Intsimbi ekuPakhelweni: Ilifa elomeleleyo

Ukususela kwiintsuku zokuqala zokugcinwa kwenyama kumkhosi kaNapoleon ukuya kwizikhongozeli ezinobugocigoci, ezinokuphinda zisetyenziswe ezisetyenziswa namhlanje, iinkonkxa zentsimbi ziye zadlala indima ebalulekileyo ekubumbeni ishishini lokutya lanamhlanje.

Intsimbi ethobekileyo inokuthi, eyona nto iphambili kwiipantries zethu, inembali etyebileyo esukela emva kweenkulungwane ezimbini. Ekuqaleni yaziswa ekuqaleni kwenkulungwane ye-19, intsimbi yakhethwa ukupakishwa ngenxa yamandla ayo kunye nokuqina.

Esi sigqibo siphawule inguqulelo ebalulekileyo yokugcina ukutya, eyenza ukuba ukutya kugcinwe kwaye kuthuthwe imigama emide ngaphandle kokonakala.

Imvelaphi yentsimbi ekupakishweni idibene nebali likaNicolas Appert, umqambi ongumFrentshi owafumanisa ukuba ukutya kunokugcinwa ngokutywina kwiibhotile kunye nokufudumeza-indlela yokuqala yokunkonkxa.

Ngaphandle kokusetyenziswa kweglasi okokuqala, ukutshintshela kwintsimbi kwakubalulekile. Ngo-1810, umrhwebi oliNgesi uPeter Durand wafumana ilungelo elilodwa lomenzi wokusetyenziswa kweenkonkxa zentsimbi ezigqunywe ngenkcenkce, eguqula ishishini.

Ezi toti zangaphambili zazenziwe ngamashiti entsimbi afakwe kwitoti etyhidiweyo, zavalwa ngesandla emva kokuzaliswa. Le ndlela, nangona ifuna abasebenzi abaninzi, yaba yinkqubela phambili yokugcina ukutya, ibeka inqanaba leenkqubo zokusasazwa kokutya kwihlabathi esithembele kuzo namhlanje.

Ukunkonkxa kokutya: inguqulelo enkulu

Impembelelo yomsebenzi kaNicolas Appert kunye nophuhliso olulandelayo lwe-tin canister ayikwazi ukugqithiswa. Ukutya okusemathinini kwaqala njengemfuneko yasemkhosini kodwa ngokukhawuleza kwaba yinto eqhelekileyo, evumela ukugcinwa okukhuselekileyo, ixesha elide lokutya okuhlukahlukeneyo ukusuka kwinyama kunye nemifuno ukuya kwiziqhamo kunye nobisi.

Inkqubo yokunkonkxa yaqala eBritani xa uBryan Donkin noJohn Hall bathenga i-patent yokunkonkxa baza baseka umzi-mveliso wokuqala ngo-1813.

Ugunyaziso lwasebukhosini nguKumkani uGeorge III lonyuse ukuthandwa kokutya okunkonkxiweyo, kwaye phakathi kwinkulungwane ye-19, ukunkonkxa kwakunwenwele eMelika nangaphaya.

Iteknoloji ye-Canning yavela ngokukhawuleza; ngasekupheleni kweminyaka yoo-1800, oomatshini banokuvelisa amawaka eenkonkxa ngeyure, ukuphucuka okukhulu kwiindlela ezenziwe ngesandla. Lo mlinganiselo wemveliso uguqule ishishini lokutya, wenza ukutya okugciniweyo kufikeleleke kwaye kufikeleleke kubemi ngokubanzi.

Kwakhona kwavuselela izinto ezintsha kwi-can design, kubandakanywa ukuqaliswa kweenqununu ezimbini kunye neziqwenga ezintathu, eziphucule ukusebenza kakuhle kunye nokukhuseleka kokutshiza.

Iinkqubo zetoti zanamhlanje kunye nozinzo

Iitoti zentsimbi zanamhlanje ziyimimangaliso yobunjineli, eyenzelwe ukuqina kunye nokuzinza. Ukwenziwa kwetoti yanamhlanje kubandakanya ubuchule obuntsonkothileyo obunjengokwaleka kwe-electrochemical kunye ne-electric seam welding, eziphucule kakhulu umgangatho kunye nokhuseleko lwempahla enkonkxiweyo.

Ukongezelela, iitoti zangoku zinokuba ne-lacquers okanye i-polymeric linings ukukhusela ukubola kunye nokukhusela ingqibelelo yezinto eziqulethwe kuzo.

Iitoti zentsimbi zibonelela ngeenzuzo ezininzi zokusingqongileyo. Ziyi-100% ezinokuphinda zisetyenziswe, kwaye amaxabiso okurisayiklishwa eYurophu angaphezulu kwe-72%. Inkqubo yokurisayikilisha iyasebenza, igcina umgangatho wesinyithi kunye nokunciphisa kakhulu indawo engqongileyo ehambelana nokuveliswa kwetoti.

Ngaphaya koko, ukutywinwa kwe-hermetic yeetoti kukhusela ukutya ekukhanyeni, ioksijini, kunye nokufuma, ukwandisa ubomi beshelufu ngaphandle kwesidingo sokugcinwa kunye nokunciphisa inkunkuma yokutya.

Ikamva lokupakishwa kwentsimbi

Ngaphandle kokhuphiswano oluvela kwizinto ezitsha ezifana neeplastiki kunye ne-aluminium, intsimbi ihlala ilitye lembombo kwishishini lokupakisha ngenxa yokuphinda isetyenziswe kunye nokhuseleko oluluqilima olunikezelayo.

Nangona kunjalo, ishishini kufuneka liqhubeke nokwenza izinto ezintsha ukuhlangabezana neemfuno eziguqukayo zabathengi kunye nemigangatho yokusingqongileyo. Ukunyuka kokuthengwa kohlaza kunye nokutyhala kwizisombululo zokupakisha ezizinzileyo kubangela imingeni kodwa kunye namathuba oshishino lwentsimbi.

Njengoko sijonge kwixesha elizayo, ukukwazi ukuziqhelanisa nentsimbi yentsimbi kuya kubaluleka. Ukuveliswa kwezinto ezintsha kunokwenza ukunciphisa ukusetyenziswa kwezinto ngelixa kugcinwa ukusebenza, okufana neziphelo ezivulekileyo kunye nokuphuculwa kokusebenza kwakhona, kuya kunceda intsimbi igcine ukubaluleka kwayo kwimarike ekhuphisanayo.

Ngaphezu koko, ukuqonda kunye nokusabela kwizinto ezikhethwa ngabathengi ngokutya okucutshungulwayo kunye nokutsha okutsha kuya kubaluleka.

Iitoti zentsimbi zibe yinxalenye yobonelelo lokutya kwethu iminyaka engaphezu kwama-200, ebonisa ukomelela okumangalisayo kunye nokuguquguquka.

Njengoko ishishini lokupakisha likhula, ukomelela kunye nokuzinza kwentsimbi kuya kuqhubeka kungamandla ayo amakhulu, ukuqinisekisa ukuba ihlala iyinxalenye ebalulekileyo yobomi bethu bemihla ngemihla.

Umthombo ovela Isango lokuPakisha

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