in brick walls, cement, etc., characterized in that it consists of a cylindrical block that, on one of its ends, has started a perforation in which the nail to be inserted is pointed; at the other end it has two longitudinal cuts perpendicular to each other, and towards two thirds of ...
7453. [Class 89 (ii)] A device for use in fixing woodwork 7, e.g., door or window frames to brick, cement or like walls 6 comprises a metal plate 1 which is cemented and keyed in the wall and is provided with spikes 2 extending from one edge of the plate and substantially in ...
3951. Harding, W. Feb. 25. Brackets.-A holdfast for securing round and square down-pipes to brick walls consists of a plate A provided with lugs. The vertical lugs and central portion are perforated with holes so arranged that two or more holes always lie over a joint or joints in the...