Flanged edge protector for window unit
US6276526A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1999 |
| Grant date | Aug 21, 2001 |
| Priority date | — |
| Expiry date | Sep 13, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24215
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An edge protector for a fenestration product is integrally formed of a single sheet of corrugated paperboard that has been perforated, slit, scored, glued, and folded in a particular manner so as to be generally flat in overall configuration prior to being placed in use. At the time of installation, the protector is partially unfolded out of its flat plane to assume an overall generally transversely L-shaped configuration, having a pair of legs intersecting one another at right angles to form a receiving corner for the face and side margins of the product. One leg of the protector forms a flap that covers a marginal portion of the face of the product when the protector is fitted onto the product, while the other leg forms a second flap that covers a marginal portion of the sides of the product. A stiff, relatively short spacer flange comprising a double layer of the material glued together projects edgewise from the outside of the corner in the opposite lateral direction from the side flap to keep the face of the product spaced away from foreign objects. Wrapping of the protector around an outside corner of the product is facilitated by the provision of tear-out tabs embodied in th…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.