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    Process and apparatus for continuously shaping a plate in plastic material according to an undulated profile
    3.
    发明申请
    Process and apparatus for continuously shaping a plate in plastic material according to an undulated profile 有权
    根据波形轮廓在塑料材料中连续成型板的方法和装置

    公开(公告)号：US20040173947A1

    公开(公告)日：2004-09-09

    申请号：US10772155

    申请日：2004-02-04

    申请人： HABASIT ITALIANA Spa

    发明人： Alberto Marzona ,  Sommariva Giacomo

    IPC分类号： B29D024/00

    CPC分类号： B29D29/06 ,  B29C51/087 ,  B29C51/22 ,  B29C53/22 ,  B29K2023/06 ,  B29K2027/00 ,  B29L2031/7092 ,  Y10T428/24

    摘要： Process and apparatus for continuously and permanently shaping a plate in plastic material according to an undulated profile. The apparatus includes a guide and positioning surface of the plate; a moulding and transferral wheel, peripherally shaped according to a plurality of seats, suitable for reproducing a continuous shaped profile; and a positioning, advancement and maintenance assembly in the form of a plate, peripheral with respect to the moulding wheel, of the mobile type, respectively; counter-clockwise in synchronization with the moulding and return wheel in a position independent of the moulding wheel. The assembly includes a pre-form presser, upstream of the surface involved in the shaping, set apart by at least one first stabilization and cooling presser, a moulding presser, interposed between the pre-form presser and a cooling presser; and a possible blade for detaching the plate from the seats.

    摘要翻译： 根据波形轮廓在塑料材料中连续和永久地成形板的方法和装置。 该装置包括板的引导和定位表面; 成型和传送轮，其根据多个座部周边成形，适于再现连续成形轮廓; 以及相对于移动式的成型轮的平板形式的定位，前进和维护组件; 逆时针方向与成型轮和回转轮同步，处于与成型轮无关的位置。 该组件包括预成形压板，该模压件在与成型之间的表面的上游，由至少一个第一稳定和冷却压力机组成，压模压在压模之间，压模与预冷成型压件之间; 以及用于将板从座椅上分离的可能的刀片。

    Process for the netlike opening of fibrilled films
    5.
    发明授权
    Process for the netlike opening of fibrilled films 失效
    纤维状网状网状打开方法

    公开(公告)号：US4717520A

    公开(公告)日：1988-01-05

    申请号：US804822

    申请日：1985-12-05

    申请人： Franco Angella ,  Adriano Grondona ,  Andrea Vittone

    发明人： Franco Angella ,  Adriano Grondona ,  Andrea Vittone

    IPC分类号： B29C49/00 ,  B29C53/22 ,  B29C55/00 ,  B29C55/04 ,  B29D28/00 ,  B29C55/08

    CPC分类号： B29D28/00 ,  B29C53/22 ,  Y10S264/47

    摘要： Process for the netlike opening of fibrilled polymeric films, said process consisting in conveying to an opening device of the conventional type (based, for instance, on diverging transferring elements and on lateral film pulling elements such as clamps, grippers or pins, which engage the film at its edges and which are fixed on said traverse elements) the fibrilled film of an undulated or corrugated shape, with the front of the corrugations or waves perpendicular to the direction of the transferring motion, so that the length of the film between the lateral consecutive pulling elements be in excess with respect to the distance between said elements, wherefore said excess will compensate the longitudinal shrinkage that the film will suffer during the transversal opening.

    摘要翻译： 所述方法包括传送到常规类型的开口装置（例如，基于发散的转移元件和横向膜牵引元件，例如夹子，夹子或销，其接合 胶片在其边缘并且固定在所述横向元件上）具有波状或波形形状的纤维状薄膜，波纹或波浪的前部垂直于转印运动的方向，使得薄膜在横向 相对于所述元件之间的距离，连续的牵引元件过量，因此所述过量将补偿膜在横向开口期间将遭受的纵向收缩。

    Disposable diaper having elasticized waistband with non-linear severed edge
    6.
    发明授权
    Disposable diaper having elasticized waistband with non-linear severed edge 失效
    一次性尿布，具有非线性切断边缘的弹性腰带

    公开(公告)号：US4563185A

    公开(公告)日：1986-01-07

    申请号：US734987

    申请日：1985-05-17

    申请人： Godfrey Reiter

    发明人： Godfrey Reiter

    IPC分类号： A61F13/15 ,  B29C53/22 ,  B29C61/02 ,  A41B13/02

    CPC分类号： B32B37/22 ,  A61F13/15593 ,  B29C53/22 ,  B29C61/02 ,  B29L2031/4878

    摘要： A method of producing a disposable diaper or other article including an elastically contractible element such as a waistband which undergoes a joint severance operation with one or more of the layers comprising the article, yet which, upon the application of an external stimulus such as heat, will return to its molecularly unoriented, heat stable state and thereby impart both shirring and elasticization to the severed edge of the article in a direction substantially parallel to the overall orientation of the line of severance. Particularly preferred articles made utilizing said method are also disclosed.

