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    • 3. 发明授权
    • Method of making a composite panel of a foam material
    • 制造泡沫材料复合板的方法
    • US4938819A
    • 1990-07-03
    • US211719
    • 1988-06-07
    • Seiji IshiiHiroya FukudaTakashi Ohashi
    • Seiji IshiiHiroya FukudaTakashi Ohashi
    • B29B11/06B29B11/14B29B11/16B29C44/32B29C51/00C08J9/40
    • C08J9/40B29B11/06B29B11/14B29C44/32B29C51/00B29K2075/00B29K2105/12B29K2105/128B29K2105/16C08J2375/04
    • A method of making a foam product including the steps of reacting an isocyanate component with a polyol component and foaming with a foaming agent to form a self-supporting intermediate foam material. The isocyanate component is present in excess of a stoichiometric quantity needed to react with the polyol component. The self-supporting intermediate foam material is then contacted with water and the self-supporting, intermediate foam material is heated to form a foam product, the water reacting with the remaining unreacted isocyanate component. The self-supporting, intermediate foam material formed by the first foaming step is rigid or semi-rigid at room temperature but it can be softened by heating to enable it to be used for deep draw molding in a successive cure molding process without cracking, splitting or being destroyed. Once the self-supporting, intermediate foam material is contacted with water or steam in the final cure molding process to react the remaining isocyanate component, the material becomes a finally cured, rigid or semi-rigid foam material which will not soften on heating. The self-supporting, intermediate foam material can be laminated with facing materials or reinforced with glass fiber--non-woven cloth or the like to give a composite panel which exhibits stiffness, heat insulation, acoustic insulation, moisture resistance and is light in weight so that it can be used for a molded ceiling or door panel in an automobile or a partition or screen for interior use.
    • 本发明是一种刚性或半刚性发泡材料的制造方法,其包括发泡工艺以制备实际上热塑性的发泡材料,其中异氰酸酯组分在有机发泡剂和/或水的条件下与多元醇组分反应 存在一定量的异氰酸酯组分超过反应中的多元醇组分和水的化学计量当量,以及连续的固化模塑方法,其中所述实际热塑性发泡材料与水或蒸汽接触以使剩余的异氰酸酯组分反应 其中加热时用水。 通过第一发泡方法获得的发泡材料在室温下未达到剩余异氰酸酯的刚性或半刚性的最终固化,但是通过加热软化可以在连续固化成型工艺中用于深拉伸成型 没有裂缝,分裂或拆除。 然后在最终的固化成型工序中与水或蒸汽接触,使剩余的异氰酸酯成分与水反应,进行最终的固化,从而成为刚性或半刚性的泡沫材料,而不会因加热而软化。 中间的实际热塑性泡沫材料可以与面料材料层压或用玻璃纤维无纺布等增强,以提供具有优异性能的复合板,例如轻质,刚度,隔热性,隔音性和耐湿性,适用于模塑 天花板或车门面板等,以及用于室内使用的隔板或屏幕。
    • 6. 发明申请
    • Relief Valve Device
    • 泄压阀装置
    • US20080276992A1
    • 2008-11-13
    • US11718974
    • 2004-11-11
    • Kaoru NomichiSeiji IshiiMakoto Ninomiya
    • Kaoru NomichiSeiji IshiiMakoto Ninomiya
    • F16K17/38
    • F16K17/383F16K3/265Y10T137/1797Y10T137/1963Y10T137/7837
    • Under emergency, a valve body (26) displaced from a closed position (42) to an open position (43) in association with melting of a fuse member (28) receives resultant of pressing forces of a primary pressure (P1) of gas guided through a primary port (56) in an opening direction (X1) in a state where the valve body (26) is disposed at the position closer to the open position (43) including a fluid driving start position between the closed position (42) and the open position (43). The valve body 26 receives smaller resultant of the pressing forces of the primary pressure in the opening direction (X1) in a state where the valve body (26) is disposed at the position closer to the closed position (42) than to the fluid driving start position than the resultant of the pressing forces received by the valve body (26) in the state where the valve body (26) is disposed at the position closer to the open position (43) including the fluid driving start position. In this manner, it is possible to provide a compact relief valve device capable of suppressing a pressing force applied to a displacement preventing means for preventing the opening operation under normal condition and of achieving a quick opening operation under emergency condition.
    • 在紧急情况下,与保险丝构件(28)的熔化相关联地从关闭位置(42)移动到打开位置(43)的阀体(26)接收压力的主要压力(P 1) 在阀体(26)设置在更靠近打开位置(43)的位置的状态下沿打开方向(X 1)引导通过主要端口(56),包括在关闭位置之间的流体驱动开始位置 42)和打开位置(43)。 阀体26在阀体(26)设置在比关闭位置(42)更靠近关闭位置(42)的位置的状态下,比开口方向(X 1)的压力大得多。 在阀体(26)设置在包括流体驱动开始位置的更靠近打开位置的位置的状态下,由阀体(26)接收的按压力的结果导致的开动位置。 以这种方式,可以提供一种紧凑的安全阀装置,其能够抑制施加到防止移动装置的按压力,以防止在正常状态下的打开操作并且在紧急情况下实现快速打开操作。
    • 7. 发明授权
    • Method for molding polyurethane seat pads
    • 聚氨酯座垫成型方法
    • US5603874A
    • 1997-02-18
    • US517662
    • 1995-08-22
    • Seiji IshiiToshio Iwasawa
    • Seiji IshiiToshio Iwasawa
    • B29C33/38B29C39/10B29C39/12B29C44/04B29K23/00B29K75/00B29K105/04B29L31/58C08L75/00C08L75/04B29C44/06B29C44/12
    • B60N2/7017B29C44/0469
    • A polyurethane seat pad having a center seat portion and bank portions therearound is molded by using a mold defining a cavity having a center region corresponding to the center seat portion and side regions corresponding to the bank portions, placing collecting vessels of expanded polyolefin in the side regions of the mold cavity, pouring a foamable polyurethane liquid for low hardness foam into the cavity between said collecting vessels, pouring a foamable polyurethane liquid for high hardness foam into said collecting vessels, and causing the foamable liquids to expand, thereby producing a polyurethane seat pad having the collecting vessels embedded therein. The expanded polyolefin is a crosslinked polyolefin foam having an index of surface wetting of at least 36 dyne/cm. The seat pad in which the bank portions have higher hardness than the seating portion and which is fully durable against repetitive loading can be produced to the desired configuration in a stable manner.
    • 通过使用限定具有对应于中心座部分的中心区域和与堤岸部分对应的侧部区域的空腔的模具来模制具有中心座部分和其周围的堤岸部分的聚氨酯座垫,将聚烯烃的收集容器放置在侧面 模具腔的区域,将用于低硬度泡沫的可发泡聚氨酯液体倒入所述收集容器之间的空腔中,将用于高硬度泡沫的可发泡聚氨酯液体倒入所述收集容器中,并使可发泡液体膨胀,由此生产聚氨酯座 衬垫具有嵌入其中的收集容器。 发泡聚烯烃是表面润湿指数至少为36达因/厘米的交联聚烯烃泡沫。 可以以稳定的方式产生其中堤部具有比座部更高的硬度并且完全耐受重复加载的座垫。