pahiya

chitr:FirestoneTire.jpeg
gaadiyon mein lagaaya jaane wala tyre
ek kharaab hua tyre jismein steel ki plaai dikh rahi hai.

tyre ek chhalle ke aakaar ka aavaran hota hai jise kisi vaahan ke pahiye par uske sanrakshan aur jab yeh jameen ke saath nikat sampark mein ho tab us vaahan ki kaaryakushalata badhaane ke liye chadhaaya jaata hai. vaahan ke chalte samay yeh jhatakon ko sahan kar use ek lacheela aadhaar pradaan karta hai jo vaahan ki kaaryakushalata ko badhaata hai. tyre shabd hindi me angreji se aaya hai aur yeh angreji shabd 'ataayar' se nikla hai jiska arth vastr hota hai, to doosare shabdon me tyre ka arth ek pahiye ki poshaak hai.

banaavat

aadhunik tyre nirmaan mein mool roop se rabad, kapde aur vibhinn rasaayanik yaugik prayog me laaye jaate hain. inki rachanaatmak banaavat me paad aur kaaya shaamil hoti hai, jahaaain paad chalte samay karshan pradaan karta hai, vaheen kaaya poore vaahan ko sahaara deti hai. rabar ke aavishkaar se pehle lakdi se bane pahiyon par chadhi dhaatu ki patti hi tyre ka pehla sanskaran hai. tyre ka sabse haal ka aur lokapriya sanskaran vaatil ya vaayaveeya tyre hai, jisme tyre ke andar sanpeedit hava bhari jaati hai aur is hava se foola tyre vaahan ko ek gaddedaar aadhaar pradaan karta hai. vaatil tyre ka prayog kai vaahanon jaise ki cycle, motorcycle, car, truck, arthamoovars aur vimaanon me bhi kiya jaata hain.

itihaas

tyre ke itihaas par najar daalein to pata chalta hai ki shurooaati tyre lohe ke patton ke bane hote the, jinhein ghodaagaadiyon ya vaiganon ke lakdi ke pahiyon par chadhaaya jaata tha | bailagaadiyon mein abhi bhi is tarah ke lauh - taayaron ka istemaal hota hai | varsh 1844 mein Charles gudaiyar dvaara valkit rabar ke aavishkaar ke baad rabar ke aadhunik taayaron ke banane ki raah prashast hui | skontish injiniyr ronbart William thomasan ne varsh 1845 mein pehla nyoometik (vaayaveeya) tyre banaaya | haalaanki iske nirmaan va fiting mein kaafi ulajhanein thi, lihaaja yeh safal naheen raha | pehla vyaavahaarik roop se safal nyoometik tyre banaane ka shreya jonn bonyad Dunlop ko jaata hai, jinhonne varsh 1887 mein apne das varsheeya bete ki cycle ke liye ise ijaad kiya tha | unke tyre mein ledar ke haujapaaip ko tube ki tarah istemaal kiya gaya tha | iske kuchh samay baad hi rabar tube astitv mein aa gayi | jald hi in taayaron ka automobile mein bhi istemaal hone laga | beesaveen sadi ke shurooaati daur mein duniya ke vibhinn hisson mein anek tyre companiyaan astitv mein I, jon auto indastri ke saath-saath badhteen gayi | aaj duniya mein saalaana ek arab se jyaada taayaron ka nirmaan hota hai |

baahari kadiyaaain