Insulating unitless window sash

作者: Stephen L. Crandell

DOI:

关键词: Sash windowMaterials scienceGeometryOptics

摘要: An insulating unitless window sash includes a frame made of four linear members having their mitered edges joined together. Each the in cross section peripheral surface, first and outer side walls groove spaced from second groove. grooves has base walls. The is greater distance surface than Peripheral marginal sheet are A shim mounted on adjacent to give balance configuration. method fabricating also disclosed.