IT990099B - Laminatoio a spina per tubi senza saldatura - Google Patents
Laminatoio a spina per tubi senza saldaturaInfo
- Publication number
- IT990099B IT990099B IT51771/73A IT5177173A IT990099B IT 990099 B IT990099 B IT 990099B IT 51771/73 A IT51771/73 A IT 51771/73A IT 5177173 A IT5177173 A IT 5177173A IT 990099 B IT990099 B IT 990099B
- Authority
- IT
- Italy
- Prior art keywords
- pin mill
- seamless pipes
- seamless
- pipes
- mill
- Prior art date
Links
- IHPYMWDTONKSCO-UHFFFAOYSA-N 2,2'-piperazine-1,4-diylbisethanesulfonic acid Chemical compound OS(=O)(=O)CCN1CCN(CCS(O)(=O)=O)CC1 IHPYMWDTONKSCO-UHFFFAOYSA-N 0.000 title 1
- 239000007990 PIPES buffer Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
- B21B25/06—Interchanging mandrels, fixing plugs on mandrel rods or cooling during interchanging mandrels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Metal Rolling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA148,540A CA960885A (en) | 1972-08-02 | 1972-08-02 | Device for inserting plugs in a plug mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT990099B true IT990099B (it) | 1975-06-20 |
Family
ID=4094019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT51771/73A IT990099B (it) | 1972-08-02 | 1973-08-01 | Laminatoio a spina per tubi senza saldatura |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3924435A (it) |
| JP (1) | JPS5035050A (it) |
| CA (1) | CA960885A (it) |
| CS (1) | CS203151B2 (it) |
| DE (1) | DE2339244A1 (it) |
| FR (1) | FR2194492B1 (it) |
| IT (1) | IT990099B (it) |
| RO (1) | RO65539A (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4028923A (en) * | 1976-05-04 | 1977-06-14 | Aetna-Standard Engineering Company | Plug and shoe changing in piercing and reeling mills |
| US4038854A (en) * | 1976-05-04 | 1977-08-02 | Aetna-Standard Engineering Company | Plug changer for plug mill |
| EP0698426A1 (de) * | 1994-08-18 | 1996-02-28 | MANNESMANN Aktiengesellschaft | Walzdornwechselvorrichtung für Stopfenwalzwerke |
| DE4431389C1 (de) * | 1994-08-25 | 1995-08-10 | Mannesmann Ag | Verfahren und Vorrichtung zum Setzen von Stopfen an Stopfenwalzwerken |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1537206A (en) * | 1923-03-17 | 1925-05-12 | Malcolm U Wikstrom | Tube-rolling method and apparatus |
| US2771800A (en) * | 1952-03-06 | 1956-11-27 | United States Steel Corp | Plug rolling mill |
| DE951001C (de) * | 1954-04-29 | 1956-10-18 | Schloemann Ag | Lochdornstopfen-, Wechsel- und Kuehlvorrichtung |
| US3277687A (en) * | 1963-09-09 | 1966-10-11 | Gen Mills Inc | Plug handling apparatus for seamless tube mill |
| BE715196A (it) * | 1967-05-18 | 1968-09-30 | ||
| DE2163818A1 (de) * | 1971-12-17 | 1973-06-20 | Mannesmann Roehren Werke Ag | Stopfen fuer rohrwalzwerk |
-
1972
- 1972-08-02 CA CA148,540A patent/CA960885A/en not_active Expired
-
1973
- 1973-07-26 US US382798A patent/US3924435A/en not_active Expired - Lifetime
- 1973-07-30 CS CS735416A patent/CS203151B2/cs unknown
- 1973-08-01 IT IT51771/73A patent/IT990099B/it active
- 1973-08-01 JP JP48086700A patent/JPS5035050A/ja active Pending
- 1973-08-01 FR FR7328157A patent/FR2194492B1/fr not_active Expired
- 1973-08-02 DE DE2339244A patent/DE2339244A1/de active Pending
- 1973-08-02 RO RO7375688A patent/RO65539A/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2194492B1 (it) | 1978-04-21 |
| USB382798I5 (it) | 1975-01-28 |
| FR2194492A1 (it) | 1974-03-01 |
| CA960885A (en) | 1975-01-14 |
| RO65539A (ro) | 1980-04-15 |
| US3924435A (en) | 1975-12-09 |
| CS203151B2 (cs) | 1981-02-27 |
| JPS5035050A (it) | 1975-04-03 |
| DE2339244A1 (de) | 1974-02-14 |
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