Patents by Inventor Donald F. Hays, Jr.

Donald F. Hays, Jr. 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).

  • Flyknife cutter for extruded materials
    Patent number: 5024130
    Abstract: Apparatus (10) for repeatedly severing rubber and plastic material (T) at selected locations along a length thereof including a frame (15), an arbor (41) mounted on the frame carrying a knife blade (50) for rotation in a circular path, a guide for supporting the material to be severed in the path of rotation of the knife blade, a rotary actuator (56) for selectively intermittently driving the arbor for instituting rotation of the knife blade, and a cylinder assembly (90) for supplementing the driving of the arbor and for braking the arbor to a stop after the knife blade has severed the material.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: June 18, 1991
    Assignee: Extrusion Services, Inc.
    Inventor: Donald F. Hays, Jr.
  • Cutting apparatus for extruded materials
    Patent number: 4986155
    Abstract: Apparatus (10) for repeatedly cutting extruded rubber and plastic material (M) at preselected locations along a length thereof including, a frame (11), a drive shaft (35) mounted on the frame, a drive member (25) effecting a selected speed of rotation of the drive shaft, feed rolls (110) intermittently driven by the drive shaft for controllably advancing the extruded material, and a cutting element (B) reciprocally driven by the drive shaft for repeatedly cutting the extruded material advanced by the feed rolls at the preselected locations.
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: January 22, 1991
    Assignee: Extrusion Services, Inc.
    Inventor: Donald F. Hays, Jr.