GB319777A - Improvements in or relating to moulding processes and moulds made thereby - Google Patents

Improvements in or relating to moulding processes and moulds made thereby

Info

Publication number
GB319777A
GB319777A GB28803/29A GB2880329A GB319777A GB 319777 A GB319777 A GB 319777A GB 28803/29 A GB28803/29 A GB 28803/29A GB 2880329 A GB2880329 A GB 2880329A GB 319777 A GB319777 A GB 319777A
Authority
GB
United Kingdom
Prior art keywords
moulds
cement
relating
mixture
moulding processes
Prior art date
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
GB28803/29A
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.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB319777A publication Critical patent/GB319777A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/18—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of inorganic agents
    • B22C1/181—Cements, oxides or clays

Abstract

319,777. Durand, J. B. Sept. 29, 1928, [Convention date]. Mould and core materials comprise sand and Portland or other hydraulic cement with such quantity of water that the mixture will bind but does not become pasty. The mixture can be moulded without great pressure or ramming and hardens without stoving. The moulds may be treated with blackwash or painted with a thin plaster or cement such as the aluminous cement known as " ciment fondu." The old moulds are ground and used with more cement for making other moulds.
GB28803/29A 1928-09-29 1929-09-23 Improvements in or relating to moulding processes and moulds made thereby Expired GB319777A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR319777X 1928-09-29

Publications (1)

Publication Number Publication Date
GB319777A true GB319777A (en) 1930-12-23

Family

ID=8889936

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28803/29A Expired GB319777A (en) 1928-09-29 1929-09-23 Improvements in or relating to moulding processes and moulds made thereby

Country Status (1)

Country Link
GB (1) GB319777A (en)

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