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公开(公告)号:US06255237B1
公开(公告)日:2001-07-03
申请号:US09418580
申请日:1999-10-15
IPC分类号: B32B524
CPC分类号: B32B5/245 , B32B5/022 , B32B5/18 , B32B5/26 , B32B2266/025 , B32B2605/003 , B60R13/011 , B60R13/0212 , C08L23/0815 , C08L23/10 , C08L23/12 , C08L23/16 , Y10T428/249988 , Y10T442/647 , C08L2666/04
摘要: There is provided a laminated sheet comprising: (i) a foamed sheet containing a polypropylene resin; and (ii) a non-woven fabric, wherein the foamed sheet has an expansion ratio, &khgr;, of from about 2 to 10, a cell diameter of not more than about 300 &mgr;m, and a thickness, h (cm), satisfying the following formula (1), (100/E(1−(1−1/&khgr;)⅔))⅓≦h≦2 (1) wherein E (kgf/cm2) is a modulus of elasticity in bending of the resin which is to be a constituent of the foamed sheet and is not yet foamed.
摘要翻译: 提供了一种层压片材,其包括:(i)含有聚丙烯树脂的发泡片材; 和(ii)无纺织物,其中发泡片材具有约2至10的膨胀比,(khgr),细胞直径不大于约300μm,厚度h(cm)满足 下式(1)其中E(kgf / cm2)是作为发泡片材的组成部分并且尚未发泡的树脂的弯曲弹性模量。
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公开(公告)号:US4714849A
公开(公告)日:1987-12-22
申请号:US754131
申请日:1985-07-12
申请人: Sakae Yamamoto , Tsutomu Mizuno
发明人: Sakae Yamamoto , Tsutomu Mizuno
CPC分类号: H02K41/033 , B21D28/04 , H02P8/00 , H02K1/28 , H02K2213/03 , H02K7/08
摘要: A linear stepping motor, including a pair of exciting iron cores having a plurality of field legs which form a plurality of denticles with a common pitch .tau.; wherein, when P is the number of poles and n is the number of phases of the linear stepping motor, the spacing of the field legs is (N+(m/n)). .tau. (where N is an integer, m is an integer, and m is an integer, and m
摘要翻译: 一种线性步进电机,包括一对具有多个场腿的激励铁芯,所述多个场腿形成具有公共节距tau的多个牙质; 其中,当P是极数,n是线性步进电机的相数时,场脚的间隔为(N +(m / n))。 tau(其中N是整数,m是整数,m是整数,m
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