DE239569C - - Google Patents

Info

Publication number

DE239569C

DE239569C DENDAT239569D DE239569DA DE239569C DE 239569 C DE239569 C DE 239569C DE NDAT239569 D DENDAT239569 D DE NDAT239569D DE 239569D A DE239569D A DE 239569DA DE 239569 C DE239569 C DE 239569C

Authority

DE

Germany

Prior art keywords

mold

core pieces

casting

manhole ring

ring parts

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.)

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• 239000002184 metal Substances 0.000 claims description 11
• 229910052751 metal Inorganic materials 0.000 claims description 11
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
• 238000004519 manufacturing process Methods 0.000 claims description 10
• 238000005266 casting Methods 0.000 claims description 9
• 229910052742 iron Inorganic materials 0.000 claims description 5
• 229910000831 Steel Inorganic materials 0.000 claims description 2
• 239000010959 steel Substances 0.000 claims description 2
• 238000013459 approach Methods 0.000 claims 2
• 230000001174 ascending effect Effects 0.000 claims 1
• 230000015572 biosynthetic process Effects 0.000 claims 1
• 230000002787 reinforcement Effects 0.000 claims 1
• 239000004576 sand Substances 0.000 claims 1
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
• 229910001018 Cast iron Inorganic materials 0.000 description 1
• 241000182341 Cubitermes group Species 0.000 description 1
• 229910052799 carbon Inorganic materials 0.000 description 1
• 238000003754 machining Methods 0.000 description 1
• 238000005303 weighing Methods 0.000 description 1