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Class 19/.6 - Cutting


Subclass of Class 19 - Textiles: fiber preparation
Definition: Processes and apparatus in which the severing is accomplished
No. of patents: 18
Last issue date: 12/25/1990


NumberTitleIssue Date
4979270Apparatus and methods for converting tow into staple
Disclosed are apparatus and methods for converting tow into sliver including cutter rolls for cutting fiber to length, a collector pan for passing the cut fiber from the cutting rolls to a drafting section and a pin roll in the drafting section for combin...
12/25/1990
4924554Process and manipulator for the guidance of running threads
A process for the guidance of rapidly running threads by means of a manipulator, in which the threads are drawn by the mechanical drawing-in device into the interior of the manipulator and are comminuted there by means of a cutting device, and the thread ...
05/15/1990
4399589Traversing apparatus for a cutting machine for a synthetic filament tow
In a cutting machine for a synthetic filament tow the filament tow 3 before passing between the cutting rolls 1/2 is traversed laterally to and fro. The present invention teaches, in which manner the traversing movement of the tow guide 5, moved to and fr...
08/23/1983
4389752Method of producing a staple fibre sliver and apparatus for implementing the method
The present invention concerns a method and an apparatus for producing a draftable staple fibre sliver (12) from a strand (12) of endless filaments, which is united and condensed for further processing. According to the invention the zone of the united an...
06/28/1983
4383349Opening bonded glass fiber bundles
Textile length multifilament bundles of coated and bonded glass fibers are fed into the fiber inlet of a momentum exchange aspirator having a high pressure propelling air source inlet providing propelling air at a velocity generally equal to the velocity ...
05/17/1983
4355438Mat forming apparatus
The apparatus includes an air temperature and humidity control chamber, a chopper room, strand choppers in the chopper room, a first controllable pitch fan having an inlet connected to the temperature and humidity control chamber and an outlet connected t...
10/26/1982
4345355Process and apparatus for cutting a tow and continuously opening the fibers obtained
Process and apparatus for continuously cutting a tow of continuous filaments and opening the resulting fibers are described. Immediately after the tow is cut, while the fibers are still in an orderly array, they are transported to an opening device, espec...
08/24/1982
4343069Fiber cutting machine
A machine for cutting a travelling tow of synthetic plastic filaments to produce staple fibers has a blade carrier from which cutting blades project and have their free ends secured to a concentric surrounding ring. The facing annular surfaces of ring and...
08/10/1982
4268936Apparatus for chopping strands
A squirrel cage type long strand eliminator is provided intermediate the chopper and the collection region to eliminate undesirably long sections of strand from free falling discrete segments of strand as they are being formed from a continuous strand....
05/26/1981
4266323Apparatus for chopping strands
A squirrel cage type long strand eliminator is provided intermediate the chopper and the collection region to eliminate undesirably long sections of strand from free falling discrete segments of strand as they are being formed from a continuous strand....
05/12/1981
4254536Fiber cutter
Short lengths of uniform length are cut from a mass of non-oriented fibers by combing and periodical cutting....
03/10/1981
4221838Crimped thermoplastic fibers
The crimped products are produced having a more permanent bulkiness which resists deterioration during further processing and subsequent use. Such products are disclosed having deposited on the surface of the fibers a thin coating of a finishing agent com...
09/09/1980
4175939Method and apparatus for introduction of glass filament strand onto feed roller of chopped glass filament strands manufacturing system
A system for manufacturing chopped strands of glass filaments wherein a multiplicity of glass filaments are extruded through orifices in the bottom of at least two spinning furnaces and a sizing agent is applied and the filaments are collected to form at ...
11/27/1979
4158555Method of cutting of glass strand and product produced thereby
A method of cutting glass fiber strands is disclosed wherein said strands are driven across the beam of an interruptable laser. The laser beam melts the strand at each pulse of the beam cutting the strand into short lengths. The cut strands can be immedia...
06/19/1979
4141115Method and apparatus for cutting textile tow into staple
A process and apparatus for cutting textile tow into staple is disclosed. The textile tow is wound onto a textile tow support which is rotatable at a predetermined angular velocity. A plurality of moveable cutting surfaces are attached integrally to the t...
02/27/1979
4014648In-line flock cutting process
A continuous in-line flock cutting process is disclosed, for making flock from tow which contains a lubricant which is detrimental to the flock and must be removed. The tow is continuously fed, heat treated and immersed in an aqueous scouring liquid, and ...
03/29/1977
4006277Random length cutter
A cutter is provided for cutting rope into fibers of varying lengths. A plurality of blades are provided having cutting edges arcuately arranged and facing either inwardly or outwardly. Rope is fed against the cutting edges of the blades, forcing the rope...
02/01/1977
3988882Method and apparatus for simultaneously texturizing and cutting continuous yarns
Methods of and apparatus for processing yarn in order to texturize and cut the yarn include using a fluid to direct yarn into a tube having a rotating spindle therein around which the yarn forms a wad. At least part of the fluid is exhausted from the tube...
11/02/1976
 
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