Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1980-06-26
1982-05-25
Kittle, John E.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
65 36, 65 42, 1563082, 1563096, 350320, C03B 2902, C03B 1108, G02B 508
Patent
active
043313833
ABSTRACT:
A light-weight mirror comprising a fused-silica mirror plate and a cellular or honeycombed supporting structure made of fused silica or a quartzose material. As it is being welded or fused to the supporting structure, the mirror plate is supported by supporting elements comprising seating members which at elevated temperature do not react with fusted silica. The surface of the seating members facing the mirror plate may be plane or curved or domed. The seating members are made of graphite or zirconium oxide. The supporting elements may also be made entirely of graphite. After the supporting structure and the mirror plate have been welded together, the supporting elements are removed.
REFERENCES:
patent: 3467511 (1969-09-01), George
patent: 3728186 (1973-04-01), Mohn
patent: 3840417 (1974-10-01), Yager
Heraeus Quarzschmelze GmbH
Kittle John E.
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