DE221793C - - Google Patents
Info
- Publication number
- DE221793C DE221793C DENDAT221793D DE221793DA DE221793C DE 221793 C DE221793 C DE 221793C DE NDAT221793 D DENDAT221793 D DE NDAT221793D DE 221793D A DE221793D A DE 221793DA DE 221793 C DE221793 C DE 221793C
- Authority
- DE
- Germany
- Prior art keywords
- jacket
- core
- pipes
- ribs
- ring pieces
- 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
- 210000000614 Ribs Anatomy 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 3
- 229910000754 Wrought iron Inorganic materials 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 208000001848 Dysentery Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE221793C true DE221793C (pt) |
Family
ID=482741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT221793D Active DE221793C (pt) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE221793C (pt) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5146998A (en) * | 1990-05-11 | 1992-09-15 | Qed Environmental Systems, Inc. | Apparatus and method for underground sampling |
| US6230820B1 (en) | 1997-12-16 | 2001-05-15 | Kent E. Cordry | Universal drive point device |
-
0
- DE DENDAT221793D patent/DE221793C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5146998A (en) * | 1990-05-11 | 1992-09-15 | Qed Environmental Systems, Inc. | Apparatus and method for underground sampling |
| US6230820B1 (en) | 1997-12-16 | 2001-05-15 | Kent E. Cordry | Universal drive point device |
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