# US 12,179,985 B2 · Decompression absorption bottle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,179,985 B2 - Document ID: US12179985B2 - Status: Granted - Kind: B2 - Application number: 18/012,761 - Filed: 2021-06-25 - Published: 2023-08-10 - Granted: 2024-12-31 - Earliest claimed: 2020-06-26 - Assignees: Yoshino Kogyosho Co., Ltd. - Applicants: Yoshino Kogyosho Co., Ltd. - Inventors: Takumi Sugizaki; Hiroyuki Shima - Web page: https://patentgrep.com/patent/US12179985B2 ## CPC - B65D 79/0081: {in the bottom part thereof} - B65D 1/0276: {having a continuous contact surface, e.g. Champagne-type bottom} - B65D 2501/0036: Hollow circonferential ribs - 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 A decompression absorption bottle is formed of a synthetic resin material and has a cylindrical shape with a bottom. A bottom wall part of a bottom part includes a ground contact part; an upright peripheral wall part; and an annular movable wall part, the movable wall part is disposed to be freely rotatable in a vertical direction, the movable wall part is provided with an annular recess, and the annular recess is configured that an inner corner part having a V-shape or a U-shape protruding inward in the radial direction of the bottle when viewed from below, and an outer corner part having a V-shape or U-shape protruding outward in the radial direction of the bottle are alternately continued to each other in the circumferential direction of the bottle. ## Claims ### Claim 1 A decompression absorption bottle which is formed of a synthetic resin material and has a cylindrical shape, the bottle comprising: a bottom part, wherein a bottom wall part of the bottom part includes: a ground contact part located on an outer peripheral edge portion; an upright peripheral wall part which is continued to the ground contact part from an inside in a radial direction of the bottle and extends upward; and an annular movable wall part which extends inward in the radial direction of the bottle from an upper end portion of the upright peripheral wall part, wherein the movable wall part is disposed to be freely rotatable in a vertical direction around a connecting portion with the upright peripheral wall part, the movable wall part is provided with an annular recess which is recessed upward and extends in a circumferential direction of the bottle, and the annular recess is configured that an inner corner part having a V-shape or a U-shape protruding inward in the radial direction of the bottle when viewed from below, and an outer corner part having a V-shape or U-shape protruding outward in the radial direction of the bottle are alternately continued to each other in the circumferential direction of the bottle. ### Claim 2 (depends on 1) The decompression absorption bottle according to claim 1, wherein the movable wall part is formed in a curved surface shape which protrudes downward, and an inner end portion of the inner corner part in the radial direction of the bottle is provided at a lowermost part located at a lowermost position of the movable wall part. ### Claim 3 (depends on 1) The decompression absorption bottle according to claim 1, wherein radial recesses which are recessed upward and extend in the radial direction of the bottle are separately provided at portions in the movable wall part, the portions which are located on both sides that sandwich an inner end portion in the radial direction of the bottle at the inner corner part in the circumferential direction of the bottle. ### Claim 4 (depends on 3) The decompression absorption bottle according to claim 3, wherein the radial recesses are located on a straight line which passes through an outer end portion in the radial direction of the bottle at the outer corner part and a bottle axis when viewed from below. ### Claim 5 (depends on 1) The decompression absorption bottle according to claim 1, wherein the inner end portion in the radial direction of the bottle at the inner corner part is provided at a portion of the movable wall part, the portion which is located on an outer side in the radial direction of the bottle than a central position in the radial direction of the bottle. ### Claim 6 (depends on 1) The decompression absorption bottle according to claim 1, wherein the movable wall part is provided with a first radial recess which is recessed upward and extends from the inner end portion in the radial direction of the bottle at the inner corner part in the radial direction of the bottle. ### Claim 7 (depends on 6) The decompression absorption bottle according to claim 6, wherein the first radial recess straddles the inner end portion in the radial direction of the bottle at the inner corner part in the radial direction of the bottle when viewed from below. ### Claim 8 (depends on 6) The decompression absorption bottle according to claim 6, wherein the movable wall part is formed in a curved surface shape that protrudes downward, and the inner corner part straddles the lowermost part located at the lowermost position of the movable wall part in the radial direction of the bottle. ### Claim 9 (depends on 6) The decompression absorption bottle according to claim 6, wherein the inner end portion in the radial direction of the bottle at the inner corner part is provided at a portion of the movable wall part, the portion is located on the outer side in the radial direction of the bottle than the central position in the radial direction of the bottle. ### Claim 10 (depends on 6) The decompression absorption bottle according to claim 6, wherein second radial recesses which are recessed upward and extend in the radial direction of the bottle are separately provided at portions in the movable wall part, the portions which are located on both sides that sandwich an inner end portion in the radial direction of the bottle at the inner corner part in the circumferential direction of the bottle. ### Claim 11 (depends on 10) The decompression absorption bottle according to claim 10, wherein the second radial recesses are located on a straight line which passes through an outer end portion in the radial direction of the bottle at the outer corner part and a bottle axis when viewed from below.