Mbiri yamakina amtundu wa cylinder mold paper

Makina a pepala amtundu wa Fourdrinier anapangidwa ndi munthu wa ku France Nicholas Louis Robert m'chaka cha 1799, posakhalitsa munthu wachingelezi Joseph Bramah atapanga makina amtundu wa cylinder mold m'chaka cha 1805. patent, koma chilolezo cha Bramah sichinachitike. M'chaka cha 1807, bambo wina wa ku America dzina lake Charles Kinsey adaperekanso lingaliro la kupanga pepala la cylinder mold ndikupanga patent, komanso lingaliro ili silinagwiritsidwe ntchito ndikugwiritsidwa ntchito. M'chaka cha 1809, mwamuna wina wachingelezi dzina lake John Dickinson anaganiza zopanga makina a silinda ndi kulandira chilolezo, m'chaka chomwecho, makina oyambirira a nkhungu anapangidwa ndi kupangidwa mu mphero yake ya pepala. Dickinson's cylinder mold machine ndi mpainiya komanso chitsanzo cha silinda yamakono, amaonedwa ngati woyambitsa weniweni wa makina a pepala a cylinder mold ndi ofufuza ambiri.
Makina amtundu wa cylinder nkhungu amatha kupanga mitundu yonse ya mapepala, kuchokera ku ofesi yopyapyala ndi mapepala apanyumba kupita ku bolodi la pepala lakuda, lili ndi ubwino wa dongosolo losavuta, losavuta kugwiritsa ntchito, kugwiritsa ntchito mphamvu zochepa, malo ang'onoang'ono oyika ndi ndalama zochepa. Liwiro ndilotsalira kwambiri pamakina amtundu wa fourdrinier ndi makina amtundu wamawaya ambiri, akadali ndi malo pamakampani opanga mapepala masiku ano.
Malingana ndi mawonekedwe a chigawo cha cylinder mold and dryer, chiwerengero cha nkhungu za silinda ndi zowumitsira, makina a cylinder nkhungu amatha kugawidwa m'makina amodzi a silinda, makina owumitsira awiri, makina awiri a cylinder mold single dryer, makina owumitsira pawiri ya silinda iwiri ndi makina owumitsira ma cylinder angapo. Pakati pawo, makina a single cylinder mold single dryer amagwiritsidwa ntchito kwambiri popanga mapepala owonda mbali imodzi monga pepala la positi ndi mapepala apanyumba etc. Makina owumitsa awiri a cylinder mold double dryer amagwiritsidwa ntchito kwambiri popanga mapepala osindikizira olemera apakati, mapepala olembera, kukulunga. pepala ndi malata m'munsi pepala etc. Paper bolodi kulemera mkulu, monga makatoni woyera ndi bokosi bolodi makamaka kusankha Mipikisano yamphamvu nkhungu Mipikisano dryer pepala makina.