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Patent Searching and Data


Title:
CHECK VALVE, PRODUCTION METHOD THEREOF, AND CONTAINER PROVIDED WITH CHECK VALVE
Document Type and Number:
WIPO Patent Application WO/2012/011558
Kind Code:
A1
Abstract:
Provided is a check valve capable of sufficiently suppressing the mixing of air in a container even if an impact is applied to the container, and capable of stably maintaining a superior discharging property of the content. A check valve (10) is integrally formed from a rubber material, and is provided with a cylindrical main body (1) having openings (1a, 1b) at opposite ends, a lid (3) arranged to close one opening (1a) of the main body (1), and a hinge (5) connecting the main body (1) and the lid (3), wherein the lid (3) comprises a projection (3a) on its side face (3b) so that the projection abuts the peripheral portion of the opening (1a) of the main body (1).

Inventors:
KUWAGAKI, Denmi (250 Noda Noda-sh, Chiba 01, 〒2788601, JP)
桑垣 傳美 (〒01 千葉県野田市野田250番地 キッコーマン食品株式会社内 Chiba, 〒2788601, JP)
SUGAWA, Michio (2102 Hiratsuka Ageo-sh, Saitama 05, 〒3628505, JP)
須川 道男 (〒05 埼玉県上尾市平塚2102番地 旭化成パックス株式会社内 Saitama, 〒3628505, JP)
HAGIMOTO, Hitoshi (2102 Hiratsuka Ageo-sh, Saitama 05, 〒3628505, JP)
Application Number:
JP2011/066678
Publication Date:
January 26, 2012
Filing Date:
July 22, 2011
Export Citation:
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Assignee:
Kikkoman Corporation (250 Noda, Noda-shi Chiba, 01, 〒2788601, JP)
キッコーマン株式会社 (〒01 千葉県野田市野田250番地 Chiba, 〒2788601, JP)
ASAHI KASEI PAX CORPORATION (1-19-1, Kanda nishiki-cho Chiyoda-k, Tokyo 54, 〒1010054, JP)
旭化成パックス株式会社 (〒54 東京都千代田区神田錦町1丁目19番1号 Tokyo, 〒1010054, JP)
MIKASA INDUSTRY CO., LTD. (53 Oaza Terado, Koryo-cho Kitakatsuragi-gu, Nara 17, 〒6350817, JP)
三笠産業株式会社 (〒17 奈良県北葛城郡広陵町大字寺戸53番地 Nara, 〒6350817, JP)
KUWAGAKI, Denmi (250 Noda Noda-sh, Chiba 01, 〒2788601, JP)
桑垣 傳美 (〒01 千葉県野田市野田250番地 キッコーマン食品株式会社内 Chiba, 〒2788601, JP)
International Classes:
B65D43/16; B65D1/00; B65D1/02; B65D25/42; B65D25/46; B65D33/36; B65D83/00
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (TMI ASSOCIATES, 23rd Floor Roppongi Hills Mori Tower, 6-10-1, Roppongi, Minato-k, Tokyo 23, 〒1066123, JP)
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Claims: