FIBER-REINFORCED PLASTIC MOLDING, PRODUCTION METHOD THEREFOR, AND ELEVATOR

Title:

FIBER-REINFORCED PLASTIC MOLDING, PRODUCTION METHOD THEREFOR, AND ELEVATOR

Document Type and Number:

WIPO Patent Application WO/2011/122179

Kind Code:

A1

Abstract:

Disclosed is a fiber-reinforced plastic molding that is thin with high rigidity and has excellent sound absorbency and sound insulation. The fiber-reinforced plastic molding (1) is equipped with an open-cell foam material (2) that absorbs sound waves, a hard closed-cell foam material (3) covering the surfaces of the open-cell foam material (2), and a fiber-reinforced plastic (4) that reflects sound waves and is disposed on both sides of the hard closed-cell foam material (3), wherein the open-cell foam material (2) is exposed to the outside through openings (5) formed in the hard closed-cell foam material (3) and the fiber-reinforced plastic (4), and sound waves that enter through the openings (5) are absorbed by the open-cell foam material (2).

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Inventors:

SAMEJIMA, Sohei (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
鮫島　壮平 (〒10 東京都千代田区丸の内二丁目７番３号　三菱電機株式会社内 Tokyo, 〒1008310, JP)
TAKEYA, Hajime (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
竹谷　元 (〒10 東京都千代田区丸の内二丁目７番３号　三菱電機株式会社内 Tokyo, 〒1008310, JP)
MATSUMOTO, Michihito (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
松本　迪斉 (〒10 東京都千代田区丸の内二丁目７番３号　三菱電機株式会社内 Tokyo, 〒1008310, JP)
KUBO, Kazuki (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)

Application Number:

JP2011/053984

Publication Date:

October 06, 2011

Filing Date:

February 23, 2011

Export Citation:

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Assignee:

MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
三菱電機株式会社 (〒10 東京都千代田区丸の内二丁目７番３号 Tokyo, 〒1008310, JP)
SAMEJIMA, Sohei (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
鮫島　壮平 (〒10 東京都千代田区丸の内二丁目７番３号　三菱電機株式会社内 Tokyo, 〒1008310, JP)
TAKEYA, Hajime (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
竹谷　元 (〒10 東京都千代田区丸の内二丁目７番３号　三菱電機株式会社内 Tokyo, 〒1008310, JP)
MATSUMOTO, Michihito (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
松本　迪斉 (〒10 東京都千代田区丸の内二丁目７番３号　三菱電機株式会社内 Tokyo, 〒1008310, JP)

International Classes:

B32B5/28; B66B11/02; E04B1/82

Attorney, Agent or Firm:

SOGA, Michiharu et al. (S. Soga & Co, 8th Floor Kokusai Building, 1-1, Marunouchi 3-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)

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