B21B - Rolling of metal - Patents Sitemap

More topics under "B21B - Rolling of metal" (70,824)
B21B 1 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations (12,441)
B21B 11 - Subsidising the rolling processes by subjecting rollers or work to vibrations (33)
B21B 13 - Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories (4,042)
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)
B21B 17 - Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling (1,014)
B21B 19 - Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work (1,478)
B21B 21 - Pilgrim-step tube-rolling (473)
B21B 23 - Tube-rolling not restricted to methods provided for in only one of groups , e.g. combined processes (649)
B21B 25 - Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group; Accessories or auxiliary means therefor (1,103)
B21B 27 - Rolls; Lubricating, cooling or heating rolls while in use (5,631)
B21B 28 - Maintaining rolls or rolling equipment in effective condition (1,388)
B21B 29 - Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls (865)
B21B 3 - Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences (3,394)
B21B 31 - Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames (6,388)
B21B 33 - Safety devices not otherwise provided for; Breaker blocks; Devices for freeing jammed rolls (437)
B21B 35 - Drives for metal-rolling mills (1,850)
B21B 37 - Control devices or methods specially adapted for metal-rolling mills or the work produced thereby (9,690)
B21B 38 - Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product (2,626)
B21B 39 - Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills (5,306)
B21B 41 - Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters (742)
B21B 43 - Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed (829)
B21B 45 - Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills (6,955)
B21B 47 - Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal (252)
B21B 5 - Extending closed shapes of metal bands by rolling (172)
B21B 9 - Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills (370)
B21B 99 - Subject matter not provided for in other groups of this subclass (6)

Patents for B21B - Rolling of metal (56)
06/2011
06/21/2011	CA2508534C Method for making structural elements by machining thick plates
01/2010
01/26/2010	US7651401 Self-attaching female fastener elements and method of forming same
05/2009
05/20/2009	EP1732725B1 Pipe cutting apparatus
12/2008
12/16/2008	US7464472 Pipe cutting apparatus
10/2007
10/18/2007	US20070240311 Pipe Cutting Apparatus
10/03/2007	EP1581352B1 Self-attaching female fastener elements and method fo forming same
07/2007
07/24/2007	US7249004 Mill roll analysis system
12/2006
12/20/2006	EP1732725A1 Pipe cutting apparatus
11/2006
11/09/2006	US20060252560 Self-attaching female fastener elements and method of forming same
08/2006
08/31/2006	US20060194002 Butterfly wing lamination process and method of use
03/2006
03/29/2006	CN1754174A Mill roll analysis system
03/22/2006	EP1635634A2 Butterfly wing lamination process and method of use
02/2006
02/15/2006	EP1581352A4 Self-attaching female fastener elements and method fo forming same
11/2005
11/30/2005	EP1599822A2 Mill roll analysis system
11/10/2005	WO2005105333A1 Method of improvement for a rolled product manufacturing process
10/2005
10/06/2005	WO2005092550A1 Pipe cutting apparatus
10/05/2005	EP1581352A2 Self-attaching female fastener elements and method fo forming same
09/2005
09/14/2005	EP1573080A2 Method for making structural elements by machining thick plates
04/2005
04/19/2005	CA2131579C Descaling device
03/2005
03/24/2005	WO2004078376A3 Mill roll analysis system
03/10/2005	WO2005000492A3 Butterfly wing lamination process and method of use
01/2005
01/26/2005	CN1186141C Manufacturing method of square steel tube
01/06/2005	WO2005000492A2 Butterfly wing lamination process and method of use
01/06/2005	WO2004052567A3 High g mill in a blending and drying system
01/06/2005	CA2528291A1 Butterfly wing lamination process and method of use
12/2004
12/01/2004	CN1177656C Manufacturing method of square steel tube
09/2004
09/16/2004	WO2004078376A2 Mill roll analysis system
09/02/2004	US20040172223 Mill roll analysis system
08/2004
08/19/2004	WO2004056501A3 Method for making structural elements by machining thick plates
07/2004
07/22/2004	WO2004050269A3 Self-attaching female fastener elements and method fo forming same
07/08/2004	WO2004056501A2 Method for making structural elements by machining thick plates
06/2004
06/24/2004	WO2004052567A2 High g mill in a blending and drying system
06/17/2004	WO2004050269A2 Self-attaching female fastener elements and method fo forming same
06/17/2004	CA2502213A1 Self-attaching female fastener elements and method of forming same
08/2003
08/13/2003	CN2565556Y Multi roller rolling mill
05/2001
05/23/2001	CN1066075C Method for making square section steel pipe
04/2001
04/18/2001	CN1291533A Manufacturing method of square steel tube and round steel tube
04/18/2001	CN1291532A Manufacturing method of square steel tube and round steet tube
07/1997
07/23/1997	CN1154880A Mfg. method for square steel pipe and mfg. method for circular steel pipe
03/1996
03/12/1996	US5497644 Device to replace rolls on dual-purpose universal rolling stands
07/1994
07/19/1994	US5329688 Process and plant for obtaining steel strip coils having cold-rolled characteristics and directly obtained in a hot-rolling line
06/1994
06/01/1994	EP0541574B1 Process and plant for obtaining steel strip coils having cold-rolled characteristics and directly obtained in a hot-rolling line
12/1993
12/15/1993	CN1023084C Products of cold roll-formed technology
05/1993
05/19/1993	EP0541574A1 Process and plant for obtaining steel strip coils having cold-rolled characteristics and directly obtained in a hot-rolling line.
01/1992
01/10/1992	WO1992000815A1 Process and plant for obtaining steel strip coils having cold-rolled characteristics and directly obtained in a hot-rolling line
01/10/1992	CA2085223A1 Process and plant for obtaining steel strip coils having cold-rolled characteristics and directly obtained in a hot-rolling line
04/1991
04/10/1991	CN1050508A Cold roll-formed structures and method and apparatus for producing same
09/1990
09/12/1990	CN1009531B Cold roll-formed structures method and apparatus for producing same
01/1988
01/20/1988	CN87101818A Cold roll-formed structures and method and apparatus for producing same
06/1980
06/10/1980	CA1079098A1 Rolling machine
03/1980
03/18/1980	US4193282 Rolling machine
01/1979
01/10/1979	EP0000290A1 Rolling machine
05/1978
05/02/1978	US4086800 Process and rolling mill for stretch reduction of tubes
12/1977
12/06/1977	US4061010 Apparatus for cooling the rolls of rolling mills
11/1976
11/30/1976	US3994151 Method for cooling the rolls of rolling mills
07/1976
07/13/1976	US3969162 Method of producing silicon steel strip