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    • 3. 发明授权
    • Apparatus and process for inspecting sealed packages
    • 用于检查密封包装的装置和过程
    • US6105419A
    • 2000-08-22
    • US892316
    • 1997-07-14
    • John MichelsPat Bierschenk
    • John MichelsPat Bierschenk
    • B65B57/00G01M3/32G01M3/34
    • G01M3/329
    • An apparatus for inspecting sealed packages of product includes a conveyor belt for receiving the packages. An inspection belt contacts the packages and moves away from the conveyor belt a particular distance depending on whether the packages are properly sealed. When engaged by a package with a good seal, the inspection belt is moved a first distance which causes an indicator carried thereon to send a signal which prevents removal of the good package from the conveyor belt. However, when a leaky bag contacts the inspection belt, the inspection belt is moved a second distance which is insufficient to cause the indicator to send a signal. Consequently, the improperly sealed package is removed from the conveyor belt. The inspection belt may be mounted for linear or pivotal movement upon being contacted by the packages carried by the conveyor belt. In addition, a package engaging member can be used to press the packages prior to passing under the inspection belt to facilitate the discharge of air from leaky packages, e.g., pre-squeezing the packages.
    • 用于检查产品的密封包装的装置包括用于接收包装的传送带。 检查带与包装件接触并且取决于包装件是否被适当地密封而离开传送带一定的距离。 当由具有良好密封的包装件接合时,检查带移动第一距离,使得其上携带的指示器发送阻止从传送带移除良好包装的信号。 然而,当泄漏袋与检查带接触时,检查带移动第二距离,这不足以使指示器发送信号。 因此,将不正确密封的包装从传送带中取出。 检查带可以安装成在被传送带承载的包装件接触时线性或枢转运动。 此外,包装接合构件可以用于在通过检查带之前按压包装,以便于泄漏包装排出空气,例如预先挤压包装。