Patent ID: 11879290
Assignee: VITRO FLAT GLASS LLC
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 11:
12. A method for forming an insulating glass unit comprising:
providing a pair of glass panes in a parallel, spaced apart relation;
providing at least one film;
stretching the film to remove wrinkles;
securing the film to one of a support structure and at least one edge spacer;
applying heat to anneal the film to shrink the film;
mechanically stretching the film to a tensioned state to remove wrinkles;
applying heat to further shrink the film, wherein applying heat to anneal the film, mechanically stretching the film, and applying heat to further shrink the film occurs after securing the film to one of the support structure and the at least one edge spacer;
positioning the film secured to one of the support structure between the pair of glass panes such that the film is positioned in a spaced apart parallel relationship between the pair of glass panes; and
providing the at least one edge spacer and a primary sealant between adjacent edges of the pair of panes to provide an integral sealed unit defining a space therebetween.