发明名称 |
Process for marking a glass object and article |
摘要 |
A process of manufacture and an article produced by the process in the form of a lead glass substrate. The substrate is discretely marked during the manufacturing process by directing a flame upon it that is deficient in oxygen to provide a darkened or black marking in the glass surface. The invention is especially useful for marking electric lamps.
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申请公布号 |
US4896074(A) |
申请公布日期 |
1990.01.23 |
申请号 |
US19880289843 |
申请日期 |
1988.12.27 |
申请人 |
GTE PRODUCTS CORPORATION |
发明人 |
WILLIAMS, DEBRA L.;HOLMES, DAVID S.;DEVIR, DANIEL D. |
分类号 |
C03C23/00;H01J5/00;H01J9/24;H01K1/28 |
主分类号 |
C03C23/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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