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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Raasch; Hans
Address:
Monchen-Gladbach, DE
No. of patents:
84
Patents:


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Patent Number Title Of Patent Date Issued
RE32507 Opening roller unit for open-end spinning installations September 22, 1987
An opening roller unit for open-end spinning installations as a shaft supported in a bearing box and an opening roller arranged on an end of the shaft which projects from the bearing box. The opening roller extends over the bearing box in a manner forming a cavity that is sealed toward t
6796116 Sliver opening device for an open-end spinning device September 28, 2004
An open-end spinning device with an opening device for opening continuously supplied sliver material by means of a rapidly running opening cylinder, which opening device is arranged in front of a sliver spreading device (78) with cooperating pairs of spreading cylinders. The spreading
6745553 Air-spinning arrangement June 8, 2004
An air-spinning arrangement has an opening device having a feed device and an opening roller for opening a sliver into individual fibers. A perforated removal roller receives the opened fibers from the opening roller in the circumferential direction. A conveyor belt conveys the fiber
6226838 Device for opening slivers May 8, 2001
A device for opening slivers (4) for feeding an OE spinning device (3), comprising a sliver feed device defining a sliver clamping position (7), a rotating opening roller (8) having a circumference with spirally extending combing elements (9, 24) for engaging at the clamping position (7)
6196491 Method and device for winding yarn onto a conical spool body March 6, 2001
In a method for winding a yarn onto a spool body, the conical spool body is driven about a longitudinal axis by a first drive unit. A yarn is guided onto the spool body by a reciprocating yarn guide thereby winding the yarn onto the spool body. A constant yarn winding speed is provided a
5801949 Textile machine with a central control device and local control devices at the work stations September 1, 1998
As an alternative to an expensive bus system commonly utilized in multi-station automatically operating textile machines for exchange of data between a central control device and local control devices at the individual work stations, the present invention provides a central control d
5685137 Fiber guide conduit in an open-end spinning unit November 11, 1997
An open-end spinning unit having a one-piece fiber guide conduit inserted between the opening roller housing and the rotor housing is drawn from a steel tube and embodied as an interchangeable component. The fiber guide conduit can be releasably mounted at one end in the opening roller h
5673548 Sliver feeding devices for open-end spinning frames October 7, 1997
A sliver feeding device for an open-end spinning frame, comprising a sliver draw-in roller and a sliver feed trough pivotable about a supporting shaft for movement toward and away from the draw-in roller. The draw-in roller has an annular sliver conveying collar which defines a sliver ni
5638670 Open-end spinning apparatus June 17, 1997
An open-end spinning apparatus in a spinning machine for continuous spinning of textile fibers includes a spinning rotor having an axis. A cap covers the spinning rotor and is pivotably supported about a pivot axis oriented at right angles to the rotor axis. Delivery and opening devices
5609015 Apparatus for cleaning a rotor revolving in the rotor housing of an open-end spinning unit March 11, 1997
An open-end spinning unit includes a rotor housing and a rotor revolving in the rotor housing and having a fiber collecting groove formed therein defining a groove bottom. An apparatus for cleaning the rotor includes a cleaning device having a scraper to be positioned in a predetermined
5540044 Open-end rotor spinning apparatus July 30, 1996
An open-end spinning apparatus includes a rotor housing. A spinning rotor revolves in the rotor housing. A spinning insert is disposed coaxially to the rotor housing and is rotatably supported relative to the spinning rotor. The spinning insert has a yarn guide channel enabling entrainme
5540043 Rotor spinning apparatus with spinning box dirt separator July 30, 1996
A rotor spinning apparatus includes a support frame stationarily disposed on a frame of a spinning machine. A bearing is disposed on the support frame. A spinning rotor is disposed on the bearing and has a rotor axis and a rotor opening. A rotor housing surrounds the spinning rotor. A li
5499773 Yarn guide rod for a machine producing cross-wound bobbins March 19, 1996
