Patents Assigned to Bonded Products, Inc.
  • Hot melt gasketing compositions and processes for applying them
    Patent number: 4650387
    Abstract: Compositions from 25% to 65% of a synthetic rubber block copolymer and from 75% to 35% plasticizer by weight are heated and mixed and applied, usually with a curing agent, to the lid or cover of a container such as a drum or pail. The application may take place while the lid or cover is revolved and the heated mixture is flowed on. The synthetic rubbers may be of the groups comprising SBS rubber, SIS rubber, or S-EB-S rubber. The plasticizer may be from the group comprising paraffin, oils or waxes, polyethylene, polypropylene or ethyl vinyl alcohol.Apparatus is also shown and described for implementing the application of the compositions to the lid or cover as it is revolved. If a groove is formed in the cover before reception of the composition, the apparatus extrudes or flows it into the groove and then the flowed-in material is permitted to set.
    Type: Grant
    Filed: April 14, 1986
    Date of Patent: March 17, 1987
    Assignee: Bonded Products, Inc.
    Inventor: Fred A. Busch
  • Hot melt gasketing compositions and processes for applying them
    Patent number: 4592690
    Abstract: Compositions from 25% to 65% of a synthetic rubber block copolymer and from 75% to 35% plasticizer by weight are heated and mixed and applied, usually with a curing agent, to the lid or cover of a container such as a drum or pail. The application may take place while the lid or cover is revolved and the heated mixture is flowed on. The synthetic rubbers may be of the groups comprising SBS rubber, SIS rubber, S-EB-S rubber. The plasticizer may be from the group comprising paraffin, oils or waxes, polyethylene, polypropylene or ethyl vinyl alcohol.Apparatus is also shown and described for implementing the application of the compositions to the lid or cover as it is revolved. If a groove is formed in the cover before reception of the composition, the apparatus extrudes or flows it into the groove and then the flowed-in material is permitted to set.
    Type: Grant
    Filed: January 28, 1985
    Date of Patent: June 3, 1986
    Assignee: Bonded Products, Inc.
    Inventor: Fred A. Busch
  • Extended valve box and process for securing extension to valve box
    Patent number: 4469115
    Abstract: An extension is secured to a valve box in a roadway to be repaved by coating the valve box shoulder and the bottom of the extension with a thin layer of epoxy adhesive, placing a heated neoprene gasket on the shoulder, and setting the extension in place on the gasket. Heating makes the gasket pliable, and heat from the gasket assists in curing the adhesive. A curing-type liquid sealant is introduced into the space around the periphery of the extension to prevent the entry of water, salt and other corrodents.
    Type: Grant
    Filed: February 11, 1983
    Date of Patent: September 4, 1984
    Assignee: Bonded Products, Inc.
    Inventor: Gary B. Rockafellow