Original document(18 pages) Authorized document(18 pages) 中文版
    The invention provides a pipe to be used for an exhaust air flow-back type vacuum cleaner, which is lightweight and can be manufactured at a low cost, and its manufacturing method. The pipe 1 to be used for the exhaust air flow-back type vacuum cleaner which allows exhaust air from a vacuum cleaner body to flow back to a suction tool consists of an outer pipe 2 and an inner pipe 3 arranged in the pipe 2, and the pipe 3 is fixed to the inner wall surface of the pipe 2.
Application Number
申请号		 01100121 Application Date
申请日		 2001.01.08
Title 名称 Pipe for electric duster and its mfg. method
Publication Number
公开号		 1305773 Publication Date
公开日		 2001.08.01
Approval Pub. Date 2004.01.07 Granted Pub. Date 2004.01.07
International Classification 分类号 A47L9/24
Applicant(s) Name
申请人		 Sanyo Electric Co Ltd
Address 地址
Inventor(s) Name 发明人 Saito Kazuo;Fukushima Sadao;Tanaka Ko
Attorney & Agent 代理人 liu jiyang
More information 更  多  信  息


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