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Moldable self-adhering fastener cover and installation method

  • US 5,755,908 A
  • Filed: 02/21/1996
  • Issued: 05/26/1998
  • Est. Priority Date: 02/21/1996
  • Status: Expired due to Fees
First Claim
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1. In combination, an installation tool and a pliable flat disk for covering and sealing the head of a fastener protruding from a surface:

  • said pliable flat disk being of laminated construction having a thin top layer of deformable material bonded to a relatively thicker intermediate layer of pliable adhesive sealant material and a removable bottom layer of release paper covering the exposed surface of said sealant material;

    said installation tool having disk holding means at one end for releasably holding said flat disk thereon, said end having a recess slightly deeper than the height of the head of the fastener and said recess having an interior slightly larger than the outer periphery of the head of the fastener;

    said disk holding means holding said flat disk on said end of said tool in a position covering said recess with said release paper layer facing outwardly from said end; and

    said flat disk being installed on the head of the fastener by removing said release paper to expose said adhesive sealant material and placing said tool with said flat disk held on said end in a position generally centered on the fastener head and pressing said tool downwardly to deform said flat disk to encompass and conform substantially to the shape of the head of the fastener and cover a surface radially surrounding the fastener head and adhere to the fastener head and adhere the fastener head to the radially surrounding surface and provide an air-tight and liquid-tight seal between the fastener head and radially surrounding area and prevent relative movement therebetween.

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