| Patent Number |
Title Of Patent |
Date Issued |
| 5569315 |
Process and device for cleaning the waste air of systems for the solidification of melts |
October 29, 1996 |
| A melt is converted into pieces by being converted to individual quantities that are dropped onto a cooling surface. Disposed above the cooling surface is a hood having a suction outlet for conducting waste air to a cleaner. Disposed in the hood upstream of the suction outlet is an a |
| 5445108 |
Process and apparatus for the crystallization of a melt |
August 29, 1995 |
| A melt is crystallized by introducing the melt into a gap formed between two belts. The gap-forming flights of the belts travel in opposite directions. An upper one of the flights is cooled so that an upper surface of the melt crystallizes thereon and is removed from the gap on the upper |
| 5269817 |
Process and apparatus for the crystallization of a melt |
December 14, 1993 |
| A melt is crystallized by introducing the melt into a gap formed between two belts. The gap-forming flights of the belts travel in opposite directions. An upper one of the flights is cooled so that an upper surface of the melt crystallizes thereon and is removed from the gap on the upper |
| 5149445 |
Process and apparatus for the purification of substances |
September 22, 1992 |
| A substance is provided in molten form and then converted into crystallized pellets. The pellets are conveyed into a vessel having an open lower end, whereby the pellets continuously advance downwardly. As the pellets advance, they are subjected to a hot gas flow which causes outer c |
