{"id":3993,"date":"2019-04-08T18:00:10","date_gmt":"2019-04-09T01:00:10","guid":{"rendered":"https:\/\/www.zojirushi.com\/blog\/?p=3993"},"modified":"2024-08-29T14:49:30","modified_gmt":"2024-08-29T21:49:30","slug":"design-explained-our-superior-vacuum-insulation","status":"publish","type":"post","link":"https:\/\/www.zojirushi.com\/blog\/design-explained-our-superior-vacuum-insulation\/","title":{"rendered":"Design Explained \u2013 Our Superior Vacuum Insulation"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Zojirushi has been in the vacuum\ninsulation business for over 100 years! The company opened its doors in Osaka\nas the Ichikawa Brothers Trading Company in 1918 manufacturing vacuum liners,\nand began manufacturing vacuum bottles in 1948. We\u2019ve been designing vacuum\ninsulated products since then!<\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"686\" height=\"543\" data-id=\"4034\" src=\"https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Glass-Liner-Cropped-2.jpg\" alt=\"\" class=\"wp-image-4034\" srcset=\"https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Glass-Liner-Cropped-2.jpg 686w, https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Glass-Liner-Cropped-2-300x237.jpg 300w, https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Glass-Liner-Cropped-2-379x300.jpg 379w\" sizes=\"auto, (max-width: 686px) 100vw, 686px\" \/><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Vacuum insulation is a specific type of\ninsulation that uses a man-made vacuum between two panels of materials, such as\nglass or stainless steel, so that the temperature of the fluids or gases on\neither side of the panels are isolated and don\u2019t affect each other. The concept\nof a vacuum insulated flask was originally developed in the West in 1892 by\nJames Dewar, a scientist who was interested in cryogenics and in developing\nsupercooled substances like liquid hydrogen. Dewar needed a way to keep the\nliquid hydrogen cool, so that it wouldn\u2019t evaporate, and came up with a vacuum\ninsulated flask made of two walls of glass. Vacuum insulated glass containers\nwere at the heart of Zojirushi\u2019s technology, until 1981, when we created our\nTUFFBOY line and patented the process to make vacuum insulated stainless steel\ncontainers. <\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"583\" height=\"508\" data-id=\"4020\" src=\"https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Vacuum-Insulation-Inner-and-Outer-Wall-1.jpg\" alt=\"\" class=\"wp-image-4020\" srcset=\"https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Vacuum-Insulation-Inner-and-Outer-Wall-1.jpg 583w, https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Vacuum-Insulation-Inner-and-Outer-Wall-1-300x261.jpg 300w, https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Vacuum-Insulation-Inner-and-Outer-Wall-1-344x300.jpg 344w\" sizes=\"auto, (max-width: 583px) 100vw, 583px\" \/><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Vacuum insulation has many benefits, which we\u2019ve incorporated into our bottles, mugs, food jars, and lunch jars since the first vacuum bottle. The first benefit is the superior insulation. Vacuum insulation prevents heat loss through conduction. Since the air <a>\u2013 <\/a>which is a conductor &nbsp;\u2013 is removed between the inner and outer layers of stainless steel, heat isn\u2019t transferred. In fact, a gap as small as 1 mm for the air can insulate the food or drink inside your container!<\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"892\" data-id=\"4050\" src=\"https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Conduction-Diagram-Cropped-6-1024x892.jpg\" alt=\"\" class=\"wp-image-4050\" srcset=\"https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Conduction-Diagram-Cropped-6-1024x892.jpg 1024w, https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Conduction-Diagram-Cropped-6-300x261.jpg 300w, https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Conduction-Diagram-Cropped-6-768x669.jpg 768w, https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Conduction-Diagram-Cropped-6-344x300.jpg 344w, https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Conduction-Diagram-Cropped-6.jpg 1461w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">If you remember from your school days, there are 2 other ways heat can transfer: radiation and convection. In a Zojirushi bottle, heat transfer is also prevented by insulating against radiant heat transfer. A thin sheet of aluminum or copper is wrapped around the outer surface of the inner layer to help reflect radiant heat.