DE255127C - - Google Patents

Info

Publication number

DE255127C

DE255127C DENDAT255127D DE255127DA DE255127C DE 255127 C DE255127 C DE 255127C DE NDAT255127 D DENDAT255127 D DE NDAT255127D DE 255127D A DE255127D A DE 255127DA DE 255127 C DE255127 C DE 255127C

Authority

DE

Germany

Prior art keywords

sand

molding

bed

excavator

sand bed

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

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• Global Dossier
• DPMA
• Discuss

• 239000004576 sand Substances 0.000 claims description 16
• 239000003110 molding sand Substances 0.000 claims description 9
• 238000000465 moulding Methods 0.000 claims description 4
• 238000004519 manufacturing process Methods 0.000 claims 1
• 238000005266 casting Methods 0.000 description 4
• 238000002360 preparation method Methods 0.000 description 4
• 239000012535 impurity Substances 0.000 description 3
• 230000001419 dependent effect Effects 0.000 description 2
• 229910001018 Cast iron Inorganic materials 0.000 description 1
• 229910000831 Steel Inorganic materials 0.000 description 1
• 238000009412 basement excavation Methods 0.000 description 1
• 230000002950 deficient Effects 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000004898 kneading Methods 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 238000007873 sieving Methods 0.000 description 1
• 239000002689 soil Substances 0.000 description 1
• 239000010959 steel Substances 0.000 description 1
• 238000003971 tillage Methods 0.000 description 1