Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Including settable material – Adhesive encapsulated
Patent
1989-01-09
1990-01-16
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Including settable material
Adhesive encapsulated
411258, 405260, 52704, F16B 3900, F16B 3902
Patent
active
048939749
ABSTRACT:
The composite plug for mounting objects in holes drilled in masonry and the like comprises a plug body having a screw passage for receiving a mounting screw and an expanding region expandable by insertion of the mounting screw, the plug body being provided with outlet openings for mortar introduced into the plug body, channels forming guiding surfaces in the screw passage, the guiding surfaces leading to the outlet openings and subdividing the screw passage into a front region and a rear region, and grooves forming longitudinal channels extending along an outside of the plug body, the outlet openings merging into the logitudinal channels. The outlet openings are located in the front region and the screw passage has a portion with an increased diameter. A stopper which is insertable in the portion of the screw passage of increased diameter is provided and formed as a hollow member. The stopper has openings which are in a alignment with the outlet openings.
REFERENCES:
patent: 3308585 (1967-03-01), Fischer
patent: 4050202 (1977-09-01), Fischer et al.
patent: 4063582 (1977-12-01), Fischer
patent: 4712957 (1987-12-01), Edwards et al.
Fischer Artur
Fischer Jorg
fischerwerke Artur Fischer GmbH & Co. KG
Striker Michael J.
Wilson Neill R.
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