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Hugo Sack
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Individual
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Individual
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Publication of GB190825538ApublicationCriticalpatent/GB190825538A/en
25,538. Sack, H. Nov. 26. Rolling.-I - bars with parallel flanges are produced by first rolling bars with the ordinary tapered flanges and then acting on these flanges with members, such as rolls, with parallel surfaces which are pressed simultaneously against the inner and outer surfaces and the edges of the flanges, and thereby force the metal inwards and laterally. To prevent the formation of fins the outer edges of the flanges may be bevelled at d.
GB190825538D1908-11-261908-11-26An Improved Manufacture of I-girders with Parallel Flanges.
ExpiredGB190825538A
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