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특허 상세정보

Heat-retaining food service container

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A47G-023/04   
미국특허분류(USC) 126/246 ; 126/261 ; 126/400 ; 220/426
출원번호 US-0774594 (1991-10-10)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 48  인용 특허 : 0
초록

A heat-retaining food service container includes an outer shell assembly, and an expandable inner container arrangement within which is disposed a mass of heat-fusible material. Attendant to heating of the heat-fusible material to an elevated temperature, the material undergoes a phase change and expansion. The expandable inner container arrangement accommodates such expansion of the fusible material, while avoiding any appreciable deformation of the outer shell assembly. The construction promotes efficient heat-transfer to food within the container.

대표
청구항

A heat-retaining food service container comprising: an outer shell assembly including an upper shell member, and a lower shell member, joined to each other at peripheral portions thereof; expandable container means positioned within said outer shell assembly, said container means including at least a portion movable relative to said outer shell assembly so that an initial interior volume defined by said container means is expandable; and heat-storage means disposed within said expandable container means, said heat-storage means comprising a mass of fusib...

이 특허를 인용한 특허 피인용횟수: 48

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