| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 04.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Production method - Placing a layer (glass granulate) in a mold, layer having first & second surfaces - Heat. layer such that T gradient is established through la yer, with first surface having first T < MP & second surface having second T < first T - Maintaining first & second T for selected time - Heat. layer to T sufficient to sinter the layer to produce a T gradient throughout the layer, with the first surface having third T, & second surface having fourth T > third T - Maintaining third & fourth T to sinter layer - Cooling & annealing construction material |
| PATENT PHOTOCOPY | Available on request |
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