Dunnage bag
    6.
    发明授权
    Dunnage bag 失效
    DUNNAGE BAG

    公开(公告)号:US3556318A

    公开(公告)日:1971-01-19

    申请号:US3556318D

    申请日:1969-05-29

    Applicant: INT PAPER CO

    Inventor: HOLLIS CLINTON R

    CPC classification number: B65D81/052 B60P7/065

    Abstract: An inflatable and disposable dunnage bag having an airtight bladder enclosed in a multi-ply container folded along parallel fold lines so that the bag, when not inflated, is flat with a back wall and a front wall, the corresponding plies in the back and front wall of the container being joined to each other by tapes extending along the end of the walls and adhesively secured to the ends of the plies.

    Apparatus for the manufacture of dunnage bag liners
    10.
    发明授权
    Apparatus for the manufacture of dunnage bag liners 失效
    用于制造衬垫袋衬垫的装置

    公开(公告)号:US3921506A

    公开(公告)日:1975-11-25

    申请号:US44776374

    申请日:1974-03-04

    Applicant: INT PAPER CO

    Inventor: HOLLIS CLINTON R

    CPC classification number: B31D5/0073

    Abstract: Apparatus for the manufacture of inflatable liners for disposable dunnage bags. The apparatus includes means for measuring and severing an indefinite length of flattened tubular plastic material into predetermined lengths, sealing the overlying layers at one end of each severed length, and cutting an opening in one of the layers suitable for receiving an inflation valve.

    Abstract translation: 用于制造一次性衬垫袋的充气衬里的装置。 该装置包括用于将不定长度的扁平管状塑料材料测量和切断成预定长度的装置,在每个切断长度的一端密封上覆层,以及切割适于接收充气阀的一个层中的开口。

Patent Agency Ranking