A method for fastening a plate- .linevert shaped k .linevert rpers from glassy silica on a supporting substructure

摘要

PICT:1081761/C1/1 In a method as described and claimed in Specification 1,036,137 for mounting a fastening device on a block of silica glass 1, the former used to define the cavity in the glass comprises a peg 4 surrounded by a thin-walled carbonaceous dummy insert 5, which can be removed by burning it or by abrasion. The silica glass is pressed into a former plate 2, from which the pegs 4 project, surrounded by a rectangular frame 3. missing page 78