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    METHODS OF CONDUCTING PROMOTIONAL CONTESTS AND BEVERAGE CONTAINERS FOR USE THEREIN
    2.
    发明申请
    METHODS OF CONDUCTING PROMOTIONAL CONTESTS AND BEVERAGE CONTAINERS FOR USE THEREIN 审中-公开
    促进使用的促销因素和饮料容器的方法

    公开(公告)号：WO2004032081A3

    公开(公告)日：2004-09-23

    申请号：PCT/CA0301485

    申请日：2003-09-29

    Applicant: ALCAN INT LTD ,  ROSENFELD ARON M

    Inventor： ROSENFELD ARON M

    IPC: B65D17/28 ,  G06Q30/02 ,  G08B13/24 ,  B65D17/16

    CPC classification number: G06K19/07758 ,  G06Q30/02 ,  G06Q30/0207

    Abstract: A method of conducting a promotional contest by providing a portal that establishes a field for detecting the presence of a field-disturbing element, providing packages respectively having and lacking a concealed field-disturbing element, and distributing the packages randomly to different individuals who carry the packages past the portal so that a package with a field-disturbing element causes the portal to produce a signal indicating a winner of the contest. A can for beverages or the like having a field-disturbing element concealed thereon, for use in such a promotional contest. The element may be mounted in a peelable foil closure member covering an aperture in the can lid.

    Abstract translation: 一种通过提供建立用于检测场干扰元件的存在的场的门户来进行促销竞赛的方法，提供分别具有和缺少隐藏的场干扰元件的包，并将包随机分配给携带 包装通过门户，使得具有场干扰元件的包导致门户产生指示比赛胜利者的信号。 用于在这样的促销比赛中使用的具有隐藏在其上的场干扰元件的饮料等的罐。 元件可以安装在覆盖罐盖中的孔的可剥离的箔封闭构件中。

    BILAYER OXIDE FILM AND PROCESS FOR PRODUCING SAME
    4.
    发明专利
    BILAYER OXIDE FILM AND PROCESS FOR PRODUCING SAME 未知

    公开(公告)号：CA2009212A1

    公开(公告)日：1991-08-02

    申请号：CA2009212

    申请日：1990-02-02

    Applicant: ROSENFELD ARON M ,  SMITS PAUL

    Inventor： ROSENFELD ARON M ,  SMITS PAUL

    IPC: C25D11/06 ,  C08J7/04 ,  C23C14/16 ,  C23C14/34 ,  C25D11/20 ,  G11B5/66 ,  C25D1/08 ,  C25D1/20 ,  G11B7/24

    Abstract: A bilayer oxide film which comprises a preferably porous layer containing aluminum oxide and a non-porous layer comprising an oxide of a valve metal, e.g. tantalum. The layers are integral. The film is produced by forming a coating of aluminum or an anodizable aluminum alloy on a valve metal (or alloy), anodizing the resulting structure in an electrolyte (preferably one capable of converting the aluminum (or alloy) to a porous oxide film) in the presence of an adhesion-reducing agent (e.g. fluoride ions) that makes the resulting anodized bilayer film easily detachable from the remaining valve metal. The bilayer film is then detached from the valve metal, e.g. by adhering a flexible plastic film to the bilayer and using the film to peel off the bilayer from the valve metal. The resulting bilayer can be used for a variety of purposes, e.g. as a vapour or oxygen barrier, or as a coating containing magnetic particles used to make a magnetic recording medium.

    COLOUR CHANGE DEVICES INCORPORATING THIN ANODIC FILMS
    5.
    发明专利
    COLOUR CHANGE DEVICES INCORPORATING THIN ANODIC FILMS 未知

    公开(公告)号：CA1315574C

    公开(公告)日：1993-04-06

    申请号：CA589921

    申请日：1989-02-02

    Applicant: ROSENFELD ARON M

    Inventor： ROSENFELD ARON M ,  SMITS PAUL

    IPC: G02B5/28 ,  B32B7/02 ,  B32B7/06 ,  B32B9/00 ,  B32B15/08 ,  B32B33/00 ,  B44C5/08 ,  C23C14/14 ,  C23C28/00 ,  C25D3/44 ,  C25D11/02 ,  C25D11/04 ,  C25D11/26 ,  C23C14/08 ,  C25D11/12 ,  C25D11/14

    Abstract: TITLE: COLOUR CHANGE DEVICES INCORPORATING THIN ANODIC FILMS A laminated colour change device which exhibits an irreversible colour change upon delamination. The device comprises two layers capable of generating a colour by a light interference and absorption phenomenon that requires direct and intimate contact between the two layers. One of the layers is a colour-generating metal, such as a valve metal (e.g. tantalum), and the other is an overlying lighttransmitting film thin enough to cause light interference effects The film is produced by coating the colour generating metal with aluminum or an aluminum alloy and then anodizing (preferably porous anodizing) the aluminum to consumption in the presence of an adhesion-reducing agent, e.g. fluoride, that reduces the strength of attachment between the layers so that the laminate can be uniformly and reliably separated at the interface between the adjacent two layers. An overlying layer of transparent or translucent material is normally adhered to the laminate to facilitate the separation of the layers. when the thin film is detached from the colour-generating metal, the generated colour is lost, thus providing a colour change that is in effect irreversible. The device can be incorporated into a variety of closable articles or products to provide evidence of opening or tampering, or can be used for other purposes.

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