cj77 22.2 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175
Temperature/nn of/in the/at wash/nn and/cc rinse/nn waters/nns is/bez maintained/vbn at/in 85/cd -/in 90-degrees-F/nns (/nil 29/nil -/nil 32-degrees-C/nil )/nil ./.
The/at top/jjs rolls/nns are/ber loaded/vbn with/in 40/cd lbs./nns ./.
Sixty/cd lbs./nns loading/nn is/bez possible/jj but/cc 40/cd lbs./nns is/bez adequate/jj ./.


	The/at suds/nns box/nn drain/nn is/bez arranged/vbn at/in the/at start/nn to/to deliver/vb into/in the/at raised/vbn main/jjs drain/nn pipe/nn (/( thus/rb returning/vbg suds/nns to/in soap/nn box/nn )/) and/cc the/at machine/nn is/bez started/vbn ./.
The/at 160-ml./jj bath/nn containing/vbg the/at calculated/vbn amount/nn of/in detergent/nn is/bez applied/vbn slowly/rb and/cc directly/rb to/in the/at running/vbg specimen/nn ./.
Washing/vbg is/bez continued/vbn for/in 30/cd minutes/nns or/cc for/in a/at period/nn of/in time/nn sufficient/jj to/to allow/vb 100/cd nips/nns or/cc passes/nns through/in the/at squeeze/nn rolls/nns ./.
At/in the/at conclusion/nn of/in the/at washing/nn ,/, 8/cd liters/nns of/in water/nn at/in 90-degrees-F/nns (/nil 32*0C./nil )/nil are/ber automatically/rb metered/vbn from/in the/at rinse/nn reservoir/nn to/in the/at washing/vbg tubs/nns ,/, 4/cd liters/nns to/in each/dt tub/nn ./.
This/dt operation/nn requires/vbz from/in 10/cd to/in 12/cd minutes/nns ./.
During/in the/at rinsing/vbg operation/nn the/at volume/nn in/in the/at tubs/nns gradually/rb increases/vbz until/cs overflow/nn from/in the/at main/jjs drain/nn begins/vbz ./.
At/in this/dt point/nn the/at drains/nns are/ber readjusted/vbn so/cs that/cs the/at suds/nns box/nn drain/nn will/md discharge/vb directly/rb into/in the/at waste/nn line/nn and/cc the/at main/jjs tub/nn drain/nn is/bez set/vbn at/in the/at 2-1/2/cd mark/nn on/in the/at drain/nn gauge/nn ./.
When/wrb all/abn of/in the/at rinse/nn water/nn has/hvz passed/vbn from/in the/at reservoir/nn to/in the/at tubs/nns the/at main/jjs drains/nns are/ber lowered/vbn to/to permit/vb complete/jj draining/nn of/in the/at tubs/nns ./.
The/at run/nn is/bez complete/jj when/wrb all/abn the/at water/nn has/hvz drained/vbn off/rp into/in the/at waste/nn line/nn ./.


	By/in this/dt procedure/nn rinsing/vbg progresses/vbz in/in two/cd stages/nns ,/, first/rb by/in dilution/nn until/in the/at time/nn when/wrb the/at drains/nns are/ber separated/vbn and/cc thereafter/rb by/in displacement/nn of/in the/at soil-bearing/jj liquor/nn by/in clean/jj rinse/nn water/nn ,/, since/cs soiled/vbn liquor/nn squeezed/vbn from/in the/at specimens/nns at/in the/at nip/nn passes/vbz directly/rb to/in waste/nn from/in the/at suds/nns box/nn drains/nns ./.
This/dt method/nn of/in rinsing/vbg appears/vbz to/to produce/vb maximum/jj cleansing/nn with/in minimum/jj soil/nn redeposition/nn ./.



