Patents Represented by Attorney Tom R. Vestal

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  • Device for adjusting strand carrier tube in composite yarn producing apparatus
    Patent number: 4043720
    Abstract: In producing a composite yarn which includes a carrier strand and a layer of tacky polymer, provision is made for adjusting the position of a tube through which the carrier strand passes in relation to a polymer extrusion orifice to vary the annular thickness of the polymer layer.
    Type: Grant
    Filed: July 11, 1975
    Date of Patent: August 23, 1977
    Assignee: Akzona Incorporated
    Inventor: Howard Alexander Mercer
  • Dust entrapment composition and method therefor
    Patent number: 4038443
    Abstract: The present invention relates to improvements in binding dust particles such as coal dust in mining operations by coating exposed surfaces in mine workings with a dust binding agent. Additives to the binding agent enhance dust entrapment and may be coated on the exposed surfaces after an initial layer of binding agent has been structured in the mine workings.
    Type: Grant
    Filed: May 1, 1975
    Date of Patent: July 26, 1977
    Assignee: Akzona Incorporated
    Inventor: Charles H. Jacoby
  • Method and apparatus for cutting tow
    Patent number: 4014231
    Abstract: Method and apparatus are disclosed for cutting tow by supplying the two with a pair of rolls to form a package next to cutting edges inside a rotating ring of blades. A pressure roll forces the tow against the cutting edges which form a surface of rotation preferably at an angle of 5.degree. to 85.degree. to the axis of rotation of the circle of blades.
    Type: Grant
    Filed: December 4, 1975
    Date of Patent: March 29, 1977
    Assignee: Akzona Incorporated
    Inventor: Frits Hutzezon
  • Indicating device for yarn crimping wheel teeth spacing adjustment
    Patent number: 4007519
    Abstract: In synthetic yarn texturing using crimping wheels, an indicating device is provided to aid in adjusting the peripheral spacing between the teeth of the wheels.
    Type: Grant
    Filed: July 11, 1975
    Date of Patent: February 15, 1977
    Assignee: Akzona Incorporated
    Inventor: Charles M. Rice
  • Device for the opening and conveyance of freshly cut staple fiber bundles
    Patent number: 3985053
    Abstract: The invention relates to a device for opening and conveying freshly spun staple fiber bundles. Said device is attached to a staple fiber cutter and consists of an axial blower with increased space between the fan blades and the interior wall of the casing.
    Type: Grant
    Filed: January 21, 1976
    Date of Patent: October 12, 1976
    Assignee: Akzona Incorporated
    Inventors: Hans Dieter Kayser, Wilhelm Dindorf
  • Ground stabilization matting
    Patent number: 3934421
    Abstract: A matting comprised of a plurality of continuous amorphous synthetic thermoplastic filaments having an equivalent diameter of about 0.1 to 2.0 millimeters is disclosed to be used for the ground stabilization of road beds. The filaments comprising the matting are arranged in a number of superimposed contacting rows with an overlapping intersection of the loops of adjacent filaments in at least the same row with superficial bonding of the filaments at their points of intersection.
    Type: Grant
    Filed: August 2, 1974
    Date of Patent: January 27, 1976
    Assignee: Akzona Incorporated
    Inventors: Berthold H. Daimler, Jan Vos, Wilhelm Herveling