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Class 19/236 - Drafting


Subclass of Class 19 - Textiles: fiber preparation
Definition: Methods or apparatus wherein the working comprises feeding
No. of patents: 121
Last issue date: 11/16/2010


1        
NumberTitleIssue Date
7832059Device on a spinning preparation machine, for example a draw frame, carding machine, combing machine or the like, having a drafting system
In a device on a spinning preparation machine, having a drafting system for drawing at least one fibre silver with drafting system rollers, forming drafting roller pairs, having power transmission means for driving the drafting system rollers and having a drive moto...
11/16/2010
7627932Apparatus for producing a web of fibre material
In an apparatus for producing a fiber web, for example of cotton, synthetic fibers or the like, a web-former and/or a web-bonder is/are arranged downstream of a flock feeder device and the fiber material is conveyable. In order to make it possible by simple means to...
12/08/2009
7441395Drafting arrangement for a spinning machine
A drafting arrangement for a spinning machine, comprising at least one pair of feed rollers, one pair of central rollers and a pair of withdrawal rollers, wherein the lower rollers of the drafting arrangement are configured as roller segments, which are rotated by s...
10/28/2008
7353670Tile sponge washing and conditioning apparatus
A tile sponge washing and conditioning apparatus is disclosed for washing in water a sponge used during a ceramic tile laying operation. The apparatus includes a frame for disposition thereof within the water. The frame includes a first wall and a second wall which ...
04/08/2008
7331086Arrangement at a draw frame comprising a suction device for removing dust, fibre dust and the like
In an arrangement at a draw frame including a suction device for removing dust, fiber dust and the like, in which a funnel and a pair of draw-off rollers are present at the outlet of the draw frame immediately after a web-guiding element, the suction removal device ...
02/19/2008
7308735Roller pair for stretching strips of filter material
Roller pair for tensioning strands of filter material in the manufacture of cigarette filters with a first roller made of metal which is rotatably driven by a drive and a second roller of which the surface consists of a resilient material, the two rollers being moun...
12/18/2007
7287367Closing member for compressed air carrying polygonal tubes on a yarn spinning machine
A closing member 1 for compressed air carrying polygonal tubes, which is inserted in a sealing manner into the polygonal tube at one end thereof. The closing member 1 includes an elastic sealing element 3, and the closing member is constructed s...
10/30/2007
7251863Draw frame for textile fibre slivers having a drawing system with top rollers that can be loaded and relieved of load
A draw frame for textile fiber slivers has a drawing system of successively arranged assemblies of rollers comprising a bottom and a top roller, in which, during operation, the top rollers are pressed against the bottom rollers by weighted pressing devices. When ope...
08/07/2007
7174606Pressure cylinder for a drafting arrangement of a textile machine
A pressure cylinder including a cylinder housing having one end including an opening. A piston is axially displaceable within the cylinder housing. A piston rod is coupled to the piston and extends through the opening at the one end of the cylinder. A cylinder base ...
02/13/2007
7123024Device comprising a microwave resonator for or on a spinner preparation machine
A device is disclosed, comprising a microwave resonator, for or on a spinner preparation machine with drawing gear (2) for drawing fiber material (FB), in particular a carding, drawing or combing machine, whereby the resonator (30) is embodied for conn...
10/17/2006
7076840Draft device
It is an object of the present invention to provide a draft device DR including draft rollers which, when a draft device composed of a plurality of draft roller pairs is used, can reduce the adverse effect of associated air currents resulting from the rollers rotati...
07/18/2006
7051405Device on a draw frame for textile slivers, having roller pairs arranged one after the other and a roller-cleaning device
In a device on a draw frame for textile slivers, having roller pairs arranged one after the other and a cleaning device, for example a cleaning lip, cleaning rod, for each upper roller, in which the loading device for each upper roller has at least two presser eleme...