Suggested/vbn-hl evaluation/nn-hl and/cc-hl classification/nn-hl 
Evaluation/nn may/md be/be made/vbn on/in either/cc a/at soil-removal/nn or/cc a/at grease-removal/nn basis/nn as/cs desired/vbn ./.
A/at reflectance-measuring/jj instrument/nn may/md be/be desirable/jj to/to measure/vb cleaning/vbg ,/, whereas/cs Soxhlet/np extraction/nn is/bez necessary/jj to/to measure/vb grease/nn removal/nn ./.



Purpose/nn-hl and/cc-hl scope/nn-hl 
This/dt test/nn method/nn is/bez intended/vbn for/in determining/vbg the/at dimensional/jj changes/nns of/in woven/vbn or/cc knitted/vbn fabrics/nns ,/, made/vbn of/in fibers/nns other/ap than/cs wool/nn ,/, to/to be/be expected/vbn when/wrb the/at cloth/nn is/bez subjected/vbn to/in laundering/vbg procedures/nns commonly/rb used/vbn in/in the/at commercial/jj laundry/nn and/cc the/at home/nn ./.
Four/cd washing/vbg test/nn procedures/nns are/ber established/vbn ,/, varying/vbg in/in severity/nn from/in very/ql severe/jj to/in very/ql mild/jj ,/, and/cc are/ber intended/vbn to/to cover/vb the/at range/nn of/in practical/jj washing/vbg from/in commercial/jj procedure/nn to/in hand/nn washing/nn ./.
Five/cd drying/vbg test/nn procedures/nns are/ber established/vbn to/to cover/vb the/at range/nn of/in drying/vbg techniques/nns used/vbn in/in the/at home/nn and/cc commercial/jj laundry/nn ./.
Three/cd methods/nns for/in determining/vbg the/at dimensional/jj restorability/nn characteristics/nns are/ber established/vbn for/in those/dts textiles/nns which/wdt require/vb restoration/nn by/in ironing/vbg or/cc wearing/vbg after/in laundering/vbg ./.
These/dts tests/nns are/ber not/* accelerated/vbn and/cc must/md be/be repeated/vbn to/to evaluate/vb dimensional/jj changes/nns after/in repeated/vbn launderings/nns ./.


	Table/nn-tl 1/cd-tl ,/, summarizes/vbz all/abn of/in the/at various/ap washing/vbg ,/, drying/vbg ,/, and/cc restoration/nn procedures/nns available/jj ./.
The/at person/nn using/vbg these/dts tests/nns must/md determine/vb which/wdt combination/nn of/in procedures/nns is/bez practical/jj for/in any/dti specific/jj item/nn in/in order/nn to/to evaluate/vb the/at dimensional/jj changes/nns of/in textile/nn fabrics/nns or/cc garments/nns after/in laundering/vbg procedures/nns commonly/rb used/vbn in/in the/at home/nn or/cc commercial/jj laundry/nn ./.
It/pps is/bez possible/jj to/to identify/vb the/at test/nn procedure/nn completely/rb with/in a/at code/nn consisting/vbg of/in a/at Roman/jj-tl Numeral/nn-tl ,/, a/at letter/nn ,/, and/cc an/at Arabic/jj number/nn ./.
For/in example/nn Test/nn-tl 3/cd-tl ,/, E/nn 1/cd refers/vbz to/in a/at specimen/nn which/wdt has/hvz been/ben washed/vbn by/in procedure/nn ``/`` 3/cd (/( ''/'' (/( at/in 160-degrees-F/nns )/) for/in a/at total/nn of/in 60/cd minutes/nns in/in the/at machine/nn ,/, has/hvz been/ben dried/vbn in/in a/at tumble/nn dryer/nn by/in procedure/nn ``/`` E/nn ''/'' and/cc has/hvz been/ben subjected/vbn to/in restorative/jj forces/nns on/in the/at Tension/nn-tl Presser/nn-tl by/in procedure/nn ``/`` 1/cd-tl ''/'' ./.



