Window assemblies
US4999958A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 20, 1990 |
| Grant date | Mar 19, 1991 |
| Priority date | — |
| Expiry date | Apr 20, 2010 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B1/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A window assembly comprises a rigid first frame (1) defining an opening; and a glazed second frame (9) adapted to be fitted into and close off the opening in the first frame (1), the second frame (9) being of a plastics material and having a resilient part (27) integral therewith which permits the second frame (9) to be moved in one direction into the opening and thereafter coacts with the first frame (1) to prevent the second frame (9) from being withdrawn from the first frame (1) in the direction which is opposite to the first direction. There is provided a method of glazing a window opening within a building which comprises applying a first metal frame (1) having a channel section and generally rectangular perimeter to a window opening during the course of erection of the building, securing the said first frame (1) to the building structure adjacent it (with or without a sill (3) between one part of the first frame (1) and the lower surface of the window opening) during erection of the building then subsequently applying a glazed second frame (9) having retaining means (27) to the first frame (1) such that the retaining means (27) are caused to engage the first frame (1) to secu…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.