PROBLEM TO BE SOLVED: To provide an installation method for duct and a block for duct, where it is unnecessary to wind a wire rope around blocks for duct, installation work is facilitated, neat and proper appearance is obtained, and lids are made difficult to open, after the completion of...
For installing a cable-duct () around a cable () buried in the ground the duct is propelled by propelling means () which comprise solenoid means () and a corresponding core member () of a magnetic material, and duct transporting means (). The core member is provided with coupling means ...
PURPOSE: To install a new small diameter cable, etc., into the space of a duct in which a cable, etc., are already installed. ;CONSTITUTION: A new small diameter cable 5 is installed into the space of a duct 4 in which a cable 3 is already installed. A parachute 1 which produces ...
PURPOSE:To use a previously set duct to enable an electric wire to be economically installed, by pushing a tubular rod made of synthetic resin into the extra space of the previously set duct, to install the rod, and by using a leading wire set in the tubular rod to instal the electric ...
rib even onto a thin wall duct the both ends of which is formed with flared sections by way of a specified outer circumferential clearance by dividing reach rib by 2 so as to be formed into rib pieces, and thereby holding the duct from both of the upper and lower sides of the duct. ...
Installation method of refrigeration equipment and 优质文献 相似文献Enveloping heat absorber for improved refrigerator efficiency and recovery of reject heat for water heating In refrigeration; in order to transfer heat from the heat supplier, or to the heat absorber, it is necessary that temperature ...
PROBLEM TO BE SOLVED: To improve installation strength of an air conditioner duct onto an instrument panel without deteriorating design freedom of the instrument panel. ;SOLUTION: An upper duct half body 31 and a lower duct half body 32 injection-molded of synthetic resin and vertically two-parte...
;SOLUTION: A bolt insertion hole 2 is formed at the center of a multi-purpose duct 1, and multiple cable insertion holes are formed around it. A connecting rod 8 inserted into the bolt insertion hole 2 is provided with a male screw section 9 at the tip and an expanded head section 10...
Method and system of subduct & cable installation A method and system of installing a cable into a duct, comprising increasing the cross-sectional areas of subducting provided in the duct, so as to allow the cable to be received into the subducting, and then decreasing the cross-section......
CONNECTING METHOD, CONNECTING STRUCTURE FOR UNDERGROUND CABLE INSTALLATION MULTI-PURPOSE DUCT, ROTARY TOOL USED FOR METHOD 来自 百度文库 喜欢 0 阅读量: 15 申请(专利)号: JP特願平7-240544 申请日期: 19950825 公开/公告号: JP特開平9-60490A 公开/公告日期: 19970304 申请(专利权)人: MAEDA ...