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发明公开
EP0144168A3 Warmth keeping vessel made of ceramics or porcelain and method of producing the same 失效
陶瓷或陶瓷的维护保养船及其制造方法

Warmth keeping vessel made of ceramics or porcelain and method of producing the same
摘要：
A warmth keeping ceramic or porcelaneous vessel wherein a sealed airtight hollow chamber under a reduced pressure is formed between-an inner vessel and outer vessel to keep contents warm. The hollow chamber is kept airtight under a reduced pressure by an enamel bonding the joint of the inner vessel and outer vessel or closing fine holes made in either of the inner vessel and outer vessel after the vessels are heated to discharge the air in the hollow chamber through the joint or the fine holes.
摘要（中）：

保温陶瓷或陶瓷容器，其中在内容器和外容器之间形成减压密封的气密中空室以保持内容物温暖。 通过搪瓷将内部容器和外部容器的接头粘合在一起，使中空室保持气密，或者在加热容器以排出中空室中的空气之后关闭在内部容器和外部容器之一中制造的细孔 通过关节或细孔。

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