B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
25/23
B28B 3/20 (2006.01) B28B 3/26 (2006.01) B28B 11/00 (2006.01) B28B 11/04 (2006.01) B28B 11/16 (2006.01) B28B 11/24 (2006.01) B28B 17/00 (2006.01) B28B 21/92 (2006.01) C04B 38/00 (2006.01)
Patent
CA 1196771
ABSTRACT A process for the production of articles consisting of ceramic material comprises the steps of extruding a starting material which is of a plastic consistency and contains clay to form a string having at least one longitudinal channel; drying, firing and cooling the string; passing a gaseous medium through the longitudinal channel or channels of the string or sections thereof; and subsequently dividing the string or sections thereof into individual articles. Due to the flow of a gaseous medium through the longitudinal channel or channels of the string or sections thereof, working of the inner walls of the string or sections thereof, for example, modification of properties, coating, or drying, can be carried out. Prefer- ably, the division of the string or sections thereof into individual articles takes place after firing. Accordingly, articles, such as solid bricks, hollow bricks, slabs, half-shells and pipes, are produced by dividing the fired string or sections thereof.
418124
Indra Rudolf
Kirnbauer Peter
Linke Walter
Ridout & Maybee Llp
Wienerberger Baustoffindustrie Aktiengesellschaft
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