09-03-2017 дата публикации
Номер: WO2017039319A1
Принадлежит:
The present invention relates to a learning tool having a straight flexible tube. The present invention provides a learning tool having a straight flexible tube, comprising: a straight tool connecting member (100) comprising a wrinkled tube (110), which is fabricated according to a predetermined specification in the shape of a circular pipe using a polypropylene (PP) material, and which has multiple winkles formed thereon to have a flexible function such that the same can bend freely in a 360° angular direction, and a pair of fastening tubes (120), which are connected to and integrated with both ends of the wrinkled tube, respectively, and to which a connecting member is fastened such that, when a learning tool is fabricated, the overall shape of the tool is formed; and a connecting member (200) comprising a pair of conical connectors (210) for connecting the straight tool connecting member (100) as a whole, the pair of conical connectors (210) being made of one selected from elastic rubber ...
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