Page 49 - 2010-2022 hose manufactureing ability and guide
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Brands (Molded) Impression Brands
Brands may be affixed along the length of the An impression brand is the exact opposite of
exterior surface of a hose at designated points. the molded (relief) brand described above. In
Such brands should be of a size and shape this method, the legend is impressed into the
adequate to embrace the legend desired; surface of the hose. Such branding may be done
however, the circumference of the hose and the at specific locations on a hose length or in a
means for applying the brand at the specified continuous line. It is accomplished by using a
location (s) may act to restrict the size of the heated branding device either of specific
brand. configuration or on a heated wheel for
continuous line branding. When used on
The most durable types of brands are those
embossed or die formed from a metal sheet. vulcanized hose, the heated branding device
compresses the hose cover material beneath the
These brands are applied to the surface at the
designated place (s) along the hose length prior surface and either literally distorts it or destroys
to vulcanization. The formed metal die acts to minute areas by charring. Some concern must
be shown for the depth of the impression,
mold the brand in relief on the surface of the
hose. The metal die is usually removed particularly as it relates to the thickness of the
following vulcanization. hose cover and the heat transmitted by the
branding device. If misused, it could affect the
A variation of the embossed or molded brand life expectancy of the cover or the
system calls for the use of a brand in a color reinforcement beneath.
contrasting with that of the hose. To achieve Impression branding is not as widely
this, a coating of unvulcanized colored rubber is
applied to the back surface of the metal sheet practiced as is molded branding. Continuous
from which the die is produced. During impression brands have been employed on
unvulcanized hose by use of an unheated wheel.
vulcanization, the colored rubber layer adheres
to the hose cover and when the metallic die is This method is not applicable to hose which has
removed following vulcanization, a distinctive exterior mold pressure applied to consolidate
the hose wall since the impressed area would be
brand remains in relief on the exterior surface.
The colored brand acts to highlight the filled in and obliterated.
identifying information. Use of such brands is Labels/Decals
more costly and may not be necessary for most Rubber labels are produced in several ways.
applications.
A rubber sheet is either printed or has deposited
Another variation of the embossed or molded upon one surface a coating of latex or other
brand, employed to a significant extent in long liquid rubber composition having the desired
length hose manufacturing, is continuous strip legend in a contrasting color. An adhesive
branding. This method requires that the legend backing may be applied to the opposite side of
be embossed at repeated intervals on long, the label sheet stock. The individual labels are
narrow metallic or plastic strips. The strips are then die cut to the prescribed size and shape.
applied to the exterior surface of the uncured Rubber labels can be applied to hose prior to
hose usually when it enters the sheathing device vulcanization and adhered to the outer hose
or the cure tape applicator. After vulcanization, surface by the pressures applied during
the strip is removed leaving the hose with a vulcanization. They can also be pre-vulcanized
continuous legend in relief along its entire and applied to the outer surface after
length. Such a brand provides greater visibility vulcanization by use of an adhesive.
than does the individual brand and will likely
remain visible longer during the service life of
the hose.
RMA/IP-2/2003 28

