Control process for impregnating porous parts and apparatus therefor
US6534115B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2001 |
| Grant date | Mar 18, 2003 |
| Priority date | — |
| Expiry date | Jun 29, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B41/83
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for impregnating at least one porous part with an impregnant is provided comprising: (a) immersing the porous part(s) in impregnant; (b) measuring at least one parameter indicative of the buoyancy of the porous part(s) as the impregnant impregnates the parts; and (c) interrupting impregnation when the measured parameter(s) indicates a predetermined level of impregnation is achieved. An apparatus for impregnating porous parts comprises a vessel for holding the porous part(s) and an impregnant, and a measuring device for measuring at least one parameter indicative of the buoyancy of the porous part(s) immersed in the impregnant within the vessel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.