Method for finishing fiberboard utilizing a frothed prime coat
US4376142A · kind A · utility
8Cited by
5References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 25, 1980 |
| Grant date | Mar 8, 1983 |
| Priority date | — |
| Expiry date | Aug 25, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D3/0254
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In a method for prime coating fiberboard products the improvement wherein a foaming agent is added to a conventional aqueous latex based prime coating and the coating aerated to give a frothed prime coating having a consistency of 500 to 750 grams per liter, the frothed coating applied to the board product at a rate of 220 to 320 grams per square meter, and heated to collapse the froth and dry the coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.