Principle/nn-hl 
A/at specimen/nn or/cc garment/nn is/bez washed/vbn in/in a/at cylindrical/jj reversing/vbg wash/nn wheel/nn ,/, dried/vbn and/cc subjected/vbn to/in restorative/jj forces/nns where/wrb necessary/jj ./.
Temperature/nn and/cc time/nn of/in agitation/nn in/in the/at wash/nn wheel/nn are/ber varied/vbn to/to obtain/vb different/jj degrees/nns of/in severity/nn ./.
Drying/vbg procedures/nns and/cc application/nn of/in restorative/jj force/nn procedures/nns are/ber varied/vbn to/to conform/vb with/in end-use/jj handling/nn during/in home/nn or/cc commercial/jj laundering/nn ./.
Distances/nns marked/vbn on/in the/at specimen/nn in/in warp/nn and/cc filling/vbg directions/nns (/( or/cc wales/nns and/cc courses/nns for/in knitted/vbn fabrics/nns )/) are/ber measured/vbn before/in and/cc after/in laundering/vbg ./.



Apparatus/nn-hl and/cc-hl materials/nns-hl 
wash/nn-hl wheel/nn-hl --/---hl cylindrical/jj-hl wash/nn-hl wheel/nn-hl of/in-hl the/at-hl reversing/vbg-hl type/nn-hl ./.-hl

The/at wheel/nn (/( cage/nn )/) is/bez 20/cd to/in 24/cd inches/nns inside/jj diameter/nn and/cc 20/cd to/in 24/cd inches/nns inside/jj length/nn ./.
There/ex are/ber three/cd fins/nns each/dt approximately/rb three/cd inches/nns wide/jj extending/vbg the/at full/jj length/nn of/in the/at inside/nn of/in the/at wheel/nn ./.
One/cd fin/nn is/bez located/vbn every/at 120-degrees/nns around/in the/at inside/jj diameter/nn of/in the/at wheel/nn ./.
The/at wash/nn wheel/nn rotates/vbz at/in a/at speed/nn of/in 30/cd revolutions/nns per/in minute/nn ,/, making/vbg five/cd to/in ten/cd revolutions/nns before/in reversing/vbg ./.
The/at water/nn inlets/nns are/ber large/jj enough/qlp to/to permit/vb filling/vbg the/at wheel/nn to/in an/at eight-inch/jj level/nn in/in less/ap than/in two/cd minutes/nns ,/, and/cc the/at outlet/nn is/bez large/jj enough/qlp to/to permit/vb discharge/nn of/in this/dt same/ap amount/nn of/in water/nn in/in less/ap than/in two/cd minutes/nns ./.
The/at machine/nn is/bez equipped/vbn with/in a/at pipe/nn for/in injecting/vbg live/jj steam/nn that/wps is/bez capable/jj of/in raising/vbg the/at temperature/nn of/in water/nn at/in an/at eight-inch/nn level/nn from/in 110-degrees/nns to/in 140-degrees-F/nns (/nil 38*0/nil to/nil 60*0C./nil )/nil in/in less/ap than/in two/cd minutes/nns ./.
The/at machine/nn shall/md contain/vb an/at opening/nn for/in the/at insertion/nn of/in a/at thermometer/nn or/cc other/ap equivalent/jj equipment/nn for/in determining/vbg the/at temperature/nn of/in the/at water/nn during/in the/at washing/nn and/cc rinsing/vbg procedures/nns ./.
It/pps is/bez equipped/vbn with/in an/at outside/jj water/nn gauge/nn that/wps will/md indicate/vb the/at level/nn of/in the/at water/nn in/in the/at wheel/nn ./.


