Shin kun san tarihin ƙirƙirar jakunkunan takarda na kraft?

          

Jakunkunan marufi na takarda kraft an yi su ne da takardar katako mai cikakken launi. Don haka launin ya kasu kashi biyu: fari, da kuma rawaya, a kan takardar kraft.

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Ana iya shafa fim ɗin PP a kan takardar don kare ta daga ruwa. Haɗawa a kan takarda, bugawa da kuma haɗa jakar. An raba hanyoyin buɗewa da murfin baya zuwa rufe zafi, naɗe takarda da kuma gefuna.

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Idan ana maganar jakar siyayya ta farko don takardar kraft, an haife ta ne a shekarar 1908 a St. Paul, Minnesota, Amurka. Wani mai shagon kayan abinci na gida, Wald Duvena, ya fara neman hanyoyin da zai bai wa masu sayayya damar siya da yawa a lokaci guda domin haɓaka tallace-tallace. Duvina ta yi imanin cewa ya kamata ta zama jaka da aka riga aka yi wadda take da ƙarancin farashi kuma mai sauƙin amfani, kuma za ta iya ɗaukar aƙalla fam 75.

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Bayan gwaje-gwaje da aka maimaita, ya kulle yanayin wannan jakar a kan takardar kraft saboda an yi ta ne da conifers masu dogon zare na itace, kuma an yi mata magani da soda mai laushi da sinadarai masu sinadarin alkali sulfide yayin girki, wanda hakan ya sa ƙarfin asalin zaren itacen bai lalace ba, don haka takardar ƙarshe da aka samar tana da alaƙa sosai da zaren, kuma takardar tana da tauri kuma tana iya jure babban matsin lamba da matsin lamba ba tare da karyewa ba.

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Shekaru huɗu bayan haka, an haifi jakar takarda ta farko ta kraft don siyayya. Ƙasanta murabba'i ne kuma tana da girma fiye da jakunkunan takarda na gargajiya na ƙasan V. Igiya tana ratsa ƙasa da gefenta don ƙara ƙarfin ɗaukar kaya, kuma an samar da madaukai biyu na jan kaya a saman jakar takarda don sauƙin ɗagawa. Duvena ya sanya wa jakar siyayya suna da sunansa kuma ya ba ta haƙƙin mallaka a shekarar 1915. A wannan lokacin, yawan tallace-tallace na irin waɗannan jakunkunan siyayya na shekara-shekara ya wuce miliyan 100.

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Guangdong Chuangxin Packing Group ita ce kan gaba a fannin harkokin sufuri da marufi, musamman a fannin manyan kamfanoni masu fasaha, tare da bincike da ci gaba, samarwa, da tallace-tallace. Akwai alamun kasuwanci kamar Yinuo, zhonglan, Huanyuan, T.ronson,Crratrusrtda kuma fiye da haƙƙoƙin ƙirƙira guda 30. Tun lokacin da aka kafa ta a shekarar 2008, manufar kamfanoni ita ce "sanya duniya ta zama mai kyau a cikin yanayi da abokantaka" kuma ta himmatu wajen zama jagora a duniya a fannin kare muhalli - manyan kamfanoni 500 na duniya.


Lokacin Saƙo: Oktoba-13-2022