Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Including settable material – Adhesive encapsulated
Patent
1994-06-03
1995-09-26
Saether, Flemming
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Including settable material
Adhesive encapsulated
411304, 411258, 411930, 4052595, F16B 3902
Patent
active
054529778
ABSTRACT:
A fastening system includes a fastener having a threaded shank and a head, the head having upper and lower surfaces and depending integrally from the lower surface of the head, the lower surface including a channel concentric relative to the shank. The shank of the fastener includes its first channel extending along a length and a second channel also extending along a length of the shank. Within the first shank channel is provided a bonding base material, and within the second shank channel is provided a bonding activator material. Rotation of the fastener within a medium to be fastened will cause an extrusion of the bonding base and activator materials into the annular channel in which a curing reaction therebetween will occur, effectively bonding the lower surface of the fastener head to an exterior surface of the medium to be fastened.
REFERENCES:
patent: 2409638 (1946-10-01), Lyon
patent: 3061455 (1962-10-01), Anthony
patent: 3247752 (1966-04-01), Greenleaf
patent: 3639137 (1972-02-01), Marinelli
patent: 3897713 (1975-08-01), Gugle
patent: 4059136 (1977-11-01), Wallace
patent: 4712957 (1987-12-01), Edwards
Saether Flemming
Silverman M. K.
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