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Class Information
Number: 19/240
Name: Textiles: fiber preparation > Working > Drafting > With material sensing > And speed changing
Description: Method or apparatus wherein the change in the drafting operation is brought about by a change in the rate of rotation of at least one pair of drafting rolls.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7451526 |
Apparatus for consolidating a conveyable fibre web, for example of cotton, synthetic fibres or the like |
Nov. 18, 2008 |
| 6880207 |
Method and device to evaluate signals of a sensor to monitor a textile machine |
Apr. 19, 2005 |
| 6640392 |
Method and apparatus for determining the point of regulation for a drafting unit in a fiber processing machine |
Nov. 4, 2003 |
| 6640154 |
Device for determining adjustment values for the pre-draft of a sliver |
Oct. 28, 2003 |
| 6581248 |
Carding machine with drawing rollers at the outlet |
Jun. 24, 2003 |
| 6499194 |
Adjusting drawframe |
Dec. 31, 2002 |
| 6457209 |
Method of directly determining setting values for the application point of regulation in a regulated draw frame |
Oct. 1, 2002 |
| 6453515 |
Apparatus for measuring the tension of silver running in a draw frame |
Sep. 24, 2002 |
| 6453514 |
Method of directly determining setting values for the application point of regulation in a regulated draw frame |
Sep. 24, 2002 |
| 6393667 |
Machine with a drafting arrangement for processing textile material |
May. 28, 2002 |
| 6334238 |
Method of operating a draw unit of a spinning preparation machine |
Jan. 1, 2002 |
| 6289599 |
Apparatus for measuring the thickness of sliver bundle formed of a plurality of side-by-side running slivers |
Sep. 18, 2001 |
| 6273314 |
Process and apparatus for storage of fiber band between operating components of spinning machines |
Aug. 14, 2001 |
| 6205621 |
Device and method for collecting the web, and drawing of the latter into the form of a strip, at the output of a carder |
Mar. 27, 2001 |
| 6158090 |
Device and method for collection of the web, and drawing of the latter into the output unit of a carder |
Dec. 12, 2000 |
| 6157146 |
Procedure and apparatus for speed related error correction of measurement signals from fiber band speed in a textile machine |
Dec. 5, 2000 |
| 6088882 |
Regulated sliver drawing unit having at least one drawing field and method of regulation |
Jul. 18, 2000 |
| 6058571 |
Device for drawing a carder textile strip |
May. 9, 2000 |
| 5815889 |
Process and device for regulating drafting equipment, in particular in carding machines |
Oct. 6, 1998 |
| 5774941 |
Two-head one-cubican drawing system |
Jul. 7, 1998 |
| 5774943 |
Tongue and groove drafting roller autoleveling system for automated textile drafting system |
Jul. 7, 1998 |
| 5713106 |
Process to ensure precise autolevelling for the drafting of a fiber sliver in a pre-spinning machine and device to carry out the process |
Feb. 3, 1998 |
| 5619772 |
Sliver guide assembly including a thickness sensor and a movable counterelement |
Apr. 15, 1997 |
| 5606113 |
Acoustic methods to monitor sliver linear density and yarn strength |
Feb. 25, 1997 |
| 5544390 |
Regulating drawing unit for a sliver drawing frame and regulating method |
Aug. 13, 1996 |
| 5528798 |
Draw frame and process for the operation of a draw frame responsive to silver sensing |
Jun. 25, 1996 |
| 5428870 |
Method and device for regulating the draw of a drawing unit |
Jul. 4, 1995 |
| 5412301 |
Drive for a drafting arrangement |
May. 2, 1995 |
| 5398380 |
Drive system for a carding machine including doffer zone draft setting |
Mar. 21, 1995 |
| 5394591 |
Autoleveller drafting arrangement with mass fluctuation control |
Mar. 7, 1995 |
| 5377385 |
Draw frame, storage device and coiler, delivery regulation |
Jan. 3, 1995 |
| 5248925 |
Drafting arrangement with feedback drive groups |
Sep. 28, 1993 |
| 5157810 |
Apparatus for measuring the mass of a sliver |
Oct. 27, 1992 |
| 5152033 |
Textile apparatus/method for reducing variations in silver weight |
Oct. 6, 1992 |
| 5052080 |
Method and apparatus for controlling yarn preparation operations to enhance product uniformity |
Oct. 1, 1991 |
| 5022123 |
Draft mechanism having roller pairs connected to draft ratio controlled motors by timing belts |
Jun. 11, 1991 |
| 5018248 |
Drafting apparatus with autolevelling |
May. 28, 1991 |
| 5014395 |
Apparatus for automatically compensating density or thickness variations of fiber material at textile machines, such as cards, draw frames and the like |
May. 14, 1991 |
| 4955266 |
Apparatus for detecting the density or thickness and variations thereof of fiber material at the infeed of a textile machine as well as for evening the density of thickness variations of fiber |
Sep. 11, 1990 |
| 4947520 |
Feed roll sensor for a textile carding machine |
Aug. 14, 1990 |
| 4939816 |
Control apparatus for controlling flock height in a feed chute for a fiber processing machine |
Jul. 10, 1990 |
| 4864694 |
Apparatus for controlling the sliver drafting arrangement in a textile draw frame |
Sep. 12, 1989 |
| 4864853 |
Apparatus for measuring the thickness of fibre slivers |
Sep. 12, 1989 |
| 4860406 |
Method for detecting the density or thickness and variations thereof of fiber material at the infeed of a textile machine as well as a method for evening the density or thickness variations of |
Aug. 29, 1989 |
| 4854011 |
Method for automatically compensating density or thickness variations of fiber material at textile machines, such as cards, draw frames and the like |
Aug. 8, 1989 |
| 4839944 |
Feed roll sensor for a textile carding machine |
Jun. 20, 1989 |
| 4819301 |
Method and apparatus for controlling the drafting of sliver in a drawing frame |
Apr. 11, 1989 |
| 4817247 |
Lap leveler for a textile fiber processing machine |
Apr. 4, 1989 |
| 4791706 |
Method and apparatus for evening the sliver produced by a card |
Dec. 20, 1988 |
| 4785505 |
Silver or lap evening apparatus for a carding machine or the like |
Nov. 22, 1988 |
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