Form assembly for building framework
US4125973A · kind A · utility
61Cited by
12References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 28, 1977 |
| Grant date | Nov 21, 1978 |
| Priority date | — |
| Expiry date | Mar 28, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/343
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present form assembly has sheet metal, hollow, flanged corner joints which telescopically engage the adjoining ends of elongated sheet metal forms for beams, columns, roof arches and trusses, and the like. After the parts are fitted together metal straps on the elongated forms are bent back to affix them to the corner joints, after which the interconnected corner joints and elongated forms may be filled with concrete.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.