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Method of making reinforced flexible hose with leakage indicator

a flexible, reinforced technology, applied in the direction of pipe couplings, couplings, sport apparatus, etc., can solve the problems of hose failure, achieve the effect of improving the insulative properties of the hose, reducing the likelihood of peeling and sustain damage during bending, and being easy to clean

Inactive Publication Date: 2010-04-15
LOYAL INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The solution results in a hose with a smooth, easy-to-clean surface, enhanced flexibility, and early detection of leaks, preventing potential damage from unnoticed leaks.

Problems solved by technology

Moisture penetrating from the interior tube to the stainless steel threads, changes the moisture sensitive compound to the second color, indicating failure of the hose.

Method used

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  • Method of making reinforced flexible hose with leakage indicator
  • Method of making reinforced flexible hose with leakage indicator
  • Method of making reinforced flexible hose with leakage indicator

Examples

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Embodiment Construction

[0044]Referring to FIGS. 1, 2 and 3, 3A, 4 and 4A, a reinforced flexible hose 10 is provided. The hose 10 has an interior tube 15 for conducting a fluid. The tube 15 has an inner bore 20 and an outer surface 25. At least one layer of stainless steel threads 30 are braided about the outer surface 25 and a transparent flexible polymeric covering 35 is located over the stainless steel threads 30. The flexible polymeric covering 35 is not in intimate contact with the circumference of every thread 30. The flexible polymeric covering 35 only contacts the threads 30 tangentially. Thus pockets of air 60 are trapped between the covering 35 and the braid 30 thereby protecting the braid 30 from abrasion and corrosion and improving the insulative properties of the hose 10. A moisture sensitive compound 32 is provided. The compound 32 changes from an initial color 34 to a second color 36 upon contact with moisture 38. The compound 32 is dispersed in the pockets of air 60 trapped between the thre...

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Abstract

A reinforced flexible hose that has at least one layer of stainless steel threads braided about the outer surface of the inner core and a transparent flexible polymeric covering located over the braided stainless steel threads, thereby protecting them from abrasion and corrosion. The covering is not in intimate contact with the circumference of each thread thereby trapping pockets of air between the covering and the threads. A moisture sensitive compound is dispersed through the stainless steel threads under the transparent covering. When the compound becomes wet, it changes from a first color to a second color indicating that the hose has failed.

Description

RELATED APPLICATION[0001]This application is a continuation of U.S. application Ser. No. 12 / 185,608, filed Aug. 4, 2008.FIELD OF INVENTION[0002]The invention pertains to reinforced hoses. More particularly, the invention relates to plastic core hoses with braided reinforcing, protective outer coverings and an integral leakage indicator for use in plumbing applications and related uses.BACKGROUND OF THE INVENTION[0003]A number of applications are best served by flexible hoses. Most notably, hoses connecting fixed plumbing outlets to vibrating machinery or appliances require the use of flexible hoses to prevent cracking and resultant leaks. Resilient materials, including various types of rubber and plastic, have been employed in situations requiring flexible hoses, however, a number of problems are typically encountered. The flexible materials employed in such hoses tend not to be as strong and resistant to higher pressures as solid, non-flexible materials. Further, such materials ten...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B32B37/02
CPCF16L2201/30F16L11/081
Inventor NG, KWAN YUEN ABRAHAMNG, SARAH SEEN YUI CHAN
Owner LOYAL INC
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