| 摘要 |
<p>The fillet double plate arrangement is for greenhouse windows. Transparent plastics, have considerable advantages over glass windows in terms of heat storage, impact resistance, installation and low infra-red transmission. It features two cover plates separated by fillets and a plane plate edge to place on a section bar frame of the greenhouse. A central flat depression (4) is formed and this is inserted just inside the plate edge (6), which is of constant width. The circumferential edge (8) of the double plate (2) has a rectangular shape and the fillets run parallel to the longer sides.</p> |
