拉链已经是现代时装中一道亮丽的风景线,它方便好用,简洁大方，受到人类的普遍喜爱。在享受拉链带给我们方便的同时，有没有想过拉链是怎么来的呢？下面这篇文章就将为您介绍一下拉链的来历。WhitcombL.Judsoninventedthezipper.YoumaywonderwhymostZippershavethelettersYKKonthem.Actually,YKKistheJapanesecompanythatmakesthem.WhitcombL.Judsonwasaloverofgadgetsandmachinesandtheideaforhis"clasplocker"camefromwhenafriendhadastiffbackfromtryingtofastenhisshoes.Judson'sclasplockerwasusedmostlyonmailbags,tobaccopouchesandshoes.However,hisdesign,likemostfirstinventionsneededtobefine-tuned.Amorepracticalversioncameonthescenein1913whenaSwedish-bornengineer,GideonSundbackrevisedJudson'sideaandmadehiswithmetalteethinsteadofahookandeyedesign.In1917,Sundbackpatentedhis"separablefastener."ThenamechangedagainwhentheB.F.GoodrichCo.useditinrubberboots,galoshes,andcalleditthe"zipper"becausethebootscouldbefastenedwithonehand.The1940sbroughtaboutresearchinEuropeofthecoilzipperdesign.Thefirstdesignwasofinterlockingbrasscoils.However,sincetheycouldbepermanentlybentoutofshape,makingthezipperstopfunctioning,itwasratherbadforbusinessandwasn'ttoopractical.Thenewdesignwasimprovedafterthediscoveryofstronger,moreflexiblesynthetics.Coilzipperseventuallyhitthemarketintheearly1960s.In1934,YoshidaKogyoKabushililaishawasfounded.SixtyyearslatertheychangedtheirnametoYKKCo.Theprivatelyownedfirm,headquarteredinJapan,nowismadeupof80companiesat206facilitiesin52countries.Ofcourse,thedemandforzippersisgreat.YKKmakeseverythingfromthedyedfabricaroundthezippertothebrassusedtomaketheactualdevice.gadget:小玩意tabaccopouch:烟袋fine-tuned:调整hookandeye:（起钮扣作用的）钩和孔galosh:橡胶套鞋synthetics:人造合成材料
