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    • 14. 发明申请
    • Relief valve
    • 泄压阀
    • US20070039655A1
    • 2007-02-22
    • US11207638
    • 2005-08-19
    • Tae-Kyung Kim
    • Tae-Kyung Kim
    • F15B13/044
    • G05D16/2024Y10T137/86622
    • A valve portion for a solenoid valve is disclosed. The valve portion includes a valve body including a longitudinal channel, wherein the valve body further includes a supply aperture, a control aperture and an exhaust aperture. A spool is slidably disposed in said longitudinal channel and the spool is adapted to adjust a connection between said supply aperture and said control aperture upon external excitation. A pressure regulation device is operatively connected or adjoined to the exhaust aperture, the control aperture, and the supply aperture, wherein the pressure regulation device is adapted to adjustably connect or adjoin the exhaust aperture to at least one of the control aperture and the supply aperture, such that spool position is generally maintained substantially independent of pressure variation between the control aperture and the supply aperture.
    • 公开了一种用于电磁阀的阀部分。 阀部分包括一个包括纵向通道的阀体,其中阀体还包括供给孔,控制孔和排气孔。 线轴被可滑动地设置在所述纵向通道中,并且线轴适于在外部激励时调节所述供给孔和所述控制孔之间的连接。 压力调节装置可操作地连接或邻接于排气孔,控制孔和供应孔,其中压力调节装置适于将排气孔可调节地连接或邻接至至少一个控制孔和供应孔 ,使得阀芯位置通常基本上保持与控制孔径和供给孔口之间的压力变化无关。
    • 19. 发明申请
    • Method for producing foamed products based on aromatic polyester resin with low melting point
    • 一种低熔点芳香族聚酯树脂发泡产品生产方法
    • US20050043419A1
    • 2005-02-24
    • US10751454
    • 2004-01-06
    • Yeon-Soo KimDeog-Jae JoTae-Kyung Kim
    • Yeon-Soo KimDeog-Jae JoTae-Kyung Kim
    • C08J9/06C08J9/00C08J9/04
    • C08J9/04C08J2201/03C08J2367/02
    • The present invention concerns a method for producing a foamed product based on aromatic polyester resin, wherein at least one of IPA, DEG, TEG and PEG is selected and copolymerized at the step of aromatic polyester polymerization to produce aromatic polyester resin with a low melting point whose melting point ranges 80 to 180□. The resin is then cross-linked by means of an organic peroxide cross-link agent, subject to melt mixing at a temperature ranging 80 to 180□ and then foamed in order to produce a foamed product based on aromatic polyester resin of a low melting point, excellent in thermal resistance, foaming magnification, strength, etc. The aromatic polyester resin represented by polyethyleneterephthalate is known excellent in chemical properties such as chemical resistance, solvent resistance, weather resistance, etc., and physical properties such as thermal resistance, dimension stability, rigidity, gas barrier capability, etc., and thus widely used for packaging electric/electronic parts, films, bottle containers and the like.
    • 本发明涉及一种制备基于芳族聚酯树脂的发泡产品的方法,其中选择IPA,DEG,TEG和PEG中的至少一种,并在芳族聚酯聚合步骤中共聚以产生具有低熔点的芳族聚酯树脂 其熔点范围为80〜180□。 然后通过有机过氧化物交联剂将树脂交联,在80-180℃的温度下进行熔融混合,然后发泡,以便产生基于低熔点的芳族聚酯树脂的发泡产品 耐热性,发泡倍率,强度等优异。以聚对苯二甲酸乙二醇酯为代表的芳族聚酯树脂,其耐化学性,耐溶剂性,耐气候性等化学性能以及耐热性,尺寸稳定性, ,刚性,阻气性等,因此广泛用于包装电气/电子部件,膜,瓶容器等。