<\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter has-nested-images columns-default is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"892\" data-id=\"4030\" src=\"https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Radiation-Diagram-Cropped-1024x892.jpg\" alt=\"\" class=\"wp-image-4030\" srcset=\"https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Radiation-Diagram-Cropped-1024x892.jpg 1024w, https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Radiation-Diagram-Cropped-300x261.jpg 300w, https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Radiation-Diagram-Cropped-768x669.jpg 768w, https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Radiation-Diagram-Cropped-344x300.jpg 344w, https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Radiation-Diagram-Cropped.jpg 1461w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">And finally, heat transfer through convection is blocked by tightly sealing the lids on each of the products. For bottles, mugs, and food jars, the lid itself is equipped with a gasket to seal it onto the container, whereas lunch jars use a foam-insulated inner lid. Each of these three ways keeps food and beverages hot or cold for hours. <\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter has-nested-images columns-default is-cropped wp-block-gallery-5 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"895\" data-id=\"4028\" src=\"https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Convection-Diagram-Edited-1024x895.jpg\" alt=\"\" class=\"wp-image-4028\" srcset=\"https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Convection-Diagram-Edited-1024x895.jpg 1024w, https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Convection-Diagram-Edited-300x262.jpg 300w, https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Convection-Diagram-Edited-768x671.jpg 768w, https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Convection-Diagram-Edited-343x300.jpg 343w, https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Convection-Diagram-Edited.jpg 1461w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n<p>Along with managing heat transfer, using vacuum insulation makes all of our products lighter. Many thermal vessels use polystyrene foam or the addition of other materials to insulate, adding weight and bulk. Our vacuum insulation makes our products lighter and more compact.<\/p>\n<p>Our superior vacuum insulation makes it easy to choose your favorite bottle, mug, food jar, or lunch jar. Pick between a non-stick coated or <em>SlickSteel\u00ae<\/em> interior. Choose the right size and capacity. And select your favorite color. Check out our full line up in the <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/www.zojirushi.com\/index.html\">Products section<\/a><\/span>, and be sure to comment with any questions you might have.<\/p>","protected":false},"excerpt":{"rendered":"<p>Zojirushi has been in the vacuum insulation business for over 100 years! The company opened its doors in Osaka as the Ichikawa Brothers Trading Company in 1918 manufacturing vacuum liners, and began manufacturing vacuum bottles in 1948. We\u2019ve been designing vacuum insulated products since then! Vacuum insulation is a specific type of insulation that uses [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4016,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[570],"tags":[579,572,576,578,577,571,446,560,573,575,574,208,10],"class_list":["post-3993","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-design-explained","tag-designforsafety","tag-designinnovations","tag-elegantproductdesign","tag-engineereddesign","tag-engineeringandtech","tag-innovativedesign","tag-productdesign","tag-smartdesign","tag-steam","tag-usercentricdesign","tag-userfocuseddesign","tag-vacuuminsulation","tag-zojirushi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Design Explained \u2013 Our Superior Vacuum Insulation - Zojirushi Food &amp; Culture Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.zojirushi.com\/blog\/design-explained-our-superior-vacuum-insulation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Design Explained \u2013 Our Superior Vacuum Insulation\" \/>\n<meta property=\"og:description\" content=\"Zojirushi has been in the vacuum insulation business for over 100 years! The company opened its doors in Osaka as the Ichikawa Brothers Trading Company in 1918 manufacturing vacuum liners, and began manufacturing vacuum bottles in 1948. We\u2019ve been designing vacuum insulated products since then! Vacuum insulation is a specific type of insulation that uses [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.zojirushi.com\/blog\/design-explained-our-superior-vacuum-insulation\/\" \/>\n<meta property=\"og:site_name\" content=\"Zojirushi Food &amp; Culture Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/zojirushiusa\" \/>\n<meta property=\"article:published_time\" content=\"2019-04-09T01:00:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-08-29T21:49:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Glass-Liner-Cropped-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"686\" \/>\n\t<meta property=\"og:image:height\" content=\"686\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Zojirushi America Corporation\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@zojirushiusa\