Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Including sleeve and distinct tapered expander
Patent
1989-05-15
1990-05-01
Lindsey, Rodney M.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Including sleeve and distinct tapered expander
411 72, F16B 1306
Patent
active
049213830
ABSTRACT:
An expansible plug made of a plastic material located in a drilled hole in masonry for receiving a fastening screw and comprising expansible legs having at the expansible end thereof outer notches of a reduced depth.
REFERENCES:
patent: 777399 (1904-12-01), Church
fischerwerke Artur Fischer GmbH & Co. KG
Lindsey Rodney M.
Striker Michael J.
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