B - Operations – Transporting – 21 – J
Patent
B - Operations, Transporting
21
J
26/100
B21J 15/04 (2006.01) B21J 15/02 (2006.01) B21J 15/06 (2006.01) B21J 15/10 (2006.01)
Patent
CA 2012152
ABSTRACT Apparatus for the pull-through blind installation of a headless tubular ferrule in a hole in a workpiece at a position therealong spaced from the nearer face of the workpiece, comprises an annular anvil for supporting the ferrule inside the workpiece hole; anvil supporting means for initially supporting the anvil at a position inside the workpiece hole; a mandrel having a stem extending through the anvil aperture, and an enlarged head; pneumattically-operated retraction means for retracting the mandrel stem through the anvil aperture thereby to draw the mandrel head into the adjacent part of the bore of the ferrule whilst the ferrule is supported inside the workpiece hole by the annular anvil, thereby to enlarge the part of the ferrule more remote from the anvil into engagement with the workpiece; and pneumatically-operated withdrawal means for withdrawing the anvil away from the ferrule to allow the mandrel head to be withdrawn completely through the remainder of the bore of the ferrule, to complete installation of the ferrule. P.336
Denham Keith
Miles Michael
Avdel Systems Limited
Ridout & Maybee Llp
LandOfFree
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