A machine producing cross-wound bobbins or cheeses has a yarn guide rod including axially coupled-together partial rods. Each partial rod includes a tubular abrasion-proof jacket, and a compact bar body being formed essentially of fibers embedded in a plastic matrix and being disposed in
5495991 Apparatus for transporting empty yarn winding tubes and fully wound textile yarn packages to and March 5, 1996
An apparatus for removing fully wound cheese-type textile yarn packages from a textile machine and replacing them with empty yarn winding tubes comprises an endless transport apparatus having a plurality of transport units connected via a traction member. Each transport unit has a freely
5473879 Open-end spinning machine for producing cross-wound bobbins December 12, 1995
An open-end spinning machine embodied as a yarn piecing unit for automatically repairing yarn breaks during bobbin winding and for replacing finished bobbins with empty tubes, and an auxiliary yarn transport arrangement for supplying and removing an auxiliary yarn used for the piecin
5431003 Method and apparatus for changing the sliver cans of an automatic spinning machine July 11, 1995
In a method and apparatus for supplying sliver cans to an automatic spinning machine and removing empty sliver cans from spinning stations of the automatic spinning machine, a can transport carriage to be driven between the automatic spinning machine and a can delivery station or empty
5423177 Apparatus for open-end spinning June 13, 1995
A yarn draw-off nozzle for an open-end spinning station of a rotor spinning machine includes a yarn feed region including a spiral having at least one turn with spirally extending surfaces disposed one above the other being rectilinear with respect to a yarn travel direction. The surface
5391045 Can manipulating device for automatic can exchange February 21, 1995
Sliver-processing textile machines and can exchange stations include a can transport carriage to be moved in a given direction of motion for manipulating sliver cans having upper rims with outer peripheries. A can manipulating device is movable on the can transport carriage above the
5362007 Apparatus for forming a yarn reserve November 8, 1994
A textile machine producing cross-wound bobbins or cheeses includes a number of work stations having a creel with a bobbin changing position for holding a yarn package having an outer surface and an end surface and being disposed on a tube having an end, and a movable servicing device
5284008 Sliver delivery system in textile machines that process sliver February 8, 1994
A textile machine for processing sliver includes a plurality of work stations disposed side by side. Each of the work stations has a respective fixedly assigned parking place. Sliver cans are each disposed on a respective one of the parking places behind one another in at least two r
5168694 Method and apparatus for driving drafting rollers during thread-up December 8, 1992
A spinning machine includes a yarn draw-off apparatus having a pair of rollers including a draw-off roller being continuously rotatable in a draw-off direction and a shiftable contact roller to be pressed against the draw-off roller for clamping a spun yarn in a gap between the rollers
5163201 Method and apparatus for cleaning the measuring chamber of a scanner head of a yarn monitor November 17, 1992
A method for cleaning the measuring chamber of a contactlessly operating scanner head of an apparatus for monitoring yarns on a textile machine includes bringing a cleaning tool formed of an elastic material from a waiting position into an operating position. The cleaning tool is mec
5159804 Method and apparatus for transferring a yarn to a winding station of a textile machine November 3, 1992
A method for transferring a yarn after a yarn break to a normal yarn travel position at a textile machine winding station including making a yarn connection between a yarn supply point and a takeup bobbin and subsequently transferring the yarn to the normal yarn travel position at a
5083421 Cleaning device for a rotor of an open-end spinning machine January 28, 1992
An open-end spinning machine has a rotor with a shaft, an opening and an interior with a fiber slipping surface terminating in a fiber collecting groove in a given plane. A cleaning device for cleaning the interior of the rotor includes an arm. A rotatable shaft connected to the arm is
5035571 Assembly for palletizing cross-wound bobbins July 30, 1991
In an apparatus for setting down cross-wound bobbins into a transport container, preferably onto a pallet, cross-wound bobbins are received at a transfer position with a programmable apparatus, such as a programmable palletizing apparatus. A plurality of the cross-wound bobbins are s
