Patents Assigned to Astro-Steel Grip International, Inc.
  • Flexible cementitious coatings
    Patent number: 4392335
    Abstract: A repair overlay for masonry surfaces includes three layers each containing epoxy resins which contribute to bonding to the adjacent layers. The underlayer is a coating of epoxy adhesive. The layer that overlies the underlayer includes Portland cement and epoxy, acrylic and vinyl polymers and, in some forms, a flexible metal mesh or screen. The overlayer consists of an epoxy paint and, in preferred form, a second thinner layer of cementitious polymer bearing material.
    Type: Grant
    Filed: April 12, 1982
    Date of Patent: July 12, 1983
    Assignee: Astro-Steel Grip International, Inc.
    Inventor: Robert B. Heiman