| Patents for B21B 21 - Pilgrim-step tube-rolling (473) |
|---|
| 01/04/1989 | CN1030035A Transmission of cold-rolling mill |
| 12/29/1988 | WO1988010160A1 Drive mechanism for cold pilger rolling mills |
| 11/23/1988 | CN88101739A Method for manufacturing tubes, bars and strips |
| 11/10/1988 | DE3808681C1 Turning and feed device on cold-pilger rolling plants for reducing tube blanks or the like |
| 10/12/1988 | CN86108378B Four-bar self-locking screwless rotating feed-in device |
| 08/31/1988 | EP0280001A1 Drive system for cold pilger mills with compensation of mass and momentum |
| 08/23/1988 | US4765174 Texture enhancement of metallic tubing material having a hexagonal close-packed crystal structure |
| 03/31/1988 | DE3717165C1 Method for the production of tubes by the cold reciprocating rolling method |
| 03/01/1988 | US4728491 Cladding tube of a zirconium alloy especially for a nuclear reactor fuel rod and method for fabricating the cladding tube |
| 02/23/1988 | CA1233048A1 System for the continuous operation of a cold pilger rolling mill |
| 12/22/1987 | US4713955 Method permitting the increase of operations of cold pilger mills and an apparatus for the embodiment of this method |
| 09/01/1987 | US4690716 Rapid heating and quenching; grain growth inhibition |
| 08/18/1987 | US4687350 Sealed bearing for ring roller of cold pilger rolling mill |
| 08/13/1987 | DE3613036C1 Drive for cold pilger roll mill |
| 07/29/1987 | CN86108378A Four-bar self-locking screwless rotating feed-in device |
| 06/23/1987 | US4674312 Pilgering apparatus |
| 06/09/1987 | US4671826 Method of processing tubing |
| 04/28/1987 | US4660400 Pilger mill stand |
| 04/21/1987 | US4658617 Method permitting the increase of operations of cold pilger mills and an apparatus for the embodiment of this method |
| 04/07/1987 | US4655068 Floating cylindrical mandrel and method for producing tubing |
| 02/10/1987 | US4641513 Cold rolling process for tubes, by means of a Pilger rolling mill and the rolling mill for its execution |
| 10/08/1986 | EP0197015A1 Floating cylindrical mandrel and method for producing tubing |
| 08/20/1986 | EP0191558A1 Control of viscosity of aqueous drilling fluids |
| 08/20/1986 | CN86100085A Thinners for use in aqueons drilling slurry |
| 03/25/1986 | US4577483 System for the continuous operation of a cold pilger rolling mill |
| 02/25/1986 | CA1200967A1 Method of manufacturing a multicore cable and apparatus for performing this method |
| 02/19/1986 | EP0171675A1 Zirconium alloy cladding tube, particularly for a nuclear-fuel rod, and process for the manufacture of this cladding tube |
| 01/07/1986 | US4562713 Cold pilger mill |
| 10/15/1985 | US4547082 Bearing construction of a crankshaft of a cold Pilger rolling mill, or the like |
| 09/24/1985 | CA1194068A1 Bearing construction of a crankshaft of a cold pilger rolling mill, or the like |
| 09/17/1985 | US4541262 Process for cold rolling of tubes by means of a pilger mill and device for using the process |
| 09/10/1985 | CA1193120A1 Procedure and equipment for the manufacture of pipes with external and internal diameters varying in stages |
| 09/03/1985 | US4538350 For sensing elements of communication lines |
| 07/17/1985 | EP0148806A1 Tube rolling method for the increase in performance of a cold pilger rolling mill, and device to carry out the method |
| 07/04/1985 | WO1985002795A1 Rolling stand for pilgrim-step tube-rolling |
| 06/19/1985 | EP0144480A1 Cold pilger mill |
| 02/14/1985 | WO1985000540A1 Method and mill for pilgrim-step tube-rolling |
| 01/22/1985 | US4494284 Roll |
| 05/01/1984 | US4445354 Procedure and equipment for the manufacture of pipes with external and internal diameters varying in stages |
| 02/15/1984 | EP0100743A1 Method of cold-rolling tubes by way of a pilper mill and device for carrying out the method |
| 02/14/1984 | CA1162080A1 Pilger tube rolling mill drive |
| 06/15/1983 | EP0081452A1 Method of and device for cold-rolling tubes, in particular tubes of great length |
| 06/07/1983 | US4386512 Pilger tube rolling mill |
| 05/18/1983 | EP0079295A1 Method of and device for manufacturing tubes in a cold rolling mill |
| 02/23/1983 | EP0072765A1 Tool changing device on a pilgrim rolling mill |
| 12/02/1981 | EP0040808A1 Roll |
| 12/09/1980 | US4237714 Stand of cold tube-rolling mill |
| 11/18/1980 | US4233834 Method and apparatus for producing zircaloy tubes and zircaloy tubes thus produced |
| 07/29/1980 | US4214468 Hot rolling pilger mill |
| 05/20/1980 | US4203309 Method of pilger rolling of tubes |
| 04/15/1980 | CA1075506A1 Method of producing zircaloy tubes |
| 01/22/1980 | US4184352 Method for pilger rolling of tubes and mill for effecting same |
| 12/18/1979 | CA1068136A1 Shell feed system for a cold pilger mill |
| 11/13/1979 | US4173880 Cooled mandrel |
| 10/02/1979 | CA1063391A1 Crank drive system for cold pilger mills drive or the like |
| 07/17/1979 | CA1058427A1 Mill for rolling continuously cost ingot |
| 05/15/1979 | US4154079 Intermittent rolling mill |
| 05/08/1979 | US4152917 Hot rolling pilger mill |
| 03/27/1979 | US4145906 Feeding device of a tube cold-rolling mill |
| 12/12/1978 | CA1044180A1 Indexing wedge drive for cold tube reducing mills and the like |
| 08/15/1978 | CA1036396A1 Feed apparatus for cold pilger rolling mills |
| 07/18/1978 | US4100786 Feed mechanism for pilger rolling mills |
| 05/23/1978 | US4090386 From tubes having thicker walls |
| 10/11/1977 | US4052898 Crank drive system for cold pilger mills drive or the like |
| 08/30/1977 | US4044865 Hydraulic shock absorber |
| 07/26/1977 | US4037444 Shell feed system for a cold pilger mill |
| 07/12/1977 | US4034589 Mill for rolling continuously cast ingot |
| 04/26/1977 | US4019394 Drive device for clamp holder carriages of a continuously operating pilger mill |
| 02/01/1977 | US4005595 Feeding workpiece apparatus for cold pilger rolling mills |
| 12/07/1976 | US3995468 Pipe cold-rolling mill |
| 10/05/1976 | US3983734 Method of and apparatus for shaping metal billets |
| 09/28/1976 | US3982416 Indexing wedge drive for cold tube reducing mills and the like |
| 04/06/1976 | US3948070 Motion control for the feed mechanism in pilger rolling mills |