Patents by Inventor Ari M. Hukki

Ari M. Hukki 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: 5032210
    Abstract: A screen assembly, the process for its manufacture, the apparatus used in the process and an adhesive presenting a system and the final product for accurately tensioned bonded screens. The screens include a screen frame and screen cloth bonded thereto by adhesive using bisphenol F epoxy resin, amine adduct hardener, a substantial percentage of amorphous silica and small amounts of glycerin and fumed or precipitated silicon dioxide. Titanium dioxide may also be employed for color. A screen assembly apparatus includes a screen cloth tensioning frame and a platform positionable adjacent a tensioned screen cloth. The platform includes heating elements about the periphery of a sheet heater on a lift table. The heating elements receive a screen frame which can be lifted into contact with a screen cloth in the tensioning frame. The sheet heater approaches the screen cloth itself. A thermal control cycle is presented which allows the screen frame to cool prior to the tensioned screen.
    Type: Grant
    Filed: August 29, 1990
    Date of Patent: July 16, 1991
    Assignee: Sweco Incorporated
    Inventors: Ari M. Hukki, Gerald P. Salladin
  • Patent number: 4968366
    Abstract: A screen assembly, the process for its manufacture, the apparatus used in the process and an adhesive presenting a system and the final product for accurately tensioned bonded screens. The screens include a screen frame and screen cloth bonded thereto by adhesive using bisphenol F epoxy resin, amine adduct hardener, a substantial percentage of amorphous silica and small amounts of glycerin and fumed or precipitated silicon dioxide. Titanium dioxide may also be employed for color. A screen assembly apparatus includes a screen cloth tensioning frame and a platform positionable adjacent a tensioned screen cloth. The platform includes heating elements about the periphery of a sheet heater on a left table. The heating elements receive a screen frame which can be lifted into contact with a screen cloth in the tensioning frame. The sheet heater approaches the screen cloth itself. A thermal control cycle is presented which allows the screen frame to cool prior to the tensioned screen.
    Type: Grant
    Filed: August 26, 1988
    Date of Patent: November 6, 1990
    Assignee: Sweco, Incorporated
    Inventors: Ari M. Hukki, Gerald P. Salladin