Insulated glazing with spacer, related methods and uses

• US 10,344,525 B2
• Filed: 06/19/2015
• Issued: 07/09/2019
• Est. Priority Date: 06/27/2014
• Status: Expired due to Fees

• Current Assignee: Saint-Gobain Glass France (Compagnie De Saint-Gobain)
• Original Assignee: Saint-Gobain Glass France (Compagnie De Saint-Gobain)
• Inventors: Kuster, Hans-Werner, Koette, Rolf, Schreiber, Walter
• Primary Examiner(s): Loney, Donald J
• Application Number:
  US15/321,161
• Publication Number:
  US 20170145734A1
• Time in Patent Office: 1,481 Days
• CPC Class Codes: E06B 3/66328 of rubber, plastics or similar materials E06B3/66314, E06B3/66323 and E06B3/66342 take precedence; transparent materials E06B3/66333
• CPC Class Codes: E06B 3/66361 with special structural provisions for holding drying agents, e.g. packed in special containers
• CPC Class Codes: E06B 3/66366 specially adapted for units comprising more than two panes or for attaching intermediate sheets
• CPC Class Codes: E06B 3/67326 Assembling spacer elements with the panes
• CPC Class Codes: E06B 3/6733 by applying, e.g. extruding, a ribbon of hardenable material on or between the panes
• CPC Class Codes: Y02B 80/22 Glazing, e.g. vaccum glazing

Abstract

An insulating glazing unit having a first pane, a second pane, an outer pane interspace, an inner pane interspace, and a spacer is described. The spacer has a glazing interior surface, a first pane contact surface, and a second pane contact surface, a plastic profile, a primary sealing means, and a main member. The main member contains a sealing material containing a drying material. The plastic profile separates the outer pane interspace from the inner pane interspace. The main member is arranged in the outer pane interspace adjacent the plastic profile and the primary sealing means is arranged in the outer pane interspace adjacent the main member.

Claims

1. An insulating glazing unit comprising:

a first pane;

a second pane;

an outer pane interspace defined by a space between the first pane and the second pane bounded on one side by first edges of said panes;

an inner pane interspace defined by a space between the first pane and the second pane bounded on one side by second edges of said panes opposite the first edges; and

a spacer comprising;

a glazing interior surface;

a first pane contact surface;

a second pane contact surface;

a plastic profile;

a primary sealing means; and

a main member containing at least one sealing material containing a drying material,

wherein;

the plastic profile separates the outer pane interspace from the inner pane interspace,

the main member is arranged in the outer pane interspace adjacent and in direct contact with the plastic profile,

the primary sealing means is arranged in the outer pane interspace adjacent and in direct contact with the main member,

the first pane and the second pane each make direct contact with the plastic profile and the primary sealing means respectively at the first pane contact surface and the second pane contact surface, and

the primary sealing means encloses the main member on three sides.

2. The insulating glazing unit according to claim 1, further comprising a third pane arranged between the first pane and the second pane,

wherein:

the glazing interior surface comprises a first glazing interior surface and a second glazing interior surface,

the plastic profile comprises;

a first plastic profile on the first glazing interior surface between the first pane and the third pane; and

a second plastic profile on the second glazing interior surface between the third pane and the second pane,

the main member is arranged between the first pane and the second pane, and

the third pane protrudes into the main member in a region between the first plastic profile and the second plastic profile.

3. The insulating glazing unit according to claim 1, wherein the plastic profile comprises at least one opening to enable gas and moisture exchange between the main member and the inner pane interspace.

4. The insulating glazing unit according to claim 3, wherein the at least one opening comprises a plurality of openings.

5. The insulating glazing unit according to claim 1, wherein:

in the outer pane interspace between the first pane and the second pane, a secondary sealing means is arranged adjoining the primary sealing means, the secondary sealing means comprising a polymer or silane-modified polymer.

6. The insulating glazing unit according to claim 5, wherein the secondary sealing means comprises one or more of organic polysulfides, silicones, room-temperature vulcanizing silicone rubber, high-temperature vulcanizing silicone rubber, peroxide vulcanizing silicone rubber, and/or addition vulcanizing silicone rubber, polyurethanes, or butyl rubber.

7. The insulating glazing unit according to claim 2, wherein the third pane protrudes into the main member through a partial height of the main member relative to an entire height of the main member.

8. The insulating glazing unit according to claim 7, wherein the partial height is in a range of 20% to 80% of the entire height.

9. The insulating glazing unit according to claim 7, wherein the partial height is in a range of 30% to 60% of the entire height.

10. The insulating glazing unit according to claim 2, wherein the third pane protrudes beyond an entire height of the main member into the main member and/or the third pane protrudes through the primary sealing means.

11. The insulating glazing unit according to claim 10, wherein the third pane protrudes through the primary sealing means.

12. The insulating glazing unit according to claim 10, wherein the third pane protrudes through a secondary sealing means.

13. The insulating glazing unit according to claim 1, wherein the main member contains a sealing material and a desiccant.

14. The insulating glazing unit according to claim 13, wherein the sealing material comprises a hot-melt adhesive, polyisobutylene, and/or butyl rubber.

15. The insulating glazing unit according to claim 13, wherein the desiccant comprises silica gels, molecular sieves, CaCl₂, Na₂SO₄, activated carbon, silicates, bentonites, zeolites, and/or mixtures thereof.

16. The insulating glazing unit according to claim 1, wherein the plastic profile contains polyethylene (PE), polycarbonates (PC), polypropylene (PP), polystyrene, polybutadiene, polynitriles, polyesters, polyurethanes, polymethyl methacrylates, polyacrylates, polyamides, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), acrylonitrile butadiene styrene (ABS), acrylonitrile styrene acrylester (ASA), acrylonitrile butadiene styrene/polycarbonate (ABS/PC), styrene acrylonitrile (SAN), PET/PC, PBT/PC, and/or copolymers or mixtures thereof.

