F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
80/12, 85/18, 80
F16B 19/10 (2006.01) B21H 3/02 (2006.01)
Patent
CA 1277519
"SELF-PLUGGING BLIND FASTENER" ABSTRACT A self-plugging blind fastener of the break-stem type, is suitable for fastening apertured sheets together, and comprises a headed tubular body and an elongate stem disposed in the bore of the body. The stem comprises a plug, and a stem-tail connected to the plug by a breakneck which is concealed by overlapping lips. The plug has a stop face, and an annular locking groove between the break- neck and the stop face. The body has a deformable locking collar upstanding above an adjacent region of the upper surface of the head. The diameter of the bore reduces,to provide a stop face and a locking region of smaller diameter,within the head. The fastener is set by pulling the plug into the bore until the stop faces meet, to form a blind head, and then deforming the collar to force the body to bulge into the locking groove of the plug.
513639
Jeal Harvey Philip
Summerlin Frederick Arthur
Avdel Systems Limited
Ridout & Maybee Llp
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