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    • 55. 发明专利
    • TELEPHONE BOOTH
    • CA178249S
    • 2019-01-10
    • CA178249
    • 2017-11-16
    • FRAMERY OY
    • The design is the visual features of the TELEPHONE BOOTH shown in solid lines in the drawings, whether those features are of shape, configuration, ornament, or pattern, or are a combination of any of these features. The portions of the article shown in stippled lines do not form part of the design. Drawings of the design are included. FIG. 1 is a perspective view of the TELEPHONE BOOTH in accordance with the design; FIG. 2 is a front view of the TELEPHONE BOOTH of FIG. 1; FIG. 3 is a rear view of the TELEPHONE BOOTH of FIG. 1; FIG. 4 is a right side view of the TELEPHONE BOOTH of FIG. 1; FIG. 5 is a left side view of the TELEPHONE BOOTH of FIG. 1; FIG. 6 is a top view of the TELEPHONE BOOTH of FIG. 1; and FIG. 7 is a bottom view of the TELEPHONE BOOTH of FIG. 1.
    • 60. 发明专利
    • Ventilation system and method
    • FI20185519A1
    • 2019-12-08
    • 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.