LIQUID CONTAINER

• Main Authors: SUZUKI TAKANORI, TAKEUCHI TOSHIHIRO
• Format: Patent
• Language: English; Japanese
• Published: 07.10.2021
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING

To provide a liquid container which can easily discharge content liquid even in a state that a residual amount of the content liquid is reduced.SOLUTION: A liquid container 1 comprises: a container main body 10 made of polyester resin which comprises an outer layer body 11 comprising a mouth part 11a and a trunk part 11b, an inner layer body 12 which is freely deformed in a volume reduction fashion inside the outer layer body 11, and an outside air introduction port 14 for introducing outside air between the outer layer body 11 and the inner layer body 12; a discharge port 21b; and a check valve 24 for opening and closing the discharge port 21b. The liquid container 1 has: a discharge cap 20 installed in the mouth part 11a; and content fluid 30 housed in the container main body 10. A head space HS in which gas is housed is prepared inside the inner layer body 12. A volume of the head space HS is within the range of 12-20% of an inner volume of the inner layer body 12.SELECTED DRAWING: Figure 1 【課題】内容液の残量が減少した状態においても内容液を容易に吐出することが可能な液体入り容器を提供する。【解決手段】口部１１ａと胴部１１ｂとを備えた外層体１１と、外層体１１の内側に減容変形自在に設けられた内層体１２と、外層体１１と内層体１２との間に外気を導入するための外気導入口１４とを備えたポリエステル樹脂製の容器本体１０と、吐出口２１ｂと、吐出口２１ｂを開閉する逆止弁２４とを備え、口部１１ａに装着された吐出キャップ２０と、容器本体１０に収納された内容液３０と、を有する液体入り容器１であって、内層体１２の内部に気体が収納されたヘッドスペースＨＳが設けられ、ヘッドスペースＨＳの容積が、内層体１２の内容積の、１２〜２０％の範囲内であることを特徴とする液体入り容器１。【選択図】図１