Inner bladder structure of punching bag
The present invention relates to an inner bladder structure of punching bag which comprises one inner bladder; the said inner bladder further comprises at least one gas container and at least one liquid container. Utilizing liquid, gas and solidifying substances, the said inner bladder structure cre...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The present invention relates to an inner bladder structure of punching bag which comprises one inner bladder; the said inner bladder further comprises at least one gas container and at least one liquid container. Utilizing liquid, gas and solidifying substances, the said inner bladder structure creates different tactile feels to diversify the effect of training. |
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