	A/at domestic/jj automatic/jj washer/nn that/wps will/md give/vb equivalent/jj results/nns may/md be/be used/vbn ./.
The/at wash/nn wheel/nn is/bez the/at equipment/nn preferred/vbn for/in the/at test/nn ./.
Pressing/vbg-hl equipment/nn-hl --/---hl flat-bed/nn-hl press/nn-hl measuring/vbg-hl 24/cd-hl inches/nns-hl by/in-hl 50/cd-hl inches/nns-hl or/cc-hl larger/jjr-hl ./.-hl

Any/dti flat-bed/nn press/nn capable/jj of/in pressing/vbg a/at specimen/nn 22/cd inches/nns square/jj may/md be/be used/vbn as/cs an/at alternative/nn ./.
The/at flat-bed/nn press/nn is/bez maintained/vbn at/in a/at temperature/nn not/* less/ap than/in 275-degrees-F/nns (/nil 135*0C./nil )/nil ./.
Dryer/nn-hl --/---hl dryer/nn-hl of/in-hl the/at-hl rotary/jj-hl tumble/nn-hl type/nn-hl ,/,-hl having/hvg-hl a/at-hl cylindrical/jj-hl basket/nn-hl approximately/rb-hl 30/cd-hl inches/nns-hl in/in-hl diameter/nn-hl and/cc-hl 24/cd-hl inches/nns-hl in/in-hl length/nn-hl and/cc-hl rotating/vbg-hl at/in-hl approximately/rb-hl 35/cd-hl r.p.m./nns-hl ./.-hl

The/at dryer/nn is/bez provided/vbn with/in a/at means/nn of/in maintaining/vbg a/at drying/vbg temperature/nn of/in 120-degrees/nns -/in 160-degrees-F/nns (/nil 49*0/nil -/nil 71*&0C./nil )/nil ,/, measured/vbn in/in the/at exhaust/nn vent/nn as/ql close/rb as/cs possible/jj to/in the/at drying/vbg chamber/nn ./.
Screen/nn-hl drying/vbg-hl racks/nns-hl --/---hl 16-mesh/jj screening/nn-hl (/(-hl Saran/np-hl or/cc-hl Velon/np-hl )/)-hl ./.-hl

Drying/vbg-hl room/nn-hl --/---hl facilities/nns-hl for/in-hl drip-/nn-hl or/cc-hl line-drying/nn-hl ./.-hl

Extractor/nn-hl --/---hl centrifugal/jj-hl extractor/nn-hl of/in-hl the/at-hl laundry-type/nn-hl with/in-hl a/at-hl perforated/vbn-hl basket/nn-hl ,/,-hl approximately/rb-hl 11/cd-hl inches/nns-hl deep/jj-hl by/in-hl 17/cd-hl inches/nns-hl in/in-hl diameter/nn-hl ,/,-hl with/in-hl an/at-hl operating/vbg-hl speed/nn-hl of/in-hl approximately/rb-hl 1,500/cd-hl r.p.m./nns-hl ./.-hl

Pen/nn-hl and/cc-hl ink/nn-hl ,/,-hl indelible/jj-hl --/---hl or/cc-hl other/ap-hl suitable/jj-hl marking/vbg-hl device/nn-hl ./.-hl

measuring/nil scale/nil --/nil 


Soap/nn-hl ,/,-hl neutral/jj-hl chip/nn-hl --/---hl fed./jj-hl Spec./nn-tl-hl 566/cd-hl or/cc-hl Aj/nn-hl ./.-hl

Softener/nn-hl --/---hl e.g./rb-hl sodium/nn-hl metaphosphate/nn-hl or/cc-hl sodium/nn-hl hexametaphosphate/nn-hl (/(-hl if/cs-hl needed/vbn-hl in/in-hl hard/jj-hl water/nn-hl areas/nns-hl )/)-hl ./.-hl

Detergent/nn-hl ,/,-hl synthetic/jj-hl --/---hl alkylarysulfonate/nn-hl type/nn-hl ./.-hl

Flatiron/nn-hl ,/,-hl electric/jj-hl --/---hl approximately/rb-hl 3/cd-hl lb./nn-hl 
tension/nn-hl presser/nn-hl --/---hl consisting/vbg-hl of/in-hl a/at-hl padded/vbn-hl ironing/vbg-hl board/nn-hl from/in-hl which/wdt-hl extend/vb-hl clamping/vbg-hl members/nns-hl on/in-hl all/abn-hl four/cd-hl sides/nns-hl ./.-hl

