| Patents for D01H 4 - Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques (4,993) |
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| 05/29/1990 | US4928477 Steel, boron, iron, nickel, wear resistance |
| 05/23/1990 | EP0369315A2 Tooth profile for card clothing |
| 05/22/1990 | US4926627 Device to feed and open a fiber sliver on an open-end spinning device |
| 05/16/1990 | CN1042199A Method and apparatus for thread joining in open end spinning apparatus |
| 05/15/1990 | US4925321 Dynamic pressure air bearing unit |
| 05/09/1990 | EP0196312B1 Spinning of yarn |
| 05/01/1990 | US4920739 Method and apparatus for reestablishing the spinning operation |
| 04/24/1990 | US4918913 Method of, and device for, performing a start spinning operation for spinning of a yarn in a friction spinning apparatus |
| 04/19/1990 | DE3835037A1 Open-end spinning rotor |
| 04/18/1990 | EP0363649A1 Friction-spinning apparatus |
| 04/18/1990 | CN1041408A Device for fibre doffing from stripping roller of open-end spinning unit |
| 04/18/1990 | CN1007627B Method and device for rejoining thread in open-end friction-spinning device |
| 04/18/1990 | CN1007626B Method and apparatus for preparing cut thread and for restarting open end spinning apparatus |
| 04/17/1990 | US4916891 Open-end rotor spinning machine |
| 04/17/1990 | US4916777 Ring mounting for opening rollers of spinning machines |
| 04/11/1990 | EP0362899A1 Piecing method and device for an open-end spinning machine |
| 04/03/1990 | USRE33190 Attachment device for an opening roller and a method for using the attachment device |
| 03/29/1990 | DE3929230A1 Fibre removal device - used for output roll of open end spinning machine |
| 03/29/1990 | DE3831749A1 Open-end rotor-spinning machine and process for the production of cladded-core yarn |
| 03/28/1990 | EP0360023A1 Apparatus consisting of an open-end spinning machine and a can exchanging device |
| 03/28/1990 | CN1007363B Improved method and apparatus for spinning yarn |
| 03/21/1990 | EP0358722A1 Needle ring with needles for the combing cylinders of an open-end spinning frame. |
| 03/15/1990 | DE3927684A1 Open-end spinner fibre loosening |
| 03/14/1990 | CN1040405A Spinning unit of an open-end spinning machine |
| 03/07/1990 | EP0357569A1 A stripping roller for drawing fibres to be fed to so-called "open-end" spinners, with inclined drawing teeth alternated with discharging teeth |
| 03/01/1990 | DE3926664A1 Open-end spinning rotor magnetising |
| 03/01/1990 | DE3827345A1 Servicing appliance movable along a spinning machine and having means for locating a thread of a bobbin |
| 02/28/1990 | EP0355291A1 Method for producing opening cylinder rings |
| 02/28/1990 | CN1006989B Method and device for servicing work stations of spinning or twisting machines |
| 02/27/1990 | US4903474 Arrangement for open-end rotor spinning |
| 02/27/1990 | US4903385 Method for making card roller rings |
| 02/22/1990 | WO1990001576A1 Support assembly for the rotor of an open end yarn spinning apparatus |
| 02/22/1990 | WO1990001575A1 Spinning method of the open end type, and device for implementing such method |
| 02/20/1990 | US4901519 Method and apparatus for separating sliver into individual fibers in a sliver opening device |
| 02/20/1990 | US4901518 Open end friction spinning device for production of a yarn or the like |
| 02/15/1990 | DE3922877A1 Spinning unit of open=end spinning machine - with eccentric current rectifier between separator wall and wall with feed duct opening |
| 02/13/1990 | US4899528 Control device to drive and stop an open-end spinning element |
| 02/08/1990 | DE3826851A1 Supporting disc for supporting-disc mountings of open-end spinning rotors |
| 02/07/1990 | EP0353429A1 Open-end spinning device |
| 02/07/1990 | EP0353236A1 Control device for starting and stopping an open-end spinning element. |
| 02/06/1990 | US4897993 Cleaning device for open end spinning rotor |
| 02/01/1990 | DE3840943A1 Mounting and drive of spinning rotors |
| 02/01/1990 | DE3824911A1 Needle clothing |
| 01/31/1990 | EP0352539A1 Device and method for storing a yarn |
| 01/31/1990 | EP0352460A1 Device with an opening cylinder for spinning machines |
| 01/30/1990 | US4896976 Supporting disk for a supporting disk bearing |
| 01/23/1990 | US4894983 Opening roller for an open-end spinning arrangement |
| 01/18/1990 | DE3823881A1 Method and device for checking the friction effect of a friction-spinning unit |
| 01/18/1990 | DE3822925A1 Process and apparatus for producing a twisted thread in a friction-spinning unit |
