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US 5,108,677 AGranted
Method of forming a sand base article using a decomposable binder and the article formed thereby
OwnerJohn Ayresinventor
Life of this patent
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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.
Claims11
A method of forming a container comprising the steps of:
- mixing sand and a decomposable binder together to form a dough-like consistency mixture;
- extruding the dough-like mixture into a thin sheet;
- cutting a silhouette-shaped preform from the thin sheet;
- drawing the silhouette-shaped preform into an article the shape of the container;
- and
- coating the article with a sealant to prevent moisture absorption.
3 more elements
A method of forming a disposable food container, comprising the steps of:
- mixing sand and a non-toxic, biodegradable, water-soluble binder together to form a dough-like consistency mixture;
- forming the dough-like mixture into an article the shape of the container;
- heating the shaped article for a sufficient time and to a sufficient temperature to dry the mixture;
- and
- coating the dried article with a non-toxic, wax-based sealant to prevent moisture absorption.
2 more elements
Dependencies are inferred from the claim text.