Kunststoffbeschichtete Betonstein- und Betonwerkstein- oder dergleichen -Stuecke,insbesondere Sanitaer-Betonwerksteinstuecke

摘要

1307693 Showers W ROTTER J ROTTER and W SCHLINSOG 24 Feb 1970 [25 Feb 1969] 8763/70 Heading A4N [Also in Division B2] A smoothed, polished concrete sanitary article such as a shower basin 1, 2 is rendered waterproof and heat-resistant by warming it in an oiler to about 40‹C., removing it from the oven, coating it by brush with a flowable epoxy resin mix 3 containing a hardener and allowing it to cool while the resin sets to form a sealed surface 4. Further coats of resin may be applied by the same procedure and the basin may be subsequently covered with a finishing layer 5 to give a soft or hard (e.g. enamel-like) finish.