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    • 73. 发明专利
    • Hinge arrangement
    • FI129039B
    • 2021-05-31
    • FI20185520
    • 2018-06-07
    • FRAMERY OY
    • TOIVOLA PEKKAPUOLIMATKA VILLE-VEIKKOHÄLLFORS MIIKA
    • E05F1/12E05D7/081E05F3/08
    • A hinge arrangement (100), comprising a profile (10) extending the length of a door leaf (50) and configured to receive and hold the door leaf (50); a lower and upper attachment element (40a,40b); a lower and upper hinge pin (20a,20b) arranged inside the lower and upper end of the profile (10) and inside the lower and upper attachment element (40a,40b), respectively; characterized by further comprising a spring element (30) extending through the profile (10), the lower and upper attachment element (40a,40b) and lower and upper hinge pin (20a,20b) and configured to provide sturdiness, wherein the spring element is attached at one end with the lower or upper attachment element (40a,40b) and at the other end with the profile (10) or with the lower or upper hinge pin (20a,20b) and configured cause tension pulling the hinge arrangement to a closed position. Also a door comprising the hinge arrangement, a soundproof space comprising the door and a method of operating a hinge arrangement.
    • 75. 发明专利
    • Ventilation system and method
    • FI128691B
    • 2020-10-15
    • FI20185519
    • 2018-06-07
    • FRAMERY OY
    • HÄLLFORS MIIKATAMMINEN MIKKO
    • F24F13/24E04H1/12F24F7/013F24F7/02
    • A ventilation system (100), comprising at least one fan (40) positioned at at least one air inlet aperture (20) for sucking air through the air inlet aperture (20) and providing an air flow; at least one air outlet aperture (30); at least one ventilation inlet aperture (90a) for guiding air into the space to be ventilated and at least one ventilation outlet aperture (90b) for guiding air away from the space to be ventilated; at least one first (50) and at least one second (70) air channel connected with each air inlet or outlet aperture; wherein the first (50) and the second (70) air channel are formed respectively into a single layer of a sandwich-type roof structure of the space to be ventilated; wherein the first (50) and the second (70) air channel, are joined at one end thereof to form an indirect air path from an air inlet or outlet aperture to the ventilation inlet aperture (90a) or ventilation outlet aperture (90b); and wherein the at least one first (50) air channel comprises at least a first (50a) and a second (50b) sub-channel in the plane of the single layer with at least one first sound dampening element (60) therebetween. Also a soundproof space and a method of ventilating a soundproof space.