Mu 1951, kampani yotchedwa Flexigrip, Inc. inakhazikitsidwa kuti ikhale ndi malonda azipper pulasitikindi dzina lomwelo.Zipu iyi idakhazikitsidwa ndi ma patent, omwe adagulidwa kuchokera kwa omwe adayambitsa, Borge Madsen.Zogulitsa zoyamba za Flexigrip ndi zinazipper za pulasitiki(mongazipper opanda sliderless(toptite) amene anapangidwa ndi Flexigrip) anali looseleaf binder zoikamo ndi zikwama zafulati.Pambuyo pake, zoyesayesa zamalonda zidalunjikitsidwa pakupanga zinthu mkatimatumba apulasitiki a zipper, yomwe idakhala msika waukulu wazinthu za Flexigrip, Inc.Mu 1961, Flexigrip, Inc. analandira kuchokera ku kampani ya ku Japan, Seisan Nippon Sha, yemwe anatulukira mtundu wa Minigrip.thumba la zipper la pulasitiki, ufulu wopanga ndi kugulitsa ku United States, kutengera mndandanda wazipper pulasitikiMa Patents.Kampani yokhala ndi dzina lomweli idapangidwa kuti ipange ndikugulitsaZikwama zazing'ono.M'chaka cha 1964 kapena cha m'ma 1964, Minigrip, Inc. inakambirana za chilolezo chokhacho cha malonda a golosale (masitolo akuluakulu) ndi kampani ya Dow Chemical Company ya Minigrip.Zinakhala zopambana kwambiri.
Panthawi imeneyo,matumba apulasitikizinali kupangidwa m’maiko 25 pa liwiro la mzere wa mapazi 30 pamphindi, koma palibe imene inali kugulitsidwa kwa ogula chifukwa inali yodula kwambiri kupanga.Dow anapatsa mmodzi wa oyambitsa awo, R. Douglas Behr, kupanga njira yothamanga kwambiri, yogwira mtima.Kukhala ndi chidziwitso pang'ono mumapulasitiki, ntchitoyi inali yovuta kwa Behr koma adapambana aliyense padziko lapansi mkati mwa chaka chimodzi.Pamene adakonza ndondomekoyi ndikuwonjezera liwiro la mzere kufika pa 60, kenako 90, kenako 150 ndipo potsiriza mamita 300 pamphindi mu 1972, adayenera kupanga zida zatsopano.Ena anali ovomerezeka ndipo ena adasungidwa ngati zinsinsi zamalonda ndi Dow.Pambuyo pake, akatswiri ena ofufuza ndi kupanga, monga katswiri wa labu William Shrum ndi ena, adathandizira kuti ntchitoyi ichitike, koma Behr anapitirizabe kukhala wofufuza wamkulu mpaka adapuma pantchito mu 1993 monga wasayansi wamkulu wothandizira.Panthawiyo nyumba yofufuzirayo inali "Kupatulira Kuzindikira Ntchito Yolemekezeka ya R. Douglas Behr".
Kuti'palibe kukayika kuti.Kuyambira1978, Minigrip idagulidwa ndi Signode, Inc. ndipo idakhala gawo la kampaniyo.Mu 1986, Signode ndi Dow adapanga kampani, yotchedwa Zippak, kuti ikhalematumba a zipperza zakudya.Mu 1987, ITW idagula Signode, ndipo Minigrip idakhala gawo la ITW.Mu 1991, ITW idapeza chidwi cha DowZipakndicholinga chotiZipakidakhala gawo lathunthu la ITW.Zippak amapangazipper za pulasitikizamsika wogulitsa chakudya.Kuyambira pomwe idakhazikitsidwa mpaka lero, Flexigrip/Minigrip/Zippak/Dow/Dow Brands apeza ma patent opitilira 300 azipper za pulasitiki, matumba a zipper, ndi njira ndi makina opangira zomwezo.Mu 1997, Dow Chemical inagulitsa ufulu wa DowBrands, womwe unaphatikizapo Ziploc, kwa SC Johnson pakati pa $ 1.3 ndi $ 1.7 biliyoni. Zip-Pak inapanga zipper zogwirizana ndi Polypropylene mu 2003.
