Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Including settable material – Adhesive encapsulated
Patent
1996-09-17
1998-03-31
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Including settable material
Adhesive encapsulated
411258, 411930, 4052596, F16B 3900, F16B 3902
Patent
active
057330832
ABSTRACT:
An adhesive insert anchor including an anchor body and a screw member for insertion into a drilled hole in a substrate containing an adhesive. The anchor body further including an integral friction segment and an adhesion segment. The friction segment includes an internally threaded cavity in which to receive the screw member and a knurled portion. The adhesion segment includes a cylindrical section and a plurality of saucer-shaped buttons positioned along its length ending with a terminal button. The buttons on the adhesion segment provide greater surface area for contact between the adhesive and the anchor. The friction segment has an external diameter substantially the same as the diameter of the hole drilled in the substrate, thereby providing a friction fit between the anchor body and the walls of the substrate hole. The external diameter of the adhesion segment is smaller than the external diameter of the friction segment so that when the anchor body is inserted into the hole in the substrate, there is space between the adhesion segment and the walls of the hole which is completely filled by adhesive so as to securely bond the anchor body with the substrate. The friction fit of the friction segment maintains the adhesion segment of the anchor body a proper distance from the bottom of the substrate hole and provides for light-duty loading of the anchor while the adhesive cures.
REFERENCES:
patent: 4430025 (1984-02-01), Giavatta
patent: 4993900 (1991-02-01), Hugel et al.
patent: 5483781 (1996-01-01), Ernst et al.
patent: 5562377 (1996-10-01), Gannuzzi et al.
Catalano Frank J.
United Industries Corporation
Wilson Neill R.
Zingerman Scott R.
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