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Spacer frame for heat insulation unit with reinforced side walls to resist twisting
Spacer frame for heat insulation unit with reinforced side walls to resist twisting
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机译:隔热单元的隔板框架,带有加固的侧壁以防止扭曲
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摘要
An insulating unit (20) having low thermal conducting marginal edge portions includes a pair of glass sheets (24,26) maintained in a fixed spaced relationship by an edge assembly. The edge assembly includes a spacer frame (22) having a moisture impervious adhesive sealant (46) on outer surface (48) of each of the outer legs (30,32) and base (34) interconnecting the outer legs. The spacer frame is made by joining sections of spacer stock or bending a continuous section of spacer stock. The spacer stock has a pair of outer legs (30,32) joined by the base (34) to provide the spacer stock with a generally U-shaped cross section. The outer legs are formed e.g. each leg has a pair of members (36,42) having a hairpin cross section to reduce the degree of torsional twist of the spacer stock and/or spacer frame with the legs preferably only connected by the base having only one thermal conducting path e.g. through the base from one leg to the other leg. In practice, the spacer frame is used to fabricate the unit by securing a glass sheet (24,26) to each of the outer legs with the moisture impervious adhesive sealant (46). IMAGE
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