The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 02, 1992
Filed:
Sep. 10, 1990
Applicant:
Inventors:
Kiyoshi Horii, Tokyo, JP;
Kakuji Osumi, Yamaguchi, JP;
Assignee:
Toa Kikai Kogyo Co., Ltd., Shimonoseki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ; B65G / ;
U.S. Cl.
CPC ...
406194 ; 406 92 ; 406192 ; 2541344 ;
Abstract
In a method of passing a wire, cable, optical fiber or the like through a passage, a coanda spiral flow unit is connected to the passage, a pressure release port is provided along the length from the coanda spiral flow unit to the end of the passage, compressed gas is supplied from a portable-type compressed gas supply through a coanda slit of said coanda spiral flow unit, a conductor or a guide is inserted through an end introducing port of said coanda spiral flow unit and passed through the passage. Smooth passing operations can be conducted at high speeds, even through a long and thin passage with many bends.