Expansible plug

Details Expansible plug Expansible plug

1994-05-03

1995-07-11

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having separate expander means

Including sleeve and distinct tapered expander

411 32, 411 60, F16B 1306

Patent

active

054315166

ABSTRACT:
An expansible plug comprises a closed shank section formed as a shank sleeve provided with a screw channel and a longitudinal divided expansible shank, the shank being formed by two shank halves provided with staggered expansible elements which interlock to form a closed expansion region, the expansible elements being offset relative to one another and having bores arranged eccentrically relative to a center line of the expansible shank and overlapping so that an overlapping region forms a constricted screw channel, the expansion region tapering conically toward a plug tip, and one of the shank halves being connected to the shank sleeve in a joining region by a secure joint.

REFERENCES:
patent: 2147357 (1939-02-01), Scholtes
patent: 5143497 (1992-09-01), Haage
patent: 5288189 (1994-02-01), Hepworth

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