System for defining openings in tilt-up walls
US7780894B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Dec 15, 2006 |
| Grant date | Aug 24, 2010 |
| Priority date | — |
| Expiry date | Oct 24, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G15/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a tilt-up wall system that defines a space to receive a material, such as concrete. The system can include a plurality of forms and an opening system. The opening system defines the location of an opening that will receive a window, door, or other structure mountable or installable into the tilt-up wall. The opening system can include one or more corner assemblies, one or more spacer members, one or more lower supports, and one or more upper supports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.