| 摘要 |
This invention relates to a laminated electrical heating foil element (1) consisting of electrical resistance strips (2) embedded between two sheets of insulation material to make the laminated heating element (1) with its power supply terminal (3). …<??>The heating element (1) is in particular adapted for horizontal floor mounting between adjacent floor joists (9), and each element (1) may either be wider than the specified joist distance by approx. 2h, where "h" is the specified minimum distance to be left free above an installed element, or each element (1) may be provided with fastening devices wich may cooperate with complementary catching devices on the joists. …<??>Different embodiments of fastening devices between joist and heating element, as well as different embodiments of easy-to-fold zones (6) running along both side edges of the heating element, are described. |
