Expansible plug

F - Mech Eng,Light,Heat,Weapons – 16 – B

Patent

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Details

F16B 13/06 (2006.01) F16B 13/04 (2006.01)

Patent

CA 2185395

In an expansible plug consisting of an expansible sleeve (1) that has a plurality of longitudinal slots (4) that start from the front end (2) of the expansible sleeve (1) and extend along a portion of the length thereof, and of a threaded bolt (5) that has at its front end an expansion cone (6), it is proposed, in order to improve the compressible zone, to form the latter by a plurality of sickle-shaped cut-outs (10, 11) that are arranged spaced one from another circumferentially and axially, the ends (12) of the cut-outs pointing towards one another axially and overlapping one another circum- ferentially in meandering formation to form bending webs (13). Accordingly, on compression of the expansible sleeve (1), radial buckling which impairs the function of the expansible plug is avoided.

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