US 12,280,386 B2
Fluid product dispenser
Stéphane Beranger, Surtauville (FR); and Alex Milian, Les Baux de Breteuil (FR)
Assigned to APTAR FRANCE SAS, Le Neubourg (FR)
Appl. No. 17/917,117
Filed by APTAR FRANCE SAS, Le Neubourg (FR)
PCT Filed Apr. 6, 2021, PCT No. PCT/FR2021/050594
§ 371(c)(1), (2) Date Oct. 5, 2022,
PCT Pub. No. WO2021/205106, PCT Pub. Date Oct. 14, 2021.
Claims priority of application No. 2003465 (FR), filed on Apr. 7, 2020.
Prior Publication US 2023/0149960 A1, May 18, 2023
Int. Cl. B05B 11/10 (2023.01); B65D 41/04 (2006.01)
CPC B05B 11/1049 (2023.01) [B65D 41/0471 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A fluid product dispenser comprising:
a fluid product vessel provided with an externally threaded neck and internally defining an opening communicating with the inside of the vessel, the neck forming at least one helical thread, which comprises an upper thread start, a lower thread end and an intermediate portion,
a dispensing head mounted on the neck of the vessel, the head comprising a dispensing member; a pusher for actuating the dispensing member; and a fastening member engaged both with the threaded neck of the vessel and with the dispensing member, the fastening member comprising:
a deformable and malleable skirt intended to engage with the threaded neck; and
a rigid collar 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 so as to create a thread imprint in the skirt,
wherein the intermediate portion has, over at least part of a length of the intermediate portion, a cross-section which decreases in the unscrewing direction and increases in the screwing direction, so that the unscrewing torque decreases and the rescrewing torque increases.