Abstract: The invention concerns a device comprising a screen (2) presenting flexible side edges (4) having an overthickness (4?), this screen (2) being equipped with one cable or with several juxtaposed cables (21), incompressible in their lengthwise direction, extending parallel to the side edges (4) of the screen so as to enable the application of a thrust force on these side edges (4) in their longitudinal direction to move the screen to its closed position, this cable or cables (21) being located in the neutral surface (24) of said edges (4) formed on bending of the latter and being fixed with respect to the screen (2) in an unremovable way; the overthickness comprises a flexible strip (8) made of an elastic material, wherein the cable or cables (21) are incorporated, as well as two notched belts (9, 10) being located the one with respect to the other on each of both sides of the curtain (2).

Abstract: The invention concerns a device with a curtain which can be rolled up and unrolled between a shut position and an open position, whereby this curtain (1) comprises a belt (2,3) on each of its faces, whereby each belt (2,3) has successive teeth (5,6) in the longitudinal direction, whereby these belts (2,3) are situated opposite one another in such a way that they can mesh when the curtain (1) is being rolled up. At least one of these belts (2,3) comprises teeth (5,6) having at least one recess (8,9) in which at least one protruding part (10,11) of the teeth (5,6) of the other belt (2,3) can engage in such a way that the two belts (2,3) can mesh and such that one of these belts (2,3) can push the other belt (2,3) in their longitudinal directions.

Abstract: The invention relates to a flexible shutter device, designed for closing a bay or other opening which cooperates with drive means which permit a displacementfo the flexible shutter between an open position and a closed position. The device comprises a drum which may turn about the axis thereof and about which the flexible shutter is wound in the open position thereof, forming a roll comprising turns made up of successive layers attaching one to the other and from which the flexible shutter can be unwound and pushed into the closed position thereof. Slides mounted on a fixed support provide guidance along the bay for the unwound part of the flexible shutter. Pressure or restriction elements (33, 50, 66) avoid buckling of the lateral edges (2,3) in the supported part thereof, extending between a first end (30) of the slides (4,5), nearest the roll and the roll.

Abstract: The invention relates to a set of doors for closing off a bay (6) in a wall (4), comprising a first flexible door (1) and a second door (2) having at least a rigid bottom edge (17), it being possible to impart an upward movement and a downward movement to each of these doors (1, 2) respectively into an open position and a closed position, the second door (2) being disposed so as to create a slit (31) between the wall (4) and the rigid bottom edge (17) of this second door (2) as it is moved upwards into the open position. The flexible door (1) is disposed at least partially between said second door (2) and said wall (4) and can be displaced through said slit (31) between its closed position and its open position when the second door (2) is in the open position.

Abstract: The invention relate to a flexible shutter device, designed for closing a bay (6), cooperating with drive means which permit the movement of the flexible shutter (1) between an open position and a closed position. The device comprises a drum (8) which may turn about the horizontal axis (11) thereof and about which the shutter is wound in the open position forming a roll of turns of successive layers of the shutter attaching one to the other and from which the flexible shutter can be unrolled and pushed into the closed position thereof. Suspension means for the drum comprise a suspension axis (13) parallel to the axis of rotation of the drum about which the rotational axis of the drum can oscillate. Contact elements (16, 36) exert a driving force on the roll essentially radial with relation to the drum.

Abstract: The invention is relative to a roller shutter device (3) designed to close a window (1) or other opening, the shutter (3) having side edges (4) that are held in guide tracks (5) and which can be disengaged from their guide tracks (5), each of the guide tracks (5) having an access opening (6) in their upper part through which the corresponding edge (4) of the shutter (3), which may have become disengaged, can once again be engaged into the portion of the guide track considered located above this access opening (6) when the shutter (4) is being moved into its open position, control means (9, 10) being foreseen, at least up to a level located below the portion (12) of the abovementioned guide track, on either side of a plane extending in the longitudinal direction of the guide tracks (5) and passing through the latter, these means allowing the possible sway of the shutter (3) to be controlled at the point where these side edges (3) are engaged into said portion (12) of the guide track through the access opening

Abstract: The present invention concerns a method for producing a shutter (2) designed to be rolled up and unrolled, characterised in that on each face, opposite one another, is provided a serrated belt (3,4) comprising a succession of teeth, and in that, in order to make it possible for both belts (3,4) to mesh, the position of the teeth of at least one of the belts (3,4) is adjusted by deforming said belt (3,4) in such a way that both belts (3,4) can mesh, and that this mutual position of the belts (3,4) can subsequently be stabilized.

