Title:
PAPER CUP COMPATIBLE WITH MICROWAVE
Document Type and Number:
Japanese Patent JP2022148995
Kind Code:
A
Abstract:
To provide a paper cup which is hardly burned when used in a microwave and can self-stand stably.SOLUTION: A paper cup compatible with microwave comprises a shank 11 in a truncated cone shape and a bottom part 12 closing a lower end of the shank 11. The lower end of the shank 11 is bent to the inside and an annular bent part 20 is put on an outer surface of the bottom part 12. A plurality of concave parts 22 and convex parts 21 are alternately formed on an outer surface of the annular bent part 20. The annular bent part 20 and the outer surface of the bottom part 12 are in a close contact at the concave part 22. On the other hand, a gap 25 is formed between the annular bent part 20 and the outer surface of the bottom part 12 at the convex part 21.SELECTED DRAWING: Figure 6
Inventors:
KATAOKA TAKAYO
TOMIOKA TATSUYA
HASEBE YUTAKA
YOSHINAKA TSUTOMU
TOMIOKA TATSUYA
HASEBE YUTAKA
YOSHINAKA TSUTOMU
Application Number:
JP2021050904A
Publication Date:
October 06, 2022
Filing Date:
March 25, 2021
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
B65D3/12; A47J27/00; B65D3/06; B65D81/34; F24C7/02
Attorney, Agent or Firm:
Tokyo uit international patent corporation
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