Patent ID: 8726590
Filing Date: 2014-05-20
Classification: B62D,Y10T

Abstract:
1. An apparatus for filling inner space in a hollow structure, the apparatus being disposable inside the hollow structure adjacent to a through hole connecting to the inner space, the apparatus comprising: a base which is located inside the hollow structure, and wherein the base has a flow and a thermal expansion when heated, and forms a foam; a moveable body pivotal in relation to the base and disposed over the base so as to be disposed at a peripheral portion of an opening of the base and operative to follow the flow and the thermal expansion of the base and mitigate the base from entering the through hole of the hollow structure by pivoting to close at least part of the through hole of the hollow structure as a result of the following of the flow and the thermal expansion of the base; a support interposed between the base and the hollow structure; and a side wall that connects the support with the movable body and located against an inner surface of the opening of the base; wherein the moveable body, the support and the side wall are formed as a unitary sheet material so as to be integrated with one another, and the moveable body and the support hold the peripheral portion of the opening of the base in between.