Patents for B21D 31 - Other methods for working sheet metal, metal tubes, metal profiles (2,523)
03/1999
03/03/1999EP0899804A1 Manufacturing method of expanded grid and its manufacturing apparatus
02/1999
02/25/1999WO1999008789A1 Metal thin film for metal catalyst carrier and metal catalyst converter employing the metal thin film
02/24/1999CN2308454Y Hollow/solid interweaving aluminium net structure
02/17/1999CN1207975A Surface pit machining method and equipment
02/16/1999US5871857 Embedding a sheet of expanded metal net in a building board made from a water settable inorganic binder
01/1999
01/13/1999EP0890687A2 Method of making a roof ridge strip
01/12/1999US5857253 System and methods for forming bushing plates
12/1998
12/15/1998US5848866 Truss plates, punch for forming same, and associated method for using same
12/15/1998CA2107666C A bed plate for a fluidized bed apparatus and a method for making the same
12/08/1998US5845715 Inhibition of hydrocarbon vapors in fuel tanks
12/03/1998WO1998053930A1 Apparatus for gripping, guiding and transporting the side edges of a slit strip in a machine for forming an expanded mesh sheet
11/1998
11/26/1998DE19728913C1 Extrusion machine for strip metal
11/19/1998WO1998051429A1 Device for continuous production of foil expanded metal
11/19/1998DE19821932A1 Method for shaping metal sheets
11/19/1998DE19720229A1 Verfahren zur kontinuierlichen Herstellung von Streckmetall aus einer Folie A process for the continuous production of expanded metal from a foil
11/19/1998CA2336776A1 Device for continuous production of foil expanded metal
11/18/1998CN1198968A Hexagonal honeycomb device manufacturing technology
11/17/1998US5836228 Apparatus for cutting sheet material
11/10/1998US5833421 Connector plate
10/1998
10/22/1998DE19716435A1 Grille-type work-production method from plate or coil
10/13/1998US5819579 Forming die for manufacturing printed circuits
10/06/1998US5816332 Compositions of matter stopping fires, explosions and oxidations of materials and build up of electrostatic charges
09/1998
09/22/1998US5809819 Reinforcement member for the reinforcement of concrete structures and method and device for manufacturing this reinforcement member
09/02/1998CN2290101Y Acanthopore plate soundproofing structure noise control device
08/1998
08/18/1998US5794707 Flame arrestor
08/18/1998US5794706 Prevention of corrosion, fire and explosion in oil wells
08/12/1998EP0857538A1 Method for manufacturing rotary cutting tool and rotary cutting tool
08/04/1998US5788110 Lightweight barrier
06/1998
06/17/1998EP0797486B1 Grid, in particular flat grid (grating)
06/17/1998CN2284111Y Steel pipe pore opening device
05/1998
05/26/1998US5755799 Joint implant with self-engaging attachment surface
04/1998
04/14/1998US5738175 Compositions of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges and method and apparatus for making same
04/14/1998US5738169 Heat exchanger with turbulated louvered fin, manufacturing apparatus and method
04/09/1998WO1998015021A1 Method of manufacturing battery electrode substrate and battery electrode substrate
04/09/1998CA2267209A1 Method of manufacturing battery electrode substrate and battery electrode substrate
04/08/1998EP0833779A1 Means for protection against radiant energy
03/1998
03/19/1998WO1998010880A1 Connector plate and punch for forming
03/12/1998WO1998009747A1 Punching and stamping device and method to produce punched and stamped elements
02/1998
02/10/1998US5716718 Aluminum mesh with interlaced hollow and solid ribs
01/1998
01/21/1998EP0807077A4 Apparatus for manufacturing of composite cushioning product
01/07/1998EP0815975A1 A device for unfolding a shaped metal article and a method for unfolding the same
01/07/1998EP0751841B1 Apparatus for cutting sheet material
11/1997
11/27/1997WO1997044147A1 Process for shaping a flat metal workpiece
11/27/1997DE19620196A1 Verfahren zum Umformen eines flächigen Metallwerkstückes Method for forming a planar metal workpiece
11/19/1997EP0807077A1 Apparatus for manufacturing of composite cushioning product
11/18/1997US5688578 Composite packaging material having an expanded sheet with a separator sheet
11/13/1997WO1997041980A1 Arrangement and method for producing expanded material
11/12/1997EP0806127A1 An environmentally desirable method of manufacturing printed circuits, printed circuits made thereby and associated apparatus
11/11/1997CA2033422C Method for manufacturing expanded mesh sheet and apparatus for carrying out method
