Patents by Inventor Philip R. Hill

Philip R. Hill 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).

  • Apparatus for forming laminated fabrics
    Patent number: 4255227
    Abstract: A machine for bonding a layer of olefin yarn to a preference layer of nonwoven olefin material to form a laminated fabric is described. The machine includes an entry station whereat the layer of olefin yarns are oriented prior to being received on a tenter frame. The olefin yarns are conveyed to a spray station whereat one surface is coated with a solvent based adhesive and partially dried. The olefin yarns are then conveyed to a storage location for non-woven olefin material whereat it is initially bonded to the non-woven olefin material. From there it is conveyed to a bonding station where the layers are bonded together. Thereafter, the laminated fabric is automatically stacked.
    Type: Grant
    Filed: January 23, 1980
    Date of Patent: March 10, 1981
    Assignee: Chromatex, Inc.
    Inventor: Philip R. Hill
  • Laminated fabric of polypropylene
    Patent number: 4188445
    Abstract: A laminated fabric includes a layer of woven olefin yarns bonded to a layer of non-woven olefin material to form a unitary fabric structure.
    Type: Grant
    Filed: December 21, 1978
    Date of Patent: February 12, 1980
    Assignee: Chromatex, Inc.
    Inventor: Philip R. Hill