| Prime minister boat which is become independent we clear up and to have the air chamber -> Monitor Keywords |
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Prime minister boat which is become independent we clear up and to have the air chamberRelated Patent Categories: Ships, Boats, Boat Component, Or Attachment, InflatablePrime minister boat which is become independent we clear up and to have the air chamber description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070169680, Prime minister boat which is become independent we clear up and to have the air chamber. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a boat having a plurality of independent air chambers and used as a leisure boat, a rescue boat of a boat in distress, a boat for war and the like, and more particularly to a boat capable of preventing danger caused by an unexpected puncture, in which a plurality of independent small tubes are united to make a porous tube body, and at least two porous tube bodies are connected so that air may be injected and exhausted at the same time but air is lost independently when a puncture is formed. [0003] 2. Description of the Related Art [0004] Generally, boats used for military service and rescue mostly have at least one cylindrical tube body, each having only a single air chamber. [0005] That is to say, a boat having one tube body has a single air chamber regardless of the presence of an inner coating. In addition, a boat having two to four cylindrical tube bodies connected right and left or front and rear also has two to four independent air chambers. For the present, most boats have such structure. [0006] If a puncture is formed in the conventional boat, a corresponding tube body entirely loses its function. Thus, though two to four tube bodies are connected in a boat, a puncture formed in a part of the tube bodies causes air loss corresponding to 1/4 to 1/2 of the whole air in the tube bodies, resulting in a significant buoyancy loss, so the boat is apt to be inclined in one side or turned over. [0007] Accordingly, when an air tube for a boat is manufactured, an expensive material with high strength is used or common materials are united in multiple plies as a cover so as to improve stability against a puncture. In some occasions, a strong steel wire is penetrated into the material. Such efforts for improving strength of the tube body are continued until now. [0008] However, considering the current technical level and costs, there is a limit in improving strength of the tube body. In addition, since boats are used more and more in a danger circumstance such as military drill, rescue activities and leisure activities, and since a boat bears the responsibility of lives of all occupants in case of distress, there is needed a more efficient and realistic alternative for stability against puncture or damage of a boat. SUMMARY OF THE INVENTION Technical Problem [0009] The present invention is designed to solve the problems of the conventional boats as mentioned above, and therefore it is an object of the present invention to provide a boat with a plurality of air chambers, which is devised with an aim that a plurality of independent small tubes are included in one cylindrical cover, and such porous tube bodies are connected front and rear or right and left in plural to give more independent air chambers, so that, though a puncture is formed in one small tube, a boat may keep its balance only with the air (or, buoyancy) of the other small tubes. TECHNICAL SOLUTION [0010] In order to accomplish the above object, the present invention provides a boat with a plurality of air chambers, wherein at least two independent small tubes are included in one cover to form a porous tube body with a plurality of independent air chambers so that air is injected into and exhausted from the independent small tubes at the same time but air is independently lost from the independent small tubes when a puncture is formed therein, and wherein the boat is provided with a plurality of such porous tube bodies so as to be connected with each other in series in a front and rear direction or in parallel in a right and left direction by means of a connection pipe having an air input/output control unit. ADVANTAGEOUS EFFECTS [0011] The boat of the present invention has a plurality of independent air chambers by connecting porous tube bodies, each having a plurality of independent small air tubes, thereby giving absolute safety against puncture or external damage. In addition, since air may injected in or exhausted out of a plurality of air chambers, a boat may be constructed and dissembled within a short time. Moreover, the air chambers may be repaired individually, and also the boat of the present invention has a competitive force in terms of production costs in comparison to function and safety. BRIEF DESCRIPTION OF THE DRAWINGS [0012] Other objects and aspects of the present invention will become apparent from the following description of embodiments with reference to the accompanying drawing in which: [0013] FIG. 1 is a sectional view showing an example of a conventional tube body; [0014] FIG. 2 is a sectional view showing a porous tube body according to the present invention; [0015] FIG. 3 shows air chambers according to one embodiment of the present invention; [0016] FIG. 4 is a sectional view showing a connection pipe and porous tube bodies connected to both sides of the connection pipe according to the present invention; [0017] FIG. 5 shows an air input/output control unit installed in the connection pipe according to the present invention; [0018] FIG. 6 is a sectional view showing a finishing structure for effectively finishing one end of a small tube body according to the present invention; Continue reading about Prime minister boat which is become independent we clear up and to have the air chamber... 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