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Improvements in expansion sockets for bolts for building and engineering purposes. Noel Phillips, February 25, 1932: GB367547-A (3 worldwide citation)

367,547. Anchoring bolts. PHILLIPS, N., Karachi, Upton Road, Bexleyheath, Kent. Feb. 9, 1931, No. 3988. [Class 89 (i).] Bolts are secured by a relatively soft member 4 which is placed on the bolt head and expanded so as to bite into the walls of the hole by means of a harder member 7, such as a tape ...


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Improvements in expansion sockets for bolts for building and engineering purposes. Noel Phillips, October 28, 1935: GB437297-A (1 worldwide citation)

437,297. Expansion sockets. PHILLIPS, N., Karachi, Upton Road, Bexleyheath, Kent. April 27, 1934, No. 12770. Addition to 367,547. [Class 89 (i)] In a wall expansion socket as described in the parent Specification, the expansible member 3 is provided with longitudinal slits 4 to facilitate its expans ...



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