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 ...
the same blistering of paint and plaster may be apparent,” he says. “If the concrete or masonry foundation walls are exposed without furred-out interior finishes, active water may be entering from the soil-side within cracks or joints. After the active water evaporates, stains and efflorescenc...
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...