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    Folded disposable diaper
    3.
    发明授权
    Folded disposable diaper 失效
    折叠式垃圾

    公开(公告)号：US3863637A

    公开(公告)日：1975-02-04

    申请号：US31359572

    申请日：1972-12-08

    Applicant: INT PAPER CO

    Inventor： MACDONALD RICHARD C ,  MARTIN NOEL E ,  LEE CHARLES A

    IPC: A61F13/15 ,  A61F13/16

    CPC classification number: A61F13/49426 ,  A61F13/49466 ,  A61F2013/5326

    Abstract: A disposable diaper including an absorbent pad disposed between a backing sheet which resists liquid flow therethrough and a liquid pervious cover sheet. The diaper is folded, using longitudinal folds, into a configuration which in cross section resembles the Greek symbol sigma ( Sigma ) on one side of the longitudinal centerline of the diaper and a reverse sigma on the other side of the diaper. The respective widths and lengths of the pad and backing sheet provide for the fold in contact with the child to be faced by the cover sheet so as to preclude the backing sheet in this fold from contacting the child when the diaper is folded in accordance with the present disclosure.

    Abstract translation: 一种一次性尿布，其包括设置在抵抗液体流过的背衬片和液体可透过的覆盖片之间的吸收垫。 使用纵向折叠将尿布折叠成横截面类似于尿布纵向中心线的一侧上的希腊符号σ（SIGMA）和尿布另一侧上的反向西格玛的构造。 衬垫和背衬片的各自的宽度和长度提供了与儿童接触的折叠面，以使覆盖片面对，以防止当尿布根据 本公开。

    Tandem air former
    4.
    发明授权
    Tandem air former 失效
    TANDEM AIR FORMER

    公开(公告)号：US3598680A

    公开(公告)日：1971-08-10

    申请号：US3598680D

    申请日：1968-04-18

    Applicant: INT PAPER CO

    Inventor： LEE CHARLES A

    IPC: A61F13/15 ,  A61L15/16 ,  B05D1/16 ,  B27N3/10 ,  B32B37/00 ,  D04H1/00 ,  D04H1/72 ,  B29J5/08 ,  B32B17/04 ,  D21F11/04

    CPC classification number: D21H5/2642 ,  A61F13/15642 ,  D04H1/72 ,  D21H11/00 ,  D21H27/30

    Abstract: A FIBROUS WEB OF NON-UNIFORM, CROSS-SECTIONAL THICKNESS IS FORMED IN A CONTINUOUS MANNER BY AIR LAYING FIBROUS MATERIAL AT A FIRST STATION AND THEN AIR LAYING ADDITIONAL FIBROUS MATERIAL AT A SECOND STATION DOWNSTREAM FROM THE FIRST TO OVERLAP AT LEAST PARTIALLY THE FIBROUS MATERIAL DEPOSITED AT THE FIRST STATION. TO PROVIDE AND MAINTAIN A PRECISE CONFIGURATION FOR THE THICKER PORTION OF THE WEB, A PRESSURE DIFFERENTIAL IS MAINTAINED ACROSS THE

    WEB BEING FORMED TO CAUSE THE AIR TO FLOW THROUGH THE THICKER PORTION OF THE WEB AS WELL AS THE THINNER PORTIONS OF THE WEB AT THE SUBSTANTIALLY SAME RATE AS IT APPROACHES THE WEB.

    Method and apparatus for folding articles
    5.
    发明授权
    Method and apparatus for folding articles 失效
    折叠文章的方法和装置

    公开(公告)号：US3572689A

    公开(公告)日：1971-03-30

    申请号：US3572689D

    申请日：1968-07-11

    Applicant: INT PAPER CO

    Inventor： MURPHY JAMES A ,  LEE CHARLES A ,  FURBECK WARREN R ,  DAY PHILIP G

    IPC: B65H45/12 ,  D06F89/00 ,  B65H45/16

    CPC classification number: B65H45/12 ,  D06F89/00 ,  Y10S493/938

    Abstract: A series of flat articles are advanced along a path at regular intervals and are folded by continuously traveling fingers which engage an article intermediate its ends and fold the same. The fingers advance the articles to a station at which the folded articles are deposited as the fingers automatically withdraw from the folds. The folded articles may be abutted seriatim into a stack within an accumulator in the form of a conveyor traveling a speed considerably slower than the speed of the traveling fingers.

