Abstract: This invention concerns a weft thread clamp with two jaws (1), (2) that can be moved to an opened and closed position, with at least one jaw (1) being directly moveable to the closed position via fluid pressure. The moveable jaw is preferably (1) a moveable unit, preferably made of a light material or in a compact form, which is moveable as a complete unit under the influence of the fluid pressure. Such a weft thread clamp is more reliable and simpler, and has a quicker reaction speed than the known pneumatically controllable weft thread clamps. This invention also concerns a system for the presentation of weft threads to a weaving machine equipped with one or more such weft thread clamps, as well as a weaving machine equipped with such a presentation system.

Abstract: The present invention relates to a driving device, comprising at least one body (4), (11) which may be put in an alternating rotary motion by the rotation of at least one cam (3A), (3B); (16A), (16B), the said body (4), (11) being provided to be rotatable on a shaft-(1), which itself is provided to perform a continuous rotary motion. The said body (4), (11) may be mounted on bearings on the drive shaft (1) or on a shaft that may be driven by the drive shaft (1). Because of the continuous rotation of the said shaft (1), the bearings of this body will be subjected to a uniform load along their circumference and consequently will be likewise subjected to a uniform wear. This will enhance the life span of the bearing. Because of which the driving device will operate more precisely and it may be carried out in a more compact form. This invention likewise relates to a machine provided with such a driving device, more particularly to a textile machine.

Abstract: The invention relates to a weft yarn clamp for clamping and releasing weft yarns of a weaving machine, the weft yarn clamp comprising a first and a second clamping element, at least one clamping element of which is a clamping means controlled by an actuator and the actuator comprising a pneumatic system, controlling a clamping means working against a spring force.

Abstract: This invention concerns a weft thread clamp with two jaws (1), (2) that can be moved to an opened and closed position, with at least one jaw (1) being directly moveable to the closed position via fluid pressure. The moveable jaw is preferably (1) a moveable unit, preferably made of a light material or in a compact form, which is moveable as a complete unit under the influence of the fluid pressure. Such a weft thread clamp is more reliable and simpler, and has a quicker reaction speed than the known pneumatically controllable weft thread clamps. This invention also concerns a system for the presentation of weft threads to a weaving machine equipped with one or more such weft thread clamps, as well as a weaving machine equipped with such a presentation system.

Abstract: The invention relates to a device for attaching to a face-to-face weaving machine cylindrical upper and lower temples of the type having inclined toothed rings provided on shanks, the shanks of the upper and lower temples being attached to separate L-shaped upper and lower temple holder plates, in such a manner the temple shanks, pointing to the center of the weaving machines, are attached to the leg of the L-shaped holder plate placed in the warp direction, whereas the other leg of the L-shaped holder is directed towards the outside of the weaving machine and, in a manner adjustable in the warp-direction, is attached to a horizontal connecting piece, itself, in a manner adjustable as to height, being attached to a vertical holder.

Abstract: A face-to-face weaving machine with face-to-face shed forming has a passage for, and access to, the weaving frames without being hampered by a rear traverse. The face-to-face weaving machine with face-to-face shed forming is provided in which the weaving machine has no rear traverse.

Abstract: A device for presenting weft yarns (1), (2) to two (or more) rapiers provided above one another of a weaving machine, comprising two yarn carriers (14), which are movable between a receiving position, in which each yarn carrier (14) is able to receive a respective weft yarn (1), (2) to carry along this yarn, and a presenting position in which each yarn carrier (14) is able to present a weft yarn (1), (2) carried along to a respective rapier in order to insert this yarn into a shed. The presenting arms (3), (4) are rotatable above one another in respective intersecting planes of movement. Preferably, the upper presenting arm (3) is rotatable in a horizontal plane of movement, while the lower presenting arm (4) is rotatable in a plane of movement that is inclined downwards in the direction of the presenting position. With a similar presenting device the weft yarns can be taken up very close to the fell of the fabric and cut through, waste selvedges becoming unnecessary and weft yarns can be saved.

Abstract: A device for adjusting the tension of pile warp yarns in a face-to-face weaving machine comprises a first (14) and a second yarn guiding element (11), the second yarn guiding element (11) adjusting the tension in the pile warp yarns (100) by deflection. A pneumatic system (16) is provided, where the pressure in the pneumatic system (16) determines the deflection of the second yarn guiding element (11) and where the pneumatic system (16) is provided to maintain the pressure at a practically constant value, adjustable via a control system. The device is further provided so that the tension in the pile warp yarns (100) is adjustable by adjusting a certain pressure in the pneumatic system (16).

Abstract: The invention relates to a device for attaching to a face-to-face weaving machine cylindrical upper and lower temples of the type having inclined toothed rings provided on shanks, the shanks of the upper and lower temples being attached to separate L-shaped upper and lower temple holder plates, in such a manner the temple shanks, pointing to the center of the weaving machines, are attached to the leg of the L-shaped holder plate placed in the warp direction, whereas the other leg of the L-shaped holder is directed towards the outside of the weaving machine and, in a manner adjustable in the warp-direction, is attached to a horizontal connecting piece, itself, in a manner adjustable as to height, being attached to a vertical holder.

Abstract: A device for presenting weft yarns (1), (2) to two (or more) rapiers provided above one another of a weaving machine, comprising two yarn carriers (14), which are movable between a receiving position, in which each yarn carrier (14) is able to receive a respective weft yarn (1), (2) to carry along this yarn, and a presenting position in which each yarn carrier (14) is able to present a weft yarn (1), (2) carried along to a respective rapier in order to insert this yarn into a shed. The presenting arms (3), (4) are rotatable above one another in respective intersecting planes of movement. Preferably, the upper presenting arm (3) is rotatable in a horizontal plane of movement, while the lower presenting arm (4) is rotatable in a plane of movement that is inclined downwards in the direction of the presenting position. With a similar presenting device the weft yarns can be taken up very close to the fell of the fabric and cut through, waste selvedges becoming unnecessary and weft yarns can be saved.

Abstract: The invention relates to a weft yarn clamp for clamping and releasing weft yarns of a weaving machine, the weft yarn clamp comprising a first and a second clamping element, at least one clamping element of which is a clamping means controlled by an actuator and the actuator comprising a pneumatic system, controlling a clamping means working against a spring force.

Abstract: This invention relates to a face-to-face weaving machine with face-to-face shed forming. The problem with the face-to-face weaving machines with face-to-face shed forming known up to this moment is that the passage for and the access to the weaving frames are hampered by the rear traverse. Therefore, in the invention, a face-to-face weaving machine with face-to-face shed forming is provided, in which the face-to-face weaving machine (1) comprises no rear traverse.

Abstract: The invention relates to a device for adjusting the tension of pile warp yarns in a face-to-face weaving machine, the device comprising a first (14) and a second yarn guiding element (11), the second yarn guiding element (11) adjusting the tension in the pile warp yarns (100) by deflection, and where a pneumatic system (16) is provided, where the pressure in the pneumatic system (16) determines the deflection of the second yarn guiding element (11) and where the pneumatic system (16) is provided to maintain the pressure at a practically constant value, adjustable via the control system. The device is further provided so that the tension in the pile warp yarns (100) is adjustable by adjusting a certain pressure in the pneumatic system (16).

Abstract: A weaving loom provided with a device for positioning at least one weft cutter relative to a sley of the weaving loom in a specific direction includes a holder which carries at least one weft cutter and a bearing piece accommodates the holder. The bearing piece can be fixed immovably on the sley, which itself has at least one sley leg and a first end is rotatably connected to the sley by coupling elements. The holder is mounted inside the bearing piece so that it slides in a specific direction.