Class 19/261 - Roll-spacing adjusting

Subclass of Class 19 - Textiles: fiber preparation
Definition: Method and apparatus wherein the change of the roll spacing
No. of patents: 20
Last issue date: 02/05/2008

Number	Title	Issue Date
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 housing is detachably mounted in a machine frame. The drafting devices...	02/05/2008
7308735	Roller 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
6971145	Apparatus 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
6829811	Apparatus 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
6470534	Manufacturing method for carded woolen yarn A top making apparatus is attached to a woolen card. Materials usually to be processed on a woolen card are fed and the delivered web is guided by the top making apparatus and ball tops are formed by the top making apparatus. This top is processed on cott...	10/29/2002
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 the compacting unit and which rotates a pressure roller of...	12/25/2001
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
5873230	Pneumatic pressing system for a drafting frame of a spinning machine and method of operating same In the pneumatic pressing of textile strands in a drafting frame the pressure in the pressure line is monitored by a pressure sensor and/or a flowmeter and used to control a value between the pressure source and that pressure line. According to the invent...	02/23/1999
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
5638580	Method of spinning all-wool yarn on cotton system Worsted grade all-wool of fair quality can be spun on cotton spinning system. Wool top is processed at first passage of cotton drawing frame instead of gill, with cutting and drafting with suitable distance between front and third rollers. Second and back...	06/17/1997
5303454	Textile machine comprising a plurality of drafting units arranged next to one another in a row In the case of a textile machine comprising drafting units that are disposed next to one another, the bottom cylinders are arranged in the longitudinal direction of the machine so that they continue along several or all drafting units. The continuous bott...	04/19/1994
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
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 of strip or strand movement) the distances between nips of...	07/11/1989
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 by bearings in at least one supporting arm rotatable about...	04/05/1988
4593438	Spinning machine drafting roller adjusting arrangement In a spinning machine with a plurality of adjacently disposed drawing or drafting roller arrangements with which the lower rollers are arranged as lower roller cylinders extending in the machine longitudinal direction, a central control device and adjusti...	06/10/1986
4461058	Drawing frames A drawing frame with a drawing region or with two independent drawing regions includes, as a whole, four or more so-called drawing and control rollers. These latter all comprise pressure rollers with barrel rubbers. The control roller situated immediately...	07/24/1984
4088016	Method and apparatus for determining parameters of a staple length distribution of fibers in yarn slivers Improved method, and apparatus for practicing the method, for determining parameters of a staple length distribution of fibers in a yarn sliver by feeding the yarn sliver to and between two pairs of drafting rolls initially spaced apart at a greater dista...	05/09/1978

PatentStorm

Quotables

PatentStorm News

Class 19/261 - Roll-spacing adjusting