Patents
Patents for B21B 15 - Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills (2,690)
05/1992
05/13/1992EP0484882A1 Continuous hot strip rolling system and method thereof
05/13/1992EP0484783A2 Device for bracing and balancing the press tool holder and crankcase in an upsetting press
05/13/1992EP0484782A2 Upsetting press for reducing the width of slabs in hot wide strip roughing trains
05/13/1992EP0484781A2 Slab upsetting press for hot wide strip rolling mills
05/13/1992CN1060981A Connecting method for rolling stocks
05/06/1992CN1060798A Process for coiler drum alternation in incessant hot rolling and apparatus therefor
04/1992
04/23/1992DE4032335A1 Profiled steel insertion mechanism in shear - has lifting magnet sliding parallel to truck travel direction
04/22/1992EP0481358A1 Method for joining rolled plates
04/15/1992EP0480548A1 Device for introducing rolled steel sections into a cold shearing machine
04/08/1992EP0479681A2 Hot pressure welding of hot steel stock
04/01/1992CN1059855A Device for exchanging pressing tool of upsetting press
03/1992
03/25/1992EP0476468A1 Device for exchanging the pressing tools of a pressing machine
03/25/1992CN1059675A Continuous hot-rolling process and connecting process for metal sheets
03/25/1992CN1059674A Connecting process and continuous hot-rolling process for billet in hot-rolling
03/19/1992DE4029429A1 Compression press tool change - has trolley with lifting frame and tool holder and trolley to carry the tools for an automated operation
03/03/1992CA1296551C Press apparatus for reducing widths of hot slabs and slab widths reducing method using the apparatus
02/1992
02/19/1992CN1058735A Upsetting press for reducing width of rolling stock
02/19/1992CN1058734A Upsetting press for reducing width of rolling stock
02/12/1992EP0470436A2 Pressure roll for holding slabs down in an upsetting press
02/12/1992EP0470435A2 Upsetting press for reducing the width of rolling stock
02/06/1992WO1992001524A1 Method of manufacturing metal strip
02/05/1992EP0469483A2 Process for coiler drum alternation in incessant hot rolling and apparatus therefor
02/04/1992US5085066 Method for suppressing fluctation of width in hot rolled strip
02/03/1992WO1992002315A1 Method of joining billets during hot rolling and method of continuous hot rolling
02/03/1992WO1992002314A1 Method of continuously hot rolling steel sheet and method of joining thereof
02/03/1992WO1992002313A1 Method and device for joining billets
01/1992
01/14/1992US5079941 Temper mill installation and shearing machine for use in such an installation
01/07/1992US5077999 Flying upsetting press
12/1991
12/24/1991US5074457 Method and apparatus for splicing metal webs
12/18/1991EP0461743A2 Hot roughing mill installation
12/17/1991CA1293115C Apparatus and method for inproving hot strip mill processing
12/11/1991EP0460655A2 Method of and apparatus for joining hot materials to be rolled to each other as well as continuous hot rolling method and system
11/1991
11/19/1991US5065811 Apparatus for the manufacture of hot rolled steel strip
11/13/1991CN2088461U Pendulum type size fixing machine
10/1991
10/15/1991US5056703 Method of splicing webs
10/02/1991DE4019879A1 Guidance system for wire cropping rotating shear - has wire guide type synchronised with wire traverse by bracket engaging helical groove of cropping roll
10/02/1991DE4009861A1 Continuous prodn. of quality steel or wire - using concast strip which is cut into strip billets and rolled to finished dimensions
09/1991
09/12/1991DE4007407A1 Ingot or billet upsetting press
09/11/1991EP0445898A2 Slab upsetting press with movable frame
09/10/1991US5046344 Apparatus for sizing a workpiece
09/04/1991CN1054205A No-twist slit-rolling approach ("nta") apparatus and method for manufacturing steel reinforcing rod
09/03/1991US5045131 Wear resistance, alloy of magnesium, silicon, boron and aluminum
08/1991
08/07/1991CN2082204U Cutting end descaling machine for rolling steel billet
08/06/1991US5037024 Method of splicing metal webs
07/1991
07/16/1991US5031432 Measuring temperature
06/1991
06/23/1991CA2032881A1 Durable method for producing finned tubing
06/19/1991EP0432532A2 High performance bar or wire rolling mill
06/12/1991EP0431058A1 Treatment of metal slabs.
06/12/1991EP0431036A1 Treatment of metal slabs.
