US 12,116,833 B2
Method of applying a seal material in the manufacture of a VIG unit
Annette Johncock Krisko, Prarie du Sac, WI (US); Peter Sønderkær, Hørsholm (DK); Karsten Hansgaard Nielsen, Hørsholm (DK); Henrik Aslak Jensen, Hørsholm (DK); and Timothy Alan Dennis, Hørsholm (DK)
Assigned to VKR HOLDING A/S., Horsholm (DK)
Appl. No. 17/287,555
Filed by VKR Holding A/S, Hørsholm (DK)
PCT Filed Nov. 5, 2019, PCT No. PCT/DK2019/050332
§ 371(c)(1), (2) Date Apr. 22, 2021,
PCT Pub. No. WO2020/094197, PCT Pub. Date May 14, 2020.
Claims priority of application No. PA201870732 (DK), filed on Nov. 7, 2018.
Prior Publication US 2021/0381304 A1, Dec. 9, 2021
Int. Cl. E06B 3/66 (2006.01); E06B 3/673 (2006.01); E06B 3/677 (2006.01)
CPC E06B 3/6733 (2013.01) [E06B 3/6612 (2013.01); E06B 3/6775 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method of applying a seal material in manufacturing a vacuum insulated glazing (VIG) unit, wherein the VIG unit comprises:
a first glass sheet, having a first interior major surface and a first exterior major surface,
a second glass sheet having a second interior major surface and second exterior major surface, the glass sheets are placed in parallel with said interior major surfaces facing each other and providing a gap therein between, wherein a plurality of support structures are distributed in said gap, and
a seal material for providing a seal of said gap,
wherein the method comprises the steps of:
providing one of said glass sheets,
arranging said seal material on a major surface of at least one of said glass sheets by means of a nozzle having a nozzle opening of elongated shape,
wherein a width of the nozzle opening is between 3-15 mm measured along a major axis of the nozzle opening, and wherein the seal material when applied has a width of between 3-12 mm measured along the major surface of the glass sheet on which the seal material is deposited, and wherein the seal material width is between 0.7-1.3 times the nozzle width;
providing the plurality of support structures on the major surface of at least one of the glass sheets;
pairing said first glass sheet and said second glass sheet so that the surface of the at least one of said glass sheets comprising the seal material is the interior surface, and
evacuating said gap so as to provide said VIG unit.