Fixing element for double glass plates
US6632056B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 17, 2002 |
| Grant date | Oct 14, 2003 |
| Priority date | — |
| Expiry date | Apr 17, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/61
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A fastening element for doubleglass panels has a threaded bolt having a forward end and provided with an expansion cone at the forward end, an annular expansion element pushed onto the expansion cone for expansion in a hole drilled in a rear glass panel and provided with an undercut in a region of a bottom of the drilled hole, a cap placed on the expansion element and resting against an end face of the threaded bolt, and a spacing sleeve arranged on a shank of the threaded bolt so as to rest against the rear glass panel and to pass through a front glass panel, the spacing sleeve having a portion engageable in the hole drilled in the rear glass panel and providing an abutment for the expansion element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.