B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
32/32, 32/50, 11
B05C 11/04 (2006.01) B05B 15/04 (2006.01) C03C 17/10 (2006.01) C23C 2/16 (2006.01) E06B 3/673 (2006.01)
Patent
CA 1185127
ABSTRACT The invention is concerned with a method of and an apparatus for applying a coating of solder to a metallised margin of a vitreous sheet. The method of the invention is characterized in that an excess of molten solder is supplied along the sheet margin and in that the thus supplied solder is treated while molten with a doctor knife so that excess quantities of molten solder are continuously directed towards and over the edge of the sheet. This method is carried out in an apparatus comprising a support defining a predetermined locus for the vitreous sheet; means for supply- ing an excess of molten solder along a margin of the sheet carried by the support; means for effecting relative movement between the sheet carried by the support and such solder supply means, and a doctor knife associated with the solder supply means and arranged so as to direct continuously excess quanti- ties of molten solder towards and over the edge of the sheet, The invention finds use in particular in the field of multiple glazing panels in which vitreous sheets may be soldered directly to one another at their margins or in which vitreous sheets are held spaced apart by intervening metallic spacer members soldered to the metallised and solder coated margins of the sheets.
398418
Cielen Marcel
Laurent Michel
Glaverbel
Swabey Ogilvy Renault
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