# US 11,999,551 B1 · Vacuumizing sealing tank > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,999,551 B1 - Document ID: US11999551B1 - Status: Granted - Kind: B1 - Application number: 18/418,499 - Filed: 2024-01-22 - Granted: 2024-06-04 - Earliest claimed: 2024-01-22 - Applicants: Tonglu Wanshan Stationery Co., Ltd - Inventors: Zhenfei Luo; Chan Ka Fai Kenneth - Web page: https://patentgrep.com/patent/US11999551B1 ## CPC - B65D 81/2038: {with means for establishing or improving vacuum} - B65D 43/0202: {without integral tamper element} - B65D 53/02: Collars or rings - B65D 81/2015: {in an at least partially rigid container (B65D81/2038 takes precedence)} - B65D 2543/00194: square or rectangular - B65D 2543/00972: Collars or rings - B65D: CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES ## Abstract The present disclosure discloses a vacuumizing sealing tank including a body and a cover; the body having an accommodating cavity with an upward opening; and the cover detachably installed on top of the body, covering and sealing the opening of the accommodating cavity; wherein the cover is provided with a vacuumizing device and a deflating component, the vacuumizing device being an air bag vacuumizing device that compresses the air bag to exhaust air in the accommodating cavity to achieve a vacuum state, and the deflating component deflating the accommodating cavity. The vacuumizing device and the deflating component are provided. After a stuff to be stored is placed in the accommodating cavity and the cover is on, the accommodating cavity may be vacuumized through the vacuumizing device, so that the stuff to be stored may keep fresh for a long time in the vacuum state. ## Claims ### Claim 1 A vacuumizing sealing tank, comprising a body and a cover; the body having an accommodating cavity with an upward opening; and the cover detachably installed on top of the body, covering and sealing the opening of the accommodating cavity; wherein the cover is provided with a vacuumizing device having an air bag configured to inflate and deflate with air and a deflating component, the vacuumizing device also having an air bag vacuumizing device that compresses the air bag to exhaust air in the accommodating cavity to achieve a vacuum state, and the deflating component deflating the accommodating cavity; and, wherein a top of the cover is concavely provided with an installation cavity, a bottom of the installation cavity is provided with a first air hole communicating the accommodating cavity; the vacuumizing device includes an air bag, a lower one-way valve, an upper one-way valve, a pressing button and a support spring; the air bag is pressably provided in the installation cavity, the air bag has a compression air cavity inside, and a top of the air bag is provided with a second air hole communicating the compression air cavity and outside; the lower one-way valve is provided in the first air hole to enable the accommodating cavity to communicate the compression air cavity in one way; the upper one-way valve is provided in the second air hole to enable the compression air cavity to communicate the outside in one way; the pressing button is provided on top of the air bag and in the installation cavity to enable the air bag to compress downward; and the support spring is provided in the compression air cavity to enable the air bag to be restored upwards. ### Claim 2 (depends on 1) The vacuumizing sealing tank according to claim 1, wherein a center of the bottom of the installation cavity is convexly provided with a bump, the first air hole is on the bump, a lower opening of the air bag sheathes the bump, and the air bag is sealed and fixedly installed to the bump via a first sealing ring. ### Claim 3 (depends on 1) The vacuumizing sealing tank according to claim 1, wherein an inner side wall of the installation cavity is concavely provided with a guide groove extending vertically, and an outer side wall of the pressing button is convexly provided with a guide portion moving up and down the guide groove. ### Claim 4 (depends on 3) The vacuumizing sealing tank according to claim 3, wherein the inner side wall of the installation cavity is concavely provided with a lock groove that is located beside a lower end of the guide groove and that communicates the lower end of the guide groove, the pressing button is a rotating pressing button, and in response to the pressing button being pressed to an extreme position, the pressing button rotates to lead the guide portion rotating and locked into the lock groove. ### Claim 5 (depends on 4) The vacuumizing sealing tank according to claim 4, wherein there are two guide grooves provided symmetrically, and correspondingly, there are two guide portions provided radially and symmetrically and two lock grooves provided radially and symmetrically. ### Claim 6 (depends on 1) The vacuumizing sealing tank according to claim 1, wherein a decorating cover plate is provided in the installation cavity, the decorating cover plate is provided with a spacing hole, and the pressing button passes the spacing hole to extend upwards. ### Claim 7 (depends on 1) The vacuumizing sealing tank according to claim 1, wherein the cover is provided with an installation hole communicating outside and the accommodating cavity; the deflating component includes a button member, a deflating spring and a deflating sealing ring; the button member is provided movable up and down in the installation hole, a lower end of the button member extends into the accommodating cavity, the deflating spring sheathes an upper end of the button member and pushes the button member to move upwards, the deflating sealing ring sheathes the lower end of the button member and is located in the accommodating cavity, and the deflating sealing ring seals or opens a lower opening of the installation hole as the button member moves up and down. ### Claim 8 (depends on 7) The vacuumizing sealing tank according to claim 7, wherein the installation hole is located beside the installation cavity. ### Claim 9 (depends on 1) The vacuumizing sealing tank according to claim 1, wherein the cover is provided with a sealing ring clamped between the cover and the body to seal the opening of the accommodating cavity.