05/30/2006
6971145Apparatus at a draw frame having a drawing mechanism for the doubling and drafting of fibre slivers
A drawing mechanism for the doubling and drafting of fibre slivers, has a drawing mechanism frame for accommodating the drawing mechanism, which has at least two pairs of rollers each comprising an upper roller, and a lower roller, and has means for adjusting the sp...
12/06/2005
6880207Method and device to evaluate signals of a sensor to monitor a textile machine
A method and device for the evaluation of signals of a sensor, in particular of a microwave sensor, is proposed for the detection of the thickness, mass, density and/or moisture of at least one fiber sliver moving relative to the sensor on drafting equipment. A high...
04/19/2005
6874204Apparatus for the optimizing of the regulation adjustment of a spinning machine as well as a procedure corresponding thereto
The invention concerns an apparatus for the optimization of the regulation adjustment of a machine in spinning preparation, in particular a regulated draw frame, a carding machine, or a combing machine, to which one or more fiber bands are continually fed. The appar...
04/05/2005
6829811Apparatus at a draw frame having a drawing mechanism for the doubling and drafting of fibre slivers, having an adjusting device
A drawing mechanism for the doubling and drafting of fiber slivers has a drawing mechanism frame for accommodating the drawing mechanism, which has at least two pairs of rollers each comprising an upper roller and a lower roller and has means for adjusting the spaci...
12/14/2004
6640392Method and apparatus for determining the point of regulation for a drafting unit in a fiber processing machine
An apparatus for determining a point of regulation in a drafting unit includes a sensor for generating signals as a function of change in a quality-representing magnitude of the fiber material running through the drafting unit; a control device receiving ...
11/04/2003
6604261Drafting frame for a spinning machine
Downstream of the last roller pair of a drafting frame for a spinning machine, the roving is condensed in a fiber-bundling zone having a belt with perforations to which suction is applied. Another belt converges toward the belt with the perforations and e...
08/12/2003
6568041Tube with suction slots for a unit for condensing a bundle of textile fibres drafted in a spinning machine
A condensing unit for condensing a bundle of textile fibers comprises a fixed tube of circular cross-section, which is common to several spinning stations located side by side, is connected to a suction source, and has a suction slot in each station. Filt...
05/27/2003
6568042Unit for condensing a bundle of textile fibres drafted in a spinning machine
A fixed tube of circular cross-section, which is common to several spinning stations located side by side, is connected to a suction source and has, in each station, a suction slot which is located on the path of the bundle of fibers to be condensed and i...
05/27/2003
6568040Unit for condensing a bundle of textile fibres drafted in a spinning machine
A fixed tube of circular cross-section, which is common to several-spinning stations located side by side, is connected to a suction source and has, in each station, a suction slot which is located on the path of the bundle of fibres and is elongate along...
05/27/2003
6543092Method of determining setting values for a preliminary draft in a regulated draw frame
A method of determining an optimal preliminary draft of sliver running consecutively through a preliminary drafting field and a principal drafting field. The method includes the following steps: setting various levels for the preliminary draft; measuring ...
04/08/2003
6543093Apparatus for detecting displacements and/or presence of sliver in a fiber processing machine
A fiber processing machine includes an arrangement for forwarding a sliver through a space in an advancing direction; an arrangement for continuously displacing the sliver in the space transversely to the advancing direction while the sliver is forwarded ...
04/08/2003
6477827Air-permeable transport belt for transporting a fiber strand to be condensed and method of making same
In order to transport a fiber strand to be pneumatically condensed over a suction slit of a condensing zone of a spinning machine, a transport belt is provided which comprises, at least in the effective area of the suction slit, a porous area. The porous ...
11/12/2002
6453513Apparatus for introducing sliver into a textile processing machine
An apparatus for introducing a plurality of slivers simultaneously to a sliver processing machine includes an arrangement for withdrawing the slivers from coiler cans; a creel; a plurality of supply rolls mounted on the creel and contacting the slivers; a...
