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    • 3. 发明申请
    • Heat element for maintaining laminator at predetermined working temperature
    • 用于在预定工作温度下保持层压机的热元件
    • US20090039075A1
    • 2009-02-12
    • US11890481
    • 2007-08-07
    • T.C. Wang
    • T.C. Wang
    • H05B3/10
    • H05B3/24
    • A heating element that can maintain a laminator at a predetermined working temperature is disclosed. A low-power heating filaments and a high-power heating filaments are sandwiched between insulators. The high-power heating filaments are shut down once it is heated to a predetermined temperature. The low-power heating filaments are then turned on to maintain a constant temperature. When the temperature drops below a predetermined temperature, the low-power heating filaments are shut down and the high-power heating filaments are turned on to heat up the laminator. The temperature is thus maintained within a predetermined range through such cycles.
    • 公开了一种能够将层压机保持在预定工作温度的加热元件。 低功率加热丝和大功率加热丝夹在绝缘体之间。 一旦加热到预定温度,大功率加热丝被关闭。 然后将低功率加热灯丝接通以保持恒定的温度。 当温度降到预定温度以下时,关闭低功率加热丝,并打开高功率加热丝加热层压机。 因此,通过这样的循环,将温度维持在预定范围内。