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Alignment tool

A tool and straightening technology, which is applied in the direction of instruments, cable laying equipment, transportation and packaging, etc., can solve the problems of high stress of casing and its separation

Inactive Publication Date: 2007-02-21
FEDERAL MOGUL POWERTRAIN INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The increase in resistance will lead to excessive stress on the casing and its separation, which is particularly unfavorable for long-distance dragging, because the casing must be restored in the pipeline before the next dragging

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] FIG. 1 illustrates an installation operation in which a plurality of protective sleeves 10 are pulled from a supply reel, such as one or more spools 12 , and passed through a conduit 14 . Each sleeve 10 deflects into a lying configuration so that it occupies the minimum space in the conduit 14 and presents as little resistance as possible. In this way, the limited space in the pipeline 14 can be effectively utilized, and the pulling force required when the sleeve passes through the pipeline is as small as possible, so that no large stress is induced on the sleeve, which may cause the sleeve to break. Each casing 10 has a pull cord, which can be used to pull through the casing conveniently against the optical fiber cables, copper telephone wires or power cables placed in the pipeline 14 . The sleeve 10 is flexible to expand to accommodate cables or lines therein.

[0022] For efficiency and convenience, multiple sleeves 10 are often tied together at one end and pulled s...

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PUM

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Abstract

A tool for aligning a plurality of flexible elongate items is disclosed. The tool has first and second frame members positioned in spaced apart relation to one another. A plurality of cross pieces extends between the frame members. The cross pieces are in spaced relation to one another and define a plurality of openings for receiving the elongate items. The frame members are angularly adjustable relative to the elongate members about an axis parallel to one of the cross pieces so as to vary the apparent size of the openings to accommodate varying thickness of the elongate members. The tool guides the elongate members as they are fed from a supply so that they lie neatly atop one another as they are drawn through the openings.

Description

technical field [0001] The present invention relates to a tool for straightening flexible, elongated objects drawn from a supply reel. Background technique [0002] When laying communication lines, such as optical fiber networks or ordinary copper wire lines and power cable lines, it is often used to place the line or power cable in an isolation and protect the line from moisture, dirt, corrosion, rot, animal attack and other hazards. It is a convenient method for laying in the pipeline in the ground. Such pipelines carrying telecommunication lines or the like may extend to such an extent that they can only be isolated at points along their route, e.g. connecting network elements such as amplifiers, transformers or devices providing services such as electricity or telecommunication The place is accessible. [0003] Due to the limited accessibility of the pipeline, the lines had to be pulled through the pipeline from one of its entry points to the other. It would be extrem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21C29/16B65H57/16G02B6/44H01LH02G1/08
CPCB65H57/16G02B6/4463H02G1/085G02B6/50
Inventor 本杰明·B·詹姆斯约翰·E·比尔迪
Owner FEDERAL MOGUL POWERTRAIN INC