Gravel curb
US4419850A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 2, 1982 |
| Grant date | Dec 13, 1983 |
| Priority date | — |
| Expiry date | Feb 2, 2002 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D13/155
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A roof edging mechanism is shown as comprising a dam means adapted to be secured to the edge of the roof and to support a waterproof membrane, the dam means including an inclined portion having a lower edge engaging the roof and an upper edge, and a vertical portion having an upper edge connected to the edge of the inclined portion and a lower edge. The roof edging mechanism also includes a snap-on cap for covering at least a portion of the dam and for clamping the membrane against the dam. The snap-on cap includes a vertical portion adapted to overlie the vertical portion of the dam means, the vertical portion having a lower edge including means adapted to engage the lower edge of the vertical dam portion. The vertical portion of the snap-on also includes an upper edge, and an inclined spring portion extending downwardly from the upper edge, the inclined spring portion including a lower edge adjacent the lower edge of the inclined portion of the dam means and clamping the membrane against the lower edge of the dam portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.