Xyoo 1951, ib lub tuam txhab hu ua Flexigrip, Inc. tau tsim los tsim thiab ua lag luam ib qholub zipper yaslos ntawm tib lub npe. Lub zipper no yog raws li ib pawg ntawm cov ntawv pov thawj, uas tau yuav los ntawm lawv tus tsim, Borge Madsen. Cov khoom pib rau Flexigrip thiab lwm yamcov zippers yas(xws li covcov zippers tsis muaj slider(toptite) uas tau tsim los ntawm Flexigrip) yog cov ntawv ntxig rau hauv cov ntawv tais ceev tseg thiab cov hnab ntawv tiaj tus. Tom qab ntawd, cov kev siv zog ua lag luam tau taw qhia rau cov khoom ntim khoom hauvcov hnab yas zipper, uas tau dhau los ua lub khw tseem ceeb rau cov khoom Flexigrip, Inc.. Xyoo 1961, Flexigrip, Inc. tau txais los ntawm lub tuam txhab Nyiv Pooj, Seisan Nippon Sha, uas tau tsim cov Minigrip-type.lub hnab yas zipper, txoj cai tsim khoom thiab muag khoom tshwj xeeb rau Tebchaws Meskas, raws li ntau yam ntawmlub zipper yasCov ntawv pov thawj Seisan. Ib lub tuam txhab uas muaj tib lub npe tau tsim los tsim thiab ua lag luamCov hnab me meXyoo 1964, Minigrip, Inc. tau sib tham txog daim ntawv tso cai tshwj xeeb rau kev lag luam khoom noj (cov khw loj) nrog Dow Chemical Company rau cov khoom Minigrip. Nws tau ua tiav zoo heev.
Lub sijhawm ntawd,cov hnab yastau raug tsim tawm hauv 25 lub tebchaws ntawm qhov ceev ntawm 30 ko taw ib feeb, tab sis tsis muaj ib qho muag rau cov neeg siv khoom vim tias lawv kim heev rau kev tsim khoom. Dow tau muab ib tus ntawm lawv cov neeg tsim khoom, R. Douglas Behr, los tsim cov txheej txheem ceev ceev thiab ua haujlwm tau zoo. Muaj kev paub dhau los me ntsis hauvcov yas, txoj haujlwm no nyuaj rau Behr tab sis nws dhau txhua tus neeg hauv ntiaj teb hauv ib xyoos. Thaum nws txhim kho cov txheej txheem thiab nce qhov ceev ntawm kab mus rau 60, tom qab ntawd 90, tom qab ntawd 150 thiab thaum kawg 300 ko taw ib feeb hauv xyoo 1972, nws yuav tsum tsim cov khoom siv tshiab. Qee qhov tau txais patent thiab qee qhov tau khaws cia ua cov lus zais lag luam los ntawm Dow. Thaum kawg, lwm tus neeg tshawb fawb thiab cov neeg ua haujlwm tsim khoom, xws li tus kws kho mob hauv chaw kuaj mob William Shrum thiab lwm tus, tau pab txhawb rau kev txhim kho cov txheej txheem, tab sis Behr tseem yog tus kws tshawb fawb tseem ceeb kom txog thaum nws so haujlwm hauv xyoo 1993 ua tus kws tshawb fawb laus. Lub sijhawm ntawd lub tsev tshawb fawb yog "Muab rau Kev Lees Paub Txog Kev Ua Haujlwm Zoo ntawm R. Douglas Behr".
Qhov ntawd'tsis muaj qhov tsis ntseeg ntawd. Txij li thaumXyoo 1978, Minigrip tau raug yuav los ntawm Signode, Inc. thiab tau los ua ib lub tuam txhab me ntawm lub tuam txhab ntawd. Xyoo 1986, Signode thiab Dow tau tsim ib lub tuam txhab, hu ua Zippak, los tsimlub hnab zipperrau cov khoom noj khoom haus. Xyoo 1987, ITW tau txais Signode, thiab Minigrip tau los ua ib lub tuam txhab me ntawm ITW. Xyoo 1991, ITW tau txais Dow qhov kev koom tes hauvZippakyog li ntawdZippaktau los ua ib lub tuam txhab me me ntawm ITW. Zippak tsim tawmcov zippers yasrau qhovkev lag luam ntim khoom nojTxij thaum pib tsim los txog niaj hnub no, Flexigrip/Minigrip/Zippak/Dow/Dow Brands tau txais ntau tshaj 300 daim ntawv pov thawj raucov zippers yas, lub hnab zipper, thiab cov txheej txheem thiab cov tshuab ntawm kev tsim cov khoom no. Xyoo 1997, Dow Chemical tau muag cov cai ntawm DowBrands, uas suav nrog Ziploc, rau SC Johnson rau ntawm $ 1.3 thiab $ 1.7 billion. Zip-Pak tau tsim cov zippers sib xws Polypropylene hauv xyoo 2003.
