发明授权
US5514430A Coated hydraulically settable containers and other articles for storing, dispensing, and packaging food and beverages 失效
涂覆的水硬可固化容器和用于储存,分配和包装食品和饮料的其他物品

Coated hydraulically settable containers and other articles for storing,
dispensing, and packaging food and beverages
摘要:
Containers incorporating a hydraulically settable structural matrix including a hydraulically settable binder such as cement for use in the storing, dispensing, and/or packaging of food and beverage products are disclosed. The disposable and nondisposable food and beverage articles of manufacture have high tensile, compressive, and flexural strengths, and are lightweight, insulative (if desired), inexpensive, and more environmentally compatible than those currently used. These disposable containers and cups are particularly useful for dispensing hot and cold food and beverages in the fast food restaurant environment. The structural matrix of the food and beverage containers includes a hydraulic cement paste (formed from the reaction of water with, e.g., a portland-type cement) preferably in combination with a rheology-modifying plasticizer, such as methylhydroxyethylcellulose, various aggregate materials, and fibrous materials, which provide desired properties at a cost which is economical.
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