Corner joints and methods of forming corner joints. The corner joints may provide the appearance of a mortise and tenon joint on both the exterior and interior surfaces of the corner joint, but include a mitered connection within the joint. Structures including at least one of the corner joints are
Corner joints and methods of forming corner joints. The corner joints may provide the appearance of a mortise and tenon joint on both the exterior and interior surfaces of the corner joint, but include a mitered connection within the joint. Structures including at least one of the corner joints are also described.
대표청구항▼
1. A corner joint comprising: a first frame member defining a longitudinal axis and comprising a first corner end, wherein the first corner end comprises a first mitered surface located between an inner squared flange and an outer squared flange, wherein the inner squared flange defines a first plan
1. A corner joint comprising: a first frame member defining a longitudinal axis and comprising a first corner end, wherein the first corner end comprises a first mitered surface located between an inner squared flange and an outer squared flange, wherein the inner squared flange defines a first plane on one side of the first frame member and the outer squared flange defines a second plane on an opposite side of the first frame member, wherein the first plane and the second plane are parallel to each other, and wherein the inner squared flange comprises a free edge aligned with the longitudinal axis of the first frame member and wherein the outer squared flange comprises a free edge aligned with the longitudinal axis of the first frame member;a second frame member defining a longitudinal axis and comprising a second corner end, wherein the second corner end comprises a second mitered surface, an inner edge spaced longitudinally inwardly from the second mitered surface, and an outer edge spaced longitudinally inwardly from the second mitered surface, wherein the inner edge and the outer edge are oriented perpendicular to the longitudinal axis of the second frame member;wherein the first mitered surface faces the second mitered surface between the inner squared flange and the outer squared flange of the first frame member, wherein the first mitered surface and the second mitered surface define a miter joint plane that forms an acute angle with the longitudinal axis of the first frame member and an acute angle with the longitudinal axis of the second frame member, and wherein the inner squared flange obscures less of the first and second mitered surfaces when the corner joint is viewed from the side of the corner joint on which the inner flange is located than the outer flange obscures when the corner joint is viewed from the side of the corner joint on which the outer flange is located,wherein the free edge of the inner squared flange on the first frame member faces and is aligned with the inner edge of the second frame member to form an inner joint aligned with the longitudinal axis of the first frame member,wherein the free edge of the outer squared flange on the first frame member faces and is aligned with the outer edge of the second frame member to form an outer joint aligned with the longitudinal axis of the first frame member. 2. A corner joint according to claim 1, wherein the first frame member comprises a first corner end opening, wherein the second frame member comprises a second corner end opening, and wherein the corner joint further comprises a corner key comprising a first leg and a second leg, wherein the first leg is located in the first corner end opening and the second leg is located in the second corner end opening. 3. A corner joint according to claim 2, wherein the corner joint comprises adhesive material located between the inner squared flange and the corner key and adhesive material located between the outer squared flange and the corner key. 4. A corner joint according to claim 1, wherein the corner joint comprises an adhesive injection port aligned with an adhesive orifice formed through a corner key located within the corner joint, wherein adhesive material introduced into the corner joint through the adhesive injection port passes through the adhesive orifice before being distributed in the corner joint. 5. A corner joint according to claim 4, wherein the corner key comprises a via connected to the adhesive orifice by a channel formed in a first surface of the corner key, wherein adhesive material passing through the adhesive orifice flows into the channel and through the via to a second surface of the corner key. 6. A corner joint according to claim 1, wherein an inner surface of the outer squared flange is adhesively attached to the second frame member. 7. A corner joint according to claim 1, wherein an inner surface of the inner squared flange is adhesively attached to the second frame member. 8. A corner joint according to claim 1, wherein an inner surface of the outer squared flange is adhesively attached to a corner key located within the corner joint, and wherein the corner key comprises a dam positioned beneath the free edge of the outer squared flange such that adhesive is not located between the free edge of the outer squared flange and the corner key. 9. A corner joint according to claim 1, wherein an inner surface of the outer squared flange is adhesively attached to the second frame member and an inner surface of the inner squared flange is adhesively attached to the second frame member. 