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Basic Hose Construction
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| Cover- The cover is the outermost
or visible area of the hose. It is designed to be a protective
covering against wear, abrasion, cuts, weather, and the
general destructive action encountered in normal service. |
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Body or Carcass- The body reinforcement
is the supporting structure of the hose. It can range from
simple to complex combinations and consists of cord, yarn,
fabric, wire, or any combination of these. |
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Tube or lining- The tube is the innermost
element of a hose and is compounded to provide resistance
to the material being carried. With the wide range of rubber
compounds available, a hose can be built to withstand abrasive
materials, chemicals, oil and a wide variety of other materials. |
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The Four Basic Methods of Hose Construction |
Although Goodyear makes more
than 2000 types of hose for specialized applications, there
are only 4 basic construction methods used. Since each
of these 4 methods embodies certain fundamental characteristics
that make it particularly suitable for certain functions,
an understanding of these methods may assist you in making
the best use of this catalog. Keep in mind that a reference
to anyone of these types of construction will imply all
the characteristics and benefits outlined here plus specific
features attained through the proper compounding of rubber,
choice materials, and variation in plies and thickness
to ensure that each hose is exactly right for the job it
is designed for.
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TYPE 1: Vertical Braided Hose
Entire hose length cured in one operation.
A. Extruded seamless tube.
B. Seamless reinforcing braids of synthetic textile wire, or other material-
applied by high speed vertical or horizontal braiders.
C. Rubber layers between braids establish positive bond between braids
when vulcanized.
D. Extruded, seamless cover.
Advantages: Flexible. High resistance to kinking.
Cover either smooth or wrapped. Available in long continuous
lengths. Excellent tensile strength.
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TYPE 2: Spiral Hose
Built by machine with either textile or wire cord reinforcement applied
so that each ply is laid at a given angle for maximum dimensional stability.
A. Extruded or calendered tube.
B. Reinforcement of synthetic textile wire or other material.
C. Rubber layers between reinforcement plies to establish positive bond.
D. Cover.
Advantages: Extremely flexible. Smooth bore,
uniform tube. High strength with long length capability.
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TYPE 3: Hand Built Spiraled Ply Hose
Built by hand on a mandrel. Cured under pressure applied from outside
by cloth wraps and steam.
A. Calendered, or" built-up " tube to fit service .
B. Tailor-made spiral wrapped fabric
C. Wire reinforcement where needed.
D. Cover stock of selected gauge and compound. Wrap cured.
Advantages: Craftsman-built to special requirements.
Wide variation in sizes, constructions, and materials.
Built-in strength to fit most rugged job requirements.
Couplings, fittings, nipples, flanges and beaded ends
can be built in. Available in lengths up to 50 feet,
in sizes up to 18 inches. On larger diameters, consult
JGB.
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TYPE 4: Knitted Hose
A. Extruded seamless tube .
B. Seamless woven textile jacket .
C. Interwoven wire helix reinforcement where needed. D. Extruded seamless
cover.
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Thank you to Goodyear Tire & Rubber company. Source material
Goodyear Catalog #99-130. Any errors in the transcription of this data are solely
the responsibility of JGB Enterprises, Inc. No warranty, including implied warranty
of merchantablility, fitness for a particular purpose, or other warranty of quality
is either expressed or implied of this product.
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This page last modified on Tuesday, May 13, 2008.
Copyright 2000 - 2008 JGB Enterprises, Inc.
Phone: (315) 451-2770 ext. 365
Fax: (315) 234-6460
Contact Us
JGB is an Equal Opportunity Employer
NOTE:
The product
data on the web site is based on catalog information
from the manufacturer.
JGB is not
responsible for any errors or changes to that data
made by the manufacturer.
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