DE199809C - - Google Patents

Info

Publication number

DE199809C

DE199809C DENDAT199809D DE199809DA DE199809C DE 199809 C DE199809 C DE 199809C DE NDAT199809 D DENDAT199809 D DE NDAT199809D DE 199809D A DE199809D A DE 199809DA DE 199809 C DE199809 C DE 199809C

Authority

DE

Germany

Prior art keywords

molding

ring

model

box

mold

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.)

Active

Links

• Espacenet
• Global Dossier
• DPMA
• Discuss

• 238000000465 moulding Methods 0.000 claims description 18
• 238000004519 manufacturing process Methods 0.000 claims description 4
• 238000000034 method Methods 0.000 description 4
• 238000013459 approach Methods 0.000 description 2
• 239000002184 metal Substances 0.000 description 2
• 239000011505 plaster Substances 0.000 description 2
• OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
• ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
• 238000005266 casting Methods 0.000 description 1
• 239000011507 gypsum plaster Substances 0.000 description 1
• 238000003780 insertion Methods 0.000 description 1
• 230000037431 insertion Effects 0.000 description 1
• 239000003110 molding sand Substances 0.000 description 1
• 230000000284 resting effect Effects 0.000 description 1
• 239000004576 sand Substances 0.000 description 1