Title:
PACKAGING BAG AND PRODUCTION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2011/034038
Kind Code:
A1
Abstract:
A packaging bag (11) comprises a cylindrical mesh (5) and a pair of bands (6), wherein the cylindrical mesh (5) is woven using uniaxially-stretched tapes as warps and wefts, intersections of the warps and wefts are thermally adhered, the uniaxially-stretched tape is composed of at least three thermoplastic layers, the melting point of the thermoplastic resin constituting the inner layer is lower than the melting point of the thermoplastic resin constituting the outer layer, the bands (6) are made of a thermoplastic resin, the cylindrical mesh (5) is arranged between the pair of bands (6), surfaces of the cylindrical mesh (5) and the pair of bands (6) are thermally adhered, and the cylindrical mesh (5) and the pair of bands (6) are thermally adhered and closed at the bottom (7) of the packaging bag (11). Thereby, provided is a packaging bag which has favorable air permeability, can prevent damage to agricultural crops, etc., such as vegetables, fruits, and bulbs when such agricultural crops, etc., are filled in the bag, has a low weight, and is superior in strength and a shape retention property, and also provided is a production method of the packaging bag.
Inventors:
KUNISADA, Yoshitaka (1-4 Nakadori, Mizushima, Kurashiki-sh, Okayama 02, 〒7128502, JP)
國定 佳孝 (〒02 岡山県倉敷市水島中通１丁目４番地 萩原工業株式会社内 Okayama, 〒7128502, JP)
TANAKA, Toshikazu (1-4 Nakadori, Mizushima, Kurashiki-sh, Okayama 02, 〒7128502, JP)
田中 稔一 (〒02 岡山県倉敷市水島中通１丁目４番地 萩原工業株式会社内 Okayama, 〒7128502, JP)
國定 佳孝 (〒02 岡山県倉敷市水島中通１丁目４番地 萩原工業株式会社内 Okayama, 〒7128502, JP)
TANAKA, Toshikazu (1-4 Nakadori, Mizushima, Kurashiki-sh, Okayama 02, 〒7128502, JP)
田中 稔一 (〒02 岡山県倉敷市水島中通１丁目４番地 萩原工業株式会社内 Okayama, 〒7128502, JP)
Application Number:
JP2010/065784
Publication Date:
March 24, 2011
Filing Date:
September 14, 2010
Export Citation:
Assignee:
HAGIHARA INDUSTRIES INC. (1-4 Nakadori, Mizushima Kurashiki-sh, Okayama 02, 〒7128502, JP)
萩原工業株式会社 (〒02 岡山県倉敷市水島中通１丁目４番地 Okayama, 〒7128502, JP)
KUNISADA, Yoshitaka (1-4 Nakadori, Mizushima, Kurashiki-sh, Okayama 02, 〒7128502, JP)
國定 佳孝 (〒02 岡山県倉敷市水島中通１丁目４番地 萩原工業株式会社内 Okayama, 〒7128502, JP)
TANAKA, Toshikazu (1-4 Nakadori, Mizushima, Kurashiki-sh, Okayama 02, 〒7128502, JP)
萩原工業株式会社 (〒02 岡山県倉敷市水島中通１丁目４番地 Okayama, 〒7128502, JP)
KUNISADA, Yoshitaka (1-4 Nakadori, Mizushima, Kurashiki-sh, Okayama 02, 〒7128502, JP)
國定 佳孝 (〒02 岡山県倉敷市水島中通１丁目４番地 萩原工業株式会社内 Okayama, 〒7128502, JP)
TANAKA, Toshikazu (1-4 Nakadori, Mizushima, Kurashiki-sh, Okayama 02, 〒7128502, JP)
International Classes:
B65D30/06; B65D33/02
Attorney, Agent or Firm:
NAKATSUKASA, Shigeki (Growth-2 Building, 4-9-1 Ima,Kita-ku, Okayama-shi, Okayama 75, 〒7000975, JP)
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