Patents by Inventor Roger George Davey

Roger George Davey 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).

  • Consolidation of dry formed webs
    Patent number: 4028457
    Abstract: A method of forming a paper-like sheet from a dry formed web by pre-bonding the web thereby strengthening it sufficiently that it may traverse a conventional size press but without unduly inhibiting the ability of the web to be penetrated by a binder in a liquid carrier, applying said binder to the pre-bonded web, distributing said binder in said web in a size press at a pressure of 20-150 lbs/linear inch, a temperature of 15.degree. - 80.degree. C and a web speed of at least 50 ft/minute and drying the web to provide a bonded sheet.
    Type: Grant
    Filed: June 20, 1975
    Date of Patent: June 7, 1977
    Assignee: Domtar Limited
    Inventor: Roger George Davey