Wagner International Ag

Irion & Vosseler Gmbh & Co. & Zahlerfabrik

Wagner Finish Tech Center Gmbh

Klaus Zerweck

Heinrich Griebel

Herbert Bauser

Peter Konhauser

Jurgen Sprenger

Bernd Schindler

Edmund Kurz

Thomas Bolch

Wolfgang Trautwein

Andreas Haller

Theo Mager

This invention relates to an apparatus for quantitatively definite delivery of a liquid or thick, pressurized medium such as paint, varnish, glue or the like wherein the medium is placed under pressure by a conveying pump comprising a pump discharge valve and whereby a second valve is provided at or close to the delivery nozzle, this second valve being actuatable by the pressure of the medium to be delivered and having an opening pressure which is greater than that of the pump discharge valve.

Apparatus for delivering a liquid or thick medium

A stamping foil for forming printed circuit patterns on insulating or poorly conductive substrates comprising an electrically conductive layer made of a highly conductive metal, such as copper, which is endowed with a sufficiently low shear strength, even in thicknesses of 10 microns or more, to permit easy and sharp separation of the activated (imprinted) and non-activated portions of the foil. Such a low shear strength may be achieved with fibrous or fibrous-granular crystallite structures, wherein the fibers are oriented approximately at right angles to the surfaces of the foil, and, in addition, by doping agents containing carbon, nitrogen and sulfur. The foil may comprise a bonding layer for bonding the conductive layer to a substrate, or such a bonding layer may be applied to the surface of the conductive layer before the stamping operation. The conductive layer may be either self-supporting, or it may adhere to a carrier tape through an intermediary separating layer. In the latter case, the bonding and separating layers become activated when compressed by a stamping die or stereotype, whereby the conductive layer becomes bonded to the substrate and separated from the carrier tape in the activated areas. The activated and non-activated portions of the foil are then separable by pulling the carrier tape away from the substrate.

Stamping foils and methods

Growing community of inventors

Leonberg, Germany

Klaus Zerweck