Plastic spacer stock, plastic spacer frame and multi-sheet unit, and method of making same
US7739851B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2007 |
| Grant date | Jun 22, 2010 |
| Priority date | — |
| Expiry date | Jul 18, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49798
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention provides a spacer frame for making a multi-sheet unit. The frame includes a spacer stock member having a first end and a second end, and a corner key comprising a bendable elongated body having a first end in the first end of the spacer stock member, an opposite second end in the second end of the spacer stock member, and a cut out between the ends, the ends of the corner key bendable relative to one another to decrease the spacing of the cut out.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.