Patents Assigned to Hans Stahlecker
  • Patent number: 5167114
    Abstract: An arrangement for producing spool packages serving as feeding packages for twisting, having a control apparatus for interrupting the operation. Sliver detectors arranged in front of drafting units are connected to the control apparatus. At least one yarn detector is connected which is arranged behind air nozzles. It is provided that the control apparatus is equipped with devices for generating a piecing signal, the piecing signal being generated after the yarn detector or detectors has/have responded or, if a sliver detector has responded, after the defect signal of the sliver detector is extinguished.
    Type: Grant
    Filed: January 26, 1990
    Date of Patent: December 1, 1992
    Assignee: Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5163279
    Abstract: In an arrangement for producing packages used as feeding packages for a subsequent twisting operation and containing two yarns wound up side-by-side, it is provided that the yarns are monitored with respect to a yarn breakage and, in the case of the occurrence of a yarn breakage, are cut and connected with one another at a common point before moving onto the package.
    Type: Grant
    Filed: October 22, 1991
    Date of Patent: November 17, 1992
    Assignee: Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5161362
    Abstract: In the case of an arrangement for pneumatic false-twist spinning having air nozzles arranged behind a pair of drafting units, it is provided that the air nozzles lead into a space which is designed as a V-shaped groove which, together with a covering, is completed to form a yarn guiding duct which leads from the mouth of the air nozzles to a yarn outlet opening. The yarn guiding duct is provided with a cross-sectional enlargement in the area adjacent the air nozzle outlets to provide for uniform flow in the duct.
    Type: Grant
    Filed: January 18, 1991
    Date of Patent: November 10, 1992
    Assignee: Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5138830
    Abstract: In a spinning machine having a plurality of drafting units which each comprise several bottom rollers constructed as roller sections, it is provided that the sliver-carrying area of the bottom rollers is separated from the area receiving the clutch element and the driving wheels by means of a partition, the partitions of two adjacent drafting units being connected with one another.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: August 18, 1992
    Assignee: Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5138828
    Abstract: For a facility having one or several spinning machines and having at least one exchanging cart for the exchange of empty cans for full cans, it is provided that the exchanging cart is provided with devices for carrying out different exchange operations for making exchanges in the front or the back row which are triggered by signals as a function of depositing locations which are firmly assigned to the spinning points.
    Type: Grant
    Filed: August 24, 1990
    Date of Patent: August 18, 1992
    Assignee: Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5119622
    Abstract: In the case of a spinning machine having a plurality of drafting units arranged next to one another which each comprise a stripping device, a cleaning device for the stripping devices is provided which can be moved along the spinning machine. The cleaning device, in each case, moves the stripping devices from an operating position into a cleaning position, in which the cleaning of the stripping device is carried out.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: June 9, 1992
    Assignee: Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5119623
    Abstract: In the case of a false-twisting nozzle for pneumatic false-twist spinning having a nozzle body formed of one or several segments, it is provided that, for the reduction of the cross-section of the outlet opening of the blow duct, at least one part of its interior wall is provided with a coating.
    Type: Grant
    Filed: August 20, 1990
    Date of Patent: June 9, 1992
    Assignee: Fritz and Hans Stahlecker
    Inventors: Gerhard Fetzer, Hans Braxmeier
  • Patent number: 5119996
    Abstract: A spinning machine is disclosed which includes a plurality of spinning units which each spin two prestrengthened yarn components and guide them together to a double yarn. A movable servicing device is provided which can be applied to the individual spinning units and which, for feeding the double yarn to a spool tube inserted into a spinning unit wind-up device and driven to perform rotations, has a device that can be applied to the spool tube and is equipped with devices for the deflecting of a section of the double yarn into a direction extending approximately in parallel to the axis of the spool tube and for the transferring of the deflected section of the double yarn into the moving range of a driving device rotating together with the spool tube.
    Type: Grant
    Filed: November 20, 1991
    Date of Patent: June 9, 1992
    Assignee: Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5117622
    Abstract: In an arrangement for open-end rotor spinning having a fiber feeding duct leading from a feeding and opening device to a spinning rotor, it is provided that the fiber feeding duct, at a distance to its mouth, is provided with at least one bypass opening which has a smaller cross-section than the mouth of the fiber feeding duct and which is provided at a point of the fiber feeding duct which has a larger cross-section than the mouth.
    Type: Grant
    Filed: May 2, 1990
    Date of Patent: June 2, 1992
    Assignee: Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5107669
    Abstract: A drafting unit is disclosed for a spinning machine having a load carrier which can be swivelied around a carrying rod extending in parallel with respect to bottom rollers. A carrying part is provided for a cleaning device which comprises two cleaning rags constructed as continuous loops, and which is constructed as a frame with two legs extending in parallel with respect to the load carrier and one crosshead. The frame is pivotally disposed at the load carrier in the vicinity of the carrying rod so as to accommodate lifting of the cleaning rags out of their cleaning position without requiring opening of the drafting unit.
