Method of forming a sand base article using a decomposable binder and the article formed thereby
US5108677A · kind A · utility
95Cited by
16References
11Claims
0Family size
Inventor
Key dates
| Filing date | May 1, 1990 |
| Grant date | Apr 28, 1992 |
| Priority date | — |
| Expiry date | May 1, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S220/30
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The method includes the steps of mixing the sand and the decomposable binder to form a dough-like consistency, forming the dough-like mixture into a sheet. Cutting the sheet into silhouette shapes and then drying the shapes to form a rigid article suitable for a variety of purposes. The preferred article is coated with a decomposable waterproof sealant. Method of forming planar frangible targets as well as formed three-dimensionsl tableware and food containers are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.