Demoulding composition
US8080103B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2007 |
| Grant date | Dec 20, 2011 |
| Priority date | — |
| Expiry date | Jan 28, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28B7/384
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A demolding composition, to be used for the production of parts of hydraulic-setting material, includes at least one oil and at least one calcium salt, calcium borates and calcium salts of fatty acids being excluded from the at least one calcium salt. A process for the preparation of a part molded in hydraulic-setting material, includes coating sides of an appropriate mold with the demolding composition; introducing a freshly-prepared hydraulic-setting composition; and removing the part from the mold after hardening and optional curing of the composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.