    Type: Grant
    Filed: May 30, 1990
    Date of Patent: April 28, 1992
    Assignee: Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5105613
    Abstract: In the case of an arrangement for the intermediate storage of a double yarn formed of two yarn components, a suction chamber is provided which has an air permeable depositing surface for the double yarn. In addition, an air nozzle is provided at the inlet side of the suction chamber which receives the double yarn and delivers it to the suction chamber.
    Type: Grant
    Filed: March 12, 1990
    Date of Patent: April 21, 1992
    Assignees: Hans Stahlecker, Fritz Stahlecker
    Inventors: Werner Zott, Winfried Joos
  • Patent number: 5094377
    Abstract: In an arrangement for the temporary storage of a yarn between a splicing device and a continuously yarn-delivering delivery device, a ring-shaped depositing chamber is provided, which chamber can be rotated around a shaft which is directed transversely to the yarn-conveying direction, the bottom of this depositing chamber being air-permeable and connected to a suction device.
    Type: Grant
    Filed: February 11, 1991
    Date of Patent: March 10, 1992
    Assignees: Fritz Stahlecker, Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5092115
    Abstract: For a spinning or twisting spindle, a holding device is provided which comprises a pin made of a spinning-elastic material which is an extension of the spindle bearing housing, the cross-section of the pin being smaller than the cross-section of the spindle bearing housing and the pin forming a point of discontinuity.
    Type: Grant
    Filed: December 12, 1990
    Date of Patent: March 3, 1992
    Assignee: Fritz & Hans Stahlecker
    Inventors: Gerd Stahlecker, Hans Braxmeier
  • Patent number: 5090192
    Abstract: In an arrangement for false-twist spinning, a yarn guiding element is arranged between a drafting unit and a false-twisting nozzle which moves in the travelling direction of the yarn at a speed which is higher than the delivery speed and the withdrawal speed.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: February 25, 1992
    Assignee: Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5079908
    Abstract: An arrangement is disclosed for carrying out a yarn piecing at a spinning point of a spinning machine. The arrangement includes devices for connecting the old and the new yarn, devices for the intermediate storage of the yarn length of the new yarn produced during the connecting, and devices for winding the connected yarn onto a spool package. It is provided that a control device for the drive of the package spool is connected to a device for determining the expected point in time of the using-up of the intermediately stored yarn length and controls the reduction of the speed of the devices for the winding-up.
    Type: Grant
    Filed: February 23, 1990
    Date of Patent: January 14, 1992
    Assignee: Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5069027
    Abstract: In the case of a tangential belt drive for spinning or twisting machines having several rotating elements driven by a common tangential belt and having belt guiding members, which can be adjusted for correcting the moving direction of the tangential belt, it is provided that, along the tangential belt, several sensors are arranged which sense deviations from a given moving direction, and in the control elements are assigned to at least some of the belt guiding members, these control elements being controlled by an analyzing device which processes the signals of the sensors.
    Type: Grant
    Filed: July 14, 1989
    Date of Patent: December 3, 1991
    Assignees: Fritz Stahlecker, Hans Stahlecker
    Inventors: Fritz Stahlecker, Gerd Stahlecker
  • Patent number: 5067315
    Abstract: In the case of a process for the splicing of the ends of two double yarns during a piecing operation at a spinning unit, it is provided that either the ends to be spliced are prepared such that the spliced point is a thin point, or that the spliced double yarn is pneumatically strengthened in the area of the spliced point.
    Type: Grant
    Filed: November 19, 1990
    Date of Patent: November 26, 1991
    Assignee: Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5065572
    Abstract: In an arrangement for open-end rotor spinning having a fiber feeding duct starting at a feeding and opening device and tapering in the direction of the spinning rotor, it is provided that at least one bypass opening in the fiber feeding duct is provided at a point which has a larger cross-section than the mouth of the fiber feeding duct, and in that the fiber feeding duct has a deflection in front of the bypass opening by which the fibers are guided past the bypass opening.
    Type: Grant
    Filed: May 9, 1990
    Date of Patent: November 19, 1991
    Assignee: Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5044150
    Abstract: In an arrangement for producing packages, which are used as feeding packages for twisting, it is provided that, directly in front of a cross-winding device of a wind-up device, a processing device is arranged which is controlled by yarn detectors. The yarn detectors monitor one yarn resepctively, which together form a double yarn, which is wound on the package. A yarn separating device or a device for connecting the two yarns is used as the processing device.
    Type: Grant
    Filed: December 10, 1990
    Date of Patent: September 3, 1991
    Assignee: Hans Stahlecker
    Inventor: Fritz Stahlecker
  • Patent number: 5030019
    Abstract: In the case of a bearing for an open-end spinning rotor, the shaft of which is radially disposed by means of supporting disks and axially, with its end, is supported at a ball, it is provided that the ball is suppported by means of an abutment which has finger-type parts which are constructed such that they have natural frequencies which slightly differ from one another and permit a beat.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: July 9, 1991
    Assignee: Hans Stahlecker
    Inventor: Fritz Stahlecker