Glass appliance cover with bonded hardware

• US 8,276,409 B2
• Filed: 11/02/2010
• Issued: 10/02/2012
• Est. Priority Date: 11/05/2009
• Status: Active Grant

• Current Assignee: Magna Mirrors of America Incorporated (Magna International Incorporated)
• Original Assignee: Magna Mirrors of America Incorporated (Magna International Incorporated)
• Inventors: Tooker, Troy F.
• Primary Examiner(s): Mitchell, Katherine W
• Assistant Examiner(s): REPHANN, JUSTIN B
• Application Number:
  US12/917,696
• Publication Number:
  US 20110101838A1
• Time in Patent Office: 700 Days
• Field of Search: 493/81, 495/01, 681/96
• US Class Current: 68/196
• CPC Class Codes: D06F 39/14 Doors or covers; Securing means therefor

Abstract

A cover assembly for an appliance includes a glass panel and at least one metallic attachment element bonded to an inner surface of the glass panel via a layer of cured adhesive. The at least one metallic element is configured for mounting to at least one corresponding structure of the appliance to mount the cover assembly at the appliance. The layer of cured adhesive bonds the at least one metallic element to the inner surface of the glass panel without exposure of the bonded element on an outer surface of the glass panel. A perimeter frame portion may be established around a perimeter region of the glass panel.

Claims

1. A cover assembly for an appliance, said cover assembly comprising:

a glass panel having an outer surface and an inner surface and a perimeter region and a perimeter edge, said perimeter edge extending between said inner surface and said outer surface and along the periphery of said glass panel;

at least one metallic attachment element bonded to said inner surface of said glass panel via a layer of cured adhesive, wherein said at least one metallic attachment element is configured for mounting to a corresponding structure of the appliance to mount said cover assembly at the appliance;

wherein said layer of cured adhesive bonds said at least one metallic attachment element to said inner surface of said glass panel without exposure of said bonded metallic attachment element on said outer surface of said glass panel;

a perimeter frame established around said perimeter region of said glass panel; and

wherein said perimeter frame encompasses said perimeter region of said inner surface of said glass panel and encompasses said perimeter edge of said glass panel, and wherein no portion of said outer surface of said glass panel is encompassed by said perimeter frame such that said outer surface of said glass panel is generally co-planar with an outer surface of said perimeter frame along said perimeter region of said glass panel.

2. The cover assembly of claim 1, wherein said perimeter frame is molded over and along said perimeter region of said glass panel.

3. The cover assembly of claim 1, wherein said perimeter frame is bonded via a second layer of cured adhesive to said inner surface of said glass panel and along said perimeter region of said glass panel.

4. The cover assembly of claim 3, wherein said perimeter frame comprises a polymeric material.

5. The cover assembly of claim 4, wherein said second layer of cured adhesive comprises a single component urethane adhesive.

6. The cover assembly of claim 1, further comprising an opaque coating established at said perimeter region of said glass panel.

7. The cover assembly of claim 1, further comprising an opaque coating established at said perimeter region of said glass panel and at least at the area at which said at least one metallic attachment element is bonded.

8. The cover assembly of claim 1, wherein said at least one metallic attachment element includes a plurality of protrusions extending from a generally planar portion of said at least one metallic attachment element to set a thickness of said layer of cured adhesive between said generally planar portion of said at least one metallic attachment element and said inner surface of said glass panel.

9. The cover assembly of claim 8, further comprising a ceramic frit layer established at least at a bracket mounting area at which said generally planar portion of, said at least one metallic attachment element is bonded.

10. The cover assembly of claim 9, wherein said layer of cured adhesive comprises a two component urethane adhesive having an isocyanate component and a polyol component.

11. The cover assembly of claim 10, wherein said at least one metallic attachment element is E-coated.

12. The cover assembly of claim 1, wherein said at least one metallic attachment element comprises at least one metallic hinge element configured for mounting to a hinge structure of the appliance to hingedly mount said cover assembly at the appliance.

13. The cover assembly of claim 12 further comprising a latch element bonded to said inner surface of said glass panel via a second layer of cured adhesive, and wherein said latch element is disposed at said perimeter region and is configured for engaging a corresponding latch of the appliance to retain said cover assembly in a closed position when said at least one metallic hinge attachment element is mounted to at least one hinge structure of the appliance to mount said cover assembly at the appliance.

14. A cover assembly for an appliance, said cover assembly comprising:

a glass panel having an outer surface and an inner surface and a perimeter edge extending between said inner surface and said outer surface and along the periphery of said glass panel;

a pair of metallic attachment elements bonded to said inner surface of said glass panel via a layer of cured adhesive, wherein said pair of metallic attachment elements are spaced apart along a perimeter region of said inner surface and are configured for mounting to a pair of corresponding structures of the appliance to mount said cover assembly at the appliance;

an opaque coating established at said perimeter region of said glass panel and at least at a bracket mounting area at which said pair of metallic attachment elements are bonded;

wherein said layer of cured adhesive bonds said pair of metallic attachment elements to said inner surface of said glass panel without exposure of said bonded metallic attachment elements on said outer surface of said glass panel; and

a perimeter frame established around the periphery of said glass panel, wherein said perimeter frame is molded over and along said periphery of said glass panel; and

wherein said perimeter frame encompasses said perimeter region of said inner surface of said glass panel and encompasses said perimeter edge of said glass panel, and wherein no portion of said outer surface of said glass panel is encompassed by said perimeter frame such that said outer surface of said glass panel is generally co-planar with an outer surface of said perimeter frame along the periphery of said glass panel.

15. The cover assembly of claim 14, wherein said layer of cured adhesive comprises a two component urethane adhesive.

16. The cover assembly of claim 14, wherein each of said pair of metallic attachment elements includes a plurality of protrusions extending from a generally planar portion of said metallic attachment element to set a thickness of said layer of cured adhesive between said generally planar portion of said metallic attachment element and said inner surface of said glass panel.

17. The cover assembly of claim 16, wherein an adhesion promoting primer is established at said bracket mounting area, and wherein said layer of cured adhesive comprises a two component urethane adhesive having an isocyanate component and a polyol component.

18. The cover assembly of claim 17, wherein said pair of metallic attachment elements are E-coated.

19. The cover assembly of claim 14, wherein said pair of metallic attachment elements comprises a pair of metallic hinge attachment elements spaced apart along a said perimeter region of said inner surface and are configured for mounting to a pair of hinge structures of the appliance to mount said cover assembly at the appliance.

20. The cover assembly of claim 19, further comprising a latch element bonded to said inner surface of said glass panel via a second layer of cured adhesive, wherein said latch element is disposed at an opposite perimeter region of said inner surface of said glass panel and is configured for engaging a corresponding latch of the appliance to retain said cover assembly in a closed position when said pair of metallic hinge attachment elements are mounted to hinge structures of the appliance to mount said cover assembly at the appliance.