5025911 Method and apparatus for tilting substantially rotationally symmetrical bodies such as cross-wou June 25, 1991
The method and apparatus is used for tilting substantially rotationally symmetrical bodies, such as frustoconical bobbin bodies, from a shell surface thereof onto an end surface thereof. The body is moved in a given transport direction defining leading and trailing end surface of the bod
4998406 Silver can transport carriage March 12, 1991
A can transport carriage for supplying an automatic spinning machine with full cans of sliver includes a rotating turntable having multiple can parking positions at equal radial spacings from the turntable axis and a can manipulating arrangement movable between a can transfer position
4974718 Method and apparatus for transporting yarn packages December 4, 1990
A yarn package transferring apparatus having a slide for sliding yarn packages thereon from a yarn processing machine and a vertical endless belt assembly for raising the packages from the bottom of the slide to a conveyor which carries the packages for delivering to a location for f
4972669 Automatic spinning machine with silver can replacing apparatus November 27, 1990
An automatic sliver can replacement apparatus is combined with an automatic spinning machine for replacing empty sliver cans with full sliver cans. Sliver supporting carriages are guided to travel along the spinning machine with full sliver cans being supported at alternating can locatio
4939895 Spinning machine with can replacement apparatus July 10, 1990
An open end spinning machine and an associated traveling sliver can replacement carriage are provided with cooperating components for automatically replacing empty sliver cans at the spinning positions of the machine with full sliver cans and threading up the sliver for spinning resu
4920739 Method and apparatus for reestablishing the spinning operation May 1, 1990
A method and apparatus for reestablishing the spinning operation at a spinning station of an open end spinning machine after a yarn break or after completion of winding of a full package. A traveling piecing unit responds to signals at a spinning station that indicate that a yarn break
4897993 Cleaning device for open end spinning rotor February 6, 1990
A cleaning device for removing debris from the fiber collection groove of an open end spinning rotor utilizes a holder having a rounded end portion and a scraper component having a tubular foot portion mounted thereabout for pivotal movement with respect thereto. A leaf spring attached t
4891933 Method and apparatus for the rapid reestablishment of operation of a textile spinning machine January 9, 1990
A method and apparatus for reestablishing the spinning operation of an open-end spinning machine following completion of spinning of a full package. The apparatus uses a traveling service unit having a device for forming a yarn reserve on a projecting end of a full package, a device for
4890942 Support disk assembly for the rotor shaft of an open end spinning machine January 2, 1990
A support disk assembly for rotatably mounting alongside a like support disk assembly as a bearing for rotatably supporting a shaft, such as the rotor shaft of an open end spinning machine. The disk assembly includes a pair of disk members each with a respective clamping flange selective
4850543 Reciprocating device for a lifter rod of an open-end spinning machine July 25, 1989
A lifter rod actuates controllable yarn reserve devices of an open-end spinning machine. A reciprocating device for the lifter includes a shaft supported in the frame of the spinning machine and driven at a given angular velocity. A swash plate disposed on the shaft revolves at the g
4843812 Open-end rotor spinning device with improved twist choking member July 4, 1989
In an open-end rotor spinning device having a rotatable spinning rotor and a coaxial yarn withdrawal navel mounted in a rotor cover, a tubular twist choking member is removably mounted rotatably in general airtight relation to the cover at an angle with respect to the rotor axis with a y
4825632 Method and device for monitoring the piecers in an open-end spinning assembly May 2, 1989
A open-end spinning assembly includes a silver insertion device, a fiber separating device, a fiber guide device, a fiber collector for collecting, aligning and imparting a rotational movement onto fibers and subsequently applying the fibers to an open yarn end, and a draw-off device dra
4825631 Method for piecing a thread formed in an open-end spinning device May 2, 1989
A method for piecing a thread formed in an open-end rotary spinning machine to an end of a previously formed thread, wherein spinning fibers are fed to at least one rotating fiber collection surface, the collected spinning fibers are further transported to a thread forming station connec
