DOUBLE CONTAINER

• Main Author: SASAKI MASAAKI
• Format: Patent
• Language: English; Japanese
• Published: 13.08.2020
• 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 double container which makes it easy to secure an airway from an outside air inlet to a trunk.SOLUTION: A double container 1 has an outer layer body 2 and an inner layer body 3 mainly composed of a polyester resin and is formed by biaxial stretch blow molding, and has a mouth part 4, a curved shoulder part 5 that is continuous with a lower end of the mouth part 4, gradually expands in diameter downward, and is convex outward in a vertical direction in a vertical cross section, a trunk 6 connected to the lower end of the shoulder part 5, and a bottom part 7 that closes the lower end of the trunk 6, the mouth part 4 has an outside air introduction port 13 for introducing outside air between the outer layer body 2 and the inner layer body 3, and a shoulder rib 8 which is concave or convex when viewed from the outside and extends at least from an upper end of the shoulder part 5 to the lower end of the shoulder part 5.SELECTED DRAWING: Figure 1 【課題】外気導入口から胴部までの気道を確保し易い二重容器を提供する。【解決手段】二重容器１は、外層体２とポリエステル系樹脂を主材とする内層体３とを有するとともに２軸延伸ブロー成形によって形成され、口部４と、口部４の下端に連なり、下方に向けて漸次拡径するとともに縦断面において上下方向に亘って外側に凸となる湾曲形状の肩部５と、肩部５の下端に連なる胴部６と、胴部６の下端を閉塞する底部７とを有し、口部４は、外気を外層体２と内層体３との間に導入する外気導入口１３を有し、外側から視て凹状又は凸状をなすとともに少なくとも肩部５の上端から肩部５の下端まで延在する肩リブ８を有する。【選択図】図１