Title:
PAPER LID, MANUFACTURING METHOD FOR PAPER LID
Document Type and Number:
Japanese Patent JP2023144534
Kind Code:
A
Abstract:
To provide a paper lid capable of sealing a container while suppressing occurrence of a wrinkle, and a manufacturing method for the paper lid.SOLUTION: A paper lid 1 is made of a sheet of a base material including a paper base layer and a sealing layer on the innermost surface side, seals a container 40 and, includes: a bottom part 11, an inner peripheral wall part 14 that is provided on an outer peripheral side of the bottom part 11 and slopes toward an outer surface side; a seal part 15 provided in a planar shape on the outer peripheral side of the inner peripheral wall part 14; and an outer peripheral wall part 16 that is provided on the outer peripheral side of the seal part 15 and slopes toward an inner surface side, the surfaces of the bottom part 11, the inner peripheral wall part 14, the seal part 15, and the outer peripheral wall part 16 are all made of flat base material sheets.SELECTED DRAWING: Figure 1
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Inventors:
MARUO RYOSUKE
KAMEDA KATSUMI
KAMEDA KATSUMI
Application Number:
JP2022051551A
Publication Date:
October 11, 2023
Filing Date:
March 28, 2022
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
B65D77/20; B31D5/02; B65D21/02
Attorney, Agent or Firm:
Masayuki Shobayashi
Tetsuo Shiba
Kazuyoshi Hayashi
Tetsuo Shiba
Kazuyoshi Hayashi