Abstract: The invention concerns a device with a curtain (2) that can be rolled up and unrolled between a shut position and an open position comprising, near the lateral edges (3) on each face, a serrated belt (1,6) extending parallel to said lateral edges (3), whereby each of the belts (1,6) has successive teeth (5,8). The lateral face of the teeth, extending in the longitudinal direction of the corresponding lateral edge (3) of at least one of the belts (1,6) provided on a face of the curtain (2) rests on a supporting element when the curtain (2) is rolled up. This supporting element is provided on the other face of the curtain (2).

Abstract: The invention relates to a curtain device mounted on a shaft (2) about which said curtain (1) can be wound to an open position and unwound into a closed position, a drive wheel (7) fixed coaxially to said shaft (2) and cooperating with said curtain (1) such as to displace the latter between said two positions. The device comprises an oblong flexible control body (11), cooperating with the drive wheel (7), said body (11) being embodied to permit the displacement of the curtain (1) between the open position and the closed position thereof, independently of the slack formed in the curtain (1) and to be able to be displaced along at least one of the lateral edges (4) of the curtain (1) and act upon the region (8) of the latter as opposed to that arranged on the shaft (2).

Abstract: The invention relates to a shutter device intended to close a bay (6) or other opening, with flexible edges (2, 3) projecting with respect to the plane of the shutter (1) and collaborating with guideways (4, 5), at least one reintroduction element (12) being provided, allowing the said edges (2, 3) to be reintroduced into the guideways (4, 5) when these edges (2, 3) become disengaged from the latter under the action of a force exerted on these edges (2, 3) in a direction transverse to the guideways (4, 5), a contact area (37) being formed during this reintroduction between the reintroduction element (12) and the corresponding edge (2, 3), characterized in that the lateral edges (2, 3) consist at least partially of an elastomeric material so that the said contact area (37) increases as the said force increases, spreading this force over the contact area (37).

Abstract: The invention relates to a shutter device intended to close an opening, the shutter (1) being able to be moved downwards and upwards between an open position and a closed position, this shutter (1) having flexible or articulated roughly continuous lateral edges (8, 9) running with respect to guideways (10, 11) mounted on fixed supports (12) on each side of the opening, means being provided to allow a passage to be created between the guideways (10, 11) that is wider than the distance between the lateral edges (8, 9) of the shutter (1) when the latter is in the open position.

Abstract: The invention concerns a device comprising a screen (2) presenting flexible side edges (4) having an overthickness (4?), this screen (2) being equipped with one cable or with several juxtaposed cables (21), incompressible in their lengthwise direction, extending parallel to the side edges (4) of the screen so as to enable the application of a thrust force on these side edges (4) in their longitudinal direction to move the screen to its closed position, this cable or cables (21) being located in the neutral surface (24) of said edges (4) formed on bending of the latter and being fixed with respect to the screen (2) in an unremovable way; the overthickness comprises a flexible strip (8) made of an elastic material, wherein the cable or cables (21) are incorporated, as well as two notched belts (9, 10) being located the one with respect to the other on each of both sides of the curtain (2).

Abstract: A shutter device co-operating with driving means for enabling the shutter (1) to be displaced between an open position and a closed position, this shutter (1) being guided by a guide track (4, 5) and being designed to close off a bay (6) or other opening. The device having a drum (8) about which the shutter (1) is wound when the latter is in the open position such that the shutter forms a roll (31) made up of turns formed by successive layers of the shutter (1). The shutter (1) can be unwound from this roll towards its closed position. The device further has confining means for preventing the turns from forming wrinkles as the shutter (1) is being displaced into the closed position and/or for preventing these turns from slipping relative to one another.

