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US 4,893,974 AGranted
Composite plug for mounting objects in a drilled hole in masonry
Assigneefischerwerke Artur Fischer GmbH & Co. KG
InventorsArtur Fischer, Jorg Fischer
Life of this patent
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Assigneefischerwerke Artur Fischer GmbH & Co. KG
InventorsArtur Fischer, Jorg Fischer
Estimating the term…
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.
A plug, comprising a plug body having a screw passage for receiving a mounting screw and an expanding region expandable by insertion of said mounting screw, said screw passage having a portion with an increased diameter, said plug body being provided with outlet openings for mortar introduced into said plug body;
A plug, comprising a plug body having a screw passage for receiving a mounting screw with a portion and an expanding region expandable by insertion of said mounting screw, said plug body being provided with outlet openings for mortar introduced into said plug body;
A plug, comprising a plug body having a screw passage for receiving a mounting screw and an expanding region expandable by insertion of said mounting screw, said plug body being provided with outlet openings for mortar introduced into said plug body;
Dependencies are inferred from the claim text.