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    • 1. 发明申请
    • Apparatus for manufacturing reclosable bags utilizing zipper tape material
    • 用于制造使用拉链带材料的可再封闭袋的装置
    • US20050067110A1
    • 2005-03-31
    • US10996563
    • 2004-11-23
    • Donald WrightChristopher PembertonJames Hankins
    • Donald WrightChristopher PembertonJames Hankins
    • B29C65/00B29C69/00B31B19/74B31B19/90B32B31/00
    • B29C69/005B29C66/98B29L2005/00B29L2031/7128B31B70/006B31B70/8131Y10T156/1056Y10T156/1062Y10T156/1322Y10T156/133Y10T156/17
    • The present invention overcomes the shortcomings of the aforementioned prior art devices and meets the afore-mentioned needs by providing an apparatus and method for accurately sealing a multi-purpose reclosable zipper strip to a web of flexible film in an airtight manner. Moreover, the inventive apparatus and method is capable of repeatedly performing the steps necessary to seal the multi-purpose reclosable zipper strip to the web of flexible film with high manufacturing throughout and low cycle times. Generally, the apparatus and method utilize the multi-purpose reclosable zipper strip having airtight splotch seals fused in a series along desired lengths of the zipper tape. The multi-purpose reclosable zipper strip is dispensed through a feeding mechanism and, when an optical sensor detects one of the splotch seal portions of the multi-purpose reclosable zipper strip, a desired length of multi-purpose reclosable zipper strip is advanced over an elevator platform. A knife is then signaled to descend and sever the advanced portion of multi-purpose reclosable zipper strip, which is thus deposited onto the elevator platform. As the selected portion of the multi-purpose reclosable zipper strip is being positioned and deposited onto the elevator, the web of flexible film is being positioned above the platform. A sealing head is then positioned over the web of flexible film, while at the same time the elevator platform is driven upwardly so that the multi-purpose reclosable zipper strip portion positioned thereon comes into contact with the web of flexible film. The heat passing through the web of flexible film from the sealing head is sufficient to seal the peripheral portions of the multi-purpose reclosable zipper strip section to the web of flexible film, thereby creating an airtight seal between the multi-purpose reclosable zipper strip portion and the web of flexible film.
    • 本发明克服了上述现有技术装置的缺陷,并且通过提供一种用于将多用途可重新闭合的拉链带以气密方式精确地密封到柔性膜的腹板的装置和方法来满足上述需要。 此外,本发明的装置和方法能够重复地执行将多用途可重新闭合的拉链带密封到柔性膜的幅材上所需的步骤,并且在整个循环时间和低周期时间内都具有高制造性。 通常,该装置和方法利用具有气密的闪光密封的多用途可重新闭合的拉链条,其沿着期望长度的拉链带以一系列的方式熔合。 多用途可重新闭合的拉链带通过进给机构分配,并且当光学传感器检测到多用途可再闭合拉链带中的一个划痕密封部分时,期望长度的多用途可再闭合拉链条在电梯上前进 平台。 然后用刀信号下降并切断由此沉积到电梯平台上的多功能可再闭合拉链带的前进部分。 随着多功能可再闭合拉链带的选定部分被定位并且沉积到电梯上,柔性膜的网状物被定位在平台上方。 然后将密封头定位在柔性膜的幅材上方,同时电梯平台被向上驱动,使得位于其上的多用途可重新闭合的拉链条部分与柔性膜的腹板接触。 从密封头穿过柔性膜的网状物的热足以将多用途可重新闭合的拉链带部分的周边部分密封到柔性膜的网状物上,从而在多用途可再闭合拉链条部分之间形成气密密封 和柔性薄膜网。
    • 4. 发明申请
    • AIRTIGHT RECLOSABLE FASTENER
    • AIRTIGHT可重复紧固件
    • US20070086682A1
    • 2007-04-19
    • US11555451
    • 2006-11-01
    • Donald WrightChistopher PembertonJames Hankins
    • Donald WrightChistopher PembertonJames Hankins
    • B65D33/16A44B19/00
    • B65D33/2508A44B19/16B31B70/8132Y10T24/45168
    • An improved reclosable fastener profile assembly is provided, said assembly comprising a continuous supply of a first profile strip this first profile strip being substantially flat but having at least one rib that extends from the surface of first strip; and a continuous supply of a second profile strip opposite the first strip; this second strip being substantially flat but having at least two ribs that extend from the surface of this second strip. The rib of the first strip and the ribs of the second strip are adapted to sealingly engage and maintain an airtight seal when so engaged. A compression molded segment seal portion fuses the first profile strip, the second profile strip and the ribs of the first profile: strip and second strip. The compression molded segment seal includes a fused section of the first and second profile strips formed through the application of heat and pressure without further filling material or plastic. This fused section is substantially flattened to form an airtight seal of the first and second profile strips less than the combined thickness of the first and second profile strips, without distorting said ribs of said first and second profile strips outside of said fused section, thereby maintaining the airtight seal of the first and second profile strips when interlocked. The compression molded segment seal portion further has a thickness less than the combined thickness of the first profile segment and the second profile segment, so as to allow easier sealing of the ends of the fastener strips to the side walls of a reclosable bag.
    • 提供了一种改进的可再闭合紧固件轮廓组件,所述组件包括第一轮廓带的连续供应,该第一轮廓带基本上是平坦的,但是具有从第一条带的表面延伸的至少一个肋; 以及连续地供应与第一条带相对的第二轮廓带; 该第二条带基本上是平的,但是具有从该第二条带的表面延伸的至少两个肋。 当接合时,第一条带的肋和第二条带的肋条适于密封地接合并保持气密密封。 压缩模制的段密封部分使第一轮廓条,第二轮廓条和第一轮廓的肋:条带和第二条带熔合。 压缩模制段密封件包括通过施加热和压力形成的第一和第二型材条的熔融部分,而没有进一步的填充材料或塑料。 该熔融部分基本上变平,以形成小于第一和第二型材条的组合厚度的第一和第二型材条的气密密封,而不会使所述第一和第二型材条的所述肋在所述熔融部分外部变形,从而保持 互锁时第一和第二型材条的气密密封。 压缩成型段密封部分还具有小于第一型材段和第二型材段的组合厚度的厚度,从而允许将紧固带的端部更容易地密封到可重新封闭的袋的侧壁。