Improvements in or connected with Fireproof Floors, Ceilings, Roofs and similar Structures.
Номер патента: GB190705543A
Опубликовано: 12-12-1907
Автор(ы): Joseph Fowler Cowper
Принадлежит: Individual
Опубликовано: 12-12-1907
Автор(ы): Joseph Fowler Cowper
Принадлежит: Individual
Реферат: 5543. Cowper, J. F. March 7. Floors ; ceilings ; roofs.-Relates to fire-proof floors, ceilings, roofs, &c. of the type in which blocks are supported by concrete joists, reinforced by bars suspended from the main girders. The terra-cotta or similar blocks a are undercut and grooved to form recesses and keys for a concrete filling f, which is reinforced by metal bars c supported by stirrups d hung over the main girders. The stirruns are of the form described in Specification No. 25,724, A.D. 1906.
Improvements in and connected with electro magnetic switches for controlling the circuits of train-lighting and similar installations
Номер патента: GB180049A. Автор: . Владелец: J Stone and Co Ltd. Дата публикации: 1922-05-17.