Patent ID: 11925947
Assignee: GB DEVELOPPEMENT
Field: Chemical engineering (Chemistry)
Classification: CPC B  A | IPC A  B

Claim 19:
20. The device according to claim 1, further comprising braking means arranged to block an axial movement, of the piston in the housing, reducing the interior volume of the interior pocket when the movable wall is subjected to a pressing pressure, less than a threshold force, the braking means comprising:
a lug or tab located on the exterior of the piston and/or the interior of the housing, this lug or tab being arranged to rub or be blocked by a surface respectively of the interior of the housing and/or of the exterior of the piston, and/or
a lug or tab located on the exterior of the housing and/or the interior of a wall disposed around the housing, this lug or tab being arranged to rub or be blocked by a surface respectively of the interior of the wall and/or of the exterior of the housing.