Two/cd of/in the/at clamps/nns are/ber fixed/vbn to/in the/at edges/nns of/in the/at board/nn whereas/cs two/cd clamps/nns travel/vb on/in guide/nn rails/nns opposite/in the/at fixed/vbn clamps/nns ./.
The/at movable/jj clamps/nns travel/vb on/in carriages/nns which/wdt ride/vb the/at rails/nns and/cc are/ber drawn/vbn by/in dead-weight/nn loading/vbg ./.
Sets/nns of/in weights/nns are/ber provided/vbn so/cs that/cs the/at load/nn can/md be/be selected/vbn in/in the/at range/nn of/in 1/2/cd to/in 4/cd pounds/nns ./.
A/at perforated/vbn aluminum/nn plate/nn ,/, used/vbn to/to provide/vb the/at drying/vbg surface/nn ,/, is/bez heated/vbn by/in means/nn of/in a/at flatiron/nn ./.
A/at special/jj template/nn is/bez furnished/vbn with/in the/at apparatus/nn to/to enable/vb marking/vbg a/at specimen/nn for/in a/at central/jj measuring/vbg area/nn and/cc the/at fabric/nn extensions/nns to/in the/at clamps/nns (/( see/vb Fig./nn-tl 2/cd-tl )/) ./.
Knit/nn-hl shrinkage/nn-hl gauge/nn-hl --/---hl consisting/vbg-hl of/in-hl a/at-hl set/nn-hl of/in-hl 20/cd-hl mounting/vbg-hl pins/nns-hl set/vbn-hl in/in-hl guides/nns-hl in/in-hl radial/jj-hl slots/nns-hl (/(-hl Fig./nn-tl-hl 1/cd-tl-hl )/)-hl ./.-hl

Each/dt pin/nn is/bez individually/rb sprung/vbn to/in a/at tensioning/vbg member/nn which/wdt is/bez driven/vbn outwardly/rb in/in the/at slot/nn ./.
The/at springs/nns have/hv an/at extension/nn of/in 1/cd inch/nn at/in Af/nn tension/nn ./.
The/at tensioning/vbg members/nns have/hv a/at common/jj drive/nn so/cs that/cs the/at application/nn of/in restorative/jj force/nn takes/vbz place/nn simultaneously/rb in/in all/abn directions/nns in/in the/at plane/nn of/in the/at test/nn specimen/nn ./.
The/at minimum/jj diameter/nn of/in the/at pin/nn frame/nn in/in the/at collapsed/vbn state/nn is/bez 11/cd inches/nns and/cc the/at maximum/jj diameter/nn in/in the/at freely/rb extended/vbn state/nn (/( unloaded/vbn )/) is/bez 14/cd inches/nns ./.
The/at surface/nn of/in the/at apparatus/nn in/in contact/nn with/in the/at test/nn-hl specimen/nn-hl is/bez uncluttered/jj and/cc polished/vbn so/cs as/cs to/to be/be as/ql friction-free/jj as/ql possible/jj ./.



Test/nn specimens/nns 
The/at preparation/nn of/in test/nn specimens/nns will/md vary/vb depending/in upon/in the/at type/nn of/in dimensional/jj restorability/nn procedure/nn (/( if/cs any/dti )/) to/to be/be used/vbn ./.


	Three/cd specimens/nns for/in each/dt sample/nn to/to be/be tested/vbn are/ber required/vbn in/in order/nn to/to arrive/vb at/in a/at satisfactory/jj average/nn of/in performance/nn ./.
This/dt is/bez especially/ql true/jj for/in knitted/vbn fabrics/nns ./.


