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    • 3. 发明授权
    • Methods of fabricating a sweep elbow tube connector
    • 制造扫肘管连接器的方法
    • US06426031B1
    • 2002-07-30
    • US09614816
    • 2000-07-12
    • Frank F. Hayes, Jr.
    • Frank F. Hayes, Jr.
    • B29C4544
    • F16L43/00Y10S425/058
    • A molded sweep elbow tube connector includes a molded tube connector member comprising a first linear tube end portion, a second linear tube end portion, and a curved sweep tube portion defined by a relatively large sweep radius and joining the two end portions to form an integral one-piece molded part. The tube connector member forms an interior passageway for carrying a flow of fluid, characterized by a sweep bend between the two end portions, permitting fluid laminar flow through the tube connector. The tube connector member has a thick wall thickness over at least a portion of the curved sweep tube portion and a thin wall thickness over the first linear tube end. The thin wall thickness facilitates the removal of a curved core pin from the part through a linear tube end portion after injection molding, since the plastic material will flex enough to permit the pin to be stripped without damaging the part. The tube connector has a first connector structure at the first tube end portion, and a second connector structure at the second tube end portion. Exemplary connector structures include male and female flare connectors, and male pipe thread connectors.
    • 模制的吹扫弯管连接器包括模制管连接器构件,其包括第一线性管端部,第二线性管端部和由相对大的扫掠半径限定的弯曲扫掠管部分,并且连接两个端部以形成积分 一体成型件。 管连接器构件形成用于承载流体流动的内部通道,其特征在于两个端部之间的扫掠弯曲,允许流体层流流过管连接器。 管连接器构件在弯曲扫掠管部分的至少一部分上具有厚壁厚度,并且在第一线性管端部上方具有薄壁厚度。 薄壁厚度有助于在注射成型之后通过线性管端部从部件移除弯曲的芯销,因为塑料材料将足够弯曲以允许销被剥离而不损坏部件。 管连接器在第一管端部具有第一连接器结构,在第二管端部具有第二连接器结构。 示例性的连接器结构包括阳和阴扩张连接器以及公管螺纹连接器。
    • 4. 发明授权
    • Mold for manufacturing an impeller for an axial fan
    • 用于制造用于轴流风扇的叶轮的模具
    • US06276923B1
    • 2001-08-21
    • US09551521
    • 2000-04-17
    • Hiroyuki ShingaiYukihide Umeda
    • Hiroyuki ShingaiYukihide Umeda
    • B29C4544
    • B29C45/33B29L2031/087F04D29/023F04D29/325F05D2230/53F05D2300/43Y10S425/058
    • This invention provides a compact, flat axial fan which is not limited by the shape of an incorporated rotor magnet and ensures a sufficiently large air flow and wind pressure, wherein the slide (under) piece of a mold that forms the under-molding portions of the vanes of the impeller of the axial fan is pulled out while being twisted (while performing a helical motion) in the direction of central axis of the base portion of the impeller, so that the mold can be formed simple to realize a multi-cavity mold, and the vanes can be formed into an ideal form by setting vane angles depending on different rotating peripheral velocities of the vanes, so that air can be supplied form the under-molding portions of the vanes to the vanes on the outer circumferential side during rotation of the impeller, a method of manufacturing an impeller for the axial fan, and a mold for manufacturing the impeller of the axial fan. For this purpose, in an axial fan comprising an impeller integrally formed, by resin molding, with a plurality of vanes extending from a bottomed cylindrical body to which a rotary axial support shaft body is formed at a center of rotation, each of the vanes is integrally formed by resin molding with a main vane extending from an outer circumferential surface of the bottomed cylindrical body at a predetermined tilt angle.
