BE523412A - - Google Patents
Info
- Publication number
- BE523412A BE523412A BE523412DA BE523412A BE 523412 A BE523412 A BE 523412A BE 523412D A BE523412D A BE 523412DA BE 523412 A BE523412 A BE 523412A
- Authority
- BE
- Belgium
- Prior art keywords
- mandrel
- blank
- steel
- cavity
- formation
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K5/00—Making tools or tool parts, e.g. pliers
- B21K5/02—Making tools or tool parts, e.g. pliers drilling-tools or other for making or working on holes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE523412A true BE523412A (enrdf_load_stackoverflow) |
Family
ID=158370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE523412D BE523412A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE523412A (enrdf_load_stackoverflow) |
-
0
- BE BE523412D patent/BE523412A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7621323B2 (en) | Solid expandable tubular members formed from very low carbon steel and method | |
| US4771811A (en) | Heavy wall drill pipe and method of manufacture of heavy wall drill pipe | |
| WO1997031176A1 (en) | Shank adapter | |
| JP4366044B2 (ja) | ツイストドリル | |
| US4487357A (en) | Method for forming well drill tubing | |
| DE60319546T2 (de) | Schmiedeschweissen von hochleistungsrohren | |
| US2405298A (en) | Twist drill | |
| US6371224B1 (en) | Threaded spacer | |
| US4674171A (en) | Heavy wall drill pipe and method of manufacture of heavy wall drill pipe | |
| US3295613A (en) | Composite drill rod and method for making the same | |
| BE523412A (enrdf_load_stackoverflow) | ||
| IE52392B1 (en) | Composite metallic forging | |
| CA1333652C (en) | Method of forming a screw thread and tubular body with a screw thread | |
| US2258751A (en) | Method of making welded tool joints | |
| JPS60261888A (ja) | 肉厚ドリルパイプ | |
| US2590766A (en) | Method of forming tool blanks | |
| JPS6360081A (ja) | 燃料噴射高圧管の製造方法 | |
| CN1194328A (zh) | 非标准尺寸整体接头石油套管生产工艺 | |
| CA2369266A1 (en) | Process for the manufacture of a cylindrical pipe | |
| CN209477199U (zh) | 一种用于消除钻杆母接头锻造大圆角的模具结构 | |
| CN111014329B (zh) | 一种铝合金无缝管无间隙挤压方法 | |
| SU580046A1 (ru) | Способ изготовлени спиральных сверл | |
| US1390746A (en) | Process of making cored tubular bodies | |
| JPS6035205B2 (ja) | いおう快削鋼の継目無鋼管製造方法 | |
| CH240643A (fr) | Procédé de fabrication de soupapes creuses pour moteurs à combustion. |