[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.koora.cz\/vite-co-je-to-protahovak\/#Article","mainEntityOfPage":"https:\/\/www.koora.cz\/vite-co-je-to-protahovak\/","headline":"V\u00edte, co je to protahov\u00e1k","name":"V\u00edte, co je to protahov\u00e1k","description":"Zn\u00e1te legend\u00e1rn\u00ed z\u00e1bavn\u00fd po\u0159ad s Ji\u0159\u00edm Krampolem s n\u00e1zvem \u201eNikdo nen\u00ed dokonal\u00fd\u201c? Pokud ne, pak v\u00e1m jen v kr\u00e1tkosti nadhod\u00edme, \u017ee tu pan Krampol pokl\u00e1dal kolemjdouc\u00edm na ulici ot\u00e1zky na r\u016fzn\u00e1 t\u00e9mata, a dozv\u00eddal se od lid\u00ed mnohdy a\u017e neuv\u011b\u0159iteln\u00e9 v\u011bci. Kdyby jim polo\u017eil ot\u00e1zku, co je to protahov\u00e1k neboli protahovac\u00ed trn, mo\u017en\u00e1 by to byl op\u011bt d\u016fvod k b\u00e1je\u010dn\u00e9 televizn\u00ed z\u00e1bav\u011b. N\u011bkte\u0159\u00ed lid\u00e9 by mo\u017en\u00e1 odhadovali, \u017ee jde o n\u011bjak\u00e9 n\u00e1\u010din\u00ed pro \u0161vadleny na protahov\u00e1n\u00ed gumy do tepl\u00e1k\u016f v pase, anebo by t\u0159eba n\u011bkdo p\u0159edpokl\u00e1dal, \u017ee je to cosi pro protahovac\u00ed cvi\u010den\u00ed na cvi\u010debn\u00edch podlo\u017ek\u00e1ch v r\u00e1mci j\u00f3gy. A <a class=\"read-more read-more-onhover\" href=\"https:\/\/www.koora.cz\/vite-co-je-to-protahovak\/\">Read More<\/a>","datePublished":"2024-04-15","dateModified":"2024-05-20","author":{"@type":"Person","@id":"https:\/\/www.koora.cz\/author\/#Person","name":"","url":"https:\/\/www.koora.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/a414941ff2b86a79f1a70a433f21d60df00047fefe742a46b6fded139881a475?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/a414941ff2b86a79f1a70a433f21d60df00047fefe742a46b6fded139881a475?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"koora.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.koora.cz\/wp-content\/uploads\/house-4516177_640_4.jpg","url":"https:\/\/www.koora.cz\/wp-content\/uploads\/house-4516177_640_4.jpg","height":0,"width":0},"url":"https:\/\/www.koora.cz\/vite-co-je-to-protahovak\/","about":["Nakupov\u00e1n\u00ed"],"wordCount":410,"articleBody":"   Zn\u00e1te legend\u00e1rn\u00ed z\u00e1bavn\u00fd po\u0159ad s Ji\u0159\u00edm Krampolem s n\u00e1zvem \u201eNikdo nen\u00ed dokonal\u00fd\u201c? Pokud ne, pak v\u00e1m jen v kr\u00e1tkosti nadhod\u00edme, \u017ee tu pan Krampol pokl\u00e1dal kolemjdouc\u00edm na ulici ot\u00e1zky na r\u016fzn\u00e1 t\u00e9mata, a dozv\u00eddal se od lid\u00ed mnohdy a\u017e neuv\u011b\u0159iteln\u00e9 v\u011bci. Kdyby jim polo\u017eil ot\u00e1zku, co je to protahov\u00e1k neboli protahovac\u00ed trn, mo\u017en\u00e1 by to byl op\u011bt d\u016fvod k b\u00e1je\u010dn\u00e9 televizn\u00ed z\u00e1bav\u011b. N\u011bkte\u0159\u00ed lid\u00e9 by mo\u017en\u00e1 odhadovali, \u017ee