	Specimens/nns are/ber allowed/vbn to/to reach/vb moisture/nn equilibrium/nn with/in a/at standard/jj atmosphere/nn of/in Af/nn and/cc Af/nn and/cc then/rb laid/vbn out/rp without/in tension/nn on/in a/at flat/jj ,/, polished/vbn surface/nn ,/, care/nn being/beg taken/vbn that/cs the/at fabric/nn is/bez free/jj from/in wrinkles/nns or/cc creases/nns ./.
Fabrics/nns that/wps are/ber badly/rb distorted/vbn in/in their/pp$ unlaundered/jj state/nn due/rb to/in faulty/jj finishing/nn may/md give/vb deceptive/jj dimensional/jj change/nn results/nns when/wrb laundered/vbn by/in any/dti procedure/nn ./.
This/dt also/rb holds/vbz true/jj if/cs restorative/jj forces/nns are/ber applied/vbn ./.
Therefore/rb ,/, it/pps is/bez recommended/vbn that/cs in/in such/jj cases/nns the/at sample/nn be/be replaced/vbn ,/, or/cc if/cs used/vbn ,/, the/at results/nns of/in dimensional/jj change/nn or/cc dimensional/jj restorability/nn tests/nns be/be considered/vbn as/cs indicative/jj only/rb ./.


	Generally/rb ,/, it/pps is/bez necessary/jj to/to mark/vb distances/nns on/in a/at specimen/nn (/( or/cc garment/nn )/) in/in both/abx lengthwise/jj and/cc widthwise/jj directions/nns and/cc to/to measure/vb before/in and/cc after/in laundering/vbg ./.
The/at distances/nns may/md be/be marked/vbn with/in indelible/jj ink/nn and/cc a/at fine-point/nn pen/nn ,/, by/in sewing/vbg fine/jj threads/nns into/in the/at fabric/nn ,/, or/cc by/in a/at specially/rb designed/vbn stamping/vbg machine/nn ./.
The/at marked/vbn distances/nns are/ber parallel/rb to/in the/at respective/jj yarns/nns ./.
Usually/rb ,/, the/at greater/jjr the/at original/jj distances/nns marked/vbn ,/, the/at greater/jjr will/md be/be the/at accuracy/nn of/in the/at test/nn ./.
Distances/nns of/in less/ap than/in 10/cd inches/nns are/ber not/* recommended/vbn ./.
Woven/vbn-hl fabrics/nns-hl to/to-hl be/be-hl dried/vbn-hl by/in-hl procedure/nn-hl b/nn-hl (/(-hl flat-bed/nn-hl pressed/vbn-hl )/)-hl or/cc-hl restored/vbn-hl by/in-hl procedure/nn-hl 3/cd-hl (/(-hl hand/nn-hl ironing/vbg-hl )/)-hl :/:-hl 
The/at specimen/nn of/in fabric/nn is/bez a/at rectangle/nn at/in least/ap 22/cd by/in 22/cd inches/nns ,/, except/in for/in cloth/nn narrower/jjr than/cs 22/cd inches/nns ,/, in/in which/wdt case/nn the/at specimen/nn is/bez the/at entire/jj width/nn of/in the/at fabric/nn ./.
Three/cd distances/nns ,/, each/dt at/in least/ap 18/cd inches/nns ,/, are/ber measured/vbn and/cc marked/vbn off/rp parallel/rb to/in each/dt of/in the/at warp/nn and/cc filling/vbg directions/nns ./.
The/at distances/nns are/ber at/in least/ap two/cd inches/nns from/in any/dti edge/nn of/in the/at specimen/nn ./.
Woven/vbn-hl or/cc-hl warp/nn-hl knitted/vbn-hl fabrics/nns-hl to/to-hl be/be-hl subjected/vbn-hl to/in-hl restorative/jj-hl procedure/nn-hl 1/cd-hl (/(-hl tension/nn-hl presser/nn-hl )/)-hl ./.-hl