Abstract: The invention is relative to a roller shutter device (3) designed to close a window (1) or other opening, the shutter (3) having side edges (4) that are held in guide tracks (5) and which can be disengaged from their guide tracks (5), each of the guide tracks (5) having an access opening (6) in their upper part through which the corresponding edge (4) of the shutter (3), which may have become disengaged, can once again be engaged into the portion of the guide track considered located above this access opening (6) when the shutter (4) is being moved into its open position, control means (9, 10) being foreseen, at least up to a level located below the portion (12) of the abovementioned guide track, on either side of a plane extending in the longitudinal direction of the guide tracks (5) and passing through the latter, these means allowing the possible sway of the shutter (3) to be controlled at the point where these side edges (3) are engaged into said portion (12) of the guide track through the access opening

Abstract: The invention relates to a shutter device intended to close a bay (11) or other opening and able to experience a downwards and upwards movement, the shutter (1) having flexible lateral edges (5, 6) projecting with respect to the plane of the shutter (1) and roughly continuous running in guideways (7, 8) mounted on a fixed support (9), means being provided, at least in the region of the lower part of the bay (11) or the said other opening, for allowing the projecting lateral edges (5, 6) to disengage from their guideways (7, 8) as soon as a certain tensile force transverse to the longitudinal direction of the guideways (7, 8) is exerted on these edges (5, 6), reintroduction means being provided so as to allow the lateral edges (5, 6) to engage once again in the upper part of the guideways (7, 8) during the upwards movement of the shutter (1), this device being characterized in that the said reintroduction means comprise guide members (20) provided facing the guideways (7, 8) so as to divert the edges (5, 6) of

Abstract: The invention relates to a shutter device co-operating with driving means enabling the shutter (1) to be displaced between an open position and a closed position, this shutter (1) being guided by a guide track (4, 5) and being designed to close off a bay (6) or other opening, this device comprising a drum (8) about which the shutter (1) is wound when the latter is in the open position forming a roll (31) made up of turns formed by successive layers of the shutter (1), and from which the shutter (1) can be unwound into its closed position, confining means being provided to prevent the turns from forming wrinkles as the shutter (1) is being displaced into the closed position and/or to prevent these turns from slipping relative to one another.

Abstract: The invention relates to a set of doors for closing off a bay (6) in a wall (4), comprising a first flexible door (1) and a second door (2) having at least a rigid bottom edge (17), it being possible to impart an upward movement and a downward movement to each of these doors (1, 2) respectively into an open position and a closed position, the second door (2) being disposed so as to create a slit (31) between the wall (4) and the rigid bottom edge (17) of this second door (2) as it is moved upwards into the open position. The flexible door (1) is disposed at least partially between said second door (2) and said wall (4) and can be displaced through said slit (31) between its closed position and its open position when the second door (2) is in the open position.

Abstract: This invention concerns a flexible shutter system combined with drive systems in such a way as to permit the shutter (1) to move vertically between a closed position and an open position, said shutter (1) being intended to close an opening (5) or other aperture, the shutter (1) having at least one area of low resistance (11) which, in the closed position, extends from the lower edge (4) of the shutter (1) to a certain height on the latter (1), in such a way as to permit the creation of at least one access aperture if the shutter (1) is broken at the location of said area of low resistance (11).

Abstract: The invention relates to a shutter device intended to close a bay (6) or other opening, with flexible edges (2, 3) projecting with respect to the plane of the shutter (1) and collaborating with guideways (4, 5), at least one reintroduction element (12) being provided, allowing the said edges (2, 3) to be reintroduced into the guideways (4, 5) when these edges (2, 3) become disengaged from the latter under the action of a force exerted on these edges (2, 3) in a direction transverse to the guideways (4, 5), a contact area (37) being formed during this reintroduction between the reintroduction element (12) and the corresponding edge (2, 3), characterized in that the lateral edges (2, 3) consist at least partially of an elastomeric material so that the said contact area (37) increases as the said force increases, spreading this force over the contact area (37).

Abstract: The invention relates to a shutter device intended to close an opening, the shutter (1) being able to be moved downwards and upwards between an open position and a closed position, this shutter (1) having flexible or articulated roughly continuous lateral edges (8, 9) running with respect to guideways (10, 11) mounted on fixed supports (12) on each side of the opening, means being provided to allow a passage to be created between the guideways (10, 11) that is wider than the distance between the lateral edges (8, 9) of the shutter (1) when the latter is in the open position.