| Patent Number |
Title Of Patent |
Date Issued |
| 7832315 |
Fiber chopper apparatus and method |
November 16, 2010 |
| A chopper for chopping fibers or fiber strands having a back up roll and a blade roll containing blades that work against a peripheral surface of the back up roll and a method of using is disclosed. The chopper has a number of improved features for reducing the frequency of long fibers o |
| 7603933 |
Strand oscillator assembly for choppers |
October 20, 2009 |
| An improved oscillator assembly that can be used on a chopper for chopping strands of fiber and other long or continuous it items into segments. The improved oscillating assembly moves the items back and forth across the surface of a working layer of the chopper while also rotating a gui |
| 7600454 |
Fiber chopper and method of controlling force |
October 13, 2009 |
| A method and apparatus for chopping long unwound items like fiber, fiber strands, yarn, etc. The chopper has a backup roll, a blade roll and a biasing system for forcing the backup roll and the blade roll together at a desired force during set up and operation. The biasing system contain |
| 7594460 |
Method of controling biasing force before and during chopping |
September 29, 2009 |
| A method and apparatus for chopping long unwound items like fiber, fiber strands, yarn, etc. The chopper has a backup roll, a blade roll and a biasing system for forcing the backup roll and the blade roll together at a desired force during set up and operation. The biasing system contain |
| 7413136 |
Fiber chopper with improved idler roll |
August 19, 2008 |
| A method and apparatus for chopping long unwound items like fiber, fiber strands, yarn, etc. having an idler roll for pressing the item(s) against a backup roll for pulling the item(s) into the chopper, the idler roll being an assembly allowing the idler roll to pivot around a pin inside |
| 7252026 |
Strand oscillator assembly for choppers and method |
August 7, 2007 |
| An improved oscillator assembly that can be used on a chopper for chopping strands of fiber and other long or continuous it items into segments. The improved oscillating assembly moves the items back and forth across the surface of a working layer of the chopper while also rotating a gui |
| 7168355 |
Fiber chopper and method of chopping |
January 30, 2007 |
| A method and apparatus for chopping long unwound items like fiber, fiber strands, yarn, etc. The chopper has a backup roll, a blade roll and a biasing system for forcing the backup roll and the blade roll together at a desired force during set up and operation. The biasing system contain |
| 7152514 |
Fiber chopper apparatus and method |
December 26, 2006 |
| A chopper for chopping fibers or fiber strands having a back up roll and a blade roll containing blades that work against a peripheral surface of the back up roll and a method of using is disclosed. The chopper has a number of improved features for reducing the frequency of long fibers o |
| 6708592 |
Fiber chopper apparatus and method |
March 23, 2004 |
| A chopper for chopping fibers or fiber strands having a back up roll and a blade roll containing blades that work against a peripheral surface of the back up roll and a method of using is disclosed. The chopper has a number of improved features for reducing the frequency of long fibers o |
| 6619573 |
Chopper for cutting fiber continuously, and method |
September 16, 2003 |
| A chopper for chopping items such as fibers, fiber strands, ribbon, etc. by passing the items continuously in a loose, unwound, condition through the nip of a blade roll and a backup roll having a working layer on its outer periphery. The chopper of the present invention uses one or more |
| 6564684 |
Fiber chopper apparatus and method |
May 20, 2003 |
| A chopper for chopping fibers or fiber strands having a back up roll and a blade roll containing blades that work against a peripheral surface of the back up roll and a method of using is disclosed. The chopper has a number of improved features for reducing the frequency of long fibers o |
| 6267035 |
Fiber chopper apparatus and method |
July 31, 2001 |
| A chopper for chopping fibers or fiber strands having a back up roll and a blade roll containing blades that work against a peripheral surface of the back up roll and a method of using is disclosed. The chopper has a number of improved features for reducing the frequency of long fibers o |
| 6202525 |
Chopping apparatus |
March 20, 2001 |
| Apparatus and method for separating or chopping long fibers or the like are improved by maintaining the temperature of one or more temperature sensitive components of the chopping apparatus with cooling means to maintain one or more desired characteristic of the material within a des |
| 6148640 |
Method for making chopped fiber |
November 21, 2000 |
| In a method of chopping fiber from a leg containing three or more fiberizers, prior to stopping the chopper for maintenance all of the strands are first removed from the chopper and put into a single set of pull rolls located near the chopper where the strands are pulled while the ch |
