Nhoroondo yevacuum flasks inogona kurondwa kumashure kusvika pakupera kwezana ramakore rechi 19.Muna 1892, nyanzvi yefizikisi yekuScotland uye kemisiti Sir James Dewar akagadzira furasiki yekutanga yekutsvaira.Chinangwa chayo chepakutanga chaive chigaba chekuchengetera nekutakura magasi ane liquefied senge liquid oxygen.Iyo thermos ine madziro maviri egirazi akaparadzaniswa nenzvimbo yekutsvaira.Iyi vacuum inoshanda sechidziviriro, ichidzivirira kupisa kupisa pakati pezviri mukati meflask nenzvimbo yakatenderedza.Kugadzirwa kweDewar kwakaratidza kuti kunoshanda zvakanyanya mukuchengetedza tembiricha yezvinwiwa zvakachengetwa.Muna 1904, kambani yeThermos yakavambwa muUnited States, uye mhando ye "Thermos" yakave yakafanana nemabhodhoro ethermos.Muvambi wekambani iyi, William Walker, akaziva kugona kwekugadzirwa kweDewar uye akaigadzirisa kuti ishandiswe mazuva ese.Akawedzera sirivha-yakaputirwa mukati marongero kune maviri egirazi flasks, achiwedzera kuvandudza insulation.Nekuzivikanwa kwemabhodhoro ethermos, vanhu vakafambira mberi mukusimudzira mabasa avo.Mumakore ekuma1960, girazi rakatsiviwa nezvinhu zvakasimba zvakadai sesimbi isina tsvina nepurasitiki, zvichiita kuti mabhodhoro ethermos awedzere kusimba uye akakodzera kuita mabasa ekunze.Pamusoro pezvo, maficha akadai sema screw caps, kudira spouts uye zvibato zvakaunzwa kuti zvive nyore uye usability.Kwemakore, thermoses yave inoshandiswa zvakanyanya kuchengetedza zvinwiwa zvichipisa kana kutonhora.Tekinoroji yayo yekudzivirira yakashandiswa kune zvimwe zvakasiyana zvigadzirwa, senge makagi ekufambisa uye midziyo yechikafu.Nhasi, mabhodhoro e thermos anouya mumhando dzakasiyana-siyana, saizi uye zvinhu kuti zvienderane nezvinodiwa zvakasiyana uye zvaunofarira.
Nguva yekutumira: Aug-21-2023