Ni opin awọn ọdun 1920, lakoko ibanujẹ nla ni Ilu Amẹrika, ijọba ti gbejade Ofin iyalẹnu kan: idinamọ. Idinamọ naa duro fun ọdun 14, ati pe awọn olupese igo ọti-waini wa ninu wahala kan lẹhin ekeji. Ile-iṣẹ Owens Illinois jẹ olupese igo gilasi ti o tobi julọ ni Amẹrika ni akoko yẹn. O le wo awọn ileru gilasi nikan ni pipa. Ni akoko yii, ọkunrin ọlọla kan, apaniyan ere, ṣẹlẹ lati kọja nipasẹ ileru gilasi kan o rii pe diẹ ninu gilasi olomi ti o ta silẹ ti fẹ sinu apẹrẹ okun. Awọn ere dabi bi Newton a lu ni ori nipa ohun apple, atigilasi okunti wa lori ipele ti itan lati igba naa.
Ni ọdun kan lẹhinna, Ogun Agbaye Keji ti jade, ati pe awọn ohun elo ti aṣa ko ṣọwọn. Lati le pade awọn iwulo ti imurasilẹ ija ologun, okun gilasi di aropo.
Awọn eniyan rii diẹdiẹ pe ohun elo ọdọ yii ni ọpọlọpọ awọn anfani - iwuwo ina, agbara giga, idabobo ti o dara, itọju ooru ati idabobo ooru. Nitorinaa, awọn tanki, ọkọ ofurufu, awọn ohun ija, awọn aṣọ ọta ibọn ati bẹbẹ lọ gbogbo wọn lo okun gilasi.
Okun gilasijẹ tuntun aiṣedeedeti kii-irin ohun elo, eyi ti a ṣe lati awọn ohun alumọni ti ara ẹni gẹgẹbi kaolin, pyrophyllite, iyanrin quartz ati limestone nipasẹ awọn ilana pupọ gẹgẹbi sisun otutu otutu, iyaworan okun waya ati yiyi ni ibamu si agbekalẹ kan. Iwọn ila opin monofilament rẹ wa laarin awọn micron pupọ ati diẹ sii ju 20 microns, eyiti o jẹ deede si 1 / 20-1 / 5 ti filament irun kan. Lapapo kọọkan ti iṣaju okun jẹ ti awọn ọgọọgọrun tabi paapaa ẹgbẹẹgbẹrun monofilaments.
Ile-iṣẹ okun gilasi ti China dide ni ọdun 1958. Lẹhin ọdun 60 ti idagbasoke, ṣaaju atunṣe ati ṣiṣi, o kun ṣe aabo aabo orilẹ-ede ati ile-iṣẹ ologun, lẹhinna yipada si lilo ilu, ati pe o ṣaṣeyọri idagbasoke iyara.
Akoko ifiweranṣẹ: Oṣu Kẹwa-11-2021
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