Method and apparatus for an insulating glazing unit and compliant seal for an insulating glazing unit
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E06B-003/677
E04C-002/54
E04C-002/34
E06B-003/66
출원번호
US-0464951
(2012-05-04)
등록번호
US-9328512
(2016-05-03)
발명자
/ 주소
Francis, IV, William H.
Freebury, Gregg E.
Beidleman, Neal J.
Hulse, Michael
출원인 / 주소
EverSealed Windows, Inc.
대리인 / 주소
Howison & Arnott, LLP
인용정보
피인용 횟수 :
1인용 특허 :
161
초록▼
A Vacuum Insulating Glazing Unit (VIGU) comprises two or more glass lites (panes) spaced apart from one another and hermetically bonded to an edge seal assembly therebetween. The resulting cavity between the lites is evacuated to create at least one insulating vacuum cavity within which are disposed
A Vacuum Insulating Glazing Unit (VIGU) comprises two or more glass lites (panes) spaced apart from one another and hermetically bonded to an edge seal assembly therebetween. The resulting cavity between the lites is evacuated to create at least one insulating vacuum cavity within which are disposed a plurality of stand-off members to maintain separation between the lites. The edge seal assembly is preferably compliant in the longitudinal (i.e., edgewise) direction to allow longitudinal relative motion between the two lites (e.g., from thermal expansion). The longitudinal compliance may be obtained by imprinting a three-dimensional pattern into the edge seal material. The edge seal assembly is preferably bonded to the lites with a first bond portion that is hermetic and a second bond portion that is load-resistant. Methods for producing VIGUs and/or compliant edge seal assemblies and VIGU and edge seal apparatus are disclosed.
대표청구항▼
1. An insulating glazing unit comprising: a first generally rectangular lite formed from a hermetic transparent material defining an outer surface, an inner surface and a peripheral edge extending therebetween, the peripheral edge of the first lite comprising at least four straight side edges and at
1. An insulating glazing unit comprising: a first generally rectangular lite formed from a hermetic transparent material defining an outer surface, an inner surface and a peripheral edge extending therebetween, the peripheral edge of the first lite comprising at least four straight side edges and at least four corners, wherein at least one corner is disposed along the peripheral edge between successive straight side edges along the peripheral edge, and wherein each specific straight side edges defines a local longitudinal direction running parallel to that specific straight side edge and a local lateral direction running perpendicular to that specific straight side edge;a second generally rectangular lite formed from a hermetic transparent material defining an outer surface, an inner surface and a peripheral edge extending therebetween, the peripheral edge of the second lite comprising at least four straight side edges and at least four corners, wherein at least one corner is disposed along the peripheral edge between successive straight side edges along the peripheral edge, the second lite being spaced-apart from the first lite and having the straight side edges of the second lite aligned with the straight side edges of the first lite to define an insulating cavity therebetween, the respective inner surfaces of the first and second lites facing the insulating cavity between the lites;an edge seal bonded between the first lite and the second lite, the edge seal formed from a hermetic material; andthe edge seal including a plurality of compliant regions, at least a respective one of the plurality of compliant regions being disposed adjacent to each respective one of the straight side edges and each of the respective compliant regions having a surface formed in a three-dimensional pattern, the three-dimensional pattern including surface contours of hills and valleys repeating in the local longitudinal direction as defined by the respective adjacent straight side edge; andwherein the unit is a vacuum insulating glazing unit and the insulating cavity is evacuated to a vacuum within the range from 1×10−6 torr to 1×10−3 torr. 2. An insulating glazing unit in accordance with claim 1, wherein the edge seal is hermetically bonded to an upper surface of first lite and to a lower surface of the second lite. 3. An insulating glazing unit in accordance with claim 1, wherein the hermetic materials used to form the sealed cavity have a leak rate that is sufficiently low such that the internal pressure within the sealed cavity changes by less than 1×10−3 torr over a period of at least ten years. 4. An insulating glazing unit in accordance with claim 3, wherein the hermetic materials used to form the sealed cavity have a leak rate that is sufficiently low such that the internal pressure within the sealed cavity changes by less than 1×10−3 torr over a period of at least thirty years. 5. An insulating glazing unit in accordance with claim 4, wherein the hermetic materials used to form the sealed cavity have a leak rate that is sufficiently low such that the internal pressure within the sealed cavity changes by less than 1×10−3 torr over a period of at least forty years. 