Patents Assigned to Mayfran International B.V.
  • Patent number: 7648632
    Abstract: A device is disclosed for receiving and separating chips and coolant collecting on machine tools in which unfiltered coolant is prevented from penetrating tanks for filtered coolant in the event a receiving tank overflows. This is achieved in that holders, whose projecting ends, which are directed downward, extend into an overflow channel, are tightly attached externally to the wall of the receiving tank. The overflow channel is guided around the device at a level below the top edge of the receiving tank and is removably held on the holders. The overflow channel tightly covers tanks located beneath it having filtered coolant. The inner edge of the overflow channel neighboring the receiving tank lies at a higher level than the outer edge of the overflow channel, which is further away from the receiving tank, and at least one outlet device is provided in the bottom region of the overflow channel.
    Type: Grant
    Filed: January 17, 2006
    Date of Patent: January 19, 2010
    Assignee: Mayfran International B.V.
    Inventors: Leo J. P. Ackermanns, Wiel E. H. Kroonen, Joseph H. van Loo
  • Patent number: 7563369
    Abstract: A device for receiving and separating chips and cooling liquid collecting on machine tools. The device may include a transport element that is guided along a filter drum at a radial distance from the latter on guide rails, and cooperating driver elements acting only in the circumferential direction on the filter drum and arranged in each case at a distance from one another are provided on the transport element and on the filter drum.
    Type: Grant
    Filed: October 2, 2006
    Date of Patent: July 21, 2009
    Assignee: Mayfran International B.V.
    Inventors: Leo J. P. Ackermanns, Wim R. E. Arnts, Rene M Sieben, Rimmond H. B. Souren
  • Patent number: 7485226
    Abstract: A device for receiving and separating chips and coolant discharged from machine tools having a filter drum that has an internal bearing ring on each of its two ends, which each engage in an external bearing ring so that they rotate together. Spring elements, which run parallel to the axis of the filter drum, may be provided which are supported on one side on the internal bearing ring and on the other side on the external bearing ring. Sealing elements may be provided to prevent undesired flow of unfiltered coolant.
    Type: Grant
    Filed: February 6, 2006
    Date of Patent: February 3, 2009
    Assignee: Mayfran International, B.V.
    Inventors: Leo J. P. Ackermanns, Rimmond H. B. Souren
  • Patent number: 7115200
    Abstract: The invention relates to a device for receiving and separating chips and cooling liquid collecting on machine tools, in which a transport element is guided along a filter drum at a radial distance from the latter on guide rails, and cooperating driver elements acting only in the circumferential direction on the filter drum and arranged in each case at a distance from one another are provided on the transport element and on the filter drum.
    Type: Grant
    Filed: May 19, 2003
    Date of Patent: October 3, 2006
    Assignee: Mayfran International B. V.
    Inventors: Leo J. P. Ackermanns, Wim R. E. Arnts, Rene M Sieben, Rimmond H. B. Souren
  • Patent number: 7014764
    Abstract: A device for receiving and separating chips and coolant collecting on machine tools, having a filter drum (12) that has an internal bearing ring (13) on each of its two ends, which each engage in an external bearing ring (16) so that they rotate together, spring elements (19), which run parallel to the axis of the filter drum (12), are provided which are supported on one side on the internal bearing ring (13) and on the other side on the external bearing ring (16), each of the external bearing rings (16) is seated in a bearing shell (23, 24), which is fixed to the housing, and is supported on it in the axial direction, and sealing elements (17) are provided between each of the internal bearing rings (13) and the external bearing rings (16).
    Type: Grant
    Filed: May 19, 2003
    Date of Patent: March 21, 2006
    Assignee: Mayfran International B.V.
    Inventors: Leo J. P. Ackermanns, Rimmond H. B. Souren
  • Patent number: 7014760
    Abstract: A device is disclosed for receiving and separating chips and coolant collecting on machine tools, the coolant being returned for reuse and the chips being removed, having a receiving tank (1) to receive the chips and the coolant, a rising guide section (3) adjoining the receiving tank (1), an elevated discharge section (4) adjoining the guide section (3), a chain-like closed transport element, which, at least in the region receiving the chips and the coolant and in the discharge section (4), is guided over deflection elements (6, 7), at least one of which is coupled to a rotary drive, and a rotatably mounted filter drum (12), which is in drive connection with the transport element. A suggestion is made for preventing unfiltered coolant from penetrating the tanks for filtered coolant in the event the receiving tank overflows.
    Type: Grant
    Filed: May 19, 2003
    Date of Patent: March 21, 2006
    Assignee: Mayfran International B.V.
    Inventors: Leo J. P. Ackermanns, Wiel E. H. Krōonen, Joseph H. van Loo
  • Patent number: 6736342
    Abstract: A method and two apparatuses for comminuting chips are presented. Chip breakers without a coarse-part ejecting element are often used for comminuting chips. Blocking constituents therefore have to be removed with great effort, for example by hand. If a coarse-part ejecting element is present, there is no differentiation between blocking hard parts and blocking clumps of chips, but instead both types are ejected. It is now envisaged to subdivide blocking constituents in horizontal chip breakers into categories, depending on the negative acceleration of the shaft (3, 17, 18) caused by the blocking, and to assign to each category a defined reversing operation for loosening the blocking constituents and, if appropriate, discharge from the comminuting space (1, 15) by means of a coarse-part ejecting element (12, 32).
    Type: Grant
    Filed: August 29, 2001
    Date of Patent: May 18, 2004
    Assignee: Mayfran International B.V.
    Inventor: Joseph Hubert van Loo