| 01/17/1990 | CN1006471B Method and device for spinning fabres |
| 01/16/1990 | US4893947 Spinning machine rotor shaft disk |
| 01/16/1990 | US4893946 Roller for spinning frame |
| 01/16/1990 | US4893462 Open-end spinning machine and process for the start-up of such a device |
| 01/16/1990 | US4893461 Process and device for piecing with a spinning device operating with a pneumatic twisting unit |
| 01/09/1990 | US4892422 Support assembly for the rotor of an open end yarn spinning apparatus |
| 01/09/1990 | US4891933 Method and apparatus for the rapid reestablishment of operation of a textile spinning machine |
| 01/04/1990 | DE3822016A1 Spindles with an individual electromotive drive for a spinning machine |
| 01/03/1990 | EP0348678A1 Method to engage and insert sliver into free fibre spinning units and device which employs the method |
| 01/02/1990 | US4890942 Support disk assembly for the rotor shaft of an open end spinning machine |
| 01/02/1990 | US4890451 Method for loosening and unravelling a textile yarn |
| 12/28/1989 | DE3920813A1 Method for the spinning of opened fibres of linear textile structure on the principle of discontinuous fibres and apparatus for carrying out the method |
| 12/28/1989 | DE3821118A1 Method and device for piecing a thread on a spinning unit for pneumatic spinning |
| 12/27/1989 | EP0348179A1 Improvements to fibre opening devices |
| 12/27/1989 | EP0348178A1 Improvements to fibre opening devices |
| 12/26/1989 | US4888943 Apparatus for loosening and unravelling a yarn |
| 12/21/1989 | DE3918940A1 Servicing appliance for yarn-piecing or bobbin-changing on open-end rotor-spinning machines |
| 12/20/1989 | EP0346376A1 Process and device for joining a thread to a spinning device with pneumatic twister. |
| 12/13/1989 | EP0266343B1 Process and device for joining threads on a friction spinning device |
| 12/12/1989 | US4885906 Device for automatically spinning-in yarn |
| 12/06/1989 | EP0344233A1 Twister for spinning fibres into yarn |
| 12/05/1989 | US4884395 Fibre opening devices |
| 12/05/1989 | US4884394 Friction spinning unit and method of operating same |
| 11/28/1989 | US4882812 Opening roller for an opening device of an open-end spinning machine |
| 11/23/1989 | EP0342370A1 Device for feeding and opening a sliver at an open-end spinning machine |
| 11/23/1989 | DE3844563A1 Magnetic bearing having permanent magnets for absorbing the radial bearing forces |
| 11/21/1989 | US4882015 Method for manufacturing a perforated body, friction spinning means using the perforated body and a friction spinning device using the friction spinning means |
| 11/16/1989 | WO1989010990A1 Process and device for starting spinning in an open-end spinning device |
| 11/16/1989 | DE3815182A1 Spinning rotor |
| 11/16/1989 | DE3814966A1 Verfahren und vorrichtung zum anspinnen einer offenend-spinnvorrichtung Method and device for piecing in an open-end spinning device |
| 11/15/1989 | EP0341405A1 Method and apparatus for improving a yarn produced in the rotor of an open-end spinning machine |
| 11/14/1989 | US4879873 Spinning unit in open-end spinning machine |
| 11/09/1989 | DE3814513A1 Mounting for an electromotively driven textile spindle |
| 11/08/1989 | EP0258248B1 Process and device for piecing threads on an open-end friction spinning device |
| 10/31/1989 | US4876848 Fiber opening device having fiber clearing suction tube |
| 10/24/1989 | US4875334 Spindle construction for mounting arrangements for spinning machine rotors |
| 10/18/1989 | EP0337339A1 System for controlling a movement |
| 10/18/1989 | EP0337107A1 Spinning rotor |
| 10/18/1989 | EP0337014A1 Roller for processing fibre masses |
| 10/11/1989 | EP0336210A2 Method for processing fibres into yarn |
| 10/04/1989 | EP0335137A1 Automatic piecing of combination open end rotor spun yarn |
| 09/27/1989 | EP0334101A1 Opening unit for an open-end spinning machine |
| 09/26/1989 | US4869060 Fiber opening devices |
| 09/26/1989 | US4868952 Opening cylinder |
| 09/20/1989 | EP0332979A2 Magnetic support with permanent magnets for absorption of the radial bearing stresses |
| 09/19/1989 | US4866927 Process for producing an open-end spinning rotor |
| 09/19/1989 | US4866926 Fibre loosening device for a spinning unit of spinning machine |
| 09/19/1989 | US4866925 Arrangement for open-end rotor spinning having a spinning rotor |
| 09/05/1989 | US4862688 Opening cylinder for open-end spinning machine |
| 08/30/1989 | EP0329947A1 Method and apparatus for winding cross-wound packages |
| 08/30/1989 | CN1035143A Method and equipment for free end spinning |