Page 110 - 2010-2022 hose manufactureing ability and guide
P. 110

weathering:  the surface deterioration of a hose   woven fabric:  a flat structure composed of two
                 cover  during  outdoor exposure, as  shown  by   series  of  interlacing  yarns or filaments, one
                 checking, cracking, crazing and chalking.      parallel to the axis of the fabric and the other
                                                                transverse.
                 weft:  a term used for filling. See filling.
                                                                woven jacket:  see jacket.
                 weftless cord  fabric:   a cord fabric either
                 without filling yarns or with a few small filling   WP:  the abbreviation for working pressure.
                 yarns widely spaced.
                                                                wrap:  see straight wrap and cross wrap.
                 wire braid:  see braid.
                                                                wrapped cure:  a vulcanizing process using a
                 wire loop:  in braided hose, a loop in the wire   tensioned wrapper (usually of  fabric) to  apply
                 reinforcement caused by  uneven tensions       external pressure.
                 during bobbin winding or braiding.
                                                                wrapper marks:   the impressions  left on the
                 wire reinforced:   a  hose containing  wires to   surface of a hose  by  a  material  used  during
                 give  added strength,  increased dimensional   vulcanization. Usually shows characteristics of
                 stability, or crush  resistance. See  also:    a woven  pattern and wrapper edge  marks; see
                 reinforcement.                                 also: wrapped cure; wrinkled ply; buckled ply.

                 wire throw-out:  (1) in braided hose, a broken                      Y
                 end or  ends  in  the wire  reinforcement      yarn:  a generic term for continuous strands of
                 protruding from the surface of the braid; (2) a   textile fibers or filaments in a form suitable for
                 displaced coil in rough bore hose.
                                                                knitting,  weaving, or otherwise interwining to
                 wire wound:   having a single wire  or  a      form a textile fabric.  It  may comprise: (a)  a
                 plurality of wires spiraled in one or more layers   number of fibers twisted together, (b) a number
                 as a protective or reinforcing member.         of filaments laid  together without  twist (a
                                                                zero-twist yarn), (c) a number of filaments laid
                 wire woven:   woven with the wire              together with more or  less  twist, (d) a single
                 reinforcement applied  helically  by  means of  a
                 circular loom.                                 filament with  or without twist (a
                                                                mono-filament), or (e) one or more strips made
                 working pressure:  the maximum pressure to     by  the  lengthwise division  of a sheet  of
                 which  a  hose will  be  subjected, including the   material, such as a natural or synthetic polymer,
                 momentary surges in pressure which can occur   a paper or metal foil used with or without twist
                 during service Abbreviated as WP.              in a textile construction.

                                                                yarn number:   the  number of hanks  in a
                                                                pound, usually cotton.

































                89                                                                            RMA/IP-2/2003
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