| 摘要 |
<p>CANADIAN PATENT APPLICATION OF STEN RUNE LJUNG FOR INSERT FOR THE FURNACES OF BOILERS. An insert for the furnaces of particularly oil-fired boilers for intermittent operation, comprising an assembly of elements of fire-resisting glass of slight material thickness relative to their total surface area. The assembly is placed such that heat is accumulated therein at the same time as the property of the glass to transmit flame radiation is exploited.</p> |