Komabe amongaZiplocndiZippak paopikisana nawo ndi Presto, wocheperapo wa Reynolds, ndi Pactiv.Mu 1995, Hefty, m'modzi mwa anthu omwe anali ndi Reynolds, adatuluka ndi makina otsetsereka.thumba la zipper.
Zogulitsa
Ziploc yakulitsa malonda awo kuposa matumba a masangweji.Zogulitsa za Ziploc tsopano zimasiyana kuchokera ku matumba oziziritsa kukhosi kupita ku zokhotakhota za n'loc.Ali ndi matumba apansi owonjezera omwe amadziyimira okha.Amakhalanso ndi matumba akuluakulu.Matumbawa amagwiritsidwa ntchito posungira zakudya zopanda chakudya ndipo ndi akulu ngati 2 ft ndi 2.7 ft (0.61 m × 0.82 m).Matumba a zip n' steam amagwiritsidwa ntchito kuphika chakudya mu microwave.Ma tote osinthika opangidwa ndiZiplocamagwiritsidwa ntchito posungira zakudya zopanda chakudya ndipo ndi aakulu ngati magaloni 22 aku US.Posachedwa, Ziploc yapanga mzere wosinthika wa masangweji ndi matumba osungira.Matumba onse omwe ali mumzerewu amapangidwa ndi pulasitiki yochepera 25% ndipo amapangidwa pogwiritsa ntchito mphamvu ya mphepo.Thumba la masangweji a Ziploc Evolve linali lopambana kwambiri moti linkaonedwa kuti ndilo "Best in Show" pa 2010 Best New Product Awards ku Canada.
Kutsatsa
SC Johnson ndi Son amagwiritsa ntchito zotsatsa zolembedwa, zapaintaneti, zolumikizana, komanso zotsatsa pawailesi yakanema pazogulitsa zawo Ziploc.Zotsatsa zimayendera: Brazil, Germany, Thailand, United States ndi mayiko ena ambiri.Mtsogoleri wazotsatsa wa Ziploc ndi Scott Heim yemwe amayendetsa kampeni yawo yotsatsa mamiliyoni ambiri.Mu 2002, SC Johnson & Son adayambitsa kampeni yake yayikulu kwambiri m'mbiri, kampeni yophatikiza $ 50 miliyoni yokhazikitsa mzere watsopano wazinthu zotayidwa zapa tebulo / zosungira kuti zigulitsidwe pansi pa dzina la mtundu wa Ziploc.SC Johnson amakonda kuyang'ana makampeni awo kunjira. za malonda a pa TV.Mu kampeni ya 2002, $35 miliyoni adaperekedwa ku kampeni yapa TV.Mu 2015, adapanga kampeni yotsatsa ndi Tough Mudder kuti alengeze kwa amayi kudzera munjira zolepheretsa.
Kupanga
Kupanga kwaMatumba a ziploczimasiyanasiyana pakati pa zinthu zosiyanasiyana.LamuloZiplocthumba losungiramo ndi mufiriji amapangidwa kuchokerapulasitiki ya polyethylene.
Mpikisano
Ziploc imayang'anizana ndi mpikisano wamphamvu kuchokera kwa omwe akupikisana nawo monga Glad, Hefty, ndi ena ambiri achinsinsi, ageneric, sitolo.matumba apulasitikindi zotengera.Monga momwe Jules Rose, tcheyamani wa Sloan’s Supermarkets Inc. ku New York City, ananenera kuti: “Uwu ndi msika wopikisana kwambiri wokhala ndi osewera ambiri komanso malonda amphamvu modabwitsa a zilembo zachinsinsi.”Mu 1992, Ziploc idakumana ndi mpikisano wadzidzidzi kuchokera ku malonda omwe adakula kwambiri a chikwama cha Glad-Lock cha First Brands Corporation.Matumba a Glad Lock adalumpha 13.1% m'masabata 12 kumapeto kwa 1992, zomwe zidapatsa Glad-Lock gawo la 18.4% pamsika poyerekeza ndi gawo la 43% la Ziploc.
Nthawi yotumiza: Oct-22-2022