{"id":837,"date":"2024-07-10T15:35:33","date_gmt":"2024-07-10T13:35:33","guid":{"rendered":"https:\/\/presseoffset.fr\/?page_id=837"},"modified":"2025-02-12T17:25:17","modified_gmt":"2025-02-12T16:25:17","slug":"elementor-837","status":"publish","type":"page","link":"https:\/\/presseoffset.fr\/index.php\/elementor-837\/","title":{"rendered":""},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"837\" class=\"elementor elementor-837\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f3eec2f e-flex e-con-boxed e-con e-parent\" data-id=\"f3eec2f\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3c7f299 elementor-widget elementor-widget-spacer\" data-id=\"3c7f299\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.22.0 - 26-06-2024 *\/\n.elementor-column .elementor-spacer-inner{height:var(--spacer-size)}.e-con{--container-widget-width:100%}.e-con-inner>.elementor-widget-spacer,.e-con>.elementor-widget-spacer{width:var(--container-widget-width,var(--spacer-size));--align-self:var(--container-widget-align-self,initial);--flex-shrink:0}.e-con-inner>.elementor-widget-spacer>.elementor-widget-container,.e-con>.elementor-widget-spacer>.elementor-widget-container{height:100%;width:100%}.e-con-inner>.elementor-widget-spacer>.elementor-widget-container>.elementor-spacer,.e-con>.elementor-widget-spacer>.elementor-widget-container>.elementor-spacer{height:100%}.e-con-inner>.elementor-widget-spacer>.elementor-widget-container>.elementor-spacer>.elementor-spacer-inner,.e-con>.elementor-widget-spacer>.elementor-widget-container>.elementor-spacer>.elementor-spacer-inner{height:var(--container-widget-height,var(--spacer-size))}.e-con-inner>.elementor-widget-spacer.elementor-widget-empty,.e-con>.elementor-widget-spacer.elementor-widget-empty{position:relative;min-height:22px;min-width:22px}.e-con-inner>.elementor-widget-spacer.elementor-widget-empty .elementor-widget-empty-icon,.e-con>.elementor-widget-spacer.elementor-widget-empty .elementor-widget-empty-icon{position:absolute;top:0;bottom:0;left:0;right:0;margin:auto;padding:0;width:22px;height:22px}<\/style>\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2cb36fe elementor-widget elementor-widget-heading\" data-id=\"2cb36fe\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.22.0 - 26-06-2024 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">L'offset, comment \u00e7a marche ?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b2c5e7b e-grid e-con-boxed e-con e-parent\" data-id=\"b2c5e7b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-08433ca e-con-full e-flex e-con e-child\" data-id=\"08433ca\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b014fdd elementor-widget elementor-widget-text-editor\" data-id=\"b014fdd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.22.0 - 26-06-2024 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>La technique dite de <em>litho offset<\/em> est une impression \u00e0 plat, bas\u00e9e sur la r\u00e9pulsion d&rsquo;une encre grasse et de l&rsquo;eau.<\/p><p>Comme son nom l&rsquo;indique en anglais, l&rsquo;offset est une impression fonctionnant par report.<\/p><p>Des zones hydrophobes sur une plaque en m\u00e9tal, forment les zones devant \u00eatre imprim\u00e9es. L&rsquo;encre et l&rsquo;eau circulant sur la plaque pour cr\u00e9er un encrage parfait du motif, l&rsquo;encre vient par report (\u00ab\u00a0offset\u00a0\u00bb en anglais) se d\u00e9poser sur un cylindre dit blanchet qui transf\u00e8re ensuite, \u00e0 son tour, l&rsquo;image sur le papier.<\/p><p>La ma\u00eetrise de l&rsquo;offset demande une connaissance approfondie de la machine, de facteurs m\u00e9caniques et chimiques, du papier utilis\u00e9&#8230; Mais \u00e9galement, en amont, un travail crucial de la trame utilis\u00e9e pour les plaques.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8623865 elementor-widget elementor-widget-image\" data-id=\"8623865\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.22.0 - 26-06-2024 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/presseoffset.fr\/wp-content\/uploads\/2025\/02\/Ok--1024x640.png\" class=\"attachment-large size-large wp-image-893\" alt=\"\" srcset=\"https:\/\/presseoffset.fr\/wp-content\/uploads\/2025\/02\/Ok--1024x640.png 1024w, https:\/\/presseoffset.fr\/wp-content\/uploads\/2025\/02\/Ok--300x188.png 300w, https:\/\/presseoffset.fr\/wp-content\/uploads\/2025\/02\/Ok--768x480.png 768w, https:\/\/presseoffset.fr\/wp-content\/uploads\/2025\/02\/Ok-.png 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d44c9d7 e-flex e-con-boxed e-con e-parent\" data-id=\"d44c9d7\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1628166 elementor-widget elementor-widget-heading\" data-id=\"1628166\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Offset, \"litho offset\"... Quelques explications<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a189f43 e-flex e-con-boxed e-con e-parent\" data-id=\"a189f43\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-a5419ac