薬剤取り替え時期表示具
- 专利权人:
- 大日本除蟲菊株式会社
- 发明人:
- 鹿島誠一,岩本友美,川尻由美,中山幸治
- 申请号：
- JP2009207674
- 公开号：
- JP5498744B2
- 申请日:
- 2009.09.09
- 申请国别(地区):
- JP
- 年份:
- 2014
- 代理人:
- 摘要：
PROBLEM TO BE SOLVED: To provide a chemical replacement time indicating tool which is hardly affected by wind or the like in an outdoor use and is applicable to various types of available periods by only changing a chemical adding amount contained in a chemical holding member.
SOLUTION: A chemical replacement time indicating tool of a chemical volatilization body is provided where a chemical holding member to a base material with a concealment layer on the surface of which the paraffin solvent is added is put into a plastic container, and the top surface of the container is covered with a chemical permeable film having a 70-250 &mum thickness. Preferably, the paraffin solvent is isoparaffin, and the vapor pressure of a main fraction at 20°C is 1×10
-4 to 1×10-1 mmHg.COPYRIGHT: (C)2011,JPO&INPIT
- 来源网站：
- 中国工程科技知识中心
