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    • 5. 发明授权
    • Method and device for determining maintenance intervals
    • 确定维护间隔的方法和装置
    • US08789214B2
    • 2014-07-29
    • US12675704
    • 2008-05-23
    • Hans Keller
    • Hans Keller
    • E03D9/02E03D9/00E03D13/00
    • E03D9/00E03D13/005
    • A method for determining the point in time for the replacement of one or more of wearing parts, blocking fluids and fragrance and cleaning substances, dependent on the use of a sanitary apparatus, includes the step of placing an indicator element in the run-out region of the sanitary apparatus, which indicator element has an optically recognizable chemical or physical conversion indicator that provides an observable conversion after a predetermined, or pre-set, number of uses, or wettings, of the sanitary apparatus for altering maintenance personnel that maintenance of the sanitary apparatus is required. An apparatus for performing the method is also provided.
    • 根据卫生设​​备的使用,确定更换一个或多个易损部件,阻塞液体和香料和清洁物质的时间点的方法包括将指示元件放置在流出区域中的步骤 卫生设备的哪个指示元件具有光学可识别的化学或物理转换指示器,其在预先确定或预先设定的使用或润湿数量之后提供可观察的转换,以改变维护人员维护维护人员 需要卫生设备。 还提供了一种用于执行该方法的装置。
    • 7. 发明授权
    • Welding sleeve
    • 焊接套管
    • US4493985A
    • 1985-01-15
    • US489253
    • 1983-04-27
    • Hans Keller
    • Hans Keller
    • B29C65/00B29C65/34F16L47/03H05B3/58
    • F16L47/03B29C65/342B29C65/3468B29C65/3476B29C66/1222B29C66/1224B29C66/5221B29C66/52292B29C66/73921B29C66/91411B29C66/91655B29C66/91218B29C66/91221B29C66/949
    • A welding sleeve for connecting pipes formed of thermoplastic material includes an electrical conductor in the form of an electrical resistance wire. The resistance wire extends around the sleeve and has a pair of opposite ends for conveying current through the wire. The opposite ends of the wires can be connected directly to a source of electrical current, for instance a 220.degree. V.about.line. It is not necessary to provide transformers or timing relays. A melting material is incorporated into the conductor between its ends and it melts through when the energy necessary for welding the sleeve has been developed. After the current is supplied through the resistance wire, the welding process is completed when the predetermined melting material melts through. Such sleeves can be manufactured in a mass production operation, and the sleeves are much safer than the conventional devices used to-date.
    • 用于连接由热塑性材料形成的管的焊接套管包括电阻线形式的电导体。 电阻丝围绕套筒延伸,并具有一对相对的端部,用于输送电流通过导线。 电线的相对端可以直接连接到电流源,例如220 V差分线。 不需要提供变压器或定时继电器​​。 熔化材料在其端部之间引入到导体中,并且当已经开发出用于焊接套筒所需的能量时,它熔化。 在通过电阻丝供电之后,当预定的熔融材料熔化时,焊接过程完成。 这种套筒可以在大规模生产操作中制造,并且套筒比现在使用的常规装置更安全。
    • 8. 发明申请
    • METHOD AND DEVICE FOR DETERMINING MAINTENANCE INTERVALS
    • 用于确定维护间隔的方法和装置
    • US20110016619A1
    • 2011-01-27
    • US12675704
    • 2008-05-23
    • Hans Keller
    • Hans Keller
    • E03D9/02
    • E03D9/00E03D13/005
    • A method for determining the point in time for the replacement of one or more of wearing parts, blocking fluids and fragrance and cleaning substances, dependent on the use of a sanitary apparatus, includes the step of placing an indicator element in the run-out region of the sanitary apparatus, which indicator element has an optically recognizable chemical or physical conversion indicator that provides an observable conversion after a predetermined, or pre-set, number of uses, or wettings, of the sanitary apparatus for altering maintenance personnel that maintenance of the sanitary apparatus is required. An apparatus for performing the method is also provided.
    • 根据卫生设​​备的使用,确定更换一个或多个易损部件,阻塞液体和香料和清洁物质的时间点的方法包括将指示元件放置在流出区域中的步骤 卫生设备的哪个指示元件具有光学可识别的化学或物理转换指示器,其在预先确定或预先设定的使用或润湿数量之后提供可观察的转换,以改变维护人员维护维护人员 需要卫生设备。 还提供了一种用于执行该方法的装置。