Patents by Inventor Delmar D. Long

Delmar D. Long has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5687093
    Abstract: An integrated screening system comprises an intrusive sampling subsystem, a field mobile laboratory subsystem, a computer assisted design/geographical information subsystem, and a telecommunication linkup subsystem, all integrated to provide synergistically improved data relating to the extent of site soil/groundwater contamination. According to the present invention, data samples related to the soil, groundwater or other contamination of the subsurface material are gathered and analyzed to measure contaminants. Based on the location of origin of the samples in three-dimensional space, the analyzed data are transmitted to a location display. The data from analyzing samples and the data from the locating the origin are managed to project the next probable sample location. The next probable sample location is then forwarded for use as a guide in the placement of ensuing sample location, whereby the number of samples needed to accurately characterize the site is minimized.
    Type: Grant
    Filed: February 17, 1995
    Date of Patent: November 11, 1997
    Assignee: Lockheed Martin Energy Systems, Inc.
    Inventors: Delmar D. Long, Mitchell S. Goldberg, Lorie A. Baker
  • Patent number: 4970039
    Abstract: An elastomer coated bias fabric for reinforcing power transmission belts and the like is disclosed wherein one face of the fabric is provided with an uncured, tacky, carboxylated elastomeric composition. In one embodiment, the fabric is prepared by pre-impregnating the fabric with a neoprene latex composition followed by coating the neoprene composition on both faces of the fabric, and after drying the fabric, overcoating one face only of the coated fabric with a tackified, carboxylated neoprene latex composition. A method and apparatus for manufacturing the coated fabric is also disclosed.
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: November 13, 1990
    Assignee: Dayco Products, Inc.
    Inventor: Delmar D. Long
  • Patent number: 4844287
    Abstract: A double-walled leak containment system for an underground storage tank is provided. The underground storage tank is surrounded, in order, by an inner polymeric containment layer, a liquid transmissive textile, and an outer polymeric containment layer. The outer polymeric containment layer is advantageously formed by spray coating the textile.
    Type: Grant
    Filed: November 13, 1987
    Date of Patent: July 4, 1989
    Inventor: Delmar D. Long
  • Patent number: 4769260
    Abstract: An elastomer coated bias fabric for reinforcing power transmission belts and the like is disclosed wherein one surface of the fabric is provided with an uncured, tacky, elastomeric composition. The fabric is prepared by pre-impregnating the fabric, transversely stretching the fabric on a tenter frame, coating a latex composition on both surfaces of the fabric while maintaining the fabric in its transversely stretched condition, and after drying the fabric, overcoating one surface only of the coated fabric with a tackified, latex composition which may contain a chemical linking agent which enhances the bond between the elastomer and the fabric by forming a chemical bridge between them. A method for manufacturing coated fabric is also disclosed.
    Type: Grant
    Filed: October 15, 1987
    Date of Patent: September 6, 1988
    Assignee: Dayco Products, Inc.
    Inventor: Delmar D. Long
  • Patent number: 4753823
    Abstract: A method and apparatus for manufacturing elastomer coated bias fabric are disclosed wherein the fabric is conducted in a horizontal path as it is transversely stretched and coated with an elastomeric composition; using an externally driven roll coater, the elastomeric composition is applied to one surface of the fabric from where it is forced through the interstices of the fabric to the opposite surface whereby both surfaces of the fabric are coated with elastomeric composition.
    Type: Grant
    Filed: July 9, 1986
    Date of Patent: June 28, 1988
    Assignee: Dayco Products, Inc.
    Inventor: Delmar D. Long
  • Patent number: 4753190
    Abstract: A method and apparatus for manufacturing elastomer coated bias fabric are disclosed wherein the fabric is conducted in a horizontal path as it is transversely stretched and coated with an elastomeric composition; using an externally driven roll coater, the elastomeric composition is applied to one surface of the fabric from where it is forced through the interstices of the fabric to the opposite surface whereby both surfaces of the fabric are coated with elastomeric composition.