jde o n\u011bjak\u00e9 n\u00e1\u010din\u00ed pro \u0161vadleny na protahov\u00e1n\u00ed gumy do tepl\u00e1k\u016f v pase, anebo by t\u0159eba n\u011bkdo p\u0159edpokl\u00e1dal, \u017ee je to cosi pro protahovac\u00ed cvi\u010den\u00ed na cvi\u010debn\u00edch podlo\u017ek\u00e1ch v r\u00e1mci j\u00f3gy. A mo\u017en\u00e1, \u017ee by spr\u00e1vnou odpov\u011b\u010f neznal nikdo, dokud by pan Krampol nenarazil na ulici na zku\u0161en\u00e9ho stroja\u0159e.Protahovac\u00ed trn opravdu nen\u00ed ur\u010den ani pro \u0161vadleny, ani pro cvi\u010dence j\u00f3gy, jde skute\u010dn\u011b o stroj\u00edrensk\u00fd n\u00e1stroj, kter\u00fdm se vyr\u00e1b\u00ed obt\u00ed\u017en\u011b zhotoviteln\u00e9 otvory v r\u016fzn\u00fdch obrobc\u00edch. Typick\u00fdm p\u0159\u00edkladem vyu\u017eit\u00ed protahov\u00e1ku v praxi je v\u00fdroba vlo\u017eek do patentn\u00edch z\u00e1mk\u016f vchodov\u00fdch dve\u0159\u00ed do dom\u016f a byt\u016f. Jak jinak zhotovit n\u011bco tak slo\u017eit\u00e9ho, kde je otvor v z\u00e1mku nesoum\u011brn\u00fd a velmi tvarov\u011b rozmanit\u00fd? Protahovac\u00edm trnem m\u016f\u017eete vyrobit prakticky jak\u00fdkoli tvar otvoru, co v\u00e1s napadne, s ostr\u00fdmi \u00fahly (hv\u011bzdici), mnoho\u00faheln\u00edk, elipsu, r\u016fzn\u00e9 k\u0159ivky, zaoblen\u00ed atd. A jak takov\u00fd protahovac\u00ed trn https:\/\/www.i-nastroje.cz\/protahovaci-trny vlastn\u011b vypad\u00e1? Je to velmi speci\u00e1ln\u00ed dlouh\u00fd trn (ty\u010d), opat\u0159en\u00e1 zuby, kter\u00e9 postupn\u011b odeb\u00edraj\u00ed t\u0159\u00edsku, aby fin\u00e1ln\u00ed zuby doc\u00edlili p\u0159esn\u00e9ho po\u017eadovan\u00e9ho tvaru i rozm\u011bru. Trn se prot\u00e1hne skrze p\u0159edvrtan\u00fd otvor a t\u00edm vlastn\u011b proces obr\u00e1b\u011bn\u00ed kon\u010d\u00ed. Z\u0159ejm\u011b tu\u0161\u00edte, \u017ee trny jsou pom\u011brn\u011b drah\u00e9 n\u00e1stroje, a \u017ee se vyplat\u00ed p\u0159edev\u0161\u00edm pro s\u00e9riovou v\u00fdrobu, \u010d\u00edm\u017e se jejich zhotoven\u00ed tak\u00e9 zaplat\u00ed. Je tomu tak, proto ka\u017ed\u00fd, kdo protahovac\u00ed trny popt\u00e1v\u00e1, mus\u00ed m\u00edt p\u0159edem jasno ve sv\u00e9m v\u00fdrobn\u00edm programu, jak v\u00fdrobu v\u00e9st a financovat, aby byla rentabiln\u00ed.                                                                                                                                                                                                                                                                                                                                                                                          4\/5 - (5 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"V\u00edte, co je to protahov\u00e1k","item":"https:\/\/www.koora.cz\/vite-co-je-to-protahovak\/#breadcrumbitem"}]}]