Metal sheeting
US5201158A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 1990 |
| Grant date | Apr 13, 1993 |
| Priority date | — |
| Expiry date | Dec 6, 2010 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D3/362
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A metal sheet (1) having a first upstanding hook formation (3) along one edge (2) and a second, upstanding hook receiving formation (6) and a valley (7) along an opposite edge (5) the arrangement being such that the sheet can be fastened directly to a support without the interposition of separate clips and so that the first formation of one sheet can hook over the second formation of an adjoining sheet and cover its valley characterized by latching means (11, 12, 13, 14, 15 and 16b, 17, 19, 21) acting between the formations so that after interlocking the sheets said one sheet can be rotated about the hook receiving formation of the other sheet through at least 25.degree. before the formations can be disengaged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.