Each/dt specimen/nn is/bez at/in least/ap 25/cd inches/nns by/in 25/cd inches/nns ./.
Place/vb the/at template/nn (/( Fig./nn-tl 2/cd-tl )/) on/in the/at fabric/nn so/cs that/cs the/at sides/nns of/in the/at 10/cd inch/nn square/nn cut/vbn out/rp of/in the/at template/nn are/ber parallel/rb to/in the/at warp/nn and/cc filling/nn for/in woven/vbn fabrics/nns ,/, or/cc the/at wales/nns and/cc courses/nns for/in knitted/vbn fabrics/nns ,/, and/cc so/cs that/cs the/at same/ap amount/nn of/in fabric/nn extends/vbz beyond/in the/at edges/nns of/in the/at template/nn on/in all/abn sides/nns ./.
Mark/vb the/at specimen/nn at/in the/at outer/jj edges/nns of/in the/at template/nn with/in pen/nn and/cc indelible/jj ink/nn ;/. ;/.
also/rb place/vb three/cd dots/nns on/in the/at specimen/nn at/in each/dt side/nn of/in the/at 10/cd inch/nn square/nn ,/, one/cd dot/nn at/in midpoint/nn ,/, and/cc one/cd at/in approximately/rb 1/2/cd inch/nn from/in each/dt corner/nn ./.
Measure/vb and/cc record/vb ./.
Circular/jj-hl knitted/vbn-hl fabrics/nns-hl to/to-hl be/be-hl subjected/vbn-hl to/in-hl restorative/jj-hl procedure/nn-hl 2/cd-hl ,/,-hl (/(-hl knit/nn-hl shrinkage/nn-hl gauge/nn-hl )/)-hl ./.-hl

Each/dt specimen/nn is/bez approximately/rb 16/cd inches/nns square/jj ./.
The/at markings/nns consist/vb of/in a/at centrally/rb located/vbn 10/cd inch/nn diameter/nn measuring/vbg circle/nn and/cc a/at 14/cd inch/nn diameter/nn circle/nn of/in 20/cd dots/nns equidistantly/rb spaced/vbn (/( See/vb Figure/nn-tl 1/cd-tl )/) ./.
Garments/nns-hl ./.-hl

Critical/jj measurements/nns in/in length/nn and/cc width/nn directions/nns should/md be/be taken/vbn before/in and/cc after/in washing/vbg-hl ,/,-hl drying/vbg ,/, and/cc restorative/jj procedures/nns ./.



Procedure/nn-hl 
washing/vbg --/-- 
The/at washing/vbg procedures/nns are/ber summarized/vbn in/in Table/nn-tl 2/cd-tl ./.


	Place/vb the/at specimen/nn in/in the/at wash/nn wheel/nn with/in sufficient/jj other/ap similar/jj fabric/nn to/to make/vb a/at dry/jj load/nn of/in Af/nn pounds/nns ./.
Start/vb the/at wash/nn wheel/nn and/cc note/vb the/at time/nn ./.
Immediately/rb add/vb water/nn at/in 100/cd -/in 105-degrees-F/nns (/nil 38/nil -/nil 43*0C./nil )/nil to/in the/at wheel/nn to/in a/at level/nn of/in Af/nn inches/nns ;/. ;/.
this/dt level/nn will/md be/be increased/vbn by/in condensed/vbn steam/nn ./.
When/wrb this/dt water/nn level/nn has/hvz been/ben reached/vbn ,/, inject/vb steam/nn into/in the/at wheel/nn until/cs the/at temperature/nn reaches/vbz that/dt shown/vbn in/in Column/nn-tl B/np-tl of/in Table/nn-tl 2/cd-tl ./.
Add/vb sufficient/jj soap/nn (/( and/cc softener/nn if/cs required/vbn to/to counteract/vb hard/jj water/nn )/) to/to furnish/vb a/at good/jj running/vbg suds/nns ,/, or/cc if/cs desired/vbn use/vb a/at synthetic/jj detergent/nn ./.
Test/nn-tl-hl 1/cd-tl-hl ,/, 
--/-- Stop/vb the/at wash/nn wheel/nn at/in the/at end/nn of/in the/at time/nn shown/vbn in/in Column/nn-tl A/np-tl of/in Table/nn-tl 2/cd-tl ,/, and/cc drain/vb ./.
Refill/vb the/at machine/nn to/in a/at level/nn of/in Af/nn inches/nns with/in water/nn at/in 100/cd -/in 109-degrees-F/nns (/nil (/( 38/nil -/nil 43*0/nil C./nil )/nil and/cc start/vb the/at machine/nn ./.
Inject/vb steam/nn ,/, if/cs necessary/jj ,/, to/to reach/vb the/at temperature/nn shown/vbn in/in Column/nn-tl D/np-tl of/in Table/nn-tl 2/cd-tl ./.
Again/rb stop/vb the/at machine/nn at/in the/at end/nn of/in the/at time/nn shown/vbn in/in Column/nn-tl C/np-tl of/in Table/nn-tl 2/cd-tl ./.
This/dt procedure/nn is/bez repeated/vbn for/in the/at second/od rinse/nn ,/, using/vbg the/at temperatures/nns and/cc time/nn shown/vbn in/in Columns/nns-tl F/np-tl and/cc E/np-tl of/in Table/nn-tl 2/cd-tl ./.
Tests/nns-tl-hl 2/cd-hl ,/,-hl 3/cd-hl ,/,-hl ,/, ,/, and/cc-hl 4/cd-hl ./.-hl