Txawm li cas los xij ibmongZiplocthiabZippak'sCov neeg sib tw yog Presto, ib lub tuam txhab me ntawm Reynolds, thiab Pactiv. Xyoo 1995, Hefty, ib qho ntawm Reynolds cov khoom tuav, tau tawm los nrog kev swblub hnab zipper.
Cov khoom
Ziploc tau nthuav lawv cov khoom mus rau ntau tshaj li cov hnab sandwich xwb. Cov khoom Ziploc tam sim no sib txawv ntawm cov hnab freezer mus rau cov thawv twist n' loc. Lawv muaj cov hnab hauv qab uas nthuav tau uas sawv ntawm lawv tus kheej. Lawv kuj muaj cov hnab loj. Cov hnab no yog siv rau kev khaws cia tsis yog khoom noj thiab loj li 2 ft los ntawm 2.7 ft (0.61 m × 0.82 m). Cov hnab zip n' steam yog siv los ua zaub mov hauv lub microwave. Cov hnab totes uas yoog tau ua los ntawmZiplocsiv rau kev khaws cia khoom uas tsis yog khoom noj thiab loj txog li 22 nkas loos Asmeskas. Tsis ntev los no, Ziploc tau tsim cov kab sandwich thiab cov hnab khaws cia uas tau hloov zuj zus. Tag nrho cov hnab hauv kab no yog ua los ntawm 25% yas tsawg dua thiab yog tsim los ntawm kev siv lub zog cua. Lub hnab sandwich Ziploc Evolve tau ua tiav zoo heev uas nws tau suav hais tias yog "Zoo Tshaj Plaws hauv Kev Ua Yeeb Yam" ntawm 2010 Cov Khoom Plig Khoom Tshiab Zoo Tshaj Plaws hauv Canada.
Kev tshaj tawm
SC Johnson thiab Tub siv kev tshaj tawm hauv online, sib tham, thiab tshaj tawm hauv TV rau lawv cov khoom Ziploc. Cov kev tshaj tawm khiav hauv: Brazil, Lub Tebchaws Yelemees, Thaib, Tebchaws Meskas thiab ntau lwm lub tebchaws. Ziploc tus thawj coj kev lag luam yog Scott Heim uas yog tus saib xyuas lawv cov phiaj xwm tshaj tawm ntau lab daus las. Xyoo 2002, SC Johnson & Tub tau pib nws txoj kev sib tw loj tshaj plaws hauv keeb kwm, kev sib tw $ 50 lab ntxiv los tsim cov kab tshiab ntawm cov khoom siv tais diav / khaws cia uas yuav muag hauv qab lub npe Ziploc. SC Johnson feem ntau tsom lawv cov phiaj xwm mus rau kev tshaj tawm hauv TV. Xyoo 2002, $ 35 lab tau muab rau kev sib tw hauv TV. Xyoo 2015, lawv tau tsim ib qho kev sib tw tshaj tawm nrog Tough Mudder los tshaj tawm rau cov niam tsev ntawm txoj kev taug kev.
Kev Tsim Khoom
Kev tsim khoom ntawmCov hnab Ziploctxawv ntawm cov khoom sib txawv. Cov cai tswjfwmZiploclub hnab cia khoom thiab lub tub yees yog ua los ntawmyas polyethylene.
Kev sib tw
Ziploc ntsib kev sib tw muaj zog los ntawm cov neeg sib tw xws li Glad, Hefty thiab ntau lub khw muag khoom lag luam uas yog tus tswv ntiag tug, generic,cov hnab yasthiab cov thawv. Raws li Jules Rose, tus thawj coj ntawm Sloan's Supermarkets Inc. hauv New York City, hais tias: "Qhov no yog kev ua lag luam sib tw heev nrog ntau tus neeg ua si thiab muaj kev muag khoom muaj zog tsis zoo li qub." Xyoo 1992, Ziploc tau ntsib kev sib tw tam sim ntawd los ntawm kev muag khoom ntawm First Brands Corporation lub hnab Glad-Lock. Cov hnab Glad Lock tau dhia 13.1% hauv 12 lub lis piam thaum kawg ntawm xyoo 1992, ua rau Glad-Lock muaj 18.4% ntawm kev ua lag luam piv rau Ziploc's 43%.
Lub sijhawm tshaj tawm: Lub Kaum Hli-22-2022