Austragvorrichtung

Details

Veröffentlichungs-Nr.

EP4772283

Anmeldetag

1. September 2023

Veröffentlichung

6. März 2025

Rechtsraum

EP

IPC

B05B11/10, B05B11/00

Abstract

A discharge device (1) includes: a first cylinder (24); a first piston (3) configured to slide on the first cylinder (24); a second cylinder (4) attached to a mouth (20a) of a container body (20); a second piston (25) configured to slide on the second cylinder (4); a holding member (16) configured to advance and retract along with the first cylinder (24) and the second piston (25) relative to the second cylinder (4) in response to an external operation and, during the advancement and retraction, advance and retract along with the first piston (3) relative to the first cylinder (24); an internal flow path (18) through which contents inside the container body (20) are discharged via a pump chamber (18a) defined by the first cylinder (24), the first piston (3), the second cylinder (4), and the second piston (25), in accordance with the advancement and retraction of the holding member (16); a pressure accumulating portion (17) configured to close the internal flow path (18) by seating of a seating portion (3a) of the first piston (3) in an advancing direction against a seated portion (6a) of the holding member (16) due to urging by a first urging member (13); and a second urging member (14) configured to urge the holding member (16) in a retracting direction relative to the second cylinder (4).

Anmelder

Firma

Yoshino Kogyosho Co., Ltd.

Land

🇯🇵 Japan

Fachgebiete