Abstract: A method of filling by weight containers having respective bottoms standing on a conveyor, including the steps of: grasping each container in order to separate it from the conveyor and to bring it up to a substance dispenser spout; weighing the container while it is held separated from the conveyor under the dispenser spout and while simultaneously filling it in order to reach a desired weight; and putting the container back onto the conveyor. In addition, an installation for performing the above method is provided.

Abstract: A device for blow-molding containers including a structure and a platform mounted to rotate on the structure about an axis of rotation. The platform is provided with blower members and with molds that are mounted under the blower members, each of which includes a stationary mold portion and a movable mold portion that is movable in pivoting by a control device between an open position and a closed position for the mold. The device includes blocking members for blocking the molds in the closed state, each blocking member including a strut.

Abstract: A method of filling by weight containers having respective bottoms standing on a conveyor. The method comprises the steps of: grasping each container in order to separate it from the conveyor and to bring it up to a substance dispenser spout; weighing the container while it is held separated from the conveyor under the dispenser spout and while simultaneously filling it in order to reach a desired weight; and putting the container back onto the conveyor. An installation for performing the method.

Abstract: A device for blow-molding containers including a structure and a platform mounted to rotate on the structure about an axis of rotation. The platform is provided with blower members and with molds that are mounted under the blower members, each of which includes a stationary mold portion and a movable mold portion that is movable in pivoting by a control device between an open position and a closed position for the mold. The device includes blocking members for blocking the molds in the closed state, each blocking member including a strut.

Abstract: The magnetic actuator device of the invention comprises a magnetic field generator external to the duct and a permanent magnetic field generator internal to the duct, separated from the magnetic field generator external to the duct by a non-magnetic separator wall, and connected to a moving member, the permanent magnetic field generator internal to the duct being dimensioned to have a face spaced apart from the separator wall so as to define a space that can receive particles of metal without the actuator device jamming.

Abstract: A filler spout comprising a tubular body having a transverse partition pierced by an opening forming a valve seat which is associated with a main valve member that is connected to a piston extending in a pilot cavity connected to an exhaust orifice and to a pilot duct having a pilot orifice provided with a controlled pilot valve member, the pilot duct opening out to a face of the piston that causes the main valve member to move towards an open position when the pilot duct is fed with a liquid under pressure.

Abstract: The present invention relates to a device for screwing caps onto receptacles, the device comprising at least one screwing spindle mounted to rotate on a support element, the spindle being provided with a cap-gripping clamp and slidably receiving a control element possessing one end connected to the clamp and an opposite end connected to a displacement member, the device comprising: a toggle-action connection interconnecting the support member and the control element, and possessing a first stable position holding the control element in a clamp-open position and a second stable position holding the control element in a clamp-closed position; and moving means for moving the connection into its stable position.

Abstract: Screw cap tightener apparatus comprising a turntable, a spindle mounted on the turntable to rotate relative thereto, a screw cap gripper head secured to the spindle, drive means to rotate the spindle by exerting an off-center drive force on the spindle, means for engaging a portion of the spindle that is stationary in rotation to detect a force applied in reaction to the drive force, and means for stopping tightening, said means being connected to the detector means to stop tightening when the force applied in reaction exceeds a predetermined threshold.

Abstract: The device for screwing on a cap comprises a gripping head fixed to a rotary spindle, and a drive shaft connected to a drive member carried by a frame, the rotary spindle and the drive shaft are connected to each other on the same axis by a resilient coupling member, connected both to the rotary spindle and to the drive shaft, and the device further comprises a detector member for detecting relative rotation between the rotary spindle and the drive shaft, and a control member for interrupting tightening of the cap when the relative rotation reaches a predetermined threshold.

Abstract: The filler spout comprises a tubular body having mounted therein a valve member and a magnetic actuator element connected to the valve member via a coupling member comprising two elements that are coupled to each other via a coupling that includes radial clearance.