4777790 Method and apparatus for stopping and subsequently restarting an open end spinning machine October 18, 1988
A method and apparatus for stopping and subsequently restarting an open end spinning machine wherein, upon an electrical power interruption exceeding a predetermined duration, the spinning rotor, sliver feed roller, yarn take-up roller, and yarn winding drum are deactuated, the yarn take
4773211 Arrangement for open-end spinning September 27, 1988
An apparatus for open-end spinning is provided which includes a twisting element for twisting yarn. A yarn withdrawal nozzle is provided downstream from the twisting device in a yarn withdrawal direction. A yarn withdrawal device downstream from the yarn withdrawal nozzle withdraws yarn
4769984 Fiber opening, fiber feeding and yarn withdrawing unit for a spinning station of an open-end rot September 13, 1988
A fiber opening, fiber feeding and yarn withdrawing unit for a spinning station of an open end rotor spinning machine, in which a projection of the fiber feed conduit extends into the rotor behind the fiber slide wall at a close spacing thereto and to an extent greater than the diametric
4763465 Braking device for a rotor shaft of a rotor spinning machine August 16, 1988
A braking device for a rotor shaft of a rotor spinning machine of the type having spaced pairs of rotating bearing support discs. A brake shoe is pivoted for movement upwardly between the bearing support discs and a pair of holddown elements are pivoted for movement downwardly from above
4744210 Method and device for producing a twisted thread from spinning fibers May 17, 1988
A method of producing a twisted thread from spinning fibers by friction spinning includes moving two friction elements of a friction spinning machine in opposite directions defining a spinning wedge therebetween, at least one of the friction elements having a perforated wall, feeding
4736898 Means for positioning the end of yarn on a cross-wound bobbin April 12, 1988
Means for positioning the end of yarn on a cross-wound bobbin on a textile machine. The machine has a traveling service mechanism that services the bobbins individually at winding heads of the machine. A yarn end take-in device in the form of a suction tube with a concave surface facing
4729709 Device for transferring crosswound coils from a crosswound coil delivery location of a textile m March 8, 1988
A device for transferring crosswound coils from a crosswound-coil delivery location of a textile machine into a box-shaped conveyance includes a flat conveyor for collecting crosswound coils in mutually adjacent rows, and grippers for unloading the collected crosswound coils, the flat co
4724665 Method of piecing yarn in the operation of an open end rotor spinning machine February 16, 1988
A method of piecing yarn in the operation of an open end rotor spinning machine that includes applying the suction that picks up the yarn end from the bobbin package for an extended predetermined length of time longer than the optimal minimum length for a normal piecing operation, with t
4711082 Method and apparatus for starting up a friction spinning assembly December 8, 1987
The method for starting up a friction spinning assembly is used in a friction spinning assembly including: friction surfaces movable in opposite directions forming a spinning wedge, at least one of the friction surfaces being a perforated drum having a suction device with a suction n
4702427 Coil producing machine October 27, 1987
Coil producing machine with a mobile exchanging device for replacing full wound coils with empty coil cores or partly wound coils, and with a stationary loading magazine for replenishing the empty coil cores or partly wound coils required by the exchanging device, comprising a mobile
4693070 Thread joining apparatus for an open end spinning machine September 15, 1987
An automatic thread joining apparatus for an open end spinning machine includes a device for producing a tension-proof thread connection forming a thread joint, a device for removing the thread joint, a controllable thread storage device for intermediate storage of a length of thread spu
4672802 Method and device for starting the spinning of a thread in an OE-spinning device June 16, 1987
A method for starting the spinning of a thread in an OE-spinning device includes exposing a thread end to a gas current before starting spinning, subsequently conducting the thread end to a spinning element, collecting spinning fibers at the spinning element, and subsequently applying th
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