10. A corner joint comprising: a first frame member defining a longitudinal axis and comprising a first corner end that comprises a first corner end opening, wherein the first corner end further comprises a first mitered surface located between an inner squared flange and an outer squared flange, wherein the inner squared flange defines a first plane on one side of the first frame member and the outer squared flange defines a second plane on an opposite side of the first frame member, wherein the first plane and the second plane are parallel to each other;a second frame member defining a longitudinal axis and comprising a second corner end that comprises a second corner end opening, wherein the second corner end further comprises a second mitered surface, an inner edge spaced longitudinally inwardly from the second mitered surface, and an outer edge spaced longitudinally inwardly from the second mitered surface, wherein the inner edge and the outer edge are oriented perpendicular to the longitudinal axis of the second frame member;a corner key comprising a first leg and a second leg, wherein the first leg is located in the first corner end opening and the second leg is located in the second corner end opening; andadhesive material located between the inner squared flange and the corner key and adhesive material located between the outer squared flange and the corner key; wherein the first mitered surface faces the second mitered surface between the inner squared flange and the outer squared flange of the first frame member, wherein the first mitered surface and the second mitered surface define a miter joint plane that forms an acute angle with the longitudinal axis of the first frame member and an acute angle with the longitudinal axis of the second frame member, and wherein the inner squared flange obscures less of the first and second mitered surfaces when the corner joint is viewed from the side of the corner joint on which the inner flange is located than the outer flange obscures when the corner joint is viewed from the side of the corner joint on which the outer flange is located;wherein a free edge of the inner squared flange on the first frame member is aligned with the longitudinal axis of the first frame member and faces and is aligned with the inner edge of the second frame member, and wherein the free edge of the inner squared flange on the first frame member and the inner edge of the second frame form an inner joint aligned with the longitudinal axis of the first frame member,wherein a free edge of the outer squared flange on the first frame member is aligned with the longitudinal axis of the first frame member and faces and is aligned with the outer edge of the second frame member, and wherein the free edge of the outer squared flange on the first frame member and the outer edge of the second frame form an outer joint aligned with the longitudinal axis of the first frame member. 11. A corner joint according to claim 10, wherein the corner key comprises a via connected to the adhesive orifice by a channel formed in a first surface of the corner key, wherein adhesive material passing through the adhesive orifice flows into the channel and through the via to a second surface of the corner key. 12. A corner joint according to claim 10, wherein an inner surface of the outer squared flange is adhesively attached to the second frame member and an inner surface of the inner squared flange is adhesively attached to the second frame member. 13. A corner joint according to claim 10, wherein an inner surface of the outer squared flange is adhesively attached to a corner key located within the corner joint, and wherein the corner key comprises a dam positioned beneath the free edge of the outer squared flange such that adhesive is not located between the free edge of the outer squared flange and the corner key. 14. A method of forming a corner joint, the method comprising: forming a first mitered surface on a first corner end of a first frame member defining a longitudinal axis, wherein the first mitered surface is located between an inner squared flange and an outer squared flange at the first corner end of the first frame member, wherein the inner squared flange defines a first plane on one side of the first frame member and the outer squared flange defines a second plane on an opposite side of the first frame member, wherein the first plane and the second plane are parallel to each other, and wherein the inner squared flange comprises a free edge aligned with the longitudinal axis of the first frame member and the outer squared flange comprises a free edge aligned with the longitudinal axis of the first frame member;forming a second mitered surface on a second corner end of a second frame member defining a longitudinal axis;forming an inner edge on the second frame member that is spaced longitudinally inwardly from the second mitered surface and an outer edge on the second frame member that is spaced longitudinally inwardly from the second mitered surface, wherein the inner edge and the outer edge are oriented perpendicular to the longitudinal axis of the second frame member, and wherein the second mitered surface is located between the inner edge and the outer edge;attaching the first frame member to the second frame member such that the first mitered surface of the first frame member and the second mitered surface of the second frame member face each other between the inner squared flange and the outer squared flange of the first frame member within the corner joint, wherein the first mitered surface and the second mitered surface define a miter joint plane that forms an acute angle with the longitudinal axis of the first frame member and an acute angle with the longitudinal axis of the second frame member, wherein the inner squared flange obscures less of the first and second mitered surfaces when the corner joint is viewed from the side of the corner joint on which the inner flange is located than the outer flange obscures when the corner joint is viewed from the side of the corner joint on which the outer flange is located, the free edge of the inner squared flange on the first frame member abuts and is aligned with the inner edge of the second frame member to form an inner joint aligned with the longitudinal axis of the first frame member, and the free edge of the outer squared flange on the first frame member abuts and is aligned with the outer edge of the second frame member to form an outer joint aligned with the longitudinal axis of the first frame member. 