| 摘要 |
PURPOSE: A heater unit is provided to enhance a heating capacity and to control a vibration sound generated in a magazine to be heated by adhering a sheath heater to one surface of a covering sheet having vibration absorbency. CONSTITUTION: A heater unit is composed of a rectangular covering sheet(32) and a sheath heater(31) attached/fixed to the covering sheet(32). The covering sheet(32) is composed of a butyl rubber layer(33) and aluminum foil(34) covering both sides, reflects a heat ray from the sheath heater(31), and exhibits a heat insulating function. The sheath heater(31) is attached/arranged so as to be pressed to one surface of the covering sheet(32), and is integrally joined by an adhesive(35). A laminating sheet(36) is coated at an entire area of the sheath heater.
|
