Kev koom ua ke rau txoj haujlwm no yog Mason lub thawv, uas tau tsim nyob rau hauv 1858 los ntawm John Landis Mason, ib haiv neeg New Jersey. Lub tswv yim ntawm "cov kaus poom kub" tau tshwm sim hauv xyoo 1806 thiab tau nrov los ntawm Nicholas Appert, tus kws ua zaub mov Fabkis uas tau txais kev tshoov siab los ntawm kev xav tau khaws cov zaub mov rau lub sijhawm ntev thaum tsov rog Napoleonic.
Mason lub thawv qub yog dab tsi?
Nyob rau xyoo 1858, ib tug 26-xyoo-laus Mason patented threaded screw-top jars "xws li yog npaj los ua huab cua thiab dej nruj." Lub rhawv zeb mason tshaj plaws yog tsim los ntawm pob tshab aqua iav, thiab feem ntau hu ua "Crowleytown jars, "raws li ntau tus ntseeg tias lawv tau tsim thawj zaug hauv New Jersey lub zos ntawm Crowleytown.
Pob Mason hub tuaj qhov twg?
In 1858, a Vineland, New Jersey tinsmith hu ua John Landis Mason (1832–1902) tau tsim thiab patented ib lub taub hau iav los yog lub raj mis uas hu ua Mason hub. (U. S. Patent No. 22, 186.)
Thaum twg lub hnub qub Mason rhawv tsim?
Brief History of the 1858 jarsJohn Landis Mason tau txais patent 22186, tawm rau lub Kaum Ib Hlis 30, 1858 los ntawm US Patent & Trademark Office (ua tau patent tau raug hu ua "Kev txhim kho hauv lub raj mis-caj dab"), rau nws qhov kev tsim kho ntsig txog cov txheej txheem ntawm kev tsim cov threaded screw-type kaw ntawm lub raj mis thiab jars.
Vim li cas thiaj tsis muaj Mason hub?
"Qhov kev thov tau ua rau muaj kev txwv tsis pub xa khoom,ncua sij hawm ua cov hmoov lead thiab tsis ntev los no txwv cov khoom muaj nyob hauv khw muag khoom thiab online, "tus kws tshaj lij lub tuam txhab tau hais hauv nqe lus, raws li CNN.
