| 摘要 |
<p>A glazing bead 10 has an outer skin formed in two parts 16 and 18. The two parts 16 and 18 are formed by moulding a cloth or paper of glass fibre or other suitable fibrous material impregnated with phenolic resin containing one or more frits and ceramic powder or fibre. The two parts 16 and 18 are joined together and the resultant cavity therebetween filled with a mixture of phenolic resin containing one or more frits and ceramic powder or fibre, or sodium silicate containing one or more frits and ceramic powder or fibre.</p> |
