F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
85/23
F16B 13/04 (2006.01) B21D 39/06 (2006.01) F16B 13/08 (2006.01) F16B 19/14 (2006.01)
Patent
CA 1089683
ABSTRACT OF THE DISCLOSURE This invention relates to a fastener driven into a heavy walled, ferrous or non-ferrous metal workpiece having a cylindrical cavity in which is disposed a solid metal cylinder having one or more bore holes each forming an acute angle with the axis of the cylinder ex- tending through the cylinder from one end face to and through the cylindrical wall adjacent to the other end face and in which there is lodged a spent projectile which has been fired into the bore hole having a bulged extention wedged between and deforming the adjacent surface of the workpiece cavity and cylinder, thereby lock- ing together the projectile, workpiece and cylinder. The cylinder may be provided with a circumferential recess housing a sealing gasket, such as an O-ring providing a pressure tight seal between the cylinder and workpiece.
304814
Herman Hainbuchner
Ridout & Maybee Llp
LandOfFree
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