11/04/1997US5682784 Roll forming tool for manufacturing louvered serpentine fins
10/1997
10/01/1997EP0797486A1 Grid, in particular flat grid (grating)
09/1997
09/25/1997WO1997034846A1 System and methods for forming bushing plates
09/24/1997EP0796678A1 Method of making a form in a metal wall and electrode for executing the process
09/24/1997CN2262964Y Roller press for making expanded metal net
09/02/1997US5661993 Punch tool and method for manufacturing truss plates
08/1997
08/07/1997WO1997027959A1 Articles for and methods of making stents
07/1997
07/29/1997US5652066 Layer(s) of nested spheroids formed from expanded metal sheets made from magnesium foil
07/15/1997US5647257 Method and process for manufacturing expandable packing material
07/02/1997EP0711399A4 Radiator tube and method and apparatus for forming same
07/01/1997US5642646 Method for manufacturing rotary cutting tool and rotary cutting tool
06/1997
06/17/1997US5638662 Impact absorber
05/1997
05/20/1997US5630263 Manufacturing method of expanded mesh
04/1997
04/03/1997WO1997012192A1 Water tank for a radiator system and method for the production thereof
04/02/1997EP0765701A1 Method for making flat tubes for heat exchangers, device and flat tube
03/1997
03/27/1997DE19605108A1 Collector tube for heat exchanger
03/27/1997DE19605094A1 Water box for cooling device of motor vehicles
03/27/1997CA2178513A1 Method of manufacturing flattened tubes for heat exchangers, apparatus and flattened tube
03/25/1997US5613340 Reinforcement member for the reinforcement of concrete structures
03/12/1997EP0761908A1 Strut, especially floor supporting strut in building construction
03/11/1997US5609075 Razor blade manufacture
02/1997
02/26/1997CN1143922A Razor blade manufacture
02/05/1997CN1141827A Process for production of seamless steel pipe by using plastic deforming method and apparatus thereof
01/1997
01/08/1997EP0751841A1 Apparatus for cutting sheet material
01/07/1997CA2072674C Belt weatherstrip with expandable width and method
01/02/1997EP0750535A1 Razor blade manufacture
12/1996
12/18/1996CN2242743Y Net-punching cutting tool
12/12/1996WO1996039335A1 Means for protection against radiant energy
12/12/1996WO1996039229A1 Compositions of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges
11/1996
11/19/1996US5576511 Anti-explosion pads with steel mesh, slitted metal foil and expanded metal net
11/19/1996US5575339 Compositions of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges and method and apparatus for making same
10/1996
10/15/1996US5565479 Imidazolyl fused thiazoles antiserotonine agent
10/08/1996US5563364 Anti-explosion pads and their method of use
10/02/1996CN1132552A Radiator tube and method and appts. for forming same
09/1996
09/10/1996US5553476 Process for the production of outer attachment faces on joint implants
08/1996
08/28/1996EP0728542A1 Decorated structure of deformed metal, in particular of expanded metal, and method for its production
08/15/1996WO1996024540A1 Apparatus for manufacturing of composite cushioning product
07/1996
07/30/1996US5540285 Fuel containment medium
07/26/1996CA2167972A1 Decorated deformed metal structure particularly expanded metal structure, and process thereof
06/1996
06/27/1996WO1996019912A1 An environmentally desirable method of manufacturing printed circuits, printed circuits made thereby and associated apparatus
06/20/1996WO1996018468A1 Grid, in particular flat grid (grating)
06/18/1996US5528001 Circuit of electrically conductive paths on a dielectric with a grid of isolated conductive features that are electrically insulated from the paths
06/18/1996US5526664 Method of forming a textured pattern on a metal plate which pattern is transformed to a plastic part, and a press plate and plastic part produced thereby
05/1996
05/15/1996EP0711399A1 Radiator tube and method and apparatus for forming same
05/08/1996CN2226600Y Dynamic magnetizing machine
05/07/1996CA2058307C Method of forming cable-guiding openings in metal wall-studs and hand powered tool for it
04/1996
04/17/1996CN2224682Y High strength metal net-board
03/1996
03/19/1996US5500037 Impact Absorber
03/13/1996EP0700322A1 Controller
03/12/1996US5497648 Dolly block for use in straightening, smoothing and cold shrinking of sheet metal panels
03/06/1996CN1117895A Method and apparatus for making stretching grille
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