17. The insulating glazing unit according to claim 1, wherein the primary sealing means contains butyl rubber, polyisobutylene, polyolefin rubber, copolymers, and/or mixtures thereof.

21. A method, comprising:

providing an insulating glazing unit according to claim 1; and

using of the insulating glazing unit as a building interior glazing, a building exterior glazing, and/or a faç

ade glazing.

18. A method for producing an insulating glazing unit, the method comprising:

preparing a spacer by coextruding a main member containing a sealing material containing a desiccant and a primary sealing means on a plastic profile;

providing a first pane and a second pane;

bringing the first pane in direct contact with a first pane contact surface of the spacer, and bringing the second pane in direct contact with a second pane contact surface of the spacer, such that the plastic profile is arranged on a glazing interior surface of the spacer; and

pressing together the first pane, the second pane, and the spacer, thereby producing a pane arrangement of the insulating glazing unit having a stable adhesive bond,

wherein the insulating glazing unit comprises;

the first pane and the second pane;

an outer pane interspace defined by a space between the first pane and the second pane bounded on one side by first edges of said panes;

an inner pane interspace defined by a space between the first pane and the second pane bounded on one side by second edges of said panes opposite the first edges; and

the spacer comprising;

the glazing interior surface;

the first pane contact surface;

the second pane contact surface;

the plastic profile;

the primary sealing means; and

the main member containing the sealing material containing a drying material,

wherein;

the plastic profile separates the outer pane interspace from the inner pane interspace,

the main member is arranged in the outer pane interspace adjacent and in direct contact with the plastic profile,

the primary sealing means is arranged in the outer pane interspace adjacent and in direct contact with the main member,

the first pane and the second pane each make direct contact with the plastic profile and the primary sealing means respectively at the first pane contact surface and the second pane contact surface, and

the primary sealing means encloses the main member on three sides.

19. A method for producing an insulating glazing unit, the method comprising:

providing a first pane, a second pane, and a third pane;

arranging a first plastic profile between the first pane and the third pane and arranging a second plastic profile, at a same height as the first plastic profile, between the third pane and the second pane, the first plastic profile and the second plastic profile forming a plastic profile at an outer pane interspace of the insulating glazing unit, and

coextruding onto the plastic profile a primary sealing means and a main member containing a sealing material with desiccant,

wherein the insulating glazing unit comprises;

the first pane, the second pane, and the third pane;

an outer pane interspace defined by a space between the first pane and the second pane bounded on one side by first edges of said panes;

an inner pane interspace defined by a space between the first pane and the second pane bounded on one side by second edges of said panes opposite the first edges; and

a spacer comprising;

the glazing interior surface comprising a first glazing interior surface and a second glazing interior surface;

the first pane contact surface;

the second pane contact surface;

the plastic profile comprising a first plastic profile on the first glazing interior surface between the first pane and the third pane; and

a second plastic profile on the second glazing interior surface between the third pane and the second pane;

the primary sealing means; and

the main member containing the sealing material containing a drying material,

wherein;

the plastic profile separates the outer pane interspace from the inner pane interspace,

the main member is arranged between the first and second panes in the outer pane interspace adjacent and in direct contact with the plastic profile,

the primary sealing means is arranged in the outer pane interspace adjacent and in direct contact with the main member,

the first pane and the second pane each make direct contact with the plastic profile and the primary sealing means respectively at the first pane contact surface and the second pane contact surface,

the third pane protrudes into the main member in a region between the first plastic profile and the second plastic profile, and

the primary sealing means encloses the main member on three sides.

20. A method for producing an insulating glazing unit, the method comprising:

providing a third pane;

coextruding a main member containing a desiccant together with a primary sealing means around the third pane, and, simultaneously mounting;

a first plastic profile on a first glazing interior surface, and

a second plastic profile on a second glazing interior surface directly adjacent the main member;

providing a first pane and a second pane;

bringing the first pane and the second pane respectively in direct contact with a first pane contact surface and a second pane contact surface of a spacer, the spacer comprising the first plastic profile, the second plastic profile, the main member, and the primary sealing means; and

pressing together the first pane, the second pane, the third pane, and the spacer, thereby producing a pane arrangement of the insulating glazing unit having a stable adhesive bond

wherein the insulating glazing unit comprises;

the first pane, the second pane, and the third pane;

an outer pane interspace defined by a space between the first pane and the second pane bounded on one side by first edges of said panes;

an inner pane interspace defined by a space between the first pane and the second pane bounded on one side by second edges of said panes opposite the first edges; and

the spacer comprising;

the glazing interior surface comprising a first glazing interior surface and a second glazing interior surface;

the first pane contact surface;

the second pane contact surface;

a plastic profile comprising the first plastic profile on the first glazing interior surface between the first pane and the third pane; and

the second plastic profile on the second glazing interior surface between the third pane and the second pane;

the primary sealing means; and

the main member containing the sealing material containing a drying material,

wherein;

the plastic profile separates the outer pane interspace from the inner pane interspace,

the main member is arranged between the first and second panes in the outer pane interspace adjacent and in direct contact with the plastic profile,

the primary sealing means is arranged in the outer pane interspace adjacent and in direct contact with the main member,

the first pane and the second pane each make direct contact with the plastic profile and the primary sealing means respectively at the first pane contact surface and the second pane contact surface,

the third pane protrudes into the main member in a region between the first plastic profile and the second plastic profile, and

the primary sealing means encloses the main member on three sides.