    • 本发明提供一种紧凑的扁平轴流风扇,其不受所结合的转子磁体的形状的限制,并且确保足够大的气流和风压,其中,形成下模塑部分的模具的滑动(下) 轴向风扇的叶轮的叶片在沿着叶轮的基部的中心轴的方向扭转(同时进行螺旋运动)的同时被拉出,使得可以简单地形成模具以实现多腔体 模具,并且叶片可以通过根据叶片的不同旋转圆周速度设定叶片角度而形成为理想形式,使得空气可以从叶片的下模部分供应到外周侧的叶片上 叶轮的旋转,制造用于轴流风扇的叶轮的方法,以及用于制造轴流风扇的叶轮的模具。 为此,在通过树脂成形的一体形成的叶轮的轴流风扇中,在从旋转中心向旋转轴向支撑轴体形成有底圆筒状体的多个叶片中,各叶片为 通过树脂模制一体地形成有主叶片,该主叶片从有底筒状体的外周面以预定的倾斜角度延伸。
    • 5. 发明授权
    • Method of rapid injection molding of elongated articles, such as cable ties
    • 快速注塑成型细长物品如扎带的方法
    • US06217813B1
    • 2001-04-17
    • US08251385
    • 1994-05-31
    • Soren Christian SorensenJens Ole Sorensen
    • Soren Christian SorensenJens Ole Sorensen
    • B29C4544
    • B29C33/46B29C45/40B29C45/43B29C2045/4084B29L2031/7276
    • In a method of injection molding an elongated article, such as a cable tie, having a head and a strap terminating in a tip, (a) the article is formed by injecting molten plastic material, such as nylon, into a mold cavity defined between a first mold part and a second mold part, wherein the first mold part includes a head region defining a portion of the head of the elongated article, the second mold part includes a tip region defining a portion of the tip of the elongated article, and the portion of the mold cavity defined by the second mold part defines a series of pointed teeth on one side of the strap; (b) the first mold part is separated from the second mold part while retaining the portion of the head of the elongated article in the head region of the first mold part and the portion of the tip of the elongated article in the tip region of the second mold part, thereby separating the head from the second mold part, the tip from the first mold part, and a major portion of the strap of the elongated article from both the first and second mold parts; and (c) the first mold part is further separated from the second mold part while retaining said portion of the head of the elongated article in the head region of the first mold part to thereby remove the portion of the tip of the elongated article from the second mold part.
    • 在注射成型细长制品(例如电缆扎带)的方法中,具有头部和终止于尖端的带子,(a)通过将诸如尼龙的熔融塑料材料注入到模腔中而形成, 第一模具部件和第二模具部件,其中所述第一模具部件包括限定所述细长制品的头部的一部分的头部区域,所述第二模具部件包括限定所述细长制品的尖端的一部分的尖端区域,以及 由第二模具部分限定的模腔的部分在带的一侧上限定一系列尖齿; (b)将第一模具部件与第二模具部件分离,同时将细长制品的头部的部分保持在第一模具部件的头部区域中,并且将细长制品的尖端部分保持在第一模具部件的尖端区域中 从而将第一模具部分的头部与第一模具部分分离,并且从第一和第二模具部分将细长制品的条带的主要部分分离; 并且(c)第一模具​​部分进一步与第二模具部分离,同时将细长制品的头部的所述部分保持在第一模具部件的头部区域中,从而将细长制品的尖端部分从 第二模具零件。
    • 6. 发明授权
    • Flexible ejector for injection molds
    • 注塑模具用弹性喷射器
    • US06749420B2
    • 2004-06-15
    • US09924774
    • 2001-08-08
    • Alberto Navarra Pruna
    • Alberto Navarra Pruna
    • B29C4544
    • B29C45/401B29C45/4435B29C2045/4021B29C2045/4442Y10S425/058
    • Provided with a rod (1) meant to be attached to the ejector plate (9) which extends in a flat and elastically deformable neck (2) which ends in a small header (3) provided with a material recess (4) which is adapted in shape and size to the negative (5) to be obtained, said header (3) having a basically rectangular prismatic shape, that is with faces which are parallel by pairs, in order to simplify its machining, while the diagonal length of its section is equal to or smaller than the diameter of the rod (1), allowing its assembly from the outside of the body (7) of the mold. In order to attach the rod (1) to the ejector plate (9) said rod is provided with an externally threaded segment (10) on which moves a screw (11) which allows a precision adjustment of the axial position of said rod (1), which rod in turn is immobilized in an angular sense as it has a flat facet in correspondence with one of its generator lines, on which acts a key (14). A bushing (15) mounted on the body (7) of the mold provides the guide (8) for header (3), which can slide smoothly and with a perfect adjustment.
    • 具有连接到顶板(9)上的杆(1),其在平坦且可弹性变形的颈部(2)中延伸,该颈部终止于设置有材料凹部(4)的小集管(3) 在要获得的负(5)的形状和尺寸上,为了简化其加工,所述头部(3)具有基本上为矩形的棱柱形状,即具有平行于对的面,而其截面的对角线长度 等于或小于杆(1)的直径,允许其从模具的主体(7)的外部组装。 为了将杆(1)附接到顶出板(9),所述杆设置有外螺纹段(10),螺纹(11)移动,螺杆(11)允许精确调节所述杆(1)的轴向位置 ),其中杆被依次固定在角度上,因为它具有与它的发电机线之一相对应的平坦小面,作用于其上的键(14)。 安装在模具本体(7)上的衬套(15)提供了用于集管(3)的导向件(8),该引导件可以顺利地并且以完美的调节方式滑动。