06/12/1991CN1052159A Continuous rail and method for producing same
06/02/1991WO1991008342A1 Continuous rail production
05/1991
05/28/1991US5018666 Unitary one quarter mile long railroad rail free of weld seams
05/21/1991US5016460 Durable method for producing finned tubing
04/1991
04/17/1991EP0422056A1 Process and installation for manufacturing a metal strip having a thickness less than or equal to 10 mm.
04/10/1991CN1050508A Cold roll-formed structures and method and apparatus for producing same
03/1991
03/26/1991US5001915 Method for improving hot strip mill processing
03/19/1991CA1281794C Method of cooling hot-rolled steel plate
03/12/1991US4998338 Method and arrangement for manufacturing hot-rolled steel strip
02/1991
02/26/1991US4995252 Method and apparatus for internally enhancing heat exchanger tubing
02/26/1991US4995251 System for trimming leading and trailing ends from a wire coil
02/12/1991US4991418 Method for determining temperature of metal to be rolled by hot strip mill and apparatus for performing the same
02/06/1991EP0411688A1 Process and facility for shearing to length steel bars coming from a rolling mill
02/01/1991CA2022225A1 Process and facility for shearing to length steel bars coming from a rolling mill
01/1991
01/09/1991EP0406249A1 Installation for manufacturing hot-rolled steel strip.
01/08/1991US4983241 Method of splicing webs
12/1990
12/12/1990CN1047636A Quick upsetting press
12/11/1990US4976024 Method of and apparatus for rolling directly coupled with continuous casting
12/05/1990EP0400385A2 Flying upsetting press
11/1990
11/01/1990WO1990012664A1 Wire rod dividing method in wire rod mill
10/1990
10/31/1990EP0395191A1 Method of and device for cooling a long cylindrical body
10/31/1990EP0394672A2 Method and apparatus for cutting the leading turns and/or the trailing turns of a wire coil
10/30/1990US4966025 Horizontally opposed-die type edging press
10/17/1990EP0392009A1 Method of hot rolling high-silicon steel plate
09/1990
09/25/1990US4958677 Rolling installation for and rolling method of continuous cast strip
09/18/1990US4957154 Process for the in-line homogenization and recrystallization of metallic products obtained by continuous casting
09/12/1990EP0387236A1 Method of and installation for rolling wire and bars
09/12/1990CN1009531B Cold roll-formed structures method and apparatus for producing same
09/05/1990EP0385097A2 Method for producing a protective microlayer
09/03/1990CA2011519A1 Method of obtaining a microscopically thin protective film
08/1990
08/16/1990EP0381919A2 Forging machine for the continuous forging of strand material, in particular continuously cast slabs
08/08/1990EP0381115A1 Method and apparatus for splicing metal webs
07/1990
07/12/1990DE3900668A1 Press for laterally upsetting workpieces, in particular slab-upsetting press
07/03/1990US4938049 Warm rolling method for high silicon steel strips
06/1990
06/14/1990WO1990006194A1 Device for cyclic deformation of continuous strip
06/06/1990EP0371281A1 Apparatus for producing hot-rolled steel strip
06/05/1990US4930207 Method and apparatus for continuous compression forging of continuously cast steel
05/1990
05/31/1990DE3939217A1 Prodn. of profiled rod - using extruder followed by rolling stand with 2 sets of rolls at 90 deg. to each other and device to maintain constant min. tensile stress
05/16/1990EP0368048A2 Method and device for manufacturing hot-rolled steel strip
05/10/1990DE3837643A1 Upsetting press for the step wise changing of the cross-section of metal bodies in strand form, e.g. slabs
05/09/1990EP0367485A2 Edging press with horizontally opposed dies
04/1990
04/18/1990CN1007591B Single strand black-type rolling mill
03/1990
03/08/1990WO1990002004A1 Treatment of metal slabs
03/08/1990WO1990002003A1 Treatment of metal slabs
02/1990
02/14/1990EP0354574A2 Method for splicing metal webs
02/08/1990WO1990000949A1 Method and instrument for making blanks from a slab
02/07/1990EP0353788A2 Press apparatus for reducing widths of hot slabs and slab widths reducing method using the apparatus
02/01/1990DE3826005A1 Arrangement for diverting cropped ends of a rolled bar behind rotating shears
01/1990
01/23/1990EP0259479A4 Cold roll-formed structures and method and apparatus for producing same.
01/18/1990DE3824276A1 Working method for the further processing of rolled bars continuously supplied by a rolling train and collected into groups and equipment for carrying out this working method
01/11/1990WO1990000100A1 Process and installation for manufacturing a metal strip having a thickness less than or equal to 10 mm
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