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Match Document Document Title
7836558 Device on a drafting system of a draw frame for textile fibre slivers  
In a device on a drafting system for textile fiber slivers with weighting of the upper rolls of the drafting system which comprises roll pairs arranged one behind the other, the pairs having lower...
7331086 Arrangement 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...
7325390 Twin unit comprising two drafting devices for a spinning machine  
A twin unit has two drafting devices for drafting fiber strands and is applicable in a spinning machine. The twin unit includes a common housing for the two drivable drafting devices, whereby the...
6564431 Silver deflecting device positioned between two drafting roll pairs of a silver drafting unit  
A fiber processing machine includes a sliver drafting unit which has first and second adjoining roll assemblies each defining a nip through which a sliver runs in a sliver advancing direction. The...
6332246 Locating frame for units for drawing and compacting bundles of textile fibers  
A locating frame for drawing and compacting units of a pair of adjacent spinning stations in a spinning machine where each drawing unit has a pressure roller which supplies the bundle of fibers to...
6237196 Top roller of a drafting apparatus  
The shaft 13 of a top roller T of a drafting device D is segmented into sections. The bearing holding section 13e includes a large diameter section at the base end and small diameter section 13e'...
6209305 Driving and supporting device for transporting roller for textile fibers  
A driving and supporting device for a transporting roller for textile fibers formed as a drawing roller in an open end spinning machine, the device has an electric motor for driving a transporting...
6182333 Drafting system spinning roller for producing thread  
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...
6032336 Top roller for a draft apparatus  
When a roller cylinder of a top roller is installed, it may collide against an outer bearing and damage it. Since the roller cylinder is loosened, when drafting is executed at a high speed, the...
6012277 Yarn spinning from fibre sub-assemblies with variation of their paths of travel, relative positions or twist levels  
5991977 Drawing unit for a fiber processing machine particularly a regulated drawing frame for processing cotton  
A drawing unit for drawing sliver includes first and second drawing roll pairs being spaced from one another in the direction of sliver advance. One drawing roll in each drawing roll pair is a...
5799374 Spinning machine for the doubling or stretching of fiber bands  
A spinning machine for the doubling or stretching of fiber bands with a rolling section having lower rolls which are secured in journal blocks, and wherein the upper rolls may be also secured on...
5796220 Synchronous drive 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...
5608948 Compression rod having rectangular shape  
The instant invention relates to a compression bar such as is used in the main drafting zone of drafting rollers of the textile industry. The invention considerably reduces deposits on a...
5553357 High bulky wool spun yarn and a drafting apparatus for preparing the yarn  
A high bulky wool spun yarn for knitting or weaving, which has high bulky properties formed by bulky loops in the bundle of the yarn, and a drafting system for making the same is provided. The...
5528799 Thread-guiding component with improved surface  
Described are thread-guiding components for apparatus for producing, treating and processing fiber materials, having a surface which comes into contact with the fiber materials defined by certain...
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...
5412847 Loose-boss top roller  
A loose-boss top roller includes an arbor inserted into a loose-boss on which a hard rubber material is fixed, needle bearings inserted between the loose-boss and the arbor in both ends of the...
5380118 Shaft coupling for bottom cylinders of drafting units on spinning machines  
In the case of a shaft coupling for bottom cylinders of drafting units on spinning machines, a shaft is provided on its end with an area of a reduced diameter which engages in a longitudinal bore...
5048157 Drafting arrangement for spinning machines  
The drafting arrangement is provided with a guide element between the front roller pair and the operative unit formed by an apron and a roller. The guide element is disposed for guiding a length of...
5038553 Drafting arrangement for false twist spinning  
The delivery roller pair are made with continuous uninterrupted cylindrical surfaces so that air flows on the input side converge in the nip and then flow from the central zone thereof to opposite...
5035027 Means for manipulating a drafting roller carrier of a textile machine  
An apparatus for manipulating the drafting roller carrier of a textile machine includes a handle for selectively maintaining the drafting roller carrier in an operative position in which the upper...
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...
5016323 High-draft drafting device for a flyerless spinning process  
The drawframe has a preliminary drafting zone with a draft of from 4 to 8 as well as a main drafting zone with a draft of at least 30. In addition, a deflecting rod is disposed in the preliminary...
5012557 Drafting unit with detachably mounted support components for bottom rollers  
A drafting unit for a spinning machine has several stub shaft supported bottom rollers which are each assigned to a spinning point and which are in driving connection with drive shafts extending...
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...
5010494 Method and apparatus for detecting mechanical roll imperfections in a roller drafting system  
A drawframe is disclosed which has a plurality of sets of draw rolls and includes a provision for the early detection of imperfections in rotating elements in the drawframe. The separation of the...
