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公开(公告)号:US5722213A
公开(公告)日:1998-03-03
申请号:US713605
申请日:1996-09-13
申请人: Steven M. Morency
发明人: Steven M. Morency
IPC分类号: E06B5/16
CPC分类号: E06B3/822 , E06B5/16 , E06B2003/7032
摘要: A heat temperature rise door is made up of a steel shell and a core which is not bonded to the steel shell, thus eliminating much of the cost of manufacture of the door.
摘要翻译: 热升温门由钢壳和不与钢壳结合的芯组成,从而消除了门的大量制造成本。