| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17881580AJPS6035206B2 (en) | 1980-12-19 | 1980-12-19 | Seamless steel pipe manufacturing method |
| JP627981AJPS57121811A (en) | 1981-01-21 | 1981-01-21 | Rolling method for seamless steel pipe |
| Publication Number | Publication Date |
|---|---|
| IT8125652A0 IT8125652A0 (en) | 1981-12-17 |
| IT1142117Btrue IT1142117B (en) | 1986-10-08 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT25652/81AIT1142117B (en) | 1980-12-19 | 1981-12-17 | METHOD FOR THE MANUFACTURE OF STEEL PIPES WITHOUT WELDING |
| Country | Link |
|---|---|
| CA (1) | CA1179170A (en) |
| DE (1) | DE3149646A1 (en) |
| FR (1) | FR2496505B1 (en) |
| GB (1) | GB2089702B (en) |
| IT (1) | IT1142117B (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3236892A1 (en)* | 1982-10-01 | 1984-04-05 | Mannesmann AG, 4000 Düsseldorf | ROLLING MILL FOR THE PRODUCTION OF THIN-WALLED SEAMLESS TUBES |
| CA1247885A (en)* | 1983-08-02 | 1989-01-03 | Dezsoe A. Pozsgay | Seamless tube mill |
| DE3536046A1 (en)* | 1985-10-09 | 1987-04-16 | Kocks Technik | METHOD, SYSTEM AND ROLLING MILL FOR THE PRODUCTION OF SEAMLESS TUBES |
| JP2924523B2 (en)* | 1992-12-11 | 1999-07-26 | 住友金属工業株式会社 | Elongation rolling method of metal tube by mandrel mill |
| US5799726A (en)* | 1996-01-23 | 1998-09-01 | Frank; Jimmy I. | Refrigerated mixing chamber and method for making same |
| MX2012007817A (en)* | 2010-01-05 | 2012-11-30 | Sms Innse Spa | Tube rolling plant. |
| CN115461166A (en)* | 2020-04-30 | 2022-12-09 | 杰富意钢铁株式会社 | Inclined rolling equipment, method for manufacturing seamless billet, and method for manufacturing seamless steel pipe |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4037449A (en)* | 1976-07-30 | 1977-07-26 | Aetna-Standard Engineering Company | Continuous flow plug mill system |
| GB1575859A (en)* | 1977-04-18 | 1980-10-01 | Aetna Standard Eng Co | Process for the production of seamless tubular products |
| US4318294A (en)* | 1978-12-29 | 1982-03-09 | Nippon Steel Corporation | Method of manufacturing seamless metal pipes and tubes |
| Publication number | Publication date |
|---|---|
| GB2089702B (en) | 1984-08-30 |
| FR2496505A1 (en) | 1982-06-25 |
| GB2089702A (en) | 1982-06-30 |
| CA1179170A (en) | 1984-12-11 |
| FR2496505B1 (en) | 1985-07-19 |
| DE3149646A1 (en) | 1982-08-12 |
| IT8125652A0 (en) | 1981-12-17 |
| DE3149646C2 (en) | 1987-07-23 |
| Publication | Publication Date | Title |
|---|---|---|
| IT1155144B (en) | PERFORATION PROCEDURE FOR THE MANUFACTURE OF PIPES WITHOUT WELDING | |
| IT1219156B (en) | PROCESS FOR THE MANUFACTURE OF PIPES WITHOUT WELDING | |
| IT1140335B (en) | INSTALLATION FOR THE MANUFACTURE OF STEEL PIPES WITHOUT WELDING | |
| IT1139174B (en) | CONNECTION FOR THE CONNECTION OF PIPES | |
| IT1235217B (en) | HARDENING PROCESS AND EQUIPMENT FOR STEEL PIPES. | |
| IT1171275B (en) | JOINT FOR PIPES | |
| IT1139407B (en) | STRAIGHTENING EQUIPMENT FOR STEEL AND SIMILAR TUBES | |
| IT1155036B (en) | EQUIPMENT FOR STEEL PRODUCTION | |
| FI885335A0 (en) | Method for drawing seamless metal pipes | |
| IT1173609B (en) | PROCESS FOR THE PRODUCTION OF STEEL PIPES WITHOUT WELDING | |
| IT1169270B (en) | CONDITIONING LINE FOR STEEL PIPES | |
| IT1144404B (en) | PROCESS FOR THE MANUFACTURE OF METAL TUBES WITHOUT WELDING | |
| IT1151206B (en) | PROCESS FOR THE MANUFACTURE OF STEEL PIPES WITHOUT WELDING FOR THE OIL INDUSTRY | |
| IT1127783B (en) | METHOD FOR THE MANUFACTURE OF SEAMLESS METAL PIPES | |
| IT8421254A0 (en) | IMPROVED EQUIPMENT FOR AUTOMATIC WELDING OF PIPES. | |
| IT1142117B (en) | METHOD FOR THE MANUFACTURE OF STEEL PIPES WITHOUT WELDING | |
| IT1168096B (en) | CONTINUOUS CROSS-CAGE ROLLING MACHINE FOR THE PRODUCTION OF PIPES WITHOUT WELDING | |
| IT8248380A0 (en) | PROCEDURE FOR EXPLOSION PIPE WELDING | |
| IT1135063B (en) | COOLING METHOD FOR STEEL PIPES | |
| IT1135448B (en) | OBLIQUE ROLLING MACHINE FOR THE PRODUCTION OF PIPES WITHOUT WELDING | |
| IT1200683B (en) | FLOW REDUCER FOR DIGUID PIPES | |
| IT8567423A0 (en) | WELDING PROCEDURE PARTICULARLY FOR THE WELDING OF PIPE | |
| IT1152071B (en) | ROLLING MACHINE FOR STEEL PIPES | |
| IT1152072B (en) | APPARATUS FOR PREHEATING THE ENDS OF UPPER STEEL PIPES | |
| IT1239991B (en) | PROCESS FOR THE MANUFACTURE OF PIPES WITHOUT WELDING |
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 | Effective date:19961227 |