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| Number | Title | Issue Date |
| 7310856 | Apparatus at a draw frame for supplying fibre slivers to a drawing mechanism comprising at least two pairs of rollers A draw frame has a drawing mechanism comprising at least two pairs of rollers to which the fibre slivers are fed by a plurality of supply rollers mounted on a feed table. The fibre slivers—seen in a top view—run next to one another and towards one another latera... | 12/25/2007 |
| 7282876 | System for driving brushless DC motor and method of driving same A brushless DC motor drive system includes a pole-position detector for detecting respective pole positions of permanent magnets of a rotor of a brushless DC motor. A present speed computing unit computes a present speed of the brushless DC motor on the basis of an ... | 10/16/2007 |
| 7096542 | Method and apparatus at a draw frame for fibre slivers, for adjusting the nip line spacing of a drawing mechanism In a method, at a draw frame for fibre slivers, of adjusting the nip line spacing of a drawing mechanism, which has at least two drawing mechanism roller combinations, of which at least one is so mounted that it can be adjusted, each drawing mechanism roller combina... | 08/29/2006 |
| 7043894 | Air spinning frame with reluctance motors For an air spinning frame, reluctance motors are provided for each spinning place to drive the pairs of rollers of the drafting unit, the drawing-off means, and the friction roller. Thereby, for the run-up of a spinning place, e.g., after a thread break, a specific ... | 05/16/2006 |
| 6334238 | Method of operating a draw unit of a spinning preparation machine A method of operating a sliver draw unit of a spinning preparation machine includes the following steps: applying, by incremental rotary displacement sensors, signals to an electronic control and regulating device; determining from the signals the angular... | 01/01/2002 |
| 6158090 | Device and method for collection of the web, and drawing of the latter into the output unit of a carder Method and device for collection of the web, and drawing of the latter into the output unit of a carder, in which the drawing is subdivided for a first part between the compactor unit for the web and the first pair of drawing rollers for the strip, and a ... | 12/12/2000 |
| 6154931 | Device for loading the upper drawing rolls in a draw frame and method A method of operating a draw frame including a plurality of serially arranged roll pairs each defining a nip through which a fiber sliver passes from roll pair to roll pair. Each roll pair is formed of an upper roll and a lower roll. A pressing arm carrie... | 12/05/2000 |
| 6134752 | Loading mechanism for the upper rolls of a drafting mechanism A pneumatically energized loading mechanism for a drafting device is proposed for loading the upper rolls of the device. This mechanism possesses pneumatic cylinders which subject the upper rolls to a force, which acts from a holder plate (4) for the secu... | 10/24/2000 |
| 6088882 | Regulated sliver drawing unit having at least one drawing field and method of regulation A regulated drawing unit for drawing fiber material includes an inlet through which the fiber material passes before being drafted; an outlet through which the fiber material passes after being drafted; a first arrangement defining a drawing field includi... | 07/18/2000 |
| 5953793 | Roll pressing device for a sliver drawing frame A textile sliver drawing unit includes a roller assembly for advancing and drawing a sliver running therethrough. The roller assembly includes an upper roll and a lower roll cooperating with the upper roll. The drawing unit further has a pressing device f... | 09/21/1999 |
| 5950413 | Spinning apparatus, method of producing yarns, and resulting yarns A spinning apparatus is disclosed according to the invention having a drafting zone comprising at least four roll pairs for drawing a sliver comprising one or more types of staple fibers. The rolls pairs include a back roll pair, intermediate roll pairs a... | 09/14/1999 |
| 5943740 | Combing machine with an autoleveller drafting arrangement The invention relates to an apparatus for forming a sliver with a first regulated drafting arrangement (10) with several pairs of rollers (11, 12, 14) for the regulated drafting of the fibre mass (8) supplied to the drafting arrangement, with the fibre fl... | 08/31/1999 |
| 5839165 | Textile machine In order to control cotton fibre fluctuation between the compactor device (5) and the drafting unit (6) within a card (1A), the drafting unit (6) can be moved (either along a rectilinear trajectory and/or along a circular trajectory) between a first posit... | 11/24/1998 |
| 5809762 | Draw frame with adjustment device for the drafting rollers A spinning plant machine has a basic drafting equipment body to receive drafting equipment which has at least two pairs of rollers, whereby each pair is constituted by an upper roller and a lower roller. A device for the adjustment of the distance between... | 09/22/1998 |
