| 摘要 |
ACCORDING TO THE PRESENT INVENTION, THERE IS PROVIDED IMPROVEMENTS TO A CLOSURE MEMBER (10) USED TO COVER ACCESS APERTURE OF HOLLOW COLUMNS, PARTICULARLY LAMP POST OR THE LIKE STRUCTURE, IN WHICH THE CLOSURE (10) IS IN THE FORM OF A PLATE HAVING DIMENSIONS OF THE SAME SIZE OF THE APERTURE, WHEREIN SAID CLOSURE MEMBER (10) IS CONFIGURED TO HAVE A THIN SURFACE COVERED WITH MOLTEN RUBBER THAT IS LEFT TO SET AND WHEREBY UPON SETTING A LAYER OF RIGID RUBBER IS CREATED BY COVERING THE ENTIRE CLOSURE MEMBER (1 0).
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