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Class Information
Number: 57/408
Name: Textiles: spinning, twisting, and twining > Apparatus and processes > Open end spinning > Rotating chamber type > With fiber separating and/or feeding
Description: Subject matter combined with a device or means which operates on a supply of fibrous material to disintegrate it into discrete fiber form and/or feeds the discrete fibers to the rotating chamber.










Sub-classes under this class:

Class Number Class Name Patents
57/410 Coaxial roll 9
57/409 Plural or variable feed 58
57/411 With fluid flow controlling or directing 147
57/412 With specific feed device for opening roll 73
57/413 With specific rotor feed channel 86


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7779618 Fitting ring for an opening roller of an open-end spinning device Aug. 24, 2010
7392649 Feeding trough for a sliver opening device of an open-end spinning device Jul. 1, 2008
7347040 Fiber guide channel Mar. 25, 2008
7313908 Disintegrator with improved contour Jan. 1, 2008
7188463 Opening device for spinning machines Mar. 13, 2007
6978594 Process for the manufacture of a disintegrating roll of an open-end spinning apparatus as well as a disintegrating roll made by such a process Dec. 27, 2005
6920747 Combing ring for an opening roller of an open-end spinning arrangement and method of making same Jul. 26, 2005
6880322 Opening roller housing for an open-end spinning device, device for an opening roller housing and procedure for modernizing spinning devices Apr. 19, 2005
6865876 Opening roller unit of an open-end spinning device Mar. 15, 2005
6837035 Opening cylinder for an open-end spinning device Jan. 4, 2005
6834490 Arrangement for open-end rotor spinning Dec. 28, 2004
6820407 Opening arrangement for an open-end spinning frame Nov. 23, 2004
6694720 Method and apparatus for forming a cotton/rayon blended yarn Feb. 24, 2004
6691502 Opening cylinder for an open-end spinning device Feb. 17, 2004
6668536 Open-end spinning arrangement Dec. 30, 2003
6591600 Rotor spinning machine Jul. 15, 2003
6438935 Process and apparatus for the manufacture of composite fibrous stand comprising glass fibers Aug. 27, 2002
6321522 Spinning rotor for open-end spinning machine and method for producing the spinning rotor Nov. 27, 2001
6308507 Method of and apparatus for producing a textile yarn Oct. 30, 2001
6295800 Apparatus for open-end spinning Oct. 2, 2001
6116011 Impurity-removal device for an open-end spinning machine Sep. 12, 2000
6101803 Process and apparatus for piecing a yarn end in an open-end rotor spinning machine Aug. 15, 2000
6101805 Opening roller for an open-end spinning device Aug. 15, 2000
6067786 Opening device for an open-end spinning aggregate and method of making same May. 30, 2000
6065277 Process for producing dyed spun cotton yarns having improved uniformity, physical properties, and luster and yarns thus produced May. 23, 2000
6055801 Process for modernizing an open-end spinning machine May. 2, 2000
6047537 Method for producing a twisted yarn by an integrated spinning and twisting process according to the two-for-one principle as well as device for performing the method Apr. 11, 2000
6035623 Open-end spinning device with replaceable conduit plate adapter Mar. 14, 2000
6035624 Fiber transporting apparatus for a rotor type open end fine spinning machine Mar. 14, 2000
6016650 Fiber feed element for a rotor spinning machine Jan. 25, 2000
6006511 Separating roll for an open end spinning machine Dec. 28, 1999
5987870 Open-end spinning device Nov. 23, 1999
5964083 Method for producing a twisted yarn in a combined spinning and twisting process Oct. 12, 1999
5953897 Fiber guide device for connecting a sliver opening device with a rotor spinning housing in an open-end spinning apparatus Sep. 21, 1999
5953896 Adaptor for an open-end spinning arrangement and method of making same Sep. 21, 1999
5950411 Device for transmitting signals of a yarn monitor to a control circuit of a spinning location of an open-end spinning machine Sep. 14, 1999
5950415 Opening device for an open-end spinning machine and method of making same Sep. 14, 1999
5946899 Sliver opening device Sep. 7, 1999
5943853 Open-end spinning machine with a trash removal system Aug. 31, 1999
5943854 Opening rolls for an open end spinning apparatus Aug. 31, 1999
5941058 Sliver opening device Aug. 24, 1999
5916121 Sliver feeding device for an open-end spinning machine Jun. 29, 1999
5911676 Low-speed trash belt for open-end spinning machine and method Jun. 15, 1999
5901546 Fiber conveying channel for a spinning machine May. 11, 1999
5899057 Opener roller for an open-end spinning device May. 4, 1999
5890356 Open-end fiber veil spinning apparatus and method Apr. 6, 1999
5870890 Method and apparatus for detecting the mass of fiber material in a spinning machine Feb. 16, 1999
5867975 Apparatus for the initiation of spinning a thread on an open-end spinning apparatus Feb. 9, 1999
5867974 Opening device for an open-end spinning machine Feb. 9, 1999
5850730 Opening device for an open-end spinning unit Dec. 22, 1998

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