False twister, especially for producing spiral filaments
AssigneeDrahtcord Saar GmbH & Co. KG
InventorsBernd Heisel, Siegfried Doujak
Life of this patent
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Abstract
The invention relates to a false twister (10), especially for producing spiral filaments. The false twister comprises a rotatably driven twister (17) with at least one guide roller (18) around which the filaments (11) are wrapped. The aim of the invention is to reduce the forces that act upon the spiral filaments (11′). To this end, at least one guide roller (18) is driven. According to a method for producing spiral filaments (11) the power necessary for moving the filaments (11) through the false twister (10) is at least partially applied on the filaments (11) in the false twister (10).
Claims22
A false twister for producing spiral filaments comprising a twister rotatably powered about a first axis of rotation and at least one guide pulley mounted on said twister and rotatable powered about a second axis of rotation;
- said twister is capable of being infed with said filaments parallel to said first axis of rotation and said guide pulley is capable of being wrapped around by said filaments so that forces are communicated to said filaments when said guide pulley is driven around said second axis of rotation;
- wherein said at least one guide pulley is powered, so that the force needed to move said filaments through said false twister is provided in said false twister to said filaments at least in part.
A false twister for producing spiral filaments, comprising a rotatable powered twister including at least one guide pulley wrapped around by said filaments, so that force needed to move said filaments through said false twister is provided in said false twister to said filaments at least in part, wherein said guide pulley is powered by rotation of said twister.
A false twister for producing spiral filaments, comprising a rotatable powered twister including at least one guide pulley wrapped around by said filaments, so that force needed to move said filaments through said false twister is provided in said false twister to said filaments at least in part, wherein a gear unit mounted on said twister is provided for powering said guide pulley.
A method of producing spiral filaments, comprising combining and plastically deforming at least two filaments in a false twister including a twister rotatably powered about a first axis of rotation and at least one guide pulley mounted on said twister and rotatable powered about a second axis of rotation;
- said filaments being infed into said twister parallel to said first axis of rotation and wrapped around said guide pulley so that forces are communicated to said filaments when said guide pulley is driven around said second axis of rotation;
- said filaments being intertwined in thus each supporting the other up until being wrapped around said guide pulley and being separate from each other after leaving said guide pulley, wherein said at least one guide pulley is powered so that the force needed to move said filaments through said false twister is provided in said false twister to said filaments at least in part.
Dependencies are inferred from the claim text.