    Type: Grant
    Filed: July 11, 1986
    Date of Patent: June 28, 1988
    Assignee: Dayco Products, Inc.
    Inventor: Delmar D. Long
  • Patent number: 4741924
    Abstract: A polymeric coated fabric layer and method of making the same are provided, the polymeric coated fabric layer comprising a fabric layer having warps and fills initially woven at a certain angle relative to each other and then changed to another angle whereby the fabric layer is in an altered condition thereof, and polymeric material secured to the fabric layer and holding the fabric layer in the altered condition thereof, the fabric layer having a twill weave or a satin weave. The resultant product holds a greater proportion of polymeric material than a quality equivalent plain woven fabric layer having substantially the same yarn and weight per square yard.
    Type: Grant
    Filed: June 16, 1986
    Date of Patent: May 3, 1988
    Assignee: Dayco Products, Inc.
    Inventors: Delmar D. Long, John F. Anderson, Jr.
  • Patent number: 4711792
    Abstract: An elastomer coated bias fabric for reinforcing power transmission belts and the like is disclosed wherein one surface of the fabric is provided with an uncured, tacky, elastomeric composition. The fabric is prepared by pre-impregnating the fabric, transversely stretching the fabric on a tenter frame, coating a latex composition on both surfaces of the fabric while maintaining the fabric in its transversely stretched condition, and after drying the fabric, overcoating one surface only of the coated fabric with a tackified, latex composition which may contain a chemical linking agent which enhances the bond between the elastomer and the fabric by forming a chemical bridge between them. A method for manufacturing coated fabric is also disclosed.
    Type: Grant
    Filed: August 1, 1986
    Date of Patent: December 8, 1987
    Assignee: Dayco Products, Inc.
    Inventor: Delmar D. Long
  • Patent number: 4661399
    Abstract: A polymeric-coated fabric layer, product utilizing the layer and a method of making such layer are provided, the layer being adapted to be secured to a surface of a polymeric belt body of a polymeric belt construction and comprising a fabric layer having opposed sides, and first and second layers of polymeric material respectively secured to the sides of the fabric layer and respectively and substantially simultaneously impregnating into the sides of the fabric layer, the first layer of polymeric material having an outer surface facing away from the fabric layer so as to be adapted to be secured to the surface of the polymeric belt body by a heat curing operation on the belt body and the polymeric-coated fabric layer in the assembled relation thereof, the first polymeric layer comprising a foamed polymeric layer and the second polymeric layer comprising a non-foamed polymeric layer whereby the outer surface of the foamed polymeric layer is adapted to readily conform to the surface of the belt body to improve
    Type: Grant
    Filed: January 17, 1985
    Date of Patent: April 28, 1987
    Assignee: Dayco Products, Inc.
    Inventors: John F. Anderson, Jr., Delmar D. Long
  • Patent number: 4637940
    Abstract: An elastomer coated bias fabric for reinforcing power transmission belts and the like is disclosed wherein one surface of the fabric is provided with an uncured, tacky, elastomeric composition. The fabric is prepared by pre-impregnating the fabric, transversely stretching the fabric on a tenter frame, coating a latex composition on both surfaces of the fabric while maintaining the fabric in its transversely stretched condition, and after drying the fabric, overcoating one surface only of the coated fabric with a tackified, latex composition which may contain a chemical linking agent which enhances the bond between the elastomer and the fabric by forming a chemical bridge between them. A method for manufacturing coated fabric is also disclosed.
    Type: Grant
    Filed: October 15, 1985
    Date of Patent: January 20, 1987
    Assignee: Dayco Corporation
    Inventor: Delmar D. Long
  • Patent number: 4624813
    Abstract: An elastomer coated bias fabric for reinforcing power transmission belts and the like is disclosed wherein one face of the fabric is provided with an uncured, tacky, carboxylated elastomeric composition. In one embodiment, the fabric is prepared by pre-impregnating the fabric with a neoprene latex composition followed by coating the neoprene composition on both faces of the fabric, and after drying the fabric, overcoating one face only of the coated fabric with a tackified, carboxylated neoprene latex composition. A method and apparatus for manufacturing the coated fabric is also disclosed.
