Mekotla ea ho paka ea pampiri ea kraft e thehiloeng holim'a pampiri e felletseng ea lehong.Kahoo 'mala o arotsoe ka pampiri e tšoeu ea kraft le khatiso e mosehla pampiring ea kraft.

Filimi ea PP e ka sebelisoa pampiring ho e sireletsa metsing.Ho kopanya, ho hatisa le ho etsa mekotla.Mekhoa ea sekoahelo sa ho bula le ea morao e arotsoe ka ho tiisa mocheso, ho phuthela pampiri le ho edging.

Ha ho tluoa tabeng ea mokotla oa pele oa ho reka bakeng sa pampiri ea kraft, e hlahile ka 1908 St. Paul, Minnesota, USA.Mong'a lebenkele le leng la korosari, Wald Duvena, o se a qalile ho batla litsela tsa ho lumella bareki ho reka tse eketsehileng ka nako e le 'ngoe e le ho matlafatsa thekiso.Duvina o lumela hore e lokela ho ba mokotla o entsoeng esale pele o theko e tlase, o bonolo ho o sebelisa, 'me o ka jara bonyane liponto tse 75.

Ka mor'a liteko tse pheta-phetoang, o ile a notlela mokhoa oa mokotla ona pampiring ea kraft hobane e ne e entsoe ka li-conifers tse nang le likhoele tse telele tsa lehong, 'me o ne a phekoloa ka soda le lik'hemik'hale tsa alkali sulfide nakong ea ho pheha, ho etsa hore matla a pele a fiber ea lehong ke. e senyehileng hanyane, kahoo pampiri ea ho qetela e hlahisoang e hokahane ka thata le fiber, 'me pampiri e thata ebile e khona ho mamella tsitsipano e kholo le khatello ntle le ho robeha.

Lilemo tse 'nè hamorao, mokotla oa pele oa kraft oa ho reka o ile oa hlaha.Botlaaseng ba eona bo khutlonnetsepa 'me bo na le molumo o moholo ho feta mekotla ea pampiri e tloaelehileng ea V-bottom.Thapo e phunyeletsa ka tlase le mahlakoreng ho eketsa matla a eona a ho jara, 'me lihole tse peli li etsoa karolong e ka holimo ea mokotla oa pampiri bakeng sa ho phahamisa habonolo.Duvena o ile a reha mokotla oa ho reka ka lebitso la hae mme a o fa tokelo ea molao ka 1915. Ka nako ena, theko ea selemo le selemo ea mekotla e joalo ea mabenkele e fetile limilione tse 100.

Guangdong Chuangxin Packing Group ke eona e ka pele-pele ea likhoebo tsa thekenoloji e phahameng ea indasteri ea thepa le ho paka tse nang le lipatlisiso le nts'etsopele, tlhahiso, thekiso .Ho na le matšoao a khoebo a kang Yinuo,zhonglan, Huanyuan,T.ronson,Crratrusrtle dipatente tse fetang 30 tsa boqapi.Ho tloha ha e thehoa ka 2008, morero oa k'hamphani ke "ho etsa hore lefatše le be le botsoalle haholoanyane tikolohong le ho ba le botsoalle" 'me e ikemiselitse ho ba moetapele oa lefats'e oa liphutheloana tsa tšireletso ea tikoloho -e leng likhoebo tse 500 tse holimo ka ho fetisisa lefatšeng.