The present invention provides a means of easily attaching and detaching a member that reinforces an envelope of a balloon to and from the envelope. Balloon 1 according to an embodiment of the present invention comprises Inner Member 121 and Outer Member 123. Each of Inner Member 121 and Outer Member 123 is a disk-shaped member made of a plastic, a light metal, or other lightweight material. Inner Member 121 and Outer Member 123 are attached to Envelope 11 by tightening Bolts 125 and Nuts 126, with Envelope 11 therebetween. A donut-shaped Rubber Seal 122 is located on the surface of Inner Member 121 in contact with Envelope 11, and a donut-shaped Rubber Seal 124 is located on the surface of Outer Member 123 in contact with Envelope 11. Rubber Seal 122 and Rubber Seal 124 are pressed tightly against Envelope 11 as Bolts 125 and Nuts 126 are tightened, and Holes H2 provided in Envelope 11 to accommodate Bolts 125 are sealed.


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    Title :

    Balloon


    Contributors:

    Publication date :

    2022-07-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64B LIGHTER-THAN-AIR AIRCRAFT , Luftfahrzeuge leichter als Luft / F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile



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