Title:
DEEP-DRAWING PACKAGING CONTAINER, DEEP-DRAWING PACKAGE, AND METHOD FOR PRODUCTION OF THE PACKAGING CONTAINER OR THE PACKAGE
Document Type and Number:
WIPO Patent Application WO/2008/038776
Kind Code:
A1
Abstract:
Disclosed is a deep-drawing packaging container comprising a lid member comprising a first thermally shrinkable multilayered film and a bottom member comprising a second thermally shrinkable multilayered film. The packaging container is deep-drawing-molded so that the drawing ratio in the lid member (D1) and that in the bottom member (D2) satisfy the following requirements: D1 = 1.1 to 4.0, D2 = 1.5 to 5.0, and (D2/D1) = 1.05 to 4.55. In the packaging container, the boiling water shrinkage ratio in a vertical direction (SM1) and that in a lateral direction (ST1) of the first thermally shrinkable multilayered film and the boiling water shrinkage ratio in a vertical direction (SM2) and that in a lateral direction (ST2) of the second thermally shrinkable multilayered film satisfy the following requirements: SM1 = 5 to 40%, ST1 = 5 to 40%, SM2 = 2 to 25%, ST2 = 2 to 25%, (SM1/SM2) = 1.2 to 12, and (ST1/ST2) = 1.2 to 12 [wherein the boiling water shrinkage ratio refers to a shrinkage ratio (%) as determined after immersing an undrawn thermally shrinkable multilayered film in boiling water of 90ºC for 10 seconds.]
Inventors:
ISHII, Hitoshi (Kureha Corporation 18-13, Kamitamari, Omitama-sh, Ibaraki 36, 3113436, JP)
石井 仁 (〒36 茨城県小美玉市上玉里１８‐１３ 株式会社クレハ 加工商品研究所内 Ibaraki, 3113436, JP)
石井 仁 (〒36 茨城県小美玉市上玉里１８‐１３ 株式会社クレハ 加工商品研究所内 Ibaraki, 3113436, JP)
Application Number:
JP2007/068996
Publication Date:
April 03, 2008
Filing Date:
September 28, 2007
Export Citation:
Assignee:
KUREHA CORPORATION (3-3-2, Nihonbashi-Hamacho Chuo-ku Tokyo, 52, 1038552, JP)
株式会社クレハ (〒52 東京都中央区日本橋浜町三丁目３番２号 Tokyo, 1038552, JP)
ISHII, Hitoshi (Kureha Corporation 18-13, Kamitamari, Omitama-sh, Ibaraki 36, 3113436, JP)
株式会社クレハ (〒52 東京都中央区日本橋浜町三丁目３番２号 Tokyo, 1038552, JP)
ISHII, Hitoshi (Kureha Corporation 18-13, Kamitamari, Omitama-sh, Ibaraki 36, 3113436, JP)
International Classes:
B65D1/22; B65D1/00; B65D77/00
Attorney, Agent or Firm:
NAGAHAMA, Noriaki (Nagahama International Patent Firm, Muraki Bldg. 8th Floor 2-10-10, Yaes, Chuo-ku Tokyo 28, 1040028, JP)
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