Japan, July 14 -- YOSHINO KOGYOSHO CO LTD has got intellectual property rights for 'PUMP TYPE DISCHARGE TOOL AND PUMP DISCHARGE CONTAINER.' Other related details are as follows:
Application Number: JP,2023-030463
Category (FI): B65D47/34,110
Stage: PROBLEM TO BE SOLVED: To provide a pump type discharge tool and a pump type discharge container capable of reducing the force required for the pushing operation of a pushing head.SOLUTION: A pump type discharge tool 1 according to the present invention used by being attached to a mouth portion 2a of a container body 2 comprises the following components: a mounting cap 10; a press-down head 20; a cylinder body 30 held by the mounting cap 10; a first check valve 40 for opening and closing a suction port 34; a stem body 50 which is movable in the vertical direction together with the press-down head 20 and has a discharge passage 52, an upper communicating passage 53, a bypass chamber 55, and a lower communicating passage 56; a second check valve 60 for opening and closing an inflow hole 51 or the lower communicating passage 56; a first piston 70 provided in the stem body 50; and a second piston 80 which has a cylinder body portion 81 mounted outside the stem body 50 so as to be relatively movable in the vertical direction and a seal portion 82 abutting on the inner peripheral surface of a first cylinder portion 31. The present invention also includes a pump type discharge container 3 using the same.SELECTED DRAWING: Figure 1 (Grant)
Filing Date: Feb. 28, 2023
Publication Date: Sept. 9, 2024
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