--/-- Run/vb the/at machine/nn continuously/rb until/in completion/nn of/in the/at test/nn ./.
Drain/vb off/rp the/at soap/nn solution/nn of/in the/at suds/nns cycle/nn at/in such/abl a/at time/nn that/cs the/at wheel/nn has/hvz become/vbn substantially/rb empty/jj of/in soap/nn and/cc water/nn at/in the/at end/nn of/in the/at time/nn shown/vbn in/in Column/nn-tl A/np-tl of/in Table/nn-tl 2/cd-tl ,/, ,/, measured/vbn from/in the/at time/nn the/at wash/nn wheel/nn was/bedz started/vbn ./.
Refill/vb the/at machine/nn to/in a/at level/nn of/in Af/nn inches/nns with/in water/nn at/in 100/cd -/in 109-degrees-F/nns (/nil 38/nil -/nil 43*0C./nil )/nil ./.
When/wrb this/dt water/nn level/nn has/hvz been/ben reached/vbn ,/, inject/vb steam/nn until/cs the/at temperature/nn is/bez that/dt shown/vbn in/in Column/nn-tl Aj/np-tl ./.
Drain/vb off/rp the/at water/nn at/in such/abl a/at time/nn that/cs the/at wheel/nn has/hvz become/vbn substantially/rb empty/jj of/in water/nn at/in the/at end/nn of/in the/at sum/nn of/in the/at times/nns shown/vbn in/in Columns/nns-tl A/np-tl and/cc C/np-tl ,/, measured/vbn from/in the/at time/nn the/at wash/nn wheel/nn was/bedz started/vbn ./.
Immediately/rb refill/vb to/in a/at level/nn of/in Af/nn inches/nns with/in water/nn at/in 100/cd -/in 109-degrees-F/nns (/nil 38/nil -/nil 43*0C/nil )/nil ./.
When/wrb this/dt water/nn level/nn has/hvz been/ben reached/vbn inject/vb steam/nn until/cs the/at temperature/nn is/bez that/dt shown/vbn in/in Column/nn-tl Aj/np-tl ./.
Drain/vb off/rp the/at water/nn at/in such/abl a/at time/nn that/cs the/at wheel/nn has/hvz become/vbn substantially/rb empty/jj of/in water/nn at/in the/at end/nn of/in the/at sum/nn of/in the/at times/nns shown/vbn in/in Columns/nns-tl A/np-tl ,/, C/np-tl ,/, and/cc E/nn ,/, measured/vbn from/in the/at time/nn the/at wash/nn wheel/nn was/bedz started/vbn ./.