| 5774943 | Tongue and groove drafting roller autoleveling system for automated textile drafting system An automated drafting system particularly suitable for drafting textile strands of sliver is provided. The automated drafting system includes a synchronous drive sliver drafting roller system utilizing toothed gears in the preferred embodiment operatively... | 07/07/1998 |
| 5761772 | Securing and pressuring system for drafting rollers for automated textile drafting system An automated drafting system particularly suitable for drafting textile strands of sliver is provided. The automated drafting system includes a synchronous drive sliver drafting roller system utilizing toothed gears in the preferred embodiment operatively... | 06/09/1998 |
| 5619773 | Draw frame The instant invention relates to a process for the adjustment of a drafting unit of a draw frame. The drafting unit is equipped with drafting rollers (5, 5') supported in a pillow block (4, 4'). The pillow block (4, 4') is installed on a table (10). The h... | 04/15/1997 |
| 5535488 | Carding and drawing system for spinning process A system for spinning is provided where a pair of carding machines are arranged side by side. A first drawn sliver is produced by feeding two carded slivers simultaneously into a sliver collector and a drafting system. The drafting system includes a pair ... | 07/16/1996 |
| 5535481 | Textile machine with a drafting arrangement including rotational position sensor In a textile machine with a drafting arrangement and textile spindles, the spindles are driven by an electric main drive. The drafting arrangement cylinders are coupled so that their speed is a given proportion of the speed of the main drive. The coupling... | 07/16/1996 |
| 5488758 | Sliver piecing method The present invention relates to a sliver piecing method wherein sliver piecing is performed with yarn incorporated in an overlapped portion of sliver ends and since yarn having a suitable thickness is incorporated in an overlapped portion of sliver ends ... | 02/06/1996 |
| 5477591 | Bearing device for drafting rollers having pressure relieving means A bearing device for use in textile drafting roller pairs for supporting the top roller of a drafting roller pair. The bearing device finds particular use with magnetic drafting rollers, but can be used with other types of roller configurations. The beari... | 12/26/1995 |
| 5438733 | Cotton drafting frame A drafting frame includes first and second drafting roll pairs being spaced from one another consecutively in the direction of sliver advance and each being formed of two cooperating drafting rolls; first and second drive motors; a first torque transmitti... | 08/08/1995 |
| 5177835 | Method and apparatus for piecing slivers First and second slivers (6, 5) are pieced together by the following steps: overlapping a trailing portion (6a) of a first sliver and a leading portion (5a) of a second sliver; introducing the overlapped portion (5a, 6a) into a drafting zone provided betw... | 01/12/1993 |
| 5161284 | Sliver drafting apparatus with rpm sensing and adjusting A sliver drafting apparatus has a pre-drafting mechanism which simultaneously receives a plurality of running slivers, and includes first and second pairs of drafting rolls between which the slivers pass. The apparatus further has a gathering element disp... | 11/10/1992 |
| 5157810 | Apparatus for measuring the mass of a sliver For use in a spinning mill, the apparatus is used to even up the mass of sliver being conveyed, for manufacturing perfect roving yarns. The evening up takes place by measuring the thickness of the sliver after it has been compressed to a certain volume in... | 10/27/1992 |
| 5022123 | Draft mechanism having roller pairs connected to draft ratio controlled motors by timing belts A draft mechanism for use on a spinning machine includes a series of roller pairs each including a bottom roller and a top roller. The roller pairs are connected to output shafts of motors through the use of timing belts. The motors are electrically contr... | 06/11/1991 |
| 5010624 | Spinning machine having several spinning points A spinning machine having several spinning points is disclosed having at least one drafting unit assigned to each spinning point. Each drafting unit has several top rollers and several drivable bottom rollers. At least the bottom rollers which are assigne... | 04/30/1991 |
| 4969238 | Apparatus for selectively securing a carrier member of a textile drafting apparatus A textile drafting apparatus of the type having upper and lower drafting rollers forming a plurality of roller nips for travel therebetween of a textile strand includes a carrier member for adjustably supporting the upper drafting rollers. The textile dra... | 11/13/1990 |
| 4525897 | Filament drawing frame with variable roller-pair spacing A filament drawing apparatus has a support, at least two pairs of rollers spaced apart on the support in a travel direction so that a filament to be drawn passes in the direction between the rollers of both pairs, and a drive having at least two output sh... | 07/02/1985 |
