Fireproof and soundproof fixed window
A fixed window, sound insulation technology, applied on ships. , In the field of fixed windows, it can solve the problems of poor sound insulation effect, difficulty in meeting the sound insulation requirements of the centralized control room of the ship engine room, and limited use range
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[0011] like figure 1 and figure 2 As shown, the fire-proof, sound-proof fixed window of the present invention contains outer frame 9 and inner frame 6, and the cross-section of this outer frame and inner frame is approximately " L " shape and " 7 " shape respectively, and the transverse edge of outer frame 9 and Fireproof laths 7 and pads 8 are arranged between the horizontal sides of the inner frame 6, and through holes are correspondingly processed on the lateral sides of the outer frame 9, the fireproof laths 7 and the pads 8, and the horizontal sides of the inner frame 6. They are connected together with bolts 5. A pressing plate 2 is arranged outside the vertical edge of the inner frame 6 , the plate surface of the pressing plate 2 is perpendicular to the vertical edge of the inner frame 6 , and the two are connected together by means of screws 3 . The lateral width of the outer frame 9 is greater than the lateral width of the inner frame 6 , thereby forming an annular...
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