公开(公告)号：EP1432658B1

公开(公告)日：2005-02-16

申请号：EP02785151.8

申请日：2002-10-02

申请人： Schott AG ,  Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.

发明人： LANGSDORF, Andreas ,  GREULICH-HICKMANN, Norbert ,  ADLER, Jörg ,  PIWONSKI, Michael

IPC分类号： C03B40/04

CPC分类号： C03B40/04

摘要： The invention relates to a method and device for non-contact moulding of fused glass or glass ceramic gobs by means of gas levitation, comprising the following method steps: a pre-form is generated, the pre-form is brought close to a moulding tool, which may be connected to a compressed gas source on the open-pored region thereof facing the pre-form in order to generate a gas cushion between the moulding tool and the pre-form and the moulding tool is directly heated at least during a part of the moulding phase.

公开(公告)号：EP1144076B1

公开(公告)日：2004-03-31

申请号：EP99963384.5

申请日：1999-12-03

申请人： Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.

发明人： ADLER, Jörg ,  LENK, Reinhard ,  RICHTER, Hans-Jürgen

IPC分类号： B01D39/20 ,  B32B18/00

CPC分类号： B01D39/2075 ,  B32B18/00 ,  C04B35/653 ,  C04B2235/656 ,  C04B2235/6567 ,  C04B2235/658 ,  C04B2237/343 ,  C04B2237/365 ,  C04B2237/72

摘要： The invention relates to the area of ceramics and to ceramic multilayer filters of the type used for separating gases. The aim of the invention is to provide ceramic multilayer filters which are more economical to produce. To this end, the inventive ceramic multilayer filters consist of at least two layers of different particle size, the particle surfaces of all of the ceramic particles being completely or partially perfused with a material and spot and/or surface joins being formed between particles. The invention also provides a method for producing ceramic multilayer filters of this type, according to which slips are produced from at least two ceramic powders of different particle size, the particles of said ceramic powders being perfused with a material or a material in powder form being added to the ceramic slips. One or more layers are formed from the slips and then dried. At least two layers are placed one above the other and/or joined to each other and together, are subjected to a temperature increase.

公开(公告)号：EP0907621A1

公开(公告)日：1999-04-14

申请号：EP97927088.0

申请日：1997-05-30

申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. ,  Foseco International Limited

发明人： ADLER, Jörg ,  TEICHGRÄBER, Michael ,  STANDKE, Gisela ,  JAUNICH, Helmut ,  STÖVER, Heike ,  STÖTZEL, Reinhard

IPC分类号： C04B38 ,  B01D39 ,  C04B41 ,  F28F21

CPC分类号： C04B41/85 ,  B01D39/2093 ,  C04B41/009 ,  C04B41/50 ,  F28F21/04 ,  Y10T428/249957 ,  Y10T428/249969 ,  C04B41/4523 ,  C04B41/4535 ,  C04B38/0615

摘要： The invention relates to the field of ceramics and concerns an open-cell expanded ceramic which may be used in the form of a deep-bed filter, and a process for the production thereof. The object of the invention is to produce an open-cell expanded ceramic by a simple and economical process. The object is attained by an open-cell expanded ceramic in which the inner cavities, cracks and the porosity of the ceramic members are filled partially or completely by one or a plurality of metal and/or ceramic phases and/or glass phases. The open-cell expanded ceramic according to the invention is also produced in that during or after sintering the cavities, cracks and the porosity of the ceramic members are partially or completely filled with a melt or a suspension which melt below the melting temperature of the expanded ceramic, have a coefficient of expansion similar to the coefficient of expansion of the expanded ceramic, and a very good wetting capacity, and only react partially or not at all with constituents of the expanded ceramic.