    摘要翻译： 一种生产一次性尿布或其它制品的方法，其包括弹性收缩元件如腰带，其与包含该制品的一个或多个层经历关节切断操作，但是在施加诸如热的外部刺激之后， 将返回到其分子非取向的热稳定状态，从而在与切割线的整个取向基本平行的方向上将制品的切断边缘赋予两个起皱和弹性。 还公开了使用所述方法制备的特别优选的制品。

    Production of stamped plastic sheet
    7.
    发明授权
    Production of stamped plastic sheet 失效
    生产冲压塑料板

    公开(公告)号：US4499040A

    公开(公告)日：1985-02-12

    申请号：US369771

    申请日：1982-04-19

    申请人： Kenichi Maemoto ,  Katsushi Jinno

    发明人： Kenichi Maemoto ,  Katsushi Jinno

    IPC分类号： B29C35/16 ,  B29C43/22 ,  B29C47/00 ,  B29C51/08 ,  B29C51/22 ,  B29C53/22 ,  B29C55/18 ,  B29C59/04 ,  B29C17/02

    CPC分类号： B29C43/222 ,  B29C47/0019 ,  B29C51/22 ,  B29C53/22 ,  B29C55/18 ,  B29C59/04 ,  B29C2035/1616 ,  B29C47/00 ,  B29C51/08

    摘要： A stamped plastic sheet manufacturing method includes immersing a molten extruded thermoplastic sheet into a liquid refrigerant just prior to passing through a pair of stamping rolls having tooth-like or vane-like projections. In this manner, a skin layer is formed on the surface of the molten plastic sheet prior to stamping. Upon stamping, the sheet is tensioned by the confronting crests of the above tooth-like or vane-like projections and then removed from the liquid refrigerant after the interior of the sheet has been hardened to form a stamped sheet having a substantially uniform thickness.

    摘要翻译： 冲压塑料片的制造方法包括在通过一对具有齿状或叶状突起的冲压辊之前将熔融挤出的热塑性片材浸入液体制冷剂中。 以这种方式，在冲压之前在熔融塑料片的表面上形成表皮层。 在冲压时，片材被上述齿状或叶状突起的相对的顶部张紧，然后在片材内部已经硬化之后从液体制冷剂中取出，形成具有基本均匀厚度的冲压片材。

    Bidirectionally oriented corrugated plates
    8.
    发明授权
    Bidirectionally oriented corrugated plates 失效
    双向导向的钢板

    公开(公告)号：US3661694A

    公开(公告)日：1972-05-09

    申请号：US3661694D

    申请日：1970-12-30

    申请人： SOLVAY

    发明人： BEQUET JEAN FRANCOIS ,  ASBROECK ROGER VAN ,  BOIS PAUL DU

    IPC分类号： B29C45/00 ,  B29C53/00 ,  B29C53/22 ,  B29C53/24 ,  B29C53/32 ,  B29C53/80 ,  B29C53/84 ,  E04C2/32 ,  E04D3/32 ,  B32B3/28 ,  B32B3/30

    CPC分类号： B29C53/22 ,  E04C2/322 ,  E04D3/32 ,  Y10S428/91 ,  Y10T428/24694

    摘要： Corrugated plates are made of polyvinyl chloride resin, and are bidirectionally oriented in such a manner that an element which is sampled therefrom presents a retraction of at least 30 percent along the two main axes of the plates after a residence of 8 hours in an oven kept at 140* C. The plates have a resiliency in tension at 20* C in excess of 650 cm kgf/cm2 and a resiliency in prestressed condition in excess of 300 kfg/cm2. They are resistant at 4* C to impacts caused by boxwood balls of 200 mm diameter which are projected perpendicularly against the surface of said plates at a speed such that their kinetic energy is 0.105 m kgf.

    摘要翻译： 波纹板由聚氯乙烯树脂制成，并且以这样一种方式双向取向，使得其中取样的元件在放置在烘箱中8小时后沿板的两个主轴线呈现至少30％的缩回 在140℃下，板具有超过650cm kgf / cm2的20℃张力的弹性和超过300kfg / cm 2的预应力条件下的弹性。 它们在4℃下耐受由直径200mm的黄杨木球引起的冲击，其垂直于所述板的表面以使其动能为0.105m kgf的速度投影。