Iyo kraft mapepa ekurongedza mabhegi akavakirwa pane yakazara huni pulp bepa. Saka ruvara rwakakamurwa kuita chena kraft bepa uye yero print pane kraft bepa.
PP firimu rinogona kuiswa papepa kuti ridzivirire kubva mumvura. Layer, kudhinda uye bhegi kugadzira kubatanidzwa. Nzira dzekuvhura uye dzekumashure dzakakamurwa kuita chisimbiso chekupisa, kuputira mapepa uye edging.
Kana zvasvika kune yekutanga bhegi yekutenga kraft paper, yakaberekwa muna 1908 muSt. Paul, Minnesota, USA. Mumwe muridzi wechitoro chegirosari, Wald Duvena, atanga kutsvaga nzira dzekubvumidza vatengi kutenga zvakawanda panguva imwe chete kuti vawedzere kutengesa. Duvina anotenda kuti rinofanira kunge riri bhegi rakagara rakagadzirwa rine mutengo wakaderera uye riri nyore kushandisa, uye rinogona kutakura zvinosvika makumi manomwe neshanu mapaundi.
Mushure mekuedza kwakadzokororwa, akavhara kugadzirwa kwebhegi iri pakraft bepa nekuti rakagadzirwa kubva kumakoniferi ane hurefu hurefu hwehuni, uye akabatwa neakapfava caustic soda uye alkali sulfide kemikari panguva yekubika, zvichiita Simba rekutanga rehuni fiber harina kukuvadzwa, saka bepa rekupedzisira rinogadzirwa rakabatana zvakasimba nefiber, uye pepa racho rakaoma uye rinogona kumira pasina kuputsa kukuru uye kumanikidzwa.
Makore mana gare gare, yekutanga kraft paper bag yekutenga yakazvarwa. Pazasi payo ine rectangular uye ine vhoriyamu yakakura kupfuura yechinyakare V-pasi mapepa emabhegi. Tambo inomhanya nepasi payo nemumativi kuti iwedzere kutakura mutoro wayo, uye zvishwe zviviri zvekudhonza zvinoumbwa kumucheto kwepamusoro kwebhegi rebepa kuti risimudze nyore. Duvena akatumidza bhegi rekutenga muzita rake uye akaripa patent muna 1915. Panguva ino, huwandu hwekutengesa hwepagore hwemabhegi ekutenga akadaro hwakapfuura mamirioni zana.
Guangdong Chuangxin Packing Group ndiyo inotungamira muindasitiri yezvekurongedzerwa uye kurongedza mabhizinesi ehunyanzvi hwepamusoro ane tsvakiridzo nekusimudzira, kugadzira, kutengesa .Kune zviratidzo zvechiratidzo zvakaita seYinuo,zhonglan, Huanyuan,Tronson,Crratrusrtuye anopfuura makumi matatu ekugadzira patents. Kubva payakavambwa muna 2008, chinangwa chekambani "ndechokuita kuti nyika ive nehushamwari uye hushamwari" uye yakazvipira kuve mutungamiri wepasi rose mukurongedza kwekuchengetedza kwezvakatipoteredza - mabhizinesi epamusoro mazana mashanu epasi rose.
Nguva yekutumira: Oct-13-2022





