Patents for B21D 33 - Special measures in connection with working metal foils, e.g. gold foils (280)
09/2004
09/22/2004CN1167584C Technology for forming aluminum foil containers
08/2004
08/05/2004WO2004065032A1 Metal foil tube and method and apparatus for production thereof
06/2004
06/10/2004US20040109911 Device for treating flat material
05/2004
05/26/2004CN1500037A Device for treating flat material
03/2004
03/31/2004CN1485203A Rotary press to print patterns on a support strip
03/03/2004EP1393904A2 Rotary press for applying a pattern on a web like substrate
02/2004
02/26/2004US20040035305 Rotary press to lay down patterns on a support strip
02/19/2004CA2437521A1 Rotary press to lay down patterns on a support strip
01/2004
01/29/2004WO2003086779A3 Conveyance device in an embossing device
01/02/2004EP1372946A1 Device for treating flat material
12/2003
12/18/2003WO2003104890A1 Counterfeit-proof metallic foil
12/18/2003CA2752221A1 Counterfeit-proof metal foil
12/11/2003DE10216139C1 Prägevorrichtung Embossing device
10/2003
10/23/2003WO2003086779A2 Conveyance device in an embossing device
10/23/2003WO2001053015A9 Apparatus and method for manufacture of multilayer metal products
10/15/2003EP1352093A2 Optical switching and sorting of biological samples and microparticles transported in a micro-fluidic device, including integrated bio-chip devices
09/2003
09/24/2003CN1121940C Embosser
09/17/2003CN1121506C Production process of aluminium foil for high voltage anode of electrolytic capacitor
09/04/2003US20030164214 Foil-form soldering metal and method for processing the same
09/02/2003US6613174 Process for the manufacture of an acoustically effective foil stack for a vehicle heat shield
08/2003
08/28/2003US20030161998 Process for the manufacture of an acoustically effective foil stack for a vehicle heat shield
08/21/2003WO2003057487A9 A die plate for a foil stamping machine
07/2003
07/17/2003WO2003057487A1 A die plate for a foil stamping machine
07/17/2003CA2472623A1 A die plate for a foil stamping machine
04/2003
04/29/2003US6555246 Method of producing a sound-absorbent insulating element and insulating element produced according to this method
04/02/2003CN1406683A Automatic moving system for metal foil device
03/2003
03/26/2003CN1406159A Apparatus and method for manufacture of multilayer metal products
03/05/2003CN1400069A Full-automatic foil-rolling machine
01/2003
01/15/2003EP1274524A1 Method for producing an acoustically effective stack of films for a motor vehicle heat shield
10/2002
10/17/2002WO2001078917A1 Method for producing an acoustically effective stack of films for a motor vehicle heat shield
10/03/2002WO2002076716A1 Device for treating flat material
09/2002
09/10/2002US6446858 Packaging blank with longitudinal material weakenings
04/2002
04/04/2002WO2001053015A3 Apparatus and method for manufacture of multilayer metal products
03/2002
03/27/2002CN1341765A Production process of aluminium foil for high-voltage anode of electrolytic capacitor
02/2002
02/27/2002CN2478709Y Copper foil producing combine
10/2001
10/31/2001EP1149233A1 Method of producing a sound-absorbent insulating element and insulating element produced according to this method
10/10/2001CN1316369A Technology for forming aluminium-foil containers
07/2001
07/26/2001WO2001053015A2 Apparatus and method for manufacture of multilayer metal products
07/26/2001CA2398286A1 Apparatus and method for manufacture of multilayer metal products
07/11/2001CN2438524Y Five-roller plastic rolling mill
05/2001
05/23/2001EP1101704A2 Packaging blank with longitudinal material weakenings
03/2001
03/14/2001CN2423043Y Drill roller of rolling mill
01/2001
01/09/2001US6171227 Embossing unit
08/2000
08/10/2000WO2000046493A1 Method of producing a sound-absorbent insulating element and insulating element produced according to this method
05/2000
05/17/2000CN2378185Y Embosser for metal foil and paper composite material
12/1999
12/22/1999CN2354687Y Apparatus for producing special screening materials
10/1999
10/13/1999EP0949019A1 Embossing unit
10/13/1999CN1231252A Embosser
09/1999
09/28/1999CA2186358C Apparatus for cutting sheet material
03/1999
03/02/1999CA2002714C Method for production of thin sections of reactive metals
11/1998
11/17/1998US5836228 Apparatus for cutting sheet material
09/1998
09/02/1998CN1191812A Making method of noble metal picture
01/1998
01/07/1998EP0751841B1 Apparatus for cutting sheet material
10/1997
10/21/1997US5680317 CAD device for metal mold
09/1997
09/17/1997CN2262462Y Tension maintaining device for rolling mill
01/1997
01/08/1997EP0751841A1 Apparatus for cutting sheet material
11/1995
11/30/1995DE19518556A1 CAD device for metal shapes
10/1995
10/17/1995US5458717 Method of shearing thin metal sheet
10/12/1995WO1995026838A1 Apparatus for cutting sheet material
05/1995
05/09/1995US5413018 Piezo-electric actuator operated press
09/1993
09/09/1993DE4207165A1 Stamping of metallic foil in piezoelectrically operated press - is performed with vertical oscillation of stamping punches held flat against both sides of foil and moved through less than half of its thickness
08/1993
08/31/1993US5240682 Reinforced corrugated thin metal foil strip useful in a catalytic converter core, a catalytic converter core containing said strip and an electrically heatable catalytic converter containing said core
12/1992
12/24/1992DE4212815A1 Piezoelectric actuator for thin metal foil components - has opening and closure of die-set for access provided by pneumatic actuator
11/1992
11/11/1992EP0512659A2 Corrugated thin metal foil strip
11/07/1992CA2066127A1 Corrugated thin metal foil strip
06/1992
06/16/1992US5121535 Method for production of thin sections of reactive metals
10/1990
10/31/1990CN1010186B Device for guiding and turning die for manufacture of metal foils
06/1990
06/20/1990EP0374094A1 Process for deforming a metal piece
04/1989
04/05/1989CN1032126A Device for guiding and turning die for manufacture of metal foils
03/1989
03/16/1989DE3824177A1 Device for guiding and turning a die for the production of metal foil
03/1986
03/25/1986CA1202164A1 Drawing punch for drawing foil
01/1986
01/07/1986US4562717 Drawing punch for drawing foil
12/1982
12/28/1982US4365499 Method of manufacturing formed articles, equipment for practicing same, and formed articles manufactured by the method
12/28/1982US4365498 Method of manufacturing formed articles, equipment for practicing same, and formed articles manufactured by the method
11/1982
11/30/1982US4361020 Drawing apparatus
08/1981
08/18/1981CA1107151A1 Method of manufacturing formed articles
09/1980
09/30/1980US4225553 Method of manufacturing low-rigid, wrinkle-free articles
06/1980
06/10/1980US4206627 Unitary mold-press structure
06/03/1980CA1078777A1 Production of perforated metal foil
03/1976
03/02/1976US3940966 Apparatus for shaping sheet material
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