    Web folding apparatus and method
    6.
    发明授权
    Web folding apparatus and method 失效
    WEB折叠设备和方法

    公开(公告)号：US3707281A

    公开(公告)日：1972-12-26

    申请号：US3707281D

    申请日：1970-11-23

    Applicant: INT PAPER CO

    Inventor： MURPHY JAMES A ,  LEE CHARLES A ,  SPRAVNIKS EDUARDS

    IPC: B65H45/24 ,  B65H45/22

    CPC classification number: B65H45/24

    Abstract: An apparatus and method for forming longitudinal folds in a series of webs while interfolding the webs into a continuously moving stack. The webs are interfolded through the use of a plurality of folding devices which are positioned along the path of the stack and are effective to successively turn a longitudinally extending edge portion of each web over the stack. A single folding device is provided for each pair of webs to be interfolded, and the webs in each pair are received by the corresponding folding device at spaced locations along its length. The folding devices are of identical construction and include longitudinal guide elements for preventing the turning over of an edge portion of the web received at the first location until after it has moved past the succeeding location. An angularly disposed guide element on each folding device thereafter turns the edge portion over the stack. An edge portion of the second web received by the folding device is not turned over until the web passes the first location on the immediately succeeding folding device and is received by an additional angularly disposed guide element thereon.

    Abstract translation: 一种用于在一系列腹板中形成纵向折叠的装置和方法，同时将腹板折叠成连续移动的叠层。 通过使用沿着堆叠路径定位的多个折叠装置，网状物被折叠，并且有效地连续地将每个纤维网的纵向延伸的边缘部分转过堆叠。 为每对腹板提供单一的折叠装置以进行交织，每对中的腹板在相应的折叠装置沿着其长度的间隔位置被接收。 折叠装置具有相同的结构，并且包括纵向引导元件，用于防止在第一位置处接收到的幅材的边缘部分的翻转，直到其移动通过后续位置。 然后，每个折叠装置上的角度设置的导向元件将边缘部分转过堆叠。 由折叠装置接收的第二幅材的边缘部分不会翻转，直到幅材通过紧接着的折叠装置上的第一位置并且被其上的另外的角度布置的引导元件接收。

    Moistener for bias-laying machine
    7.
    发明授权
    Moistener for bias-laying machine 失效
    偏心机系列

    公开(公告)号：US3625791A

    公开(公告)日：1971-12-07

    申请号：US3625791D

    申请日：1969-07-28

    Applicant: INT PAPER CO

    Inventor： LEE CHARLES A ,  FURBECK WARREN R

    IPC: B31C3/00 ,  B31F5/02 ,  B65H81/06

    CPC classification number: B31C3/00 ,  B31F5/02 ,  Y10T156/1023

    Abstract: A continuous cohesive multi-ply ribbon is made by forming a continuous spiral wound tube of creped tissue, flattening the tube and joining the plies of the flattened tube by embossing the plate together. After the spiral wound tube is formed, it is passed through a pressure nip formed by two rolls, thereby flattening the tube. Droplets of water are sprayed on one of the rolls. The water is carried to the pressure nip on the one roll and there transferred to the flattened tube as it enters the pressure nip. The moistened flattened tube is then passed through an embossing nip where the plies of the tube are pressed together at spaced locations with pressure sufficient to crush the fibers of the respective plies into one another, the water thus added to the creped tissue being sufficient for the crushing of the fibers to attach the plies together at said spaced locations with a glassine-type attachment.

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