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    • 9. 发明授权
    • Fin earplug
    • Fin耳塞
    • US08479744B2
    • 2013-07-09
    • US11144514
    • 2005-06-03
    • Thomas W. Fleming
    • Thomas W. Fleming
    • A61F11/00
    • A61F11/08
    • An earplug with a stem (22) and with fins (31-34) extending at rearward and radially-outward inclines from the stem, is constructed for comfort and for high noise blocking. The stem has a multiplicity of air pockets (60) lying in an imaginary band (62) that lies on the earplug axis (20). The band has opposite band sides (64, 66) spaced radially inward of the periphery (40) of the stem, the air pockets helping to block the passage of noise. A plurality of the fins are of constant thickness with parallel front and rear surfaces (50, 52), and with the fins being stubby with a fin thickness (T) at least 20% of the fin length (E), and with the front surface (50) of each fin being at least 20% longer than the fin length (E), all as seen in a sectional view taken along the earplug axis (20). Stem peripheral parts (80) that lie between adjacent fins, extend continuously at rearward and radially inward inclines of more than 15°.
    • 具有杆(22)和具有从杆向后延伸并径向向外倾斜的翅片(31-34)的耳塞被构造为舒适和高噪声阻塞。 杆具有多个位于耳塞轴线(20)上的假想带(62)中的气囊(60)。 所述带具有相对的带边(64,66),所述侧边(64,66)在所述杆的周边(40)的径向内侧间隔开,所述气囊有助于阻止噪声的通过。 多个散热片具有恒定的厚度,具有平行的前表面和后表面(50,52),并且翅片的细长的翅片厚度(T)至少为翅片长度(E)的20%,并且前部 每个翅片的表面(50)比翅片长度(E)长至少20%,全部如沿着耳塞轴线(20)截取的截面图所示。 位于相邻翅片之间的茎周边部分(80)在向后和径向向内倾斜超过15°的情况下连续延伸。
    • 10. 发明授权
    • Conforming earplug
    • 符合耳塞
    • US07305992B2
    • 2007-12-11
    • US10778658
    • 2004-02-13
    • Thomas W. Fleming
    • Thomas W. Fleming
    • A61F11/00
    • A61F11/08
    • An earplug of the type that has a stem (12) and a plurality of flanges (21–23), is constructed to be stiff enough to be easily inserted into the ear canal, and to thereafter press with minimal force against the walls of the ear canal for comfort. The earplug is molded of an elastomeric material whose stiffness decreases considerably, such as at least 4%, when it is warmed from room temperature (about 72° F.) to ear canal temperature (about 100° F.). Each flange has a radially inner portion (52) that extends straight at an angle (B) that is within 15° of a radial direction (62) (a direction perpendicular to the stem axis), and has a radially outer portion (54) that extends straight and at an angle (C) that is within 20° of an axial direction (66).
    • 具有杆(12)和多个凸缘(21-23)的类型的耳塞被构造成足够刚性,以便容易地插入到耳道中,并且之后以最小的力压靠在壁 耳道舒适。 耳塞由弹性体材料模制,当其从室温(约72°F)升温至耳道温度(约100°F)时,其刚度显着降低,例如至少4%。 每个凸缘具有径向内部(52),该径向内部部分(52)以径向方向(62)的15°(垂直于杆轴线的方向)的角度(B)直线延伸,并且具有径向外部部分(54) 其在轴向(66)的20°以内的角度(C)处直线延伸。