Patents Assigned to Centralny Osrodek Badawczo-Rozwojowy Przemyslu Betonow "Cebet"
  • Method of production of cellular concrete
    Patent number: 4214911
    Abstract: Cellular concrete is produced using, as filler, the sandy fraction of 80-90% SiO.sub.2 content which is a waste material from the combustion of brown coal and, as binding agent lime and cement. These raw materials are dry ground and mixed with water having a temperature of about 50.degree. C. and with a pore-producing agent. The thus obtained mixture is poured out into forms.
    Type: Grant
    Filed: June 28, 1978
    Date of Patent: July 29, 1980
    Assignee: Centralny Osrodek Badawczo-Rozwojowy Przemyslu Betonow "Cebet"
    Inventors: Janina Siejko, Hanna Jatymowicz