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    • 57. 发明申请
    • IMPROVED CARPET SEAMING IRON
    • 改进地毯密封铁
    • WO99038668A1
    • 1999-08-05
    • PCT/US1999/001680
    • 1999-01-27
    • B29C65/18B32B31/20
    • B29C65/305B29C65/18B29C66/1122B29C66/43B29C66/435B29C66/81261B29C66/8181B29C66/81821B29C66/836B29C66/8612B29C66/91231B29C66/91421B29C66/91431B29C66/91655B29C66/961B29L2031/7322Y10T156/1788Y10T156/18
    • An improved carpet seaming electric iron of the kind used for making carpet face seams with hot melt adhesive tapes is disclosed. Improved heat transfer and control is achieved by reducing the thermal mass of the iron baseplate (10), and by providing a raised channel (32), integral with the top surface (56) of the baseplate, for mounting the heating element (40) to efficiently transmit the heat generated by the heating element through the baseplate. A temperature control switch (44) having a sensor is provided for sensing the temperature of the baseplate at the top surface and for controlling the flow of current to the heating element to return the baseplate to a desired temperature set by the operator. A heat shield (12) is provided to protect the operator and carpet backings. Lower temperatures at the surface of the heat shield are obtained by using an insulating gasket (42) to eliminate any direct contact between the heat shield and the baseplate, by using brackets and fasteners (48) which do not conduct heat well to attach the heat shield to the baseplate and by providing the heat shield with a plurality of air inlets (20) around the bottom of the heat shield and one or more air outlets (70) at the top of the heat shield to permit air to circulate through the space between the heat shield and the baseplate. When the air is warmed by the baseplate, it rises through the air outlet thus keeping the heat shield cool. A handle (14) which is nonconductive to heat is provided to enable the iron to be manipulated by an operator. This combination provides a lighter carpet seaming iron with excellent thermal control.
    • 公开了一种用于用热熔胶带制造地毯接缝的改进的地毯接缝电熨斗。 通过减小铁基板(10)的热质量,并且通过提供与基板的顶表面(56)成一体的凸起通道(32)来实现改进的传热和控制,以安装加热元件(40) 以有效地传递由加热元件产生的热量通过基板。 提供具有传感器的温度控制开关(44),用于感测顶表面上的基板的温度,并用于控制到加热元件的电流流动,以将基板返回到由操作者设定的期望温度。 提供隔热罩(12)以保护操作者和地毯背衬。 通过使用绝缘垫圈(42),通过使用不能很好地传导热量来附接热量的托架和紧固件(48),通过使用绝缘垫圈(42)来消除隔热板和基板之间的任何直接接触,从而获得隔热层表面的较低温度 屏蔽到基板上,并且通过在隔热罩的底部周围设置多个空气入口(20)并在隔热罩的顶部设置一个或多个空气出口(70),以允许空气在空间中循环 隔热板和底板之间。 当空气被基板加热时,它通过出风口上升,从而保持隔热罩的冷却。 提供不导热的手柄(14),以使熨斗能够由操作者操纵。 这种组合提供了一种较轻的地毯接缝铁,具有出色的热控制性能。