Glass manufacturing – Processes – With shaping of particulate material and subsequent fusing...
Patent
1986-12-11
1989-10-10
Lacey, David L.
Glass manufacturing
Processes
With shaping of particulate material and subsequent fusing...
65 182, 65 184, 65 215, 423338, C01B 3318
Patent
active
048728950
ABSTRACT:
A method for forming articles which include silica-containing glass bodies, as well as the resulting articles, are disclosed. In accordance with the method, silica-containing gel particles are fused to form a glass body. In contrast to previous such methods, these particles are formed by mechanically, substantially uniformly subdividing either a substantially cohesive gel body, or an ungelled or partially gelled sol capable of yielding a substantially cohesive gel body, to form substantially uniformly sized, wet gel particles. Significantly, only substantially cohesive gel bodies which are also substantially elastic are useful in the invention, i.e., mechanical subdivision of non-elastic gel bodies results in these bodies undergoing plastic flow to yield non-particulate, pasty masses.
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Fleming James W.
Johnson, Jr. David W.
MacChesney John B.
Pardenek Sandra A.
American Telephone and Telegraph Company AT&T Bell Laboratories
Johnson L.
Lacey David L.
Tiegerman Bernard
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