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Herbert Berry
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11,956. Berry, H. May 23. Concretes. - Reinforced concrete consisting of a mixture of two parts of coke breeze, clinker, pottery refuse, or brickdust with about one part of Portland cement, with or without slagwool, is used either as a fire-resisting lining for an earthenware chimney pot or to form a complete pot. As shown in Fig. 1, the metal framework consists of rods a and rings b which surround alternate rods. To assist in fixing the pot, the rods may have extensions, looped or otherwise, which are embedded in the mortar when setting the pot, and a groove d may also be formed around the lower end of the pot.
GB190711956D1907-05-231907-05-23Improvements relating to Chimney Pots
ExpiredGB190711956A
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