Insulating units

Details Insulating units Insulating units

1995-12-11

1998-10-13

Mai, Lanna

Static structures (e.g., buildings)

Composite prefabricated panel including adjunctive means

Sandwich or hollow with sheet-like facing members

52790, E04C 254

Patent

active

058194991

ABSTRACT:
A sealed insulating unit including two parallel opposed panes with a spacing and sealing system therebetween defining, with said panes, a sealed gas spaced between them, said spacing and sealing system comprising a spacer frame with a primary seal between each side of the spacer frame and the opposing pane face and a secondary seal extending between the panes outside the outer peripheral face of the spacer frame characterised in that each primary seal is greater than 0.4 mm thick on construction of the unit and comprises at least 7 grams of sealant material on each side of the spacer frame per metre of the spacer frame length. There is also provided a method of producing a sealed insulating unit including the steps of providing a spacer frame of required size, applying primary sealant to each side face of the spacer frame, assembling the spacer frame with and between two opposed parallel panes so that the spacer frame with the panes defines a gas space therebetween, and, with a primary seal thickness of greater than 0.4 mm on each side of the spacer frame, applying a secondary sealant into a channel between the panes outside the outer peripheral face of the spacer frame and curing said secondary sealant in situ between the panes. There is further provided a spacer for a sealed insulating unit in which in the side walls of the spacer are defined elongate recesses, the dimensions of the recesses being selected such that sufficient primary sealant can be accomodated therein to provide in the sealed insulating unit opposed primary seals each at least 0.4 mm thick.

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Advertisement "Vitroform", Fr. Xaver Bayer, Hamburg, Germany.

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