Tumbler type training column

The invention discloses a tumbler type training column. The training column comprises a base tray, an iron sand layer, a stone layer, an EVA sponge layer, a PPR pipe, a first EPE sponge layer, a second EPE sponge layer, a polyurethane foaming sponge layer and an external PVC leather protection layer...

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Bibliographic Details
Main Author SUN YUNHAI
Format Patent
LanguageChinese
English
Published 19.10.2021
Subjects
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Summary:The invention discloses a tumbler type training column. The training column comprises a base tray, an iron sand layer, a stone layer, an EVA sponge layer, a PPR pipe, a first EPE sponge layer, a second EPE sponge layer, a polyurethane foaming sponge layer and an external PVC leather protection layer; and he base tray is in a round-bottom iron pan shape, the iron sand layer is arranged at the bottom of the inner side of the base tray, the stone layer is arranged above the iron sand layer, the EVA sponge layer is arranged above the stone layer, the first EPE sponge layer, the second EPE sponge layer and the polyurethane foaming sponge layer are located above the EVA sponge layer and sequentially wrap the EVA sponge layer from inside to outside, one end of the PPR pipe is located on the upper middle portion of the first EPE sponge layer, and the other end of the PPR pipe extends out of the lower end of the first EPE sponge layer, penetrates through the EVA sponge layer and then makes contact with the stone layer
Bibliography:Application Number: CN202110844193