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Class Information
Number: 19/260
Name: Textiles: fiber preparation > Working > Drafting > Roll type > Including changing roll speed or location
Description: Method and apparatus wherein means are employed for changing the rate of rotation of a roll of one of the pairs, or changing the spacing of such a roll with respect to either its mate in the pair or a roll of another pair.
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 |
| 7096542 |
Method and apparatus at a draw frame for fibre slivers, for adjusting the nip line spacing of a drawing mechanism |
Aug. 29, 2006 |
| 6334238 |
Method of operating a draw unit of a spinning preparation machine |
Jan. 1, 2002 |
| 6158090 |
Device and method for collection of the web, and drawing of the latter into the output unit of a carder |
Dec. 12, 2000 |
| 6154931 |
Device for loading the upper drawing rolls in a draw frame and method |
Dec. 5, 2000 |
| 6134752 |
Loading mechanism for the upper rolls of a drafting mechanism |
Oct. 24, 2000 |
| 6088882 |
Regulated sliver drawing unit having at least one drawing field and method of regulation |
Jul. 18, 2000 |
| 5953793 |
Roll pressing device for a sliver drawing frame |
Sep. 21, 1999 |
| 5950413 |
Spinning apparatus, method of producing yarns, and resulting yarns |
Sep. 14, 1999 |
| 5943740 |
Combing machine with an autoleveller drafting arrangement |
Aug. 31, 1999 |
| 5839165 |
Textile machine |
Nov. 24, 1998 |
| 5809762 |
Draw frame with adjustment device for the drafting rollers |
Sep. 22, 1998 |
| 5774943 |
Tongue and groove drafting roller autoleveling system for automated textile drafting system |
Jul. 7, 1998 |
| 5761772 |
Securing and pressuring system for drafting rollers for automated textile drafting system |
Jun. 9, 1998 |
| 5619773 |
Draw frame |
Apr. 15, 1997 |
| 5535481 |
Textile machine with a drafting arrangement including rotational position sensor |
Jul. 16, 1996 |
| 5535488 |
Carding and drawing system for spinning process |
Jul. 16, 1996 |
| 5488758 |
Sliver piecing method |
Feb. 6, 1996 |
| 5477591 |
Bearing device for drafting rollers having pressure relieving means |
Dec. 26, 1995 |
| 5438733 |
Cotton drafting frame |
Aug. 8, 1995 |
| 5177835 |
Method and apparatus for piecing slivers |
Jan. 12, 1993 |
| 5161284 |
Sliver drafting apparatus with rpm sensing and adjusting |
Nov. 10, 1992 |
| 5157810 |
Apparatus for measuring the mass of a sliver |
Oct. 27, 1992 |
| 5022123 |
Draft mechanism having roller pairs connected to draft ratio controlled motors by timing belts |
Jun. 11, 1991 |
| 5010624 |
Spinning machine having several spinning points |
Apr. 30, 1991 |
| 4969238 |
Apparatus for selectively securing a carrier member of a textile drafting apparatus |
Nov. 13, 1990 |
| 4525897 |
Filament drawing frame with variable roller-pair spacing |
Jul. 2, 1985 |
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