公开(公告)号：US12151845B2

公开(公告)日：2024-11-26

申请号：US18384644

申请日：2023-10-27

Applicant: YOSHINO KOGYOSHO CO., LTD.

Inventor： Takanori Suzuki ,  Osamu Jono

IPC: B65D1/02 ,  B29B11/04 ,  B29C49/02 ,  B29C49/08 ,  B29C49/22 ,  B65D79/00 ,  B29K67/00 ,  B29L31/00

Abstract: A preform assembly includes: an outer preform that includes an outer mouth portion and a stretch portion connected to the outer mouth portion and in which a recess extending in a vertical direction is provided on an inner surface of the stretch portion; and an inner preform that includes an inner mouth portion and a stretch portion connected to the inner mouth portion, wherein an outside air introduction port communicating with a part between the outer preform and the inner preform is provided in a mouth portion composed of the outer mouth portion and the inner mouth portion located on an inner side of the outer mouth portion.

公开(公告)号：US11851235B2

公开(公告)日：2023-12-26

申请号：US17598431

申请日：2020-03-05

Applicant: YOSHINO KOGYOSHO CO., LTD.

Inventor： Takanori Suzuki ,  Osamu Jono

IPC: B65D1/02 ,  B65D79/00 ,  B29B11/04 ,  B29C49/08 ,  B29C49/22 ,  B29C49/02 ,  B29K67/00 ,  B29L31/00

CPC classification number: B65D1/0246 ,  B29B11/04 ,  B29C49/0208 ,  B29C49/085 ,  B29C49/22 ,  B65D1/0276 ,  B65D79/0084 ,  B29C2949/0744 ,  B29C2949/3026 ,  B29K2067/003 ,  B29L2031/7158 ,  B65D2501/0027

Abstract: A preform assembly includes: an outer preform that includes an outer mouth portion and a stretch portion connected to the outer mouth portion and in which a recess extending in a vertical direction is provided on an inner surface of the stretch portion; and an inner preform that includes an inner mouth portion and a stretch portion connected to the inner mouth portion, wherein an outside air introduction port communicating with a part between the outer preform and the inner preform is provided in a mouth portion composed of the outer mouth portion and the inner mouth portion located on an inner side of the outer mouth portion.