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    • 2. 发明专利
    • SOUND INSULATION DOOR OR PANEL
    • JP2003253970A
    • 2003-09-10
    • JP2002058520
    • 2002-03-05
    • KINKI SHARYO KK
    • SHIMIZU TAKAHIRO
    • E06B5/20E06B3/72E06B3/82
    • PROBLEM TO BE SOLVED: To provide a comparatively lightweight sound insulation door not only promoting medium/high frequency band but also promoting sound insulation effect of low frequency band by effectively preventing the sound bridge or the plane vibration. SOLUTION: The sound insulation door is so constituted that a first core 11 is placed to the central part of the door, second cores 12 and 12 are arranged to both right and left of the door by adjoining the first core and that the cores are held between a pair of surface plates 5 and 5 provided to both sides in the direction of the thickness. The first core 11 is so constituted that two approximately U-shaped skeleton members 2 and 2 are arranged to oppose open sections of them to each other, at the same time, the open ends 23 and 23 are connected to each other with a buffer member 3 and that a sound absorbing material 6 is filled between the skeleton members 2 and 2 formed by the constitution. Each of the second cores 12 is penetrated in the direction of the thickness of the door to have a large number of openings 12a as a honeycomb paper core. COPYRIGHT: (C)2003,JPO
    • 5. 发明专利
    • DOOR WITH SECURITY FRAME
    • JP2003239593A
    • 2003-08-27
    • JP2002044407
    • 2002-02-21
    • KINKI SHARYO KK
    • SHIMIZU TAKAHIRO
    • E05B63/14
    • PROBLEM TO BE SOLVED: To provide a door with a security frame resistable against forcible prying by a bar and the like or impact applied by the whole weight by means of a simple structure. SOLUTION: This door 1 with the frame is constructed of a substantially rectangular door frame 10 arranged in an entrance and a substantially rectangular door main body 2 attached to the door frame 10, and two locks are arranged in the door main body 2. A first case lock 4 is constructed so that a latch 21 and a dead bolt 6 can be protruded from the door end side edge face of a case body 20. A second case lock 30 is provided with a case body 32, in which rods 33 and 34 are arranged movably forward and backward, and from the upper and lower end faces of the door main body 2, the rods 33 and 34 can be protruded from the upper and lower end faces of the door main body 2. When a key for the cylinder lock 31 is operated, the tip parts of the rods 33 and 34 are protruded from the upper and lower end faces of the door main body 2, and their tip parts are individually inserted into second recess parts 11a and 12a formed in upper and lower lateral frames 11 and 12. COPYRIGHT: (C)2003,JPO