e-con-full e-flex e-con e-child\" data-id=\"a5419ac\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c84213e elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"c84213e\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/presseoffset.fr\/wp-content\/uploads\/elementor\/thumbs\/IMG_0916-scaled-r1ei1leqygoe51395c7yfswpwj89zzm9k2epyeqwt4.jpeg\" title=\"IMG_0916\" alt=\"IMG_0916\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-afdbbc6 elementor-widget elementor-widget-text-editor\" data-id=\"afdbbc6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">L\u2019offset : un mot qui rec\u00e8le bien des myst\u00e8res, en raison des nombreuses \u00e9tapes qui se cachent derri\u00e8re ce seul terme\u2026<\/span><\/p><p><span style=\"font-weight: 400;\">Depuis sa cr\u00e9ation et au travers de ses \u00e9volutions, la fameuse machine offset s\u2019est impos\u00e9e comme la technique ultime d\u2019impression. Sous sa forme moderne, l\u2019offset reste encore aujourd&rsquo;hui un choix privil\u00e9gi\u00e9 dans l\u2019industrie graphique. Elle pr\u00e9sente de nombreux avantages : \u00e9conomique, rapide, 2 facteurs destin\u00e9s aux grandes quantit\u00e9s, qui ont \u00e9clips\u00e9 les avantages esth\u00e9tiques, d\u2019une qualit\u00e9 d\u2019impression extr\u00eamement fine.<\/span><\/p><p>Il ne faut pas oublier que ce que l&rsquo;on appelle offset est en r\u00e9alit\u00e9 de la\u00a0<em>lithographie offset<\/em>, c&rsquo;est simplement l&rsquo;\u00e9volution de la technique.<\/p><p>Invent\u00e9e au d\u00e9but du si\u00e8cle dernier, popularis\u00e9e par les impressions en quadrichromie (CMJN), on oublie trop souvent que c&rsquo;est une machine d&rsquo;impression en ton direct et au d\u00e9part con\u00e7ue pour des reproductions ma\u00eetris\u00e9es jusque dans les plus fins d\u00e9tails, ce qui laisse un champ d&rsquo;action graphique total.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7dba83d e-flex e-con-boxed e-con e-parent\" data-id=\"7dba83d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-7488aa3 e-con-full e-flex e-con e-child\" data-id=\"7488aa3\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f5bf21c elementor-widget elementor-widget-image\" data-id=\"f5bf21c\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/presseoffset.fr\/wp-content\/uploads\/2025\/02\/IMG_1353-scaled.jpeg\" class=\"attachment-large size-large wp-image-965\" alt=\"\" srcset=\"https:\/\/presseoffset.fr\/wp-content\/uploads\/2025\/02\/IMG_1353-scaled.jpeg 1920w, https:\/\/presseoffset.fr\/wp-content\/uploads\/2025\/02\/IMG_1353-225x300.jpeg 225w\" sizes=\"(max-width: 768px) 100vw, 768px\" 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https:\/\/presseoffset.fr\/wp-content\/uploads\/2025\/02\/IMG_1372-225x300.jpeg 225w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-19ad88b e-flex e-con-boxed e-con e-parent\" data-id=\"19ad88b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2b386a7 elementor-widget elementor-widget-video\" data-id=\"2b386a7\" data-element_type=\"widget\" data-settings=\"{&quot;video_type&quot;:&quot;hosted&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.22.0 - 26-06-2024 *\/\n.elementor-widget-video .elementor-widget-container{overflow:hidden;transform:translateZ(0)}.elementor-widget-video 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controlsList=\"nodownload\"><\/video>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>L&rsquo;offset, comment \u00e7a marche ? La technique dite de litho offset est une impression \u00e0 plat, bas\u00e9e sur la r\u00e9pulsion d&rsquo;une encre grasse et de l&rsquo;eau. Comme son nom l&rsquo;indique en anglais, l&rsquo;offset est une impression fonctionnant par report. Des zones hydrophobes sur une plaque en m\u00e9tal, forment les zones devant \u00eatre imprim\u00e9es. L&rsquo;encre et [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":964,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-837","page","type-page","status-publish","has-post-thumbnail","hentry"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/presseoffset.fr\/index.php\/wp-json\/wp\/v2\/pages\/837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/presseoffset.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/presseoffset.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/presseoffset.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/presseoffset.fr\/index.php\/wp-json\/wp\/v2\/comments?post=837"}],"version-history":[{"count":45,"href":"https:\/\/presseoffset.fr\/index.php\/wp-json\/wp\/v2\/pages\/837\/revisions"}],"predecessor-version":[{"id":991,"href":"https:\/\/presseoffset.fr\/index.php\/wp-json\/wp\/v2\/pages\/837\/revisions\/991"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/presseoffset.fr\/index.php\/wp-json\/wp\/v2\/media\/964"}],"wp:attachment":[{"href":"https:\/\/presseoffset.fr\/index.php\/wp-json\/wp\/v2\/media?parent=837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}