| Patents for B21B 19 - Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work (1,478) |
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| 12/09/1986 | CA1214952A1 Method of manufacturing hollow rods |
| 10/29/1986 | EP0199428A2 Manufacture of tubular members with at least one enlarged end |
| 09/24/1986 | EP0195583A2 Control of a cross helical rolling mill |
| 07/29/1986 | US4602493 Rolling mill for reducing the thickness of the wall of a tube |
| 06/03/1986 | US4592222 Device for the delivery and removal of the mandrel rods in skew and longitudinal rolling mills |
| 05/20/1986 | US4589268 Method of controlling mill pacing |
| 04/23/1986 | EP0178477A1 Method for producing seamless steel tubes with a great diameter |
| 04/01/1986 | US4579289 Skew roller for a planetary type skew rolling mill |
| 03/25/1986 | US4578626 Electrical control arrangement for a rolling mill drive motor of a rolling mill |
| 03/25/1986 | US4577481 Process for production of seamless tube and apparatus for processing seamless tube |
| 03/11/1986 | US4574606 Adjusting the rolls in a rolling mill with obliquely oriented, conically contoured rolls |
| 02/25/1986 | US4571970 Rolling mill plant for the manufacture of seamless tubes |
| 11/13/1985 | EP0161192A1 Adjusting method for a cross-rolling mill, and mill using this method |
| 10/09/1985 | EP0156922A1 Cross helical rolling mill for seamless steel tubes. |
| 08/21/1985 | EP0151976A2 Device and method for flow-turning |
| 06/25/1985 | CA1189364A1 Rotary rolling mill and method for rolling of tubular products |
| 05/28/1985 | CA1187726A1 Steel pipe rolling mill |
| 04/23/1985 | US4512173 Tube release rolling mills |
| 04/23/1985 | CA1185814A1 Method of piercing in seamless tube manufacturing |
| 04/16/1985 | US4510787 Method of manufacturing hollow rods |
| 04/11/1985 | WO1985001458A1 Inclined rolling mill |
| 03/26/1985 | US4506531 Control method and apparatus for screwing down reeling rolls |
| 02/26/1985 | US4501134 Rolling mill plants |
| 01/29/1985 | CA1181618A1 Seamless pipe manufacturing installation |
| 01/02/1985 | CA1180423A Control method and apparatus for screwing down reeling rolls |
| 12/27/1984 | EP0129497A2 Cross-rolling mill with conical rolls |
| 12/19/1984 | EP0128855A2 Loop guiding device for a three-high cross-rolling mill |
| 12/18/1984 | US4488419 Skew rolling mill for tubes |
| 11/13/1984 | CA1177682A1 Steel pipe rolling mill |
| 11/06/1984 | US4480455 Method and device for rolling tube to a smaller diameter |
| 11/06/1984 | US4480454 Skew-rolling mill for reducing solid and hollow cross-sections |
| 10/10/1984 | EP0121252A2 A method of rolling transverse ribbed tubes and a set of tools for rolling transverse ribbed tubes |
| 09/19/1984 | EP0119154A2 Rolling mill arrangement for the production of seamless steel pipes |
| 09/11/1984 | US4470282 Method of piercing in seamless tube manufacturing |
| 08/29/1984 | EP0116831A1 Electric control device for a roller drive motor of a pipe rolling mill |
| 08/21/1984 | CA1172880A1 Steel pipe rolling mill |
| 07/03/1984 | US4457152 Apparatus for changing the tapered rolls of a skew rolling mill |
| 06/13/1984 | EP0110194A2 Apparatus for reducing the wall of a tube by rolling |
| 06/05/1984 | US4452061 Seamless steel pipe manufacturing installation |
| 05/22/1984 | US4449386 Steel pipe rolling mill |
| 04/24/1984 | US4444035 Steel pipe rolling mill |
| 01/03/1984 | CA1159686A1 Process for manufacturing seamless metal tubes |
| 11/22/1983 | US4416134 Process for manufacturing seamless metal tubes |
| 10/18/1983 | US4409810 Process for manufacturing seamless metal tubes |
| 08/02/1983 | US4395896 Rotary rolling mill and method for rolling of tubular products |
| 08/02/1983 | US4395895 Skew rolling mill for reducing solid and hollow cross-sections |
| 07/19/1983 | US4393677 Plugs for use in piercing and elongating mills |
| 07/12/1983 | US4392369 Diagonal rolling of hollow stock |
| 06/14/1983 | US4387584 Steel pipe rolling mill |
| 06/07/1983 | CA1147615A1 Plugs for use in piercing and elongating mills |
| 12/29/1982 | EP0067906A2 Method for the production of seamless copper pipes |
| 07/14/1982 | EP0055781A1 Method for controlling the automatic rolling of pipes in a reeling mill |
| 01/21/1982 | WO1982000108A1 Method and apparatus for controlling the press of a reeling mill |
| 11/04/1981 | EP0039063A1 Rotary rolling mill and method for rolling of tubular products |
| 10/20/1981 | CA1110884A1 Method and apparatus for producing thin tubes in a skew-rolling mill |
| 02/03/1981 | CA1094787A1 Method of forming helically finned pipes and an apparatus for forming the same |
| 01/06/1981 | US4242894 Method and apparatus for producing thin tubes in a skew-rolling mill |
| 11/25/1980 | CA1090174A1 Inclined rolling stand |
| 10/29/1980 | EP0018056A1 A method and apparatus for rolling an elongated tube to a conical mast without the use of an internal mandrel |
| 07/15/1980 | US4212178 Rolling mill |
| 06/10/1980 | US4206622 Helical rolling mill roll line for producing die-rolled sections and solids of revolution |
| 05/13/1980 | US4202194 Inclined rolling stand |
| 12/04/1979 | CA1067318A1 Self-centering punch for billet centering machine or the like |
| 11/27/1979 | US4175414 Smoothing rolling mill |
| 09/11/1979 | US4167106 Method and apparatus for finish rolling workpieces of substantially circular cross-section to a selected diameter |
| 05/15/1979 | US4153982 Method and apparatus for forming cross ribbed pipes |
| 03/13/1979 | CA1050307A2 Plug and shoe changing in piercing and reeling mills |
| 12/19/1978 | CA1044493A1 Plug and shoe changing in piercing and reeling mills |
| 11/07/1978 | CA1041803A1 Piercing and reeling mill construction with removable cap |
| 10/10/1978 | US4118967 Apparatus for releasing drive assembly from roll neck and connecting same thereto |
| 08/01/1978 | US4103530 Self-centering punch for billet centering machine or the like |
| 03/14/1978 | US4078412 Support shoes and methods of supporting metal members such as seamless tubes |
| 08/30/1977 | US4044582 Work guide for pipe reeling machines and the like and process for treating the same |
| 07/26/1977 | US4037451 Piercing and reeling mill construction with removable cap |
| 07/12/1977 | US4034588 Methods of piercing and enlarging elongate metal members such as seamless tubes |
| 06/14/1977 | US4028923 Plug and shoe changing in piercing and reeling mills |
| 06/15/1976 | US3962897 Metal working apparatus and methods of piercing |
| 03/02/1976 | US3941184 Apparatus for manufacturing seamless metal tubular products |