Depositing method of wall concrete
US5156791A · kind A · utility
5Cited by
14References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 1991 |
| Grant date | Oct 20, 1992 |
| Priority date | — |
| Expiry date | Mar 21, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/31
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A depositing method of wall concrete, in which unset concrete is deposited in a form, includes the step of disposing a non-hygroscopic soft sheet which has a large number of hollow projections or ridges on an inner surface of the form being deformable when lateral pressure is applied thereto by the hardening of the concrete.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.