发明名称 |
BIODEGRADABLE CLEANING BALL |
摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a ball for cleaning a piping inner wall allowing the disappearance of its form with the passage of time even the ball is discharged to the natural world, and to improve lightness and work efficiency. <P>SOLUTION: The cleaning ball is for cleaning the inside of the piping, and is a fiber formed body maintaining a spherical shape and formed by thermobonding fibers via a binder component with a part or all of polylactic acid binder fibers melted or softened. It is favorable that the polylactic acid binder fiber is a core-sheath combination type fiber arranged with a poly DL lactic acid with a high melting point in a core and a poly DL lactic acid with a melting point lower than the poly DL lactic acid of a core in a sheath part. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
申请公布号 |
JP2009192209(A) |
申请公布日期 |
2009.08.27 |
申请号 |
JP20090005735 |
申请日期 |
2009.01.14 |
申请人 |
UNITIKA LTD;UNITICA FIBERS LTD |
发明人 |
OKAMOTO MASASHI;YAMADA FUTOSHI |
分类号 |
F28G1/12;B08B1/00;B08B9/02;C08L67/04;C08L101/16;D04H1/541;D04H1/55 |
主分类号 |
F28G1/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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