Abstract: The gripping device for taking hold of receptacles comprises tongs having a first jaw fixed to a rotary platform and a second jaw mounted to pivot relative to the first jaw and provided with a control arm, and a locking member mounted to pivot eccentrically about an axis constrained to move with the rotary platform to act on the control arm of the second jaw, said locking member being provided with a drive member disposed to come to face an opening actuating member and a closing actuating member, which members are carried by a stationary frame element.

Abstract: The invention relates to a gripping clamp for receptacles, each comprising a body and a neck having a projecting collar presenting a substantially radial bearing face beside the body, the clamp having first and second jaws, the first jaw being arranged to co-operate with the bearing face of the collar and the second jaw being arranged to co-operate with a zone of the neck that extends in the vicinity of the bearing face on its side facing away from the body, when the clamp is in a closed, gripping position.

Abstract: A method of weight-filling a receptacle having a cylindrical neck and a collar extending around the neck, comprising the steps of suspending the receptacle by the collar and filling and weighing the receptacle while it is suspended, and a weight-filler device for filling, by means of a filler spout, a receptacle having a cylindrical neck and a collar extending around the neck. The device has a weighing device including a holding element having a top surface forming a support for the collar of the receptacle so that the receptacle extends vertically beneath the filler spout and is cantilevered out from a support member mounted on a structure to extend laterally therefrom and associated with a weighing sensor comprising an elastically flexible bar having one end rigidly secured to the structure and an opposite end connected to the support member so that the support member extends substantially horizontally irrespective of a presence of an absence of a container on the support member.

Abstract: A screwdriving spindle assembly comprising a spindle shaft provided with a holding device and secured to a gear wheel rotated by a drive assembly which comprises a pressurized fluid actuating cylinder having a piston rod secured to a transmission system, and a member for adjusting pressure disposed on a line for feeding fluid to the cylinder in the screw-tightening direction.

Abstract: A tubular body has a conical wall portion adjacent to a flow orifice. A conical valve member disposed facing the conical wall portion is connected to a position control member. A flow rate regulation member disposed upstream from the valve member relative to the fluid flow direction is connected to a position control member independent from the position control member of a valve member.

Abstract: A drive member of magnetic material is coupled to a shutter member and co-operates with a magnetic field generator connected to a control member. The magnetic field generator is mounted inside a sleeve of non-magnetic material secured to the tubular body. The sleeve extends substantially along the axis of the tubular body having one end closed and having its opposite end opening out to the outside of the tubular body. The drive member extends outside the sleeve facing the magnetic field generator.

Abstract: The manifold is secured to the dispenser duct adjacent an outflow nozzle and comprises an outlet orifice arranged directly above the outflow nozzle and is associated with a removable closure member secured to a lower end of a support member and associated with a control member which ensures that the closure member is applied against the outlet orifice of the manifold by a toggle action of the support member.

Abstract: It comprises a transport member on which the receptacles have a displacement direction corresponding to their long sides, at least one rotary packaging platform, and a rotary transfer member for transferring the receptacles from the transport member to the packaging platform, and a swivelling member disposed between the transport member and the transfer member to position the receptacles on the transfer member with their long sides extending in substantially radial manner.

Abstract: The method comprises the steps of:controlling the flow of substance by means of the filler member;measuring, over successive time intervals, the instantaneous flow rate of substance filled into the receptacle;calculating the total weight of substance filled into the receptacle on the basis of the instantaneous flow rate over each time interval; andcausing the flow of substance to stop when the calculated total weight reaches the reference net weight minus a tail-back weight for the substance.

Abstract: The valve includes a tubular body made of a non-magnetic material, a seat carried by the tubular body, a closure member disposed inside the tubular body and facing the seat, the closure member including a valve member connected to a drive ring made of a magnetic material extending substantially coaxially with the tubular body and facing a magnetic field generator disposed outside the tubular body and associated with a control member.