15. A method according to claim 14, further comprising positioning a first leg of a corner key in a first corner opening of a first corner end of the first frame member and positioning a second leg of the corner key in a second corner opening of a second corner end of the second frame member. 16. A method according to claim 15, wherein the method further comprises providing adhesive material between the inner squared flange and the corner key and between the outer squared flange and the corner key. 17. A method according to claim 14, wherein the method further comprises injecting adhesive material into the corner joint through an adhesive injection port aligned with an adhesive orifice formed through a corner key located within the corner joint, wherein the adhesive material injected through the adhesive injection port passes through the adhesive orifice before being distributed in the corner joint. 18. A method according to claim 17, wherein the corner key comprises a via connected to the adhesive orifice by a channel formed in a first surface of the corner key, wherein the adhesive material injected through the adhesive orifice flows into the channel and through the via to a second surface of the corner key. 19. A method according to claim 14, wherein an inner surface of the outer squared flange is adhesively attached to the second frame member. 20. A method according to claim 14, wherein an inner surface of the inner squared flange is adhesively attached to the second frame member. 21. A method according to claim 14, wherein an inner surface of the outer squared flange is adhesively attached to a corner key located within the corner joint, and wherein the corner key comprises a dam positioned beneath the free edge of the outer squared flange such that adhesive material does not flow between the free edge of the outer squared flange and the corner key. 22. A structure comprising a first frame member defining a longitudinal axis and a second frame member defining a longitudinal axis attached to each other at a corner joint, wherein the corner joint comprises: a first mitered surface located between an inner squared flange and an outer squared flange on a first corner end of the first frame member, wherein the inner squared flange defines a first plane on one side of the first frame member and the outer squared flange defines a second plane on an opposite side of the first frame member, wherein the first plane and the second plane are parallel to each other;a second mitered surface located on a second corner end of the second frame member, an inner edge spaced longitudinally inwardly from the second mitered surface on the second corner end of the second frame member, and an outer edge spaced longitudinally inwardly from the second mitered surface on the second corner end of the second frame member, wherein the inner edge and the outer edge are oriented perpendicular to the longitudinal axis of the second frame member;wherein the first mitered surface faces the second mitered surface between the inner squared flange and the outer squared flange of the first frame member, wherein the first mitered surface and the second mitered surface define a miter joint plane that forms an acute angle with the longitudinal axis of the first frame member and an acute angle with the longitudinal axis of the second frame member, and wherein the inner squared flange obscures less of the first and second mitered surfaces when the corner joint is viewed from the side of the corner joint on which the inner flange is located than the outer flange obscures when the corner joint is viewed from the side of the corner joint on which the outer flange is located;wherein a free edge of the inner squared flange on the first frame member is aligned with the longitudinal axis of the first frame member and faces and is aligned with the inner edge of the second frame member, and wherein the free edge of the inner squared flange on the first frame member and the inner edge of the second frame form an inner joint aligned with the longitudinal axis of the first frame member,wherein a free edge of the outer squared flange on the first frame member is aligned with the longitudinal axis of the first frame member and faces and is aligned with the outer edge of the second frame member, and wherein the free edge of the outer squared flange on the first frame member and the outer edge of the second frame form an outer joint aligned with the longitudinal axis of the first frame member. 23. A structure according to claim 22, wherein the structure is selected from the group consisting of a window sash, window frame, door, door frame, and picture frame. 24. A structure according to claim 22, wherein the first frame member comprises a first corner end opening, wherein the second frame member comprises a second corner end opening, and wherein the corner joint further comprises a corner key comprising a first leg and a second leg, wherein the first leg is located in the first corner end opening and the second leg is located in the second corner end opening; wherein the corner joint comprises adhesive material located between the inner squared flange and the corner key and adhesive material located between the outer squared flange and the corner key;wherein the corner joint comprises an adhesive injection port aligned with an adhesive orifice formed through a corner key located within the corner joint, wherein adhesive material introduced into the corner joint through the adhesive injection port passes through the adhesive orifice before being distributed in the corner joint;and wherein the corner key comprises a via connected to the adhesive orifice by a channel formed in a first surface of the corner key, wherein adhesive material passing through the adhesive orifice flows into the channel and through the via to a second surface of the corner key.
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