Multifunctional steel door window system and manufacturing method for window frame and window sash frame in system
A multi-functional, steel technology, applied in door/window application, window glass installation, window/door, etc., can solve the problem that steel non-insulated doors and windows cannot meet fire protection and heat insulation at the same time, high cost, complex design, etc. problems, to achieve the effect of beautiful appearance, environmentally friendly materials, and various functions
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[0027] With reference to the drawings, the present invention will be further explained.
[0028] A multifunctional steel door and window system, including window frame 1, middle stile 2, window sash frame 3 and matching glass 4, lock 5, hinge 6, sealing tape 7, fireproof expansion seal 8, glass bead 9, special-shaped Inorganic broken bridge insulation profile strip 10, fireproof filling material 11, bead fastener 12, window frame profile, middle sash profile and window sash frame profile all include the first mating part A of broken bridge cold bending and the second mating part of broken bridge cold bending B and the fire-proof and heat-insulating strip 10 are fixed together by screws. The first cold-formed fitting piece A of the broken bridge and the second cold-formed fitting piece B of the broken bridge are both frame-shaped structures, and both have openings on one side. The cross-section of either side of the type structure is a similar U-shaped structure. After the first c...
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