Patents by Inventor Dennis H. Tugwell

Dennis H. Tugwell 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: 4037008
    Abstract: The first layer of elastomeric synthetic resin transparent ink is screened onto a transfer sheet and is fused. One or more layers of compatible ink are deposited thereon and dried to form an image. Next, an elastomeric adhesive protective layer is applied and fused. The intermediate article thus produced by this process is a transfer sheet carrying a transfer lamination which is applicable to fabric. The adhesive layer is applied against the fabric with pressure, and the entire structure is heated. During this heating, the elastomeric adhesive is absorbed into the fabric and is cured in place to become thermoplastic. At the same time, the first layer against the transfer sheet becomes plastic and the transfer sheet is removed.In another embodiment, the first and protective layers are fused and an additional elastomeric adhesive layer is applied unfused. During the transfer with the application of heat and pressure, the final layer performs the adhesive function, is absorbed into the fabric, and fuses.
    Type: Grant
    Filed: April 3, 1972
    Date of Patent: July 19, 1977
    Assignee: Photo-Lith International
    Inventor: Dennis H. Tugwell