US 11,746,588 B2
Method for forming a closed frame-shaped spacer for an insulating glass pane
Peter Schuler, Tiefenbronn (DE)
Assigned to Glaston Germany GmbH, Neuhausen-Hamberg (DE)
Filed by Glaston Germany GmbH, Neuhausen-Hamberg (DE)
Filed on Jun. 25, 2018, as Appl. No. 16/17,245.
Application 16/017,245 is a continuation of application No. PCT/EP2016/082635, filed on Dec. 23, 2016.
Prior Publication US 2018/0305973 A1, Oct. 25, 2018
Int. Cl. E06B 3/663 (2006.01); E06B 3/673 (2006.01); B32B 37/15 (2006.01)
CPC E06B 3/66328 (2013.01) [E06B 3/66357 (2013.01); E06B 3/6733 (2013.01); E06B 3/67334 (2013.01); B32B 37/15 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A method for forming a closed frame-shaped spacer for an insulating glass pane, the method comprising the steps of:
applying an initially pasty strand, which subsequently consolidates, delimited by a lower side, an upper side, a first side face and a second side face, and which has a thickness D between the lower side and the upper side as well as a width B between the two side faces, onto a glass plate along an edge of the glass plate in a manner wherein at a start of the strand, its thickness comprises a ramp over a section with length L, wherein the thickness of the strand increases from zero to the thickness D, and at an end of the strand, said thickness decreases from the thickness D to zero in a manner which is complementary to the increasing ramp over the same section L, overlapping the ramp, so that a surface of the ramp forms an interface between the start and the end of the strand;
post-treating the pasty strand at both of its side faces by merely applying pressure between a first jaw and a second jaw in a region which extends to either side of an edge of the interface between the start and the end of the strand, wherein at least a surface of the first jaw exerting pressure on the first side face of the strand which delimits an interior space of the insulating glass pane after assembly thereof has a property enabling the first side face of the strand which comes into contact with the surface of the first jaw to be removed therefrom by lifting the first jaw from the strand.