DE197507C - - Google Patents
Info
- Publication number
- DE197507C DE197507C DENDAT197507D DE197507DA DE197507C DE 197507 C DE197507 C DE 197507C DE NDAT197507 D DENDAT197507 D DE NDAT197507D DE 197507D A DE197507D A DE 197507DA DE 197507 C DE197507 C DE 197507C
- Authority
- DE
- Germany
- Prior art keywords
- piston
- core
- impact piston
- mouthpiece
- impact
- 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
- 239000004576 sand Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C13/00—Moulding machines for making moulds or cores of particular shapes
- B22C13/12—Moulding machines for making moulds or cores of particular shapes for cores
- B22C13/16—Moulding machines for making moulds or cores of particular shapes for cores by pressing through a die
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/106—Vented or reinforced cores
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE197507C true DE197507C (enrdf_load_stackoverflow) |
Family
ID=460388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT197507D Active DE197507C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE197507C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT197507D patent/DE197507C/de active Active
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