| 摘要 |
A door and a door set are provided to be manufactured simply with a simple structure and to increase durability. The door(70) contains a pair of front and rear panels(71,72) formed in the same shape and size to form the front and rear outer sides of a door and manufactured with synthetic resins or hot pressed glass fiber, a pair of horizontal frames(73) and a pair of vertical frames(76) fixed on the edge of the front panel and the rear panel to form the top, the bottom and two sides of the door and formed with laminated veneer lumber(74,77) by insert injection molding and reinforced urethane(75,78) including fireproof materials to secure strength, thermal insulating capacity, waterproofing capacity and fireproofing capacity, and a foam layer formed by injecting and hardening foaming solutions in a space formed by the front panel, the rear panel, the horizontal frame and the vertical frame. The door set comprises a main door and a sub door installed to a doorframe to be movable, and a doorframe composed of a main frame corresponded to the top, the bottom and two sides of the main door and the sub door and an intermediate frame placed between the main door and the sub door. |
