Page 108 - 2010-2022 hose manufactureing ability and guide
P. 108

Standards Organizations:   ABS-American        stripper cuts:   the  longitudinal  cuts in the
                 Bureau of  Shipping, ANSI-American  National   cover of  lead finished hose caused by an
                 Standards Institute, API-American  Petroleum   improperly set stripper knife.
                 Institute, ASTM-American Society  for Testing   strip test:  in fabric testing, tensile strength test
                 and Materials, BIA-Boating         Industry    made on a  strip of  fabric raveled  down to  a
                 Association,  BSI-British Standards Institute,   specified number of threads or width of fabric,
                 CGA-Compressed Gas Association, DIN-           all of which are firmly held in grips wider than
                 Deutsches Institut for  Normung-German         the test piece.
                 Standards , EN-European Norms, FPS-Fluid
                 Power Society,  FM- Factory Mutual Research,   sulfur, free:  the sulfur in a rubber compound
                 ISO-International       Organization    for    extractable  by  sodium sulfite after  the normal
                 Standardization, JIS-Japanese  Industrial      vulcanization process.
                 Standards, NAHAD-National Association of
                 Hose and Accessories  Distributors,   NFPA-    sulfur, total:  all the sulfur present in a rubber
                 National Fluid  Power  Association,   RMA-     compound, including  inorganic  sulfides and
                 Rubber Manufactures Association, SAE-          sulfates.
                 Society of  Automotive Engineers, TFI-The      sun checking:  the  surface cracks,  checks, or
                 Fertilizer Institute,    UL-  Underwriters     crazing caused by exposure to direct or indirect
                 Laboratories
                                                                sunlight.
                 staple:   (1)  textile fiber of relatively short
                 length when spun and twisted forms a yarn; (2)
                 the length of such a textile fiber.            surge:  a rapid and transient rise in pressure.
                 static bonding:   use of a grounded conductive   swaging:  the act of forming a hose fitting by
                 material to eliminate static electrical charges.   passing it  into  a  die, generally split,  which  is

                 static conductive:   having the capability of   sized to yield  the  desired finished fitting
                 furnishing a path for a flow of static electricity.   diameter.
                 static  wire: a  wire  incorporated in a hose  to   swelling:   an  increase in volume or  linear
                 conduct static electricity.
                                                                dimension of a specimen immersed in liquid or
                 stock:   an  uncured rubber compound  of  a    exposed to a vapor.
                 definite composition from which a given article
                 is manufactured.                                                    T

                 straight end:   a  hose  end with  an  inside   tabby:   a  section of cord fabric with closely
                 diameter the same as that of the main body of   woven pick yarns. enabling the woven cord to
                 the hose.                                      be cut without the individual cords in the rest of
                                                                the roll becoming displaced.
                 straight wrap:   in a curing process, a wrap of
                 lightweight fabric in which the warp threads of   tack:  the ability to adhere to itself: a sticky or
                 the fabric are parallel to the axis of the hose.   adhesive quality or condition
                 stress relaxation:  the decrease in stress after a   tack, rubber:    a  property of a rubber and
                 given time at constant strain.                 rubber compounds  that causes two  layers of
                                                                compounds that have been pressed together to
                 stress-strain:   the  relationship  of force  and
                 deformation  of a unit  area of a  body  during   adhere firmly at the area of contact.
                 compression, extension or shear.               tear resistance:   the property of a rubber tube
                 stretch:   (1) an  increase in dimension;  an   or cover of a hose to resist tearing forces
                 elongation; (2) the endload applied to fire hose   teeth:   the  tension filaments which appear
                 during vulcanization to reduce hose elongation,   between  two adhering plies  of rubber  as  they
                 strike through:   (1)  in coated or frictioned   are pulled apart
                 fabric, a  penetration  of rubber  compound    tensile strength:   the  maximum tensile  stress
                 through the fabric, (2) in woven fire hose, the   applied while stretching a specimen to rupture.
                 penetration  of the  rubber backing through  the
                 jacket,                                        tensile stress:  a stress applied to stretch a test
                                                                piece (specimen).





                RMA/IP-2/2003                                                                             87
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