Metal working – Method of mechanical manufacture – Repairing
Patent
1991-06-18
1992-07-14
Eley, Timothy V.
Metal working
Method of mechanical manufacture
Repairing
2940218, 295251, 295271, B23P 700
Patent
active
051291355
ABSTRACT:
An exterior material, such as a tile, which is likely to flake due to cracks or other possible defects in the wall base of a concrete structure, can be effectively repaired by boring an anchor hole extending from the surface of the exterior material to the concrete wall base, and inserting and expanding an expansion anchor bolt in the anchor hole. By using a drilling device capable of spouting out a cooling fluid while drilling, even hard nonmetallic material, such as ceramic tile, can be effectively bored to form a suitable anchor hole.
REFERENCES:
patent: 2400142 (1946-05-01), Tinnerman
patent: 2804797 (1957-09-01), Seely
patent: 4034462 (1977-07-01), Hentges
patent: 4235151 (1980-11-01), Udert et al.
patent: 4719552 (1990-04-01), Crawford
Eley Timothy V.
Yoshino Seiki Inc.
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