Apparatus for making multi-ply paper bags
    1.
    发明授权
    Apparatus for making multi-ply paper bags 失效
    制作多张纸袋的装置

    公开(公告)号:US3664238A

    公开(公告)日:1972-05-23

    申请号:US3664238D

    申请日:1970-10-02

    Applicant: INT PAPER CO

    Abstract: Apparatus for the manufacture of multi-ply paper bags having means for advancing bag blanks one after the other along a path, means along the path for heating the bottom end of the blank to soften the thermoplastic coating, means for applying a sealing force to the softened thermoplastic coating, means for holding the seal while the thermoplastic coating cools and hardens, means for embossing the bag blank along a fold line for folding the bag blank end along the fold line and for folding the folded portion into the side wall of the blank and means for applying, coating and adhesively securing a tape to the folded portion and the side wall of the blank.

    Abstract translation: 用于制造多层纸袋的装置,其具有用于沿着路径一个接一个地推进袋坯料的装置,沿着用于加热坯料的底端以软化热塑性涂层的路径的装置,用于将密封力施加到 软化的热塑性涂层,用于在热塑性涂层冷却和硬化时保持密封的装置,用于沿着折叠线压印袋坯料的装置,用于沿着折叠线折叠袋坯料端部并将折叠部分折叠到坯料的侧壁中 以及用于施加,涂覆和粘合地将带固定到坯料的折叠部分和侧壁的装置。

    Dunnage bag
    3.
    发明授权
    Dunnage bag 失效
    衬垫袋

    公开(公告)号:US3868026A

    公开(公告)日:1975-02-25

    申请号:US42479673

    申请日:1973-12-14

    Applicant: INT PAPER CO

    Inventor: BAXTER ROBERT O

    CPC classification number: B65D81/052 B60P7/065 B61D45/008

    Abstract: A dunnage bag provided with two sheets of flexible material interposed between the walls of the bladder adjacent the air inlet to the bladder. The sheets of flexible material protect the bladder from tearing during inflation.

    Abstract translation: 垫料袋设置有两片柔性材料,其插入在邻近气囊的空气入口的囊的壁之间。 弹性材料片在充气期间保护膀胱免受撕裂。

    Multiply paper bag
    5.
    发明授权
    Multiply paper bag 失效
    多媒体纸袋

    公开(公告)号:US3567111A

    公开(公告)日:1971-03-02

    申请号:US3567111D

    申请日:1969-04-24

    Applicant: INT PAPER CO

    CPC classification number: B65D33/02

    Abstract: A multiply paper bag in which the inner wall of the inner ply is coated with a heat sealable moistureproof material and the end of the bag is folded, sealed and taped to form a leakproof closure. Apparatus for the manufacture of such bags having means for advancing bag blanks one after the other along a path, means along the path for heating the bottom end of the blank to soften the thermoplastic coating, means for applying a sealing force to the softened thermoplastic coating, means for holding the seal while the thermoplastic coating cools and hardens, means for embossing the bag blank along a fold line for folding the bag blank end along the fold line and for folding the folded portion into the sidewall of the blank and means for applying, coating and adhesively securing a tape to the folded portion and the sidewall of the blank.

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