US 12,031,529 B2
Filling device for filling a defined quantity of a product
Johannes Baeuerle, Obersontheim (DE)
Assigned to Syntegon Technology GmbH, Waiblingen (DE)
Appl. No. 17/431,927
Filed by Syntegon Technology GmbH, Waiblingen (DE)
PCT Filed Feb. 19, 2020, PCT No. PCT/EP2020/054276
§ 371(c)(1), (2) Date Aug. 18, 2021,
PCT Pub. No. WO2020/169627, PCT Pub. Date Aug. 27, 2020.
Claims priority of application No. 10 2019 202 416.5 (DE), filed on Feb. 22, 2019.
Prior Publication US 2022/0145867 A1, May 12, 2022
Int. Cl. F04B 1/0408 (2020.01); B65B 3/00 (2006.01); B65B 3/32 (2006.01); F04B 13/00 (2006.01); F16K 15/14 (2006.01)
CPC F04B 1/0408 (2013.01) [B65B 3/003 (2013.01); B65B 3/32 (2013.01); F04B 13/00 (2013.01); F16K 15/147 (2013.01); F16K 15/148 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A filling device for dispensing a defined quantity of a product, comprising:
a piston pump for delivering the product to be dispensed from a reservoir to a filling needle,
wherein the piston pump comprises a piston, a cylinder body, an inlet, an outlet, a first non-return valve arranged at the outlet, and a second non-return valve arranged at the inlet,
wherein the piston, the cylinder body, the inlet, the outlet, the first non-return valve and the second non-return valve are made of a non-metallic material,
wherein the inlet includes a central axis and the outlet includes a central axis,
wherein the central axis of the inlet and the central axis of the outlet are arranged inclined at an angle within a range between 30° and 70° relative to an axis of the cylinder body,
wherein the inlet and the outlet are arranged in an upper region of the cylinder body,
wherein the first non-return valve is an umbrella valve and the second non-return valve is a duckbill valve, and
wherein a beak-shaped portion of the second non-return valve is surrounded by a corresponding opening geometry or orifice of the cylinder body that corresponds to the beak-shaped portion of the second non-return valve.