    Type: Grant
    Filed: July 5, 1984
    Date of Patent: November 25, 1986
    Assignee: Dayco Corporation
    Inventor: Delmar D. Long
  • Patent number: 4622243
    Abstract: A method and apparatus for manufacturing elastomer coated bias fabric are disclosed wherein the fabric is conducted in a horizontal path as it is transversely stretched and coated with an elastomeric composition; using an externally driven roll coater, the elastomeric composition is applied to one surface of the fabric from where it is forced through the interstices of the fabric to the opposite surface whereby both surfaces of the fabric are coated with elastomeric composition.
    Type: Grant
    Filed: April 30, 1984
    Date of Patent: November 11, 1986
    Assignee: Dayco Corporation
    Inventor: Delmar D. Long
  • Patent number: 4621005
    Abstract: A polymeric-coated fabric layer, product using the layer, method and apparatus for making such layer and a method of making a belt construction comprising a polymeric belt body having a surface and a polymeric-coated fabric layer having an outer surface secured to the surface of the belt body are provided, the method of making a belt construction comprising the steps of providing a fabric layer having opposed sides, securing a main layer of polymeric material to one of the sides of the fabric layer, forming the main layer of polymeric material to have the outer surface facing away from the one side of the fabric layer, disposing the outer surface of the fabric layer against the surface of the belt body to provide an assembly thereof, bonding the outer surface of the layer to the surface of the belt body by a heat curing operation on the assembly, securing a gauge building layer of fibers to the one side of the fabric layer with another layer of polymeric material that is disposed on the one side before the la
    Type: Grant
    Filed: January 17, 1985
    Date of Patent: November 4, 1986
    Assignee: Dayco Corporation
    Inventors: Delmar D. Long, John F. Anderson, Jr.
  • Patent number: 4579766
    Abstract: An elastomer coated bias fabric for reinforcing power transmission belts and the like is disclosed wherein one face of the fabric is provided with an uncured, tacky, carboxylated elastomeric composition. In one embodiment, the fabric is prepared by pre-impregnating the fabric with a neoprene latex composition followed by coating the neoprene composition on both faces of the fabric, and after drying the fabric, overcoating one face only of the coated fabric with a tackified, carboxylated neoprene latex composition. A method and apparatus for manufacturing the coated fabric is also disclosed.
    Type: Grant
    Filed: July 6, 1984
    Date of Patent: April 1, 1986
    Assignee: Dayco Corporation
    Inventor: Delmar D. Long
  • Patent number: 4575469
    Abstract: A polymeric-coated fabric layer, product using the layer, method and apparatus for making such layer and a method of making a belt construction comprising a polymeric belt body having a surface and a polymeric-coated fabric layer having an outer surface secured to the surface of the belt body are provided, the method of making a belt construction comprising the steps of providing a fabric layer having opposed sides, securing a main layer of polymeric material to one of the sides of the fabric layer, forming the main layer of polymeric material to have the outer surface facing away from the one side of the fabric layer, disposing the outer surface of the fabric layer against the surface of the belt body to provide an assembly thereof, bonding the outer surface of the layer to the surface of the belt body by a heat curing operation on the assembly, securing a gauge building layer of fibers to the one side of the fabric layer with another layer of polymeric material that is disposed on the one side before the la
    Type: Grant
    Filed: April 1, 1985
    Date of Patent: March 11, 1986
    Assignee: Dayco Corporation
    Inventors: Delmar D. Long, John F. Anderson, Jr.
