DE1964725B2 - Rohrwalzapparat - Google Patents
RohrwalzapparatInfo
- Publication number
- DE1964725B2 DE1964725B2 DE19691964725 DE1964725A DE1964725B2 DE 1964725 B2 DE1964725 B2 DE 1964725B2 DE 19691964725 DE19691964725 DE 19691964725 DE 1964725 A DE1964725 A DE 1964725A DE 1964725 B2 DE1964725 B2 DE 1964725B2
- Authority
- DE
- Germany
- Prior art keywords
- pipe
- rolling apparatus
- sleeve
- rolling
- housing
- 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.)
- Granted
Links
- 238000009785 tube rolling Methods 0.000 title claims description 10
- 238000005096 rolling process Methods 0.000 claims description 68
- 230000007704 transition Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/06—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/08—Tube expanders
- B21D39/10—Tube expanders with rollers for expanding only
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6914642A NL159026B (nl) | 1969-09-26 | 1969-09-26 | Pijpwals. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1964725A1 DE1964725A1 (de) | 1971-04-08 |
| DE1964725B2 true DE1964725B2 (de) | 1974-06-12 |
| DE1964725C3 DE1964725C3 (enrdf_load_stackoverflow) | 1975-01-16 |
Family
ID=19808001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691964725 Granted DE1964725B2 (de) | 1969-09-26 | 1969-12-23 | Rohrwalzapparat |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1964725B2 (enrdf_load_stackoverflow) |
| NL (1) | NL159026B (enrdf_load_stackoverflow) |
-
1969
- 1969-09-26 NL NL6914642A patent/NL159026B/xx not_active IP Right Cessation
- 1969-12-23 DE DE19691964725 patent/DE1964725B2/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE1964725C3 (enrdf_load_stackoverflow) | 1975-01-16 |
| DE1964725A1 (de) | 1971-04-08 |
| NL6914642A (enrdf_load_stackoverflow) | 1971-03-30 |
| NL159026B (nl) | 1979-01-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |