Amateka y'ibikombe

Amateka yibikombe byimpapuro anyura mubyiciro bine: ibikombe bya conic / byashimishije ibikombe byambere impapuro zambere zari conic, zakozwe nintoki, zifatanije hamwe, byoroshye gutandukana, kandi byabaye ngombwa ko zikoreshwa vuba bishoboka.Nyuma, ibikombe byiziritse byongewe kurukuta rwuruhande kugirango byongere imbaraga zinkuta zuruhande hamwe nigihe kirekire cyigikombe, ariko biragoye gucapa ibishushanyo hejuru yibi bice, kandi ingaruka ntabwo ari nziza cyane.Igikombe cya Waxed Paper mu 1932, igikombe cya mbere cyibishashara cyibishashara cyasohotse, ubuso bwacyo burashobora gucapishwa kumashusho atandukanye meza, kunoza ingaruka zo kuzamurwa.Ku ruhande rumwe, ibishashara bitwikiriye ku gikombe cy'impapuro birashobora kwirinda guhura bitaziguye hagati y'ibinyobwa n'ibikoresho by'impapuro, kandi birashobora kurinda ibifatika kandi bikongerera igihe kirekire igikombe cy'impapuro;kurundi ruhande, byongera umubyimba wurukuta rwuruhande, kuburyo imbaraga zigikombe cyimpapuro ziyongera cyane, bityo, gukoresha impapuro zikenewe mugukora ibikombe byimpapuro zikomeye biragabanuka, nigiciro cyumusaruro kiragabanuka.Mugihe ibikombe byashashara bihinduka ibikoresho byibinyobwa bikonje, abantu nabo bizeye gukoresha ibikoresho byoroshye kubinyobwa bishyushye.Nyamara, ibinyobwa bishyushye bizashonga ibishashara hejuru yigikombe, umunwa wiziritse uzatandukana, bityo igikombe rusange cyometseho ibishashara ntigikwiye gufata ibinyobwa bishyushye.

Igikombe kigororotse-cyikubye kabiri, murwego rwo kwagura ibikorwa, mumwaka wa 1940, Igikombe-kigororotse cyikubye kabiri cyerekanwe kumasoko.Igikombe cyimpapuro nticyoroshye gutwara gusa, ariko kandi kirashobora gukoreshwa mugutwara ibinyobwa bishyushye.Icyakurikiyeho, ababikora muri ibi bikombe basize hamwe na latex kugirango bapfundikire impapuro hamwe na "Cardboard impumuro nziza" no gushimangira igikombe cyo kumeneka.Igikombe kimwe cyibishashara cyashizweho na latex gikoreshwa cyane mumashini zicuruza gufata ikawa ishyushye.Ibikombe bitwikiriye impapuro, ibigo bimwe byibiribwa byatangiye gukora polyethylene yometse ku ikarito kugirango byongere inzitizi no gufunga impapuro.Kubera ko gushonga kwa polyethylene biri hejuru cyane kuruta ibishashara, ubwoko bushya bwikinyobwa cyibinyobwa bwanditseho polyethylene burashobora gukoreshwa mu gufata ibinyobwa bishyushye.Muri icyo gihe, gutwikira polyethylene kuruta ibishashara byumwimerere bitwikiriye neza, bizamura isura yibikombe.Mubyongeyeho, tekinoroji yo gutunganya kuruta gukoresha uburyo bwo gutwikira latex ihendutse kandi byihuse.