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    • 2. 发明授权
    • Method and apparatus for leak testing packages
    • 泄漏检测包装的方法和装置
    • US5111684A
    • 1992-05-12
    • US616840
    • 1990-11-21
    • Anton StaufferHeinz Wolf
    • Anton StaufferHeinz Wolf
    • G01M3/36
    • G01M3/363G01M3/366
    • A method and apparatus for leak testing a sealed package having at least one flexible wall portion and a sealed flange wherein at least one flexible wall portion of the package spaced from at least a seal-exposing edge of the sealed flange is gripped and pulled outwardly from the package to stress the package in tension while at least the seal-exposing edge of the sealed flange is exposed to a gas pressure equal to or greater than atmospheric pressure. The reaction of the sealed package to the stressing is then detected. The method and apparatus are useful for testing retort or aseptic pouches, cups and multi-layered trays with heat sealed lids, etc., with or without head space. Leaks in the seal and also in areas adjacent the seal can advantageously be detected quickly and with a high degree of reliability.
    • 一种用于泄漏测试密封包装的方法和装置,其具有至少一个柔性壁部分和密封凸缘,其中与密封凸缘的至少密封暴露边缘间隔开的包装的至少一个柔性壁部分被夹持并从 所述包装件将所述包装件施加张力,同时所述密封凸缘的至少所述密封件暴露边缘暴露于等于或大于大气压力的气体压力。 然后检测密封包装与应力的反应。 该方法和装置可用于测试具有或不具有顶部空间的具有热封盖等的蒸馏器或无菌袋,杯和多层托盘。 密封件中的泄漏以及邻近密封件的区域可以有效地快速检测并具有高可靠性。
    • 3. 发明授权
    • Method and apparatus for leak testing a container
    • 用于容器检漏的方法和装置
    • US5513516A
    • 1996-05-07
    • US877196
    • 1992-05-01
    • Anton Stauffer
    • Anton Stauffer
    • G01M3/32G01M3/02
    • G01M3/3218G01M3/329
    • A method and apparatus for leak testing a container wherein the container such as a flexible or semi-flexible package is received in a closeable test cavity. A pressure differential is installed between the inside of the container and an enclosed space within the test cavity outside of the container. A change in the pressure in the enclosed space is detected. The closeable test cavity comprises a flexible wall whose shape adapts to the shape of the container at least when the pressure differential is installed. The flexible wall advantageously compensates for variations in head space and shape of the packages, as where the contents are not uniformally distributed within the package. The flexible wall can sealingly contact a portion of the container spaced from a container seal to permit detection of seal leaks. A gas permeable, flexible screen can be employed between the container and the flexible wall to permit leak detection of leaks in the container beneath the flexible wall.
    • 一种用于对容器进行泄漏测试的方法和装置,其中诸如柔性或半柔性包装的容器被容纳在可密封的测试腔中。 压力差安装在容器的内部和容器外部的测试腔内的封闭空间之间。 检测到封闭空间中的压力变化。 可密封的测试空腔包括至少在安装压差时其形状适应容器形状的柔性壁。 柔性壁有利地补偿了包装的顶部空间和形状的变化,因为内容物不均匀地分布在包装内。 柔性壁可以密封地接触与容器密封件间隔开的容器的一部分,以允许检测密封件泄漏。 可以在容器和柔性壁之间采用气体可渗透的柔性筛网,以允许泄漏检测在柔性壁下面的容器中的泄漏。
    • 7. 发明授权
    • Method and apparatus for package leak testing
    • 用于包装泄漏测试的方法和装置
    • US06513366B1
    • 2003-02-04
    • US09973702
    • 2001-10-11
    • Anton Stauffer
    • Anton Stauffer
    • G01M334
    • G01M3/329G01M3/34
    • A method and apparatus for testing seals of packages or containers incorporating gas permeable materials wherein the packages are placed between opposing components of a vacuum test chamber such that the seals of the packages are open to a pressure testing system. A flexible bladder backed by a foam material or pressurized fluid seal the gas permeable material afterwhich at least a partial vacuum is drawn to create pressure differential between interior sealed spaces of the packages and the exterior of the package seals. In some embodiments, flexible bladders are provided to initially seal opposite surfaces of packages having opposite gas permeable material covering layers.
    • 用于测试包含气体可渗透材料的包装或容器的密封件的方法和装置,其中所述包装被放置在真空测试室的相对部件之间,使得包装的密封件对压力测试系统敞开。 由泡沫材料或加压流体支撑的柔性气囊密封透气材料,至少部分真空被抽吸以在包装的内部密封空间与包装密封件的外部之间产生压力差。 在一些实施例中,提供柔性囊以最初密封具有相对的气体可渗透材料覆盖层的包装的相对表面。