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
GB25706/23A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eckert Oppelt & Cie GmbH
Original Assignee
Eckert Oppelt & Cie GmbH
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 as to the accuracy of the date listed.)
B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
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Engineering & Computer Science
(AREA)
Chemical & Material Sciences
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Materials Engineering
(AREA)
Mechanical Engineering
(AREA)
Soft Magnetic Materials
(AREA)
Mold Materials And Core Materials
(AREA)
Abstract
206,135. Eckert, Opfelt, et Cie, Ges. Oct. 30, 1922, [Convention date]. Addition to 189,781. Core materials.-The core material described in the parent Specification is modified by the addition of calcined aluminium oxide. The Specification as open to inspection under Sect. 91 (3) (a) stated that the core may consist wholly of calcined aluminium oxide and a binding agent. The subject-matter does not appear in the Specification as accepted.
GB25706/23A1922-10-301923-10-15Improvements in cores for steel castings
ExpiredGB206135A
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