pressing station, a control- and operating computer and an active ingredient measuring equipment, characterised by the following procedural steps: during the tablet production, the amount of active ingredient of tablets is measured and values for the amount of active ingredient are compared with a predetermined desired active ingredient value in the control- an
    Type: Application
    Filed: April 5, 2007
    Publication date: October 18, 2007
    Applicant: Fette GmbH
    Inventors: Ingo Schmidt, Ines Andersen
  • Publication number: 20070172316
    Abstract: A hobbing cutter with a hob body which circumferentially has at least one helically shaped flight or a plurality of annular flights, including flanks on either side of a flight apex, wherein the flanks have alternately mounted thereon indexable inserts by means of screws and the indexable inserts extend into the flight apex, wherein the cutting edges of adjoining hobbing flights further are at a twisted offset from a line which runs in parallel with the axis of the hob body, and wherein the indexable inserts have associated therewith radially outwardly open chutes which transversely extend through the flight apex, wherein the cutting edges of the indexable inserts of adjoining flights are disposed at such an offset from each other that a straight shank of a screwdriver can be passed through a close-to-apex portion of the chutes in order to be engaged with a mounting bolt of an indexable insert on the adjoining flight.
    Type: Application
    Filed: January 24, 2007
    Publication date: July 26, 2007
    Applicant: Fette GmbH
    Inventors: Thomas Jacob, Klaus-Dieter Schlisio
  • Publication number: 20070164480
    Abstract: Device for monitoring the production of tablets in a rotary press, with die bores in a circular die plate for the accommodation of a powder to be pressed, upper- and lower stamps, a pressing station for pressing the powder in the die bores by means of the upper and lower stamps, a tablet stripper for stripping off the tablets ejected by the lower stamps from the upper side of the circular die plate and a machine computer, wherein a contactless working temperature measurement device, being in communication with the machine computer, with a measurement plane between the pressing station and the tablet stripper, is arranged in the press room of the rotary press, and the measurement time of the temperature measurement device is such that at least some of the tablets per rotation of the circular die plate can be established in their temperature.
    Type: Application
    Filed: January 17, 2007
    Publication date: July 19, 2007
    Applicant: Fette GmbH
    Inventors: Ingo Schmidt, Werner Seifert
  • Publication number: 20070149108
    Abstract: A device for generating a negative pressure in the sealed room of a tablet press and/or of an isolator, with a fan connected to the sealed room and an air opening towards the sealed room, wherein the intake side of an ejector is connected with the sealed room, the working fluid connection of which is connectable with a compressed air source via a valve, with a sensor which is connected to a negative pressure control unit which opens the valve when the sensor measures a pressure in the sealed room which is above a predetermined negative pressure value, a second valve being assigned to the fresh air inlet opening, which depending on the embodiment remains opened or is triggered and closed by the negative pressure control unit.
    Type: Application
    Filed: December 19, 2006
    Publication date: June 28, 2007
    Applicant: Fette GmbH
    Inventors: Holger Behns, Enrico Gand, Linda Heck, Ralf Zingler
  • Publication number: 20070144870
    Abstract: A device for stopping a continuous product stream of the products of a rotary press, with a height conveyor which has a lower loading region to which the products are supplied via a first conveying means, and an upper delivery region, from which the products are conveyed to a reception container via a second conveying means, wherein on the downstream side of the delivery region of the height conveyor a switch is assigned to the second conveying means, a third conveying device being connected to this switch, the lower end of which is assigned to the loading region of the height conveyor, so that the products are supplied to the second or third conveying means depending on the condition of the switch
    Type: Application
    Filed: December 21, 2006
    Publication date: June 28, 2007
    Applicant: Fette GmbH
    Inventors: Detlef Nuppenau, Harald Romer, Sven Kolbe, Frank Schade
  • Publication number: 20070096351
    Abstract: Method for determining a reference for a powder press, which comprises a die plate for attaching a die and an upper adaptor plate which may be actuated by a drive which is hydraulic, mechanical, electric or the like for attaching an upper punch, a lower adaptor plate which may be actuated by a hydraulic drive for attaching a lower punch or the die plate and at least one distance measuring system for the upper and lower punch and/or the die plate with the following steps: a reference die and at least one reference punch are made, the reference die is attached to the die plate, by an optical measuring device usefully arranged on a base plate and/or die plate, the position of the upper edge of the reference die is measured and the position value stored, the reference die is removed, the adaptor plate with the reference punch previously attached therein, is moved in the direction of the die until the lower edge of the reference punch has reached the stored position of the upper edge of the reference die, the sum
    Type: Application
    Filed: October 24, 2006
    Publication date: May 3, 2007
    Applicant: Fette GmbH
    Inventors: Thomas Pannewitz, Martin Plucinski, Andreas Groth, Andreas Teetzen