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    Double-wall blow molded carton
    2.
    发明授权
    Double-wall blow molded carton 失效

    公开(公告)号：US3904066A

    公开(公告)日：1975-09-09

    申请号：US29499172

    申请日：1972-10-04

    Applicant: PHILLIPS PETROLEUM CO

    Inventor： WILSON NEWTON R

    IPC: B65D5/22 ,  B65D7/22 ,  B65D11/16 ,  B65D11/18

    CPC classification number: B65D11/16 ,  B65D11/1873

    Abstract: This invention resides in an improved collapsible carton having a body formed of a double-wall blank of semi-rigid molded material with side sections pivotally mounted on a bottom section for movement to an upright position with respect to the bottom section. The side edges of the side sections are tapered for abutting an adjacent side section and forming a corner of the carton. Each side section adjacent a corner has a groove aligned with a protrusion extending from the lower portion of the side section and into a recessed area in the bottom section in the erected condition of the carton with a U-shaped fastener removably positioned in the associated grooves and extending across the respective corner.

    Method for forming a parison
    5.
    发明授权
    Method for forming a parison 失效
    形成型坯的方法

    公开(公告)号：US3914366A

    公开(公告)日：1975-10-21

    申请号：US33825073

    申请日：1973-03-05

    Applicant: PHILLIPS PETROLEUM CO

    Inventor： WILSON NEWTON R

    IPC: B29C47/20 ,  B29C17/07 ,  B29D23/04

    CPC classification number: B29C47/20 ,  B29C47/0026 ,  B29C47/0054

    Abstract: A method for passing blow-moldable plastic material through an annulus of a die for forming a parison adapted for forming a molded article of substantially uniform wall thickness. During forming of the material in the die, first and second areas of increased wall thickness are formed on the material, the thickened portions only are thereafter progressively decreased in thickness to form a uniform cross-section and thereafter the material is discharged from the die.

    Abstract translation: 用于将可吹塑塑料材料通过模具的环形件的方法，用于形成用于形成基本上均匀的壁厚的模制品的型坯。 在模具中形成材料期间，在材料上形成壁厚增加的第一和第二区域，然后仅在厚度上逐渐减小厚度以形成均匀的横截面，然后将材料从模具中排出。

    Blow molding apparatus
    8.
    发明授权
    Blow molding apparatus 失效

    公开(公告)号：US3585683A

    公开(公告)日：1971-06-22

    申请号：US3585683D

    申请日：1968-03-11

    Applicant: PHILLIPS PETROLEUM CO

    Inventor： WILSON NEWTON R

    IPC: B29C49/76 ,  B29D23/03

    CPC classification number: B29C49/76

    Abstract: A BLOW MOLDING APPARATUS COMPRISES AN EXTERIOR NECK MOLD POSITIONED IN SEPARABLE MOLD HALVES AT ONE EXTREMITY OF THE MOLD CAVITY AND AXIALLY RECIPROCALLY MOUNTED INTERIOR NECK MOLDING MEANS COMPRISING AN INTERIOR NECK

    MOLD AND CIRCUMFERENTIALLY DISPOSED SLEEVE AS AN INTERIOR LIP MOLD, THE INTERIOR NECK MOLD BEING AXIALLY RETRACTABLE RELATIVE TO SAID SLEEVE AND A FLUID CONDUIT WITHIN SAID INTERIOR NECK MOLD COMMUNICATING BETWEEN THE INTERIOR OF SAID MOLD CAVITY AND A FLUID SOURCE.

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