Patent ID: 6312203
Filing Date: 2001-11-06
Classification: F16B,Y10S

Abstract:
A tamper-evident fastener for insertion in to a passage formed in an object, comprising:a fastener, said fastener having:an elongated fastener shaft having a proximal end and a distal end, anda fastener head attached to said proximal end of said fastener shaft, and configured for manipulating said fastener for installation and removal; andan elastomeric sleeve which extends over said fastener head and is made of a thermoshrinkable material, said elastomeric sleeve defining a central cavity and having:a first end, said first end having an opening configured to accommodate at least partial insertion of said fastener head into said central cavity, anda second end, said second end having a bearing member of a diameter which is smaller than said fastener head but larger than said fastener shaft attached thereto,said elastomeric sleeve being shrinkable upon application of heat after installation to conform to at least a portion of said fastener head, and be securely attached to said fastener so that a substantial subsequent manipulation of fastener changes an appearance of said elastomeric sleeve, whereby a tamper evidence on said elastomeric sleeve is formed and can be easily visualized.