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    • 3. 发明授权
    • Device for determining the degree of wear of a paper transport roller
    • 用于确定纸张传送辊的磨损程度的装置
    • US6055047A
    • 2000-04-25
    • US81986
    • 1998-05-20
    • Andreas SchweizerReinhard Weltz
    • Andreas SchweizerReinhard Weltz
    • B65H27/00G01N3/06G01N3/56G01N21/952G01N21/88G01N21/47
    • G01N21/952B65H27/00G01N3/56B65H2401/10B65H2404/14211B65H2515/60B65H2553/40B65H2557/50G01N2203/0652
    • The degree of wear of the paper transport roller (10) is checked by means of a reflected light barrier (40). To that end, the paper transport roller (10) comprises two layers (13 and 15) applied to the core of the paper transport roller (10). The two layers (13 and 15) differ in their degree of reflection for electromagnetic radiation. The layers (13 and 15) are applied to the paper transport roller (10) such that the inner layer (13) has a lower degree of reflection than the outer layer (15). The inner layer (13) is advantageously black and the outer layer (15) white. When the outer layer (15) is worn as a result of the friction between the single sheet (30) to be transported and the paper transport roller (10), the inner layer (13) gradually comes into contact with the single sheets. The degree of reflection of the surface of the paper transport roller (10) then also changes in the same way and is determined using a reflected light barrier (40). The user is therefore signaled that the paper transport roller (10) must be replaced.
    • 通过反射光屏障(40)检查纸张传送辊(10)的磨损程度。 为此,纸张输送辊(10)包括施加到纸张传送辊(10)的芯部的两个层(13和15)。 两层(13和15)的电磁辐射反射程度不同。 层(13和15)被施加到纸传送辊(10),使得内层(13)具有比外层(15)更低的反射度。 内层(13)有利地为黑色,外层(15)为白色。 当外层(15)由于要输送的单张纸(30)与纸张传送辊(10)之间的摩擦而磨损时,内层(13)逐渐与单张纸接触。 纸传送辊(10)的表面的反射程度也以相同的方式改变,并且使用反射光障(40)来确定。 因此用户被告知必须更换纸张传送辊(10)。
    • 7. 发明授权
    • Watertight photographic single-use camera having elastic polymer seal
    • 防水摄影一次性相机具有弹性聚合物密封
    • US5897225A
    • 1999-04-27
    • US799586
    • 1997-02-10
    • Albert RiegerDavid BarclaySteven ChapmanHeinz-Andreas KellnerMichael ReiblJames G. RydelekAndreas Schweizer
    • Albert RiegerDavid BarclaySteven ChapmanHeinz-Andreas KellnerMichael ReiblJames G. RydelekAndreas Schweizer
    • G03C3/00G03B17/08
    • G03B17/08
    • A watertight photographic single-use camera having a first and a second body shell that join together. The body shells comprise rigid polymer material and are adapted to receive a film transport device, a lens, a flash unit and a viewfinder. The first body shell forms the camera front section and the second body shell forms the camera rear section. A sealing means comprising an elastic polymer material is attached to an edge of at least one body shell that forms a joint and to at least one edge that forms a body opening. The elastic polymer material is attached by a multiple-component injection molding process and is connected to the body shell by chain looping (molecular entanglement) of the polymer material. As a result, the camera is dependably sealed against water and yet is inexpensive and simple to produce. For simple recyclability, the body shells can be crushed using known devices without separation of the polymer materials, with the resultant material mix being usable as a feedstock for the manufacture of new camera components.
    • 一种具有连接在一起的第一和第二壳体的防水摄影一次性照相机。 身体外壳包括刚性聚合物材料,并且适于接收胶片输送装置,透镜,闪光单元和取景器。 第一主体壳形成相机前部,第二主体壳形成相机后部。 包括弹性聚合物材料的密封装置附接到形成接头的至少一个主体外壳的边缘以及形成主体开口的至少一个边缘。 弹性聚合物材料通过多组分注射成型方法附着,并通过聚合物材料的链环(分子缠结)连接到壳体外壳。 结果,照相机可靠地密封在水面上,但是便宜并且生产简单。 为了简单的可再循环性,可以使用已知的装置将体外壳破碎而不分离聚合物材料,所得到的材料混合物可用作制造新相机部件的原料。