Expansible plug assembly to be anchored in a hole drilled in mas

Details Expansible plug assembly to be anchored in a hole drilled in mas Expansible plug assembly to be anchored in a hole drilled in mas

1990-01-16

1991-03-26

Wilson, Neill R.

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

Having separate expander means

Including sleeve and distinct tapered expander

411 60, 411 72, F16B 1306

Patent

active

050024450

ABSTRACT:
An expansible plug assembly that comprises a fixing bolt, and an expansible sleeve having an expansible portion and an internal thread formed in the expansible portion and engaged with the external thread of the fixing bolt, so that a reliable connection between the fixing bolt and the expansible sleeve is formed.

REFERENCES:
patent: 2010553 (1935-08-01), McIntosh
patent: 2026686 (1936-01-01), Kirley
patent: 2470924 (1949-05-01), Flogaus
patent: 3143917 (1964-08-01), Conner
patent: 4893973 (1990-01-01), Herb

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