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Expired
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Emil Seyer
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Individual
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Individual
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Publication of GB191304404ApublicationCriticalpatent/GB191304404A/en
B22C9/10—Cores; Manufacture or installation of cores
B22C9/101—Permanent cores
Abstract
4404. S e y e r, E. March 25, 1912, [Convention date]. Moulds; cores.- A mould for chillcasting t u b u l a r artioles comprises top and bottom plates retaining a two-part outer portion and a threepart metal core b recessed into the bottom plate and located by pins g. Recesses d are formed to receive sand. The g a t e may be arranged as shown.
GB191304404D1912-03-251913-02-20Improvements in or relating to Moulds for Castings.
ExpiredGB191304404A
(en)