Waba uzi kraft impapuro imifuka yamateka yiterambere?

          

Impapuro zipakira imifuka ishingiye kumpapuro zose zimbaho.Ibara rero rigabanijwemo impapuro zera zera hamwe n'umuhondo wanditse kumpapuro.

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Filime ya PP irashobora gukoreshwa kumpapuro kugirango irinde amazi.Igice, gucapa no gukora imifuka.Uburyo bwo gufungura no gufungura inyuma bigabanijwemo ubushyuhe, gupfunyika impapuro.

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Iyo bigeze ku gikapu cya mbere cyo guhaha ku mpapuro z'ubukorikori, cyavutse mu 1908 i St. Paul, muri Leta ya Minnesota, muri Amerika.Umwe mu bafite iduka ry’ibiribwa, Wald Duvena, yatangiye gushakisha uburyo bwo kwemerera abaguzi kugura icyarimwe icyarimwe kugirango bazamure ibicuruzwa.Duvina yemera ko igomba kuba umufuka wabanje gukorwa uhendutse kandi ukoreshwa byoroshye, kandi ushobora gutwara byibuze ibiro 75.

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Nyuma yubushakashatsi bwakorewe inshuro nyinshi, yafunze imiterere yiyi sakoshi ku mpapuro za kraft kuko yakozwe mu biti bifite fibre ndende, kandi yavuwe na soda yoroheje ya caustic na soda ya alkali sulfide mu gihe cyo guteka, bigatuma imbaraga zumwimerere za fibre yinkwi ari byangiritse cyane, bityo impapuro zanyuma zakozwe zifitanye isano rya fibre, kandi impapuro zirakomeye kandi zirashobora kwihanganira umuvuduko mwinshi nigitutu kitavunitse.

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Nyuma yimyaka ine, havutse umufuka wambere wimpapuro zo guhaha.Hasi yacyo ni urukiramende kandi ifite ubunini bunini kuruta imifuka ya V-munsi yimifuka.Umugozi unyura munsi yacyo no kumpande kugirango wongere ubushobozi bwo kwikorera imitwaro, kandi ibice bibiri bikurura bikorerwa kumpera yo hejuru yumufuka wimpapuro kugirango biterure byoroshye.Duvena yise igikapu cyo guhaha mu izina rye kandi aragitanga mu 1915. Muri iki gihe, igurishwa ry’umwaka ry’imifuka yo guhaha ryarenze miliyoni 100.

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Itsinda rya Packing Guangdong Chuangxin niryo riza ku isonga mu bikoresho no gutekesha inganda inganda zikorana buhanga zifite ubushakashatsi n’iterambere, umusaruro, kugurisha .Hariho ibimenyetso biranga ibicuruzwa nka Yinuo, zhonglan, Huanyuan, Tronson,Crratrusrthamwe na patenti zirenga 30.Kuva yashingwa mu 2008, intego z’amasosiyete ni “guhindura isi kurushaho kubungabunga ibidukikije no kubungabunga ibidukikije” kandi yiyemeje kuzaba umuyobozi w’isi ku isi mu gupakira ibidukikije - imishinga 500 ya mbere ku isi.


Igihe cyo kohereza: Ukwakira-13-2022