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Title:
ALUMINA HONEYCOMB STRUCTURE, METHOD FOR MANUFACTURE OF THE SAME, AND HEAT-STORING HONEYCOMB STRUCTURE USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2002/026655
Kind Code:
A1
Abstract:
A first alumina honeycomb structure, characterized in that it has an impurity content of 2 wt % or less and contains alumina as a primary component; and a second alumina honeycomb structure, characterized in that it contains alumina as a primary component in an amount of 98 wt % or more, the Na-containing compounds in an amount of 0.02 wt% to 1.0 wt % in terms of Na¿2?O, the balance of the structure being impurities.

Inventors:
Kasai, Yoshiyuki c/o Ngk, Insulators (LTD. 2-56 Suda-ch, Mizuho-ku Nagoya-shi Aichi, 467-8530, JP)
Harada, Takashi c/o Ngk, Insulators (LTD. 2-56 Suda-ch, Mizuho-ku Nagoya-shi Aichi, 467-8530, JP)
Umehara, Kazuhiko c/o Ngk, Insulators (LTD. 2-56 Suda-ch, Mizuho-ku Nagoya-shi Aichi, 467-8530, JP)
Mori, Isao c/o NKK Corporation 1-2 (Marunouchi 1-chome Chiyoda-ku, Tokyo, 100-8202, JP)
Nagoshi, Masayasu c/o NKK CORPORATION 1-2 (Marunouchi 1-chome Chiyoda-ku, Tokyo, 100-8202, JP)
Tada, Takeshi c/o Nippon, Furnace Kogyo Kaisha (LTD. 1-53 Shitte 2-chom, Tsurumi-ku Yokohama-shi Kanagawa, 230-8666, JP)
Application Number:
PCT/JP2001/007910
Publication Date:
April 04, 2002
Filing Date:
September 12, 2001
Export Citation:
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Assignee:
NGK INSULATORS, LTD. (2-56, Suda-cho Mizuho-ku Nagoya-shi, Aichi, 467-8530, JP)
NKK CORPORATION (1-2 Marunouchi 1-chome Chiyoda-ku, Tokyo, Tokyo, 100-8202, JP)
NIPPON FURNACE KOGYO KAISHA, LTD. (1-53, Shitte 2-chome Tsurumi-ku Yokohama-shi, Kanagawa, 230-8666, JP)
Kasai, Yoshiyuki c/o Ngk, Insulators (LTD. 2-56 Suda-ch, Mizuho-ku Nagoya-shi Aichi, 467-8530, JP)
Harada, Takashi c/o Ngk, Insulators (LTD. 2-56 Suda-ch, Mizuho-ku Nagoya-shi Aichi, 467-8530, JP)
Umehara, Kazuhiko c/o Ngk, Insulators (LTD. 2-56 Suda-ch, Mizuho-ku Nagoya-shi Aichi, 467-8530, JP)
Mori, Isao c/o NKK Corporation 1-2 (Marunouchi 1-chome Chiyoda-ku, Tokyo, 100-8202, JP)
Nagoshi, Masayasu c/o NKK CORPORATION 1-2 (Marunouchi 1-chome Chiyoda-ku, Tokyo, 100-8202, JP)
Tada, Takeshi c/o Nippon, Furnace Kogyo Kaisha (LTD. 1-53 Shitte 2-chom, Tsurumi-ku Yokohama-shi Kanagawa, 230-8666, JP)
International Classes:
C04B35/10; C04B35/111; C04B38/00; F23L15/02; F27D1/00; F27D17/00; F28D20/00; F28F21/04; (IPC1-7): C04B35/10; F23L15/02; F28D17/02; F28D20/00
Attorney, Agent or Firm:
Sugimura, Kosaku (Kazan Building, 2-4 Kasumigaseki 3-chome Chiyoda-ku, Tokyo, 100-0013, JP)
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