Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
B32B15/00—Layered products comprising a layer of metal
B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
B32B15/017—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of aluminium or an aluminium alloy, another layer being formed of an alloy based on a non ferrous metal other than aluminium
Prodn. of thin layer or structure of precious metal powder - comprises pressing gold@ silver@ or platinum@ to surface using low mechanical pressure for deformation-free cold welding
Verfahren zur Herstellung von naht- und faltenlosen, aus Edelmetallen bestehenden Hohlkoerpern mit Boden, wie Huetchen, Naepfchen u. dgl., fuer zahnaerztliche Zwecke