Plastic spacer stock, plastic spacer frame and multi-sheet unit, and method of making same
US7827761B2 · kind B2 · utility
24Cited by
77References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2007 |
| Grant date | Nov 9, 2010 |
| Priority date | — |
| Expiry date | Aug 20, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2003/66395
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention provides spacer stock for making a spacer frame for a multi-sheet unit. The spacer stock includes a first supporting surface; a second supporting surface opposite to, and facing away from, the first supporting surface; a base surface between and connecting the first and second supporting surfaces, and wherein the first and second supporting surfaces and base surface are made of plastic and rate of moisture and/or gas movement through portions of the first and second supporting surfaces is greater than the rate of moisture and/or gas movement, respectively through the base surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.