Title:
MULTILAYERED CONTAINER, DIE FOR MULTILAYERED CONTAINER, AND METHOD FOR PRODUCING MULTILAYERED CONTAINER
Document Type and Number:
WIPO Patent Application WO/2011/132622
Kind Code:
A1
Abstract:
Disclosed is a multilayered container that has excellent gas-barrier properties and resistance to inter-layer delamination and that can be produced even without using a molding method of which the steps are cumbersome or specialized devices of the sort that raise production costs. Specifically, disclosed is a multilayered container—which has a layered structure comprising at least three layers, and having at least a gas-barrier layer between an innermost layer and an outermost layer—wherein, at the portion comprising the aforementioned layered structure, the aforementioned gas-barrier layer has a portion having a thickness that is 0.01 to 0.9 times the maximum thickness of said gas-barrier layer. Further disclosed are: a die suited for producing said multilayered container; and a method for producing the multilayered container using said die.
Inventors:
MITADERA, Jun (Inc. Hiratsuka Research Laboratory, 6-2, Higashiyawata 5-chome, Hiratsuka-sh, Kanagawa 16, 〒2540016, JP)
Application Number:
JP2011/059443
Publication Date:
October 27, 2011
Filing Date:
April 15, 2011
Export Citation:
Assignee:
MITSUBISHI GAS CHEMICAL COMPANY, INC. (5-2 Marunouchi 2-chome, Chiyoda-ku Tokyo, 24, 〒1008324, JP)
三菱瓦斯化学株式会社 (〒24 東京都千代田区丸の内二丁目５番２号 Tokyo, 〒1008324, JP)
三菱瓦斯化学株式会社 (〒24 東京都千代田区丸の内二丁目５番２号 Tokyo, 〒1008324, JP)
International Classes:
B29C45/16; B29C45/20; B29C45/30; B65D1/00; B65D1/02; B29K23/00; B29K25/00; B29K27/06; B29K55/02; B29K67/00; B29K69/00; B29K77/00; B29L9/00
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (OHTANI PATENT OFFICE, Bridgestone Toranomon Bldg. 6F. 25-2, Toranomon 3-chome, Minato-k, Tokyo 01, 〒1050001, JP)
Claims: