{"id":105353,"date":"2023-09-09T08:14:00","date_gmt":"2023-09-09T06:14:00","guid":{"rendered":"http:\/\/www.zpravy.pivovary.info\/?p=105353"},"modified":"2025-01-29T09:38:25","modified_gmt":"2025-01-29T08:38:25","slug":"pivni-otviraky","status":"publish","type":"post","link":"https:\/\/www.pivovary.info\/?p=105353","title":{"rendered":"Pivn\u00ed otv\u00edr\u00e1ky"},"content":{"rendered":"

Pot\u0159eba otv\u00edr\u00e1k\u016f na lahve vyvstala se zaveden\u00edm korunkov\u00fdch uz\u00e1v\u011br\u016f. Otv\u00edr\u00e1ky pracuj\u00ed na principu jednoduch\u00e9 p\u00e1ky a v sou\u010dasnosti existuj\u00ed v mnoha podob\u00e1ch. D\u00edky sv\u00e9 nezbytnosti a ohromn\u00e9 popularit\u011b se staly v\u00fdhodn\u00fdm artiklem, ale tak\u00e9 d\u016fle\u017eitou sou\u010d\u00e1st\u00ed reklamn\u00edch kampan\u00ed. Mohou se jednodu\u0161e p\u0159izp\u016fsobovat pot\u0159eb\u00e1m a p\u0159\u00e1n\u00edm t\u011bch, jejich\u017e logo \u010di jm\u00e9no maj\u00ed n\u00e9st.
\nNejstar\u0161\u00edmi uz\u00e1v\u011bry lahv\u00ed byly korkov\u00e9 a d\u0159ev\u011bn\u00e9 uz\u00e1v\u011bry. Korkov\u00e9 z\u00e1tky jsou ostatn\u011b dodnes ve vina\u0159sk\u00e9m pr\u016fmyslu pova\u017eov\u00e1ny za nejlep\u0161\u00ed variantu zape\u010det\u011bn\u00ed obsahu lahve.<\/p>\n

V polovin\u011b 19. stolet\u00ed, kdy se za\u010daly v \u0161ir\u0161\u00edm m\u011b\u0159\u00edtku pou\u017e\u00edvat sklen\u011bn\u00e9 lahve, byli v\u00fdrobci nuceni \u0159e\u0161it tak\u00e9 o\u017eehav\u00fd probl\u00e9m jejich uzav\u00edr\u00e1n\u00ed. V roce 1856 byl vynalezen \u0161roubovac\u00ed uz\u00e1v\u011br s korkovou vlo\u017ekou, kter\u00e1 m\u011bla dokonale ut\u011bsnit hrdlo lahve. Tento v\u0161ak nevyhovoval po\u017eadavk\u016fm pivn\u00edho pr\u016fmyslu, a tak lahve s pivn\u00edm mokem byly od konce 19. stolet\u00ed uzav\u00edr\u00e1ny patentn\u00edm p\u00e1kov\u00fdm uz\u00e1v\u011brem, kter\u00fd byl v t\u00e9 dob\u011b vynalezen v\u00edde\u0148skou firmou Fritzner. Tento patent, hojn\u011b u\u017e\u00edvan\u00fd a\u017e do cca roku 1915, se skl\u00e1dal ze dvou pozinkovan\u00fdch nebo poc\u00ednovan\u00fdch dr\u00e1t\u016f sto\u010den\u00fdch do oblouku, kter\u00fd svou potenci\u00e1ln\u00ed energi\u00ed p\u0159en\u00e1\u0161enou na o\u010dka dr\u00e1t\u016f umo\u017e\u0148oval stla\u010dov\u00e1n\u00ed porcel\u00e1nov\u00e9ho uz\u00e1v\u011bru s kau\u010dukov\u00fdm t\u011bsn\u011bn\u00edm. Tento zp\u016fsob uzav\u00edr\u00e1n\u00ed pivn\u00edch lahv\u00ed se dodnes u n\u011bkter\u00fdch v\u00fdrobc\u016f objevuje.
\n\"\"
\nP\u016fvod lahvov\u00fdch uz\u00e1v\u011br\u016f tak, jak je zn\u00e1me dnes, se datuje do roku 1892, kdy William Painter p\u0159i\u0161el s nov\u00fdm jednor\u00e1zov\u00fdm uz\u00e1v\u011brem s korkovou vlo\u017ekou, kter\u00fd tvarem p\u0159ipom\u00ednal kr\u00e1lovskou korunu a odtud tedy jeho n\u00e1zev \u2013 korunkov\u00fd uz\u00e1v\u011br. Tento zp\u016fsob uzav\u00edr\u00e1n\u00ed lahv\u00ed po roce 1915 zcela p\u0159evl\u00e1dl, zvl\u00e1\u0161t\u011b d\u00edky masov\u00e9 produkci sklen\u011bn\u00fdch lahv\u00ed.<\/p>\n

V 60. letech 20. stolet\u00ed, byla korkov\u00e1 v\u00fdstelka uz\u00e1v\u011bru nahrazena podobnou, av\u0161ak levn\u011bj\u0161\u00ed ze syntetick\u00fdch materi\u00e1l\u016f. V sou\u010dasn\u00e9 dob\u011b jsou v naprost\u00e9 v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f pivn\u00ed lahve uzav\u00edr\u00e1ny bu\u010f jednor\u00e1zov\u00fdm korunkov\u00fdm uz\u00e1v\u011brem nebo \u0161roubovac\u00edm korunkov\u00fdm uz\u00e1v\u011brem, k jeho\u017e otev\u0159en\u00ed nen\u00ed zapot\u0159eb\u00ed otv\u00edr\u00e1ku.<\/p>\n","protected":false},"excerpt":{"rendered":"

Pot\u0159eba otv\u00edr\u00e1k\u016f na lahve vyvstala se zaveden\u00edm korunkov\u00fdch uz\u00e1v\u011br\u016f. Otv\u00edr\u00e1ky pracuj\u00ed na principu jednoduch\u00e9 p\u00e1ky a v sou\u010dasnosti existuj\u00ed v mnoha podob\u00e1ch. D\u00edky sv\u00e9 nezbytnosti a ohromn\u00e9 popularit\u011b se staly v\u00fdhodn\u00fdm artiklem, ale tak\u00e9...<\/p>\n","protected":false},"author":1,"featured_media":105358,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":25069,"footnotes":""},"categories":[262],"tags":[],"class_list":["post-105353","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pivni-toulky"],"_links":{"self":[{"href":"https:\/\/www.pivovary.info\/index.php?rest_route=\/wp\/v2\/posts\/105353","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pivovary.info\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pivovary.info\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pivovary.info\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pivovary.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=105353"}],"version-history":[{"count":0,"href":"https:\/\/www.pivovary.info\/index.php?rest_route=\/wp\/v2\/posts\/105353\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pivovary.info\/index.php?rest_route=\/wp\/v2\/media\/105358"}],"wp:attachment":[{"href":"https:\/\/www.pivovary.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=105353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pivovary.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=105353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pivovary.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=105353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}