  • Patent number: 4570566
    Abstract: An apparatus for manufacturing an elastomer coated bias fabric for reinforcing power transmission belts and the like is disclosed wherein one face of the fabric is provided with an uncured, tacky, carboxylated elastomeric composition. In one embodiment, the fabric is prepared by pre-impregnating the fabric with a neoprene latex composition followed by coating the neoprene composition on both faces of the fabric while the fabric is transversely stretched, and after drying the fabric, overcoating one face only of the coated fabric with a tackified, carboxylated neoprene latex composition.
    Type: Grant
    Filed: July 6, 1984
    Date of Patent: February 18, 1986
    Assignee: Dayco Corporation
    Inventor: Delmar D. Long
  • Patent number: 4568591
    Abstract: A polymeric-coated fabric layer, product utilizing the layer and method and apparatus for making such layer are provided, the polymeric-coated fabric layer comprising a fabric layer having opposed sides, a layer of polymeric material secured to one of the sides of the fabric layer and having an outer surface facing away from the one side of the fabric layer, and a plurality of gauge building layers having been secured in stacked relation to the one side of the fabric layer, each gauge building layer having a plurality of voids therein and the polymeric layer filling the voids of at least one of the gauge building layers. One of the gauge building layers comprises a foamed polymeric layer and another of the gauge building layers comprises a plurality of fibers.
    Type: Grant
    Filed: January 17, 1985
    Date of Patent: February 4, 1986
    Assignee: Dayco Corporation
    Inventors: Delmar D. Long, John F. Anderson, Jr.
  • Patent number: 4565715
    Abstract: An elastomer coated bias fabric for reinforcing power transmission belts and the like is disclosed wherein one surface of the fabric is provided with an uncured, tacky, elastomeric composition. The fabric is prepared by pre-impregnating the fabric, transversely stretching the fabric on a tenter frame, coating a latex composition on both surfaces of the fabric while maintaining the fabric in its transversely stretched condition, and after drying the fabric, overcoating one surface only of the coated fabric with a tackified, latex composition which may contain a chemical linking agent which enhances the bond between the elastomer and the fabric by forming a chemical bridge between them. A method for manufacturing coated fabric is also disclosed.
    Type: Grant
    Filed: September 20, 1984
    Date of Patent: January 21, 1986
    Assignee: Dayco Corporation
    Inventor: Delmar D. Long
  • Patent number: 4560610
    Abstract: A polymeric-coated fabric layer, product utilizing the layer and a method of making such layer are provided, the layer having opposed surfaces one of which is adapted to be secured to a surface of a polymeric product and the other of which is adapted to be a contact face for the product and comprising a fabric layer having opposed sides, and two layers of polymeric material secured in stacked relation to one of the sides of the fabric layer with the outer layer of polymeric material defining the one surface of the polymeric-coated fabric layer, only the intermediate polymeric layer initially having a slip agent therein that under certain conditions will migrate through the outer polymeric layer to the outer surface thereof to provide a degree of reduction in the surface coefficient of friction for the contact face of the product.
    Type: Grant
    Filed: July 25, 1984
    Date of Patent: December 24, 1985
    Assignee: Dayco Corporation
    Inventor: Delmar D. Long
  • Patent number: 4559261
    Abstract: A polymeric-coated fabric layer, product utilizing the layer and a method of making such layer are provided, the layer having opposed surface one of which is adapted to be secured to a surface of a polymeric product and the other of which is adapted to be a contact face for the product and comprising a fabric layer having opposed sides, and two layers of polymeric material secured in stacked relation to one of the sides of the fabric layer with the outer layer of polymeric material defining the one surface of the polymeric-coated fabric layer, only the intermediate polymeric layer initially having a slip agent therein that under certain conditions will migrate through the outer polymeric layer to the outer surface thereof to provide a degree of reduction in the surface coefficient of friction for the contact face of the product.
    Type: Grant
    Filed: July 25, 1984
    Date of Patent: December 17, 1985
    Assignee: Dayco Corporation
    Inventor: Delmar D. Long