Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
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Dempster Robert and Sons Ltd
Original Assignee
Dempster Robert and Sons Ltd
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Filing date
Publication date
Application filed by Dempster Robert and Sons LtdfiledCriticalDempster Robert and Sons Ltd
Application grantedgrantedCritical
Publication of GB190828201ApublicationCriticalpatent/GB190828201A/en
Casting Support Devices, Ladles, And Melt Control Thereby
(AREA)
Abstract
28,201. Dempster & Sons, R., and Toogood, K. J. Dec. 28. Drawings to Specification. Sliding valves.-A valve controlling a passage between two gas retorts comprises disks which when inserted into the passage are forced against their seats by a conical head.
GB190828201D1908-12-281908-12-28Improvements in or in connection with Vertical Retorts.
ExpiredGB190828201A
(en)