| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable a structure usable in a wide range capable of conveniently thread-fixing of opening ports of a large amount of wasted PET bottles and being connected and expanded to a desired size or length to be formed. <P>SOLUTION: Outer peripheral edges of threaded and fixed base plates made of a polyester resin raw material, and having an appropriate size and a flat shape, have some fitted and connected portions that can be connected and expanded to a desired size or length while being fitted and connected to each other, and the outer peripheral edges of the threaded and fixed base plates have some fitted and connected portions that can be connected and expanded to a desired size or length while being fitted and connected to each other, and the threaded and fixed portions capable of threading and fixing the openings of the wasted PET bottles to either one side surface or both side surfaces of the threaded and fixed base plates are formed at equal intervals on the whole surfaces. <P>COPYRIGHT: (C)2011,JPO&INPIT |
