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1. 发明授权

US06495085B1 Method of conditioning foam materials by compression 失效
标题翻译：通过压缩调节泡沫材料的方法
公开(公告)号：US06495085B1
公开(公告)日：2002-12-17
申请号：US09627464
申请日：2000-07-28
申请人： Clay Simpson , Rick D. Lawson
发明人： Clay Simpson , Rick D. Lawson
IPC分类号： B29C6720
CPC分类号： B29C44/5627 , B29C43/003 , B29K2079/08 , B29K2105/04 , B29K2995/0002
摘要： The inventive method comprises compressing roughly half a bun of polyimide foam at a rate of no more than 12 feet per minute from its initial height of approximately 15″, until it reaches a compressed height of no more than 2″. The compression is maintained on the bun for no more than one minute, and then released. The half-bun is then permitted to expand, and it will rebound to approximately 90-95% of its initial height. This conditioned foam may then be cut or otherwise formed into acoustical panels of varying heights and/or configurations, without worry about the ultimate shrinkage after treatment. In addition the treated half-bun may be cut into irregular shapes of more varying dimensions, up to the maximum dimension of the treated half-bun.
摘要翻译：本发明的方法包括从大约15“的初始高度以不超过12英尺每分钟的速度压缩大约一半的聚酰亚胺泡沫，直到其达到不超过2”的压缩高度。压缩保持在馒头上不超过一分钟，然后释放。半is然后被允许扩张，并将反弹到初始高度的大约90-95％。然后可以将经调理的泡沫切割或以其它方式形成为不同高度和/或构型的声学板，而不用担心处理后的最终收缩。此外，经处理的半馒头可以被切割成更多变化的尺寸的不规则形状，直到被处理的半the的最大尺寸。

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