| 摘要 |
PURPOSE:To contrive to provide a blanket which can be easily handled, by a construction wherein a base constituting a lowermost layer is a plastic film or a metallic sheet, and an intermediate layer consists of a single layer of an elastic material. CONSTITUTION:The lowermost layer 15 of the blanket is constituted of a plastic film which is formed from a polyester, polypropylene or triacetyl cellulose, and the thickness thereof is preferably 0.1-0.5mm.. Further, a film layer 16 is provided on the layer 15, while the uppermost layer 11 is a surface rubber layer, the first layer 12 is a fiber-reinforced layer, the second layer is a soft rubber layer and the third layer 14 is a fiber-reinforced layer. The lowermost layer 15 may be a sheet of a metal such as iron, aluminum and copper, and the thickness thereof is preferably not smaller than 0.1mm.. Accordingly, by using the base poor in stretchability, the blanket can be wound in a uniform thickness, is not broken when being tightened, and can be easily handled. |
