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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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Class Information
Number: 72/181
Name: Metal deforming > By deflecting successively-presented portions of work during bodily movement thereof (e.g., for coiling, levelling, curving or troughing material in movement) > By use of deflector arranged to bend work transversely of direction of work movement (e.g., troughing) > Including complementary roller-couple > Including plural, successively-acting roller-couples
Description: Subject matter wherein two or more roller couples*, at least one of which is a complementary roller-couple, are positioned so that serially consecutive work portions are sequentially engaged by said roller-couples.


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7591162 Protective guide assembly for a roll forming machine Sep. 22, 2009
7591161 Methods and apparatus for controlling flare in roll-forming processes Sep. 22, 2009
7448246 Window frame corner fabrication Nov. 11, 2008
7430806 Processes for roll forming a bed assembly for a pickup truck including horizontally floor panel and right and left upright inner side panels Oct. 7, 2008
7340931 Roll forming and punching machine for metal sheet material Mar. 11, 2008
7243518 Hydraulic cut-off press Jul. 17, 2007
7243519 Roll-forming machine Jul. 17, 2007
7231796 Structure of roll-forming machine Jun. 19, 2007
7207201 U/Z-shaped steel bar manufacturing process Apr. 24, 2007
7188502 Method and device for changing the rolls of a tube welding stand Mar. 13, 2007
7189195 Corrugated sheet forming unit of a corrugated sheet material making machine Mar. 13, 2007
7115089 Technology for continuous folding of sheet materials Oct. 3, 2006
7111481 Methods and apparatus for controlling flare in roll-forming processes Sep. 26, 2006
7107807 Roll forming machine Sep. 19, 2006
7096702 Adjustable multi-axial roll former Aug. 29, 2006
7024904 Contour roll former in particular for extruded metal profiles Apr. 11, 2006
7004001 Roll forming apparatus for forming sheet material into multiple shapes Feb. 28, 2006
6997026 Quick change metal stud to hemmed track roll forming system Feb. 14, 2006
6981397 Roll forming machine with improved adjustability and profile changing capability Jan. 3, 2006
6948349 Rain gutter roll forming machine with independent adjustments Sep. 27, 2005
6931903 Apparatus and method for roll forming shaped members Aug. 23, 2005
6915674 Hinged saw table, system, and method for forming and cutting an elongate workpiece Jul. 12, 2005
6904780 Apparatus for making seamless siding panel Jun. 14, 2005
6880294 Diversion system and method Apr. 19, 2005
6813919 Method of making a frame member into U-section and C-section panel profiles Nov. 9, 2004
6772616 Forming machine for sheets of formable material Aug. 10, 2004
6766676 Roll forming machine with quick-change profile Jul. 27, 2004
6708384 Notched muntin bars having two finishes Mar. 23, 2004
6705143 Method of manufacturing loading plane border frame tubes for chairs Mar. 16, 2004
6678938 System for fabricating muntin bars from sheet material Jan. 20, 2004
6647754 Variable width roll forming apparatus Nov. 18, 2003
6644086 Retro-fit roll forming mill with jack screw Nov. 11, 2003
6618926 System for fabricating muntin bars from sheet material Sep. 16, 2003
6497033 Method of making a shelving standard Dec. 24, 2002
6460388 Metal forming apparatus Oct. 8, 2002
6457226 Process for beading sheet metal parts in a beading machine Oct. 1, 2002
6439020 Gutter forming machine Aug. 27, 2002
6438819 System for fabricating contour muntin bars from sheet material Aug. 27, 2002
6434994 Roll-forming machine Aug. 20, 2002
6397453 System for fabricating muntin bars from sheet material Jun. 4, 2002
6311534 Sheet metal bending apparatus Nov. 6, 2001
6289708 Apparatus for roll forming purlins and the like from a metal strip Sep. 18, 2001
6282932 Axial and transverse roller die adjustment apparatus and method Sep. 4, 2001
6282935 Metal forming apparatus Sep. 4, 2001
6223577 Automated profile control--roll forming May. 1, 2001
6216514 Roll-forming machine Apr. 17, 2001
6209375 Panel assembly and panel forming apparatus Apr. 3, 2001
6209374 Roll-forming machine with adjustable compression Apr. 3, 2001
6148654 Convertible roll forming apparatus Nov. 21, 2000
6119345 Method of cold forming center sill for a railcar Sep. 19, 2000

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