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公开(公告)号:US20110185594A1
公开(公告)日:2011-08-04
申请号:US12993953
申请日:2009-05-19
申请人: Yuedong Zhang , Sam Torres , Gang Sun , Yongdong Pang , Roy Lin
发明人: Yuedong Zhang , Sam Torres , Gang Sun , Yongdong Pang , Roy Lin
CPC分类号: B29D35/146 , B29K2075/00 , B29L2031/505 , Y10T156/109
摘要: The present invention pertains to a shoe upper, the method for preparing the same and the use thereof. This invention provides a method for preparing shoe upper by spraying polyurethane reaction system, avoids the complicated steps of cutting, shaping, stitching and bonding, simplify the production process, reduces the equipment requirements, saves cost and improves the production efficiency.
摘要翻译: 本发明涉及鞋面,其制备方法及其用途。 本发明提供了一种通过喷涂聚氨酯反应体系制备鞋面的方法,避免了切割,成型,缝合和接合的复杂步骤,简化了生产工艺,降低了设备要求,节省了成本,提高了生产效率。
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公开(公告)号:US20130062423A1
公开(公告)日:2013-03-14
申请号:US13583515
申请日:2011-03-04
申请人: Chenxi Zhang , Yongdong Pang , Jen Chieh Roy Lin , Xiang Tan
发明人: Chenxi Zhang , Yongdong Pang , Jen Chieh Roy Lin , Xiang Tan
CPC分类号: E01B1/00 , C08G18/10 , C08G2101/0066 , C08G2150/60 , C08G2350/00 , E01B1/001 , E01B2204/01 , E01B2204/03 , C08G18/6674
摘要: The present invention provides a polyurethane elastomer ballast mat and the preparation thereof, and a railway track bed and railway facilities using the same. The polyurethane elastomer ballast mat according to this invention comprises a reaction product prepared by spraying a reaction system comprising a polyisocyanate, a polyol, a chain extender, a blowing agent and a catalyst, on the surface of a railway roadbed or on one surface of a ballast mat shielding to conduct a reaction. The technical solution of the present invention makes it possible to provide ballast mats with different mechanical properties, shapes, thicknesses and sizes, depending on particular installation conditions, in order to adapt to various requirements for installation and use in railway construction.
摘要翻译: 本发明提供一种聚氨酯弹性体压载物垫及其制备方法,以及使用该聚氨酯弹性体镇流垫的铁路轨道床和铁路设施。 根据本发明的聚氨酯弹性体压载物垫包括通过将包含多异氰酸酯,多元醇,扩链剂,发泡剂和催化剂的反应体系喷涂在铁路路基的表面上或在 镇流器屏蔽进行反应。 根据具体的安装条件,本发明的技术方案使得可以提供具有不同机械性能,形状,厚度和尺寸的压载垫,以适应铁路施工中安装和使用的各种要求。
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