09/24/2002
6425164Transport belt for transporting a fiber strand to be condensed and method of making same
An air-permeable transport belt, drivable by a drive roller, is provided for transporting a fiber strand to be condensed over a sliding surface of a spinning machine condensing zone which includes a suction slit. The transport belt has at least one area a...
07/30/2002
6393667Machine with a drafting arrangement for processing textile material
A machine (28, 201, K, 400) for processing textile material with at least one sliver-forming device (209, 41) and a coiler (42, KA) is provided with a drafting arrangement (2, 110, 213) in such a way that at least the coiler (42, KA) is formed by a subass...
05/28/2002
6336259Apparatus and method for condensing a drafted fiber strand
A condensing zone for condensing a drafted fiber strand is arranged downstream of the front roller pair of a drafting apparatus of a ring spinning machine. The condensing zone includes a stationary sliding surface having a suction slit, over which the fib...
01/08/2002
6334238Method 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
6332245Apparatus of a spinning machine for condensing a fibre strand
A condensing zone for condensing a drafted, still twist-free fiber strand is arranged downstream of a front roller pair of a drafting unit of a spinning machine. An air-permeable transport belt transports the fiber strand through the condensing zone. The ...
12/25/2001
6332244Method and apparatus for drafting and condensing a roving, particularly an a ring spinning frame
A device for drafting and condensing of a roving before its transformation into yarn comprises a drafting unit which confers a predetermined draft on the roving and a condensing unit by the effect of suction on the fibres of the roving through a movable f...
12/25/2001
6308878Transporting belt for transporting a fiber strand to be condensed and method of making same
A transport belt for transporting a fiber strand to be condensed through a condensing zone of a ring spinning machine is provided with a perforation for an air suction stream which suctions the fiber strand. In at least one fiber strand transporting area,...
10/30/2001
6298523Apparatus for condensing a fiber strand and a method of making yarn using same
An apparatus for condensing a fiber strand, which travels through a condensing zone in an untwisted state after leaving a drafting unit, comprises an air-permeable transport belt, which transports the fiber strand over a sliding surface comprising a sucti...
10/09/2001
6286188Regulated drawing frame
The present invention concerns a drafting system (30) with a drive (M2) provided with a regulating device (M3, 33) for levelling out mass variations in a fiber mass (6) supplied to the drafting system by a supply source (1). The mass variations are detect...
09/11/2001
6282755Process and textile machine for feeding fiber slivers to drafting equipment
In a process for feeding of textile fibers supplied from a point of delivery of a textile machine to a drafting equipment which continues to process the fibers, the fibers supplied from the point of delivery are formed into a fiber sliver. They are then c...
09/04/2001
6250060Method of producing improved knit fabrics from blended fibers
A high efficiency method of producing a high quality knit fabricis diclosed. The method includes the steps of drafting a blended sliver of cotton fibers and polyester fibers in a four roll draffing zone in which the nip to nip spacing in the break zone is...
06/26/2001
6185790Arrangement for condensing a drafted fiber strand
A condensing zone for condensing a drafted twist-free fiber strand is arranged downstream of a drafting arrangement of a ring spinning machine. The condensing zone includes a stationary sliding surface having a suction slit extending essentially in a fibe...
02/13/2001
6182333Drafting system spinning roller for producing thread
The spinning cylinder for drafting systems comprises a cylindrical roll body (1) forming a sliding bearing together with a sliding bearing bush (3) which is slid on and axially fixed. The sliding bearing bush (3) includes a cylindrical socket (4) made of ...
02/06/2001
6170125Apparatus for feeding slivers to a draw frame
A sliver supplying apparatus for simultaneously feeding a plurality of slivers to a draw frame includes an intake table; a plurality of supply rolls supported in a series by the intake table for guiding the slivers from the coiler cans to the draw frame; ...
01/09/2001
6170126Transport belt for transporting a fiber strand to be condensed
A transport belt of a ring spinning machine for transporting a fiber strand to be condensed over a suction slit of a condensing zone is provided with a perforation or perforations for a suction air stream which suctions the fiber strand. The transport bel...
01/09/2001
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