238000009750 centrifugal casting Methods 0.000 description 6.238000004519 manufacturing process Methods 0.000 title description 11.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by LUCIEN I YEOMANS Inc filed Critical LUCIEN I YEOMANS Inc Priority to US138121A priority Critical patent/US2212383A/en Application granted granted Critical Publication of US2212383A publication Critical patent/US2212383A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee LUCIEN I YEOMANS Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US138121A Inventor Lucien I Yeomans Current Assignee (The listed assignees may be inaccurate. Google Patents Method of making metal casings and product thereofÄownload PDF Info Publication number US2212383A US2212383A US138121A US13812137A US2212383A US 2212383 A US2212383 A US 2212383A US 138121 A US138121 A US 138121A US 13812137 A US13812137 A US 13812137A US 2212383 A US2212383 A US 2212383A Authority US United States Prior art keywords metal annulus wall section casing Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US2212383A - Method of making metal casings and product thereof US2212383A - Method of making metal casings and product thereof
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