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Featured researches published by Koelln Joerg.


Archive | 2009

Verfahren zur Herstellung von Verbundbauteilen

Dudziak Kai-Uwe; Falke Juergen; Jungclaus Stefan; Junge Dieter; Koelln Joerg; Langwaldt Silke; Nottbusch Hans; Reese Eckhard


Archive | 2007

Tool fastening nut insert to hollow profile in automobile industry, includes resistance welding apparatus in which one electrode forms plunger with recess surrounding insert

Graf Denis; Koelln Joerg; Schmidt Matthias; Schult Jens


Archive | 2005

Vorrichtung zur Innenhochdruckumformung eines Rohlings

Koelln Joerg; Schult Jens


Archive | 2008

Connecting internal high pressure shaping part to connecting part involves forming push connection of dome part and of connecting part using internal high pressure shaping technique

Koelln Joerg; Schmidt Matthias; Schult Jens


Archive | 2008

Hydroforming method for a hydroformed/hydromolded part reshapes a component area of a hydroformed part by applying internal high pressure near a corresponding channel/recess in a hydroforming tool

Borchard Andreas; Falke Juergen; Koelln Joerg; Langwaldt Silke; Martens Ruediger; Schmidt Matthias; Schroeder Matthias; Schult Jens


Archive | 2007

VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG EINER SCHRAUBVERBINDUNGSSTELLE

Dudziak Kai-Uwe; Falke Juergen; Graf Denis; Koelln Joerg; Langwaldt Silke; Martens Ruediger; Schult Jens


Archive | 2006

Production of a peripherally closed hollow profile comprises exerting a counter force on the blank material in pushing movement using a friction generator arranged in a region of an inner high pressure metal forming tool cut

Koelln Joerg; Kruse Joerg; Kuschel Stephan; Nottbusch Hans; Schult Jens


Archive | 2008

Hydraulic assembly, for the piston in an interior high pressure shaping process, has a bypass leading part of hydraulic fluid from the piston cylinder to the tank on a control signal

Koelln Joerg; Schmidt Matthias; Schult Jens


Archive | 2008

Internal high-pressure shaping/forming device for semi-finished products, has fluid high-pressure generating device coupled to fluid supply lines of two units to retain required pressure

Koelln Joerg; Schult Jens


Archive | 2008

Reshaping method for producing an internal high-pressure reshaping part inserts the internal high-pressure reshaping part into an internal high-pressure reshaping tool while impinging it with internal high pressure after sealing

Koelln Joerg; Nottbusch Hans; Schmidt Matthias; Schult Jens

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