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1. 发明授权

US5103528A Refrigeration, foam sealing bushing 失效
标题翻译：制冷，泡沫密封衬套
公开(公告)号：US5103528A
公开(公告)日：1992-04-14
申请号：US654295
申请日：1991-02-12
申请人： William J. Olson , James S. Zielinski , Michael C. Blaha
发明人： William J. Olson , James S. Zielinski , Michael C. Blaha
IPC分类号： F25D23/06
CPC分类号： F25D23/064 , Y10T16/063
摘要： A refrigration, foam sealing bushing is provided for use within a refrigeration door cavity. The bushing is formed of a male member, and a female member. The male member includes a head portion, an upper shank portion, a reduced lower shank portion, and a disc-like member. The female member is formed of a tubular section having an open upper end and an open lower end. The tubular section has an axially extending bore which extends between the open upper end and the open lower end for telescopingly receiving the lower shank portion of the male member. Passageways are formed between the outer surface of the reduced lower shank portion and inner surface of the axially extending bore of the tubular section for permitting air to escape from the door cavity but yet preventing foam insulation from escaping during the injection of the foam insulation into the door cavity.
摘要翻译：提供了一种用于冷藏门腔内的反渗透泡沫密封衬套。衬套由阳构件和阴构件形成。阳构件包括头部，上部柄部分，缩小的下部柄部分和盘状部件。阴构件由具有开口上端和开口下端的管状部分形成。管状部分具有轴向延伸的孔，其在敞开的上端和敞开的下端之间延伸，用于伸缩地容纳阳构件的下部柄部。通道形成在缩小的下部杆部分的外表面和管状部分的轴向延伸的孔的内表面之间，以允许空气从门腔逸出，但是在将泡沫绝缘体注入到腔内时防止泡沫绝缘脱出门腔。

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