6. An insulating glazing unit in accordance with claim 1, wherein: the edge seal further includes a plurality of first lite bonding regions, each respective first lite bonding region being disposed on a first side of the respective compliant region and bonded to the first lite by a first hermetic bond formed between a first portion of the respective first lite bonding region and the first lite,a plurality of second lite bonding regions, each of the second lite bonding region being disposed on a second side of the respective compliant region and bonded to the second lite by a second hermetic bond formed between a first portion of the respective second lite bonding region and the second lite; andthe three-dimensional pattern of each respective compliant region of the edge seal includes hill and valley contours repeating in the local longitudinal direction as defined by the respective adjacent straight side edge formed in at least a first edge seal portion running in the local longitudinal direction disposed adjacent the peripheral edges of the first and second lites and between two planes defined by the outer surface of the first lite and the outer surface of the second lite. 7. An insulating glazing unit in accordance with claim 6, wherein each respective compliant region, when viewed in cross section in the local longitudinal direction, includes at least one respective convolution disposed between the first lite bonding region and the second lite bonding region, the respective convolution resulting in the respective compliant region forming at least two substantially parallel edge seal portions when viewed in cross section, each edge seal portion including hill and valley contours repeating in the local longitudinal direction. 8. An insulating glazing unit in accordance with claim 7, wherein the three dimensional pattern is disposed on at least two substantially parallel portions of each respective compliant region that are separated by at least one convolution. 9. An insulating glazing unit in accordance with claim 7, wherein each respective compliant region includes at least two convolutions disposed between the first lite bonding region and the second lite bonding region. 10. An insulating glazing unit in accordance with claim 7, wherein each respective compliant region includes at least three substantially parallel portions, when viewed in cross section in the local longitudinal direction. 11. An insulating glazing unit in accordance with claim 10, wherein the three dimensional pattern is disposed on at least two of the substantially parallel portions of each respective compliant region that are separated by at least one convolution. 12. An insulating glazing unit in accordance with claim 1, wherein the surface contours of hills and valleys repeating in the longitudinal direction have relatively rounded peaks. 13. An insulating glazing unit in accordance with claim 1, wherein the surface contours of hills and valleys repeating in the local longitudinal direction have relatively sharp, pointed peaks. 14. An insulating glazing unit comprising: a first generally rectangular lite formed from a hermetic transparent material defining an outer surface, an inner surface and a peripheral edge extending therebetween, the peripheral edge of the first lite comprising at least four straight side edges and at least four corners, wherein at least one corner is disposed along the peripheral edge between successive straight side edges along the peripheral edge, and wherein each specific straight side edges defines a local longitudinal direction running parallel to that specific straight side edge and a local lateral direction running perpendicular to that specific straight side edge;a second generally rectangular lite formed from a hermetic transparent material defining an outer surface, an inner surface and a peripheral edge extending therebetween, the peripheral edge of the second lite comprising at least four straight side edges and at least four corners, wherein at least one corner is disposed along the peripheral edge between successive straight side edges along the peripheral edge, the second lite being spaced-apart from the first lite and having the straight side edges of the second lite aligned with the straight side edges of the first lite to define an insulating cavity therebetween, the respective inner surfaces of the first and second lites facing the insulating cavity between the lites;an edge seal bonded between the first lite and the second lite, the edge seal formed from a hermetic material; andthe edge seal including a plurality of compliant regions, at least a respective one of the plurality of compliant regions being disposed adjacent to each respective one of the straight side edges and each of the respective compliant regions having a surface formed in a three-dimensional pattern, the three-dimensional pattern including surface contours of hills and valleys repeating in the local longitudinal direction as defined by the respective adjacent straight side edge; andwherein the first lite further defines a thickness direction running parallel to the peripheral edge and perpendicular to both the local longitudinal and local lateral directions, and wherein the three-dimensional pattern further includes surface contours of hills and valleys repeating in the thickness direction.
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