초록 ▼

A fluid dispenser including, a fluid reservoir with a neck externally threaded and that internally defines an opening that communicates with the inside of the reservoir, the neck forming at least one helical thread; and a dispenser head that is mounted on the neck by a fastener member in engagement

A fluid dispenser including, a fluid reservoir with a neck externally threaded and that internally defines an opening that communicates with the inside of the reservoir, the neck forming at least one helical thread; and a dispenser head that is mounted on the neck by a fastener member in engagement both with the threaded neck and with the dispenser member. The fastener member includes a ring, the ring forming: a reception mechanism for receiving the dispenser member; an annular ledge; and a skirt that is in engagement with the threaded neck. The ring includes a rupture mechanism between the ledge and the skirt so as to separate the ledge from the skirt by turning the ring on the threaded neck, in such a manner as to remove the dispenser member from the reservoir.

대표청구항 ▼

1. A fluid dispenser comprising: a fluid reservoir provided with a neck that is externally threaded and that internally defines an opening that communicates with the inside of the reservoir, the neck forming at least one helical thread; anda dispenser head (T) that is mounted on the neck of the rese

1. A fluid dispenser comprising: a fluid reservoir provided with a neck that is externally threaded and that internally defines an opening that communicates with the inside of the reservoir, the neck forming at least one helical thread; anda dispenser head (T) that is mounted on the neck of the reservoir, the head (T) comprising: a dispenser member; a pusher for actuating the dispenser member; and a fastener member that is in engagement both with the threaded neck of the reservoir and with the dispenser member;the fastener member including a ring, the ring forming: reception means for securely receiving the dispenser member; an annular ledge for exerting pressure on the neck; and a skirt that is suitable for coming into engagement with the threaded neck;wherein the ring includes rupture means between the ledge and the skirt so as to separate the ledge from the skirt by turning the ring on the threaded neck, in such a manner as to make possible removal of the dispenser member from the reservoir;the dispenser further comprises abutment means preventing the skirt from being unscrewed from the threaded neck;the neck comprises an annular peripheral lip situated above the thread, the lip defining the abutment means in the form of an annular shoulder below which the skirt comes into abutment when attempting to unscrew the skirt from the neck;the skirt is malleable in such a manner as to deform on the threaded neck;the fastener member further comprises a rigid hoop that is engaged around the skirt so as to push the skirt radially against the threaded neck in such a manner as to deform the skirt against the thread of the neck and create a thread indentation in the skirt and to lock the skirt under the annular shoulder; and wherein once the ring with the skirt is removed, the ring with the skirt is no longer screwable on the threaded neck. 2. A dispenser according to claim 1, wherein the thread of the neck slopes upwards from right to left, such that the screw-tightening direction is counter-clockwise and the unscrewing direction is clockwise. 3. A dispenser according to claim 1, wherein the skirt is internally provided with a plurality of beads for being deformed by the thread of the neck, so as to create a thread indentation. 4. A dispenser according to claim 1, wherein the skirt is continuous over its entire periphery, such that it remains in position around the neck after the rupture means have ruptured. 5. A dispenser according to claim 1, wherein the skirt includes a longitudinal slot that makes it possible to remove the skirt from the neck after the rupture means have ruptured. 6. A dispenser according to claim 5, wherein the rupture means extend over a fraction only of the periphery of the skirt so that once the rupture means have broken, the skirt remains secured to the remainder of the ring via a strong sector, the sector advantageously being situated adjacent to the slot. 7. A dispenser according to claim 1, wherein the rupture means are formed at the skirt. 8. A dispenser according to claim 1, wherein the rupture means comprise breakable bridges of material that are separated by slots. 9. A dispenser according to claim 1, wherein the neck includes an annular peripheral lip that is situated above the thread, the lip defining a frustoconical wall so as to make it easier to engage the skirt on the neck. 10. A dispenser according to claim 1, wherein the hoop is engaged around the ring via two portions, namely a bottom portion (3i) that is situated below the rupture means and that incorporates the skirt, and a top portion (3s) that is situated above the rupture means, the friction in turning between the top portion (3s) and the hoop being greater than the friction in turning between the bottom portion (3i) and the hoop. 11. The dispenser according to claim 1, wherein the dispenser member is a pump or a valve. 12. The dispenser according to claim 1, wherein the skirt has a part engaged with the at least one helical thread and the rupture means is located between the ledge and the part. 13. A fluid dispenser comprising: a fluid reservoir provided with a neck that is externally threaded and that internally defines an opening that communicates with an inside of the reservoir, the neck forming at least one helical thread defined by a projecting helical rib having a helical top surface portion and a parallel helical bottom surface portion; anda dispenser head that is mounted on the neck of the reservoir, the head comprising a dispenser member; a pusher for actuating the dispenser member; and a fastener member that is in engagement both with the threaded neck of the reservoir and with the dispenser member;the fastener member comprising a ring, the ring forming an opening having a support for the dispenser member, the support extending radially inward; and a skirt configured to be in threaded engagement with the at least one helical thread;wherein the ring includes a weakened portion configured to rupture and separate a lower portion of the ring from an upper portion of the ring so as to separate the support from the skirt by turning the ring on the threaded neck and so as to allow removal of the dispenser member from the reservoirthe neck comprises an annular peripheral lip disposed above the thread, the lip defining an annular shoulder below which the skirt comes into abutment preventing the skirt from being unscrewed from the threaded neck;the skirt is malleable in such a manner as to deform on the threaded neck;the fastener member further comprises a rigid hoop engaged around the skirt so as to push the skirt radially against the threaded neck in such a manner as to deform the skirt against the thread of the neck and create a thread indentation in the skirt and to lock the skirt under the annular shoulder; andwherein, once the weakened portion is ruptured and the ring with the skirt is removed, the ring with the skirt is no longer configured to be screwed on the threaded neck. 14. The dispenser according to claim 13, wherein the lower portion of the ring engages with the at least one helical thread and the weakened portion is located between the lower portion and the support. 15. The dispenser according to claim 13, wherein the weakened portion is formed by breakable bridges.