4999884 Drawing mechanism for drawing textile fibers  
The drawing mechanism for drawing textile fibers includes an input nip between a first pressure roller (6) and a first drafting roller (1), a first intermediate nip between a second pressure roller...
4991263 Spinning machine drafting unit arrangement  
In the case of a spinning machine having a plurality of drafting units, which each contain several top rollers and bottom rollers, and in which the bottom rollers are each constructed as roller...
4987734 Ring spinning machine  
The ring spinning machine has separate drives for the spindles, the delivery rollers and the other rollers of the drafting device. The inverters of the corresponding drive motors are fed from a...
4965920 Fluid heated roll apparatus and method  
An apparatus and method are provided wherein a cavity defined by a rotating hollow member, such as a draw roll in a fiber processing system, is supplied with a hot fluid so as to heat the exterior...
4894886 Blended yarn producing device  
A blended yarn producing device includes a draft device having back rollers, middle rollers and front rollers and a twisting device succeeding the draft device, which is constituted such that a...
4878268 Device for drawing roves or slivers of fibers on a spinning machine  
This invention relates to a device for drawing roves or slivers of fibers on a spinning machine with a view to converting this material into spun yarns, of the type incorporating pendulous arms,...
4845813 Roller drafter, process of use, and products produced thereby  
Disclosed is a new roller drafter for drafting and aligning fibers in a strand or strip of card web e.g. for producing filament-wrapped yarn. The improvements include, increasing (in the direction...
4837908 Roll assembly for fiber drafting machine  
A roll assembly (50) for a fiber drafting machine is positioned on a spindle (51). First and second locking collars (52), (53) on spindle (51) define a space within which is positioned a pair of...
4768262 Apparatus and method for textile strand drafting  
A novel fiber drafting system disclosed according to which a textile fiber strand is passed through a plurality of pairs of drafting rollers wherein one of each pair of drafting rollers includes a...
4763387 Strip feeder between entrance and calendering rolls of a textile machine  
The fiber strip feed device provided with a fiber strip feed duct between the entrance rolls and the calendering rolls in a spinning machine, particularly in a set of drafting rolls of the spinning...
4734958 Drafting frame for a spinning machine  
The invention is a drafting frame of a spinning or twisting machine comprising a plurality of roll pairs or roll triads comprising upper and lower rolls, the upper rolls being guided at their ends...
4653153 Method and device for the optimization of the drawing process on autoleveller drawframes in the textile industry  
A rapidly reacting measuring element is used at the delivery of the drafting zone on autolevelling drawframes used in the textile industry, which makes it possible to superimpose on the signal thus...
4646391 Spinners  
A spinner is disclosed having at least one drawing roller arrangement, the bottom rollers of which are driven by at least one electric motor. For the purpose of identifying specific malfunctions...
4641397 Drafting mechanism for spinning machines  
A drafting mechanism for spinning machines for drafting a staple fiber web, a staple fiber sliver or a staple fiber slubbing has at least an input roller pair, two intermediate roller pairs, and an...
4635321 Spinning machines and the like with signal or indicator devices  
Spinning machine in which the upper rollers of the drafting units are arranged at pressure arm assemblies, whereby each pressure arm assembly has a main arm and an operating lever which is...
4611366 Treatment of fibrous materials  
A method and apparatus for straightening fibres in a sliver comprises subjecting the sliver to sliding frictional contact with a foraminous surface through which an airflow passes, the sliding...
4592114 Drafting roller arrangement for spinning machines  
A drafting roller arrangement for spinning machines is disclosed having at least three pairs of rollers forming successive drafting zones in the conveying direction of the sliver and having a...
4589168 Yarn-drafting apparatus  
An apparatus used in combination with a yarn spinner has an upstream gripper roller assembly including at least an upstream roller pair gripping the yarn to be stretched, a downstream gripper...
4547936 Drawing apparatus for textile fibre webs  
The drawing apparatus for textile fibre webs comprises a series of pairs of olls, the peripheral velocity of the rolls of each pair being greater than the peripheral velocity of the preceding pair...
4539729 Apparatus for the continuous compression or determination of the mass of a fiber sliver  
Fiber slivers must be condensed during the course of a spinning process or their mass must be determined. For this purpose there are employed so-called grooved pairs of rollers, that is to say,...
4538329 Draft device  
A draft device for a spinning machine comprises a plurality of pairs of a top roller and a bottom roller, a draft cradle for supporting shafts of the top roller and a belt tenser. Top roller shafts...
4538328 Device for interrupting feed of a roving to a drawing frame  
A device for interrupting feed of a roving on a drawing frame, having a feed roller pair, e.g., a powered bottom roller and a top roller tensioned against the bottom roller by springs, includes a...
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