RETORT CUP - TOPPAN PRINTING CO., LTD.

Title:

RETORT CUP

Document Type and Number:

WIPO Patent Application WO/2010/150500

Kind Code:

A1

Abstract:

A retort cup is provided with a cylindrical barrel portion formed of a barrel portion forming blank having a paper layer and thermoplastic resin layers provided on both surfaces of the paper layer; and a bottom portion which seals one of the openings of the barrel portion. The bottom portion has a downwardly bent peripheral edge portion. The barrel portion has an attached barrel overlap portion where both end edges of the barrel portion forming blank are overlapped with each other and sealed, a lower fold-back portion which is formed at a lower end of the barrel portion by folding the barrel portion forming blank inwardly, and an upper fold-back portion which is formed by folding the ends of the folded barrel portion forming blank inwardly. The lower end of the barrel portion, the upper fold-back portion, and the peripheral edge portion of the bottom portion are tightly sealed together, with the peripheral edge portion of the bottom being inserted into the lower fold-back portion.

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Inventors:

IYORI, Teruaki (5-1, Taito 1-chome, Taito-k, Tokyo 60, 〒1108560, JP)
伊従晃章 (〒60 東京都台東区台東１丁目５番１号　凸版印刷株式会社内 Tokyo, 〒1108560, JP)
KOTANI, Naomi (5-1, Taito 1-chome, Taito-k, Tokyo 60, 〒1108560, JP)

Application Number:

JP2010/004091

Publication Date:

December 29, 2010

Filing Date:

June 18, 2010

Export Citation:

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Assignee:

TOPPAN PRINTING CO., LTD. (5-1 Taito 1-chome, Taito-ku Tokyo, 60, 〒1108560, JP)
凸版印刷株式会社 (〒60 東京都台東区台東１丁目５番１号 Tokyo, 〒1108560, JP)
IYORI, Teruaki (5-1, Taito 1-chome, Taito-k, Tokyo 60, 〒1108560, JP)
伊従晃章 (〒60 東京都台東区台東１丁目５番１号　凸版印刷株式会社内 Tokyo, 〒1108560, JP)

International Classes:

B65D3/14; B65D3/22; B65D3/28

Attorney, Agent or Firm:

SUZUKI, Shirou et al. (1-9-2, Marunouchi Chiyoda-ku, Tokyo 20, 〒1006620, JP)

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