Fluid product dispensing pump
FR3151979A1Active Publication Date: 2025-02-14APTAR FRANCE SAS
Patent Information
- Application Number
- FR2023008576
- Authority / Receiving Office
- FR · FR
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2023-08-09
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2043-08-09
Smart Images
Figure 00000000_0000_ABST
Abstract
Pump comprising: - a pump body (1) defining a sliding barrel (11), - an actuating rod (2) movable within the pump body (1), - a piston (3) mounted on the actuating rod (2) and sliding tightly within the sliding barrel (11) over a piston stroke, the piston (3) forming a lower lip (31) and an upper lip (32), - a ferrule (4) fixedly mounted within the pump body (1), - a return spring (5) which forces the piston (3) against the ferrule (4) in the rest position, characterized in that the sliding barrel (11) defines a main section (111) and a secondary section (112), the main section (111) having a diameter smaller than that of the secondary section (111), the lower lip (31) being constantly in contact with the main section (111) over the piston stroke,while the upper lip (32) is located at the height of the secondary section (112) in the rest position and in contact with the main section (111) at least at the end of the piston stroke. "Figure for the abbreviation: Figure 1",
Need to check novelty before this filing date? Find Prior Art
Citation Information
Patent Citations
Spraying or delivering apparatus for fluid product with suction of the product contained in the outlet pipe at the end of the actuation.
FR2668958A1
Pump for distributing e.g. cosmetics, has base with annular supporting surface separated from support, where supporting surface lies against inner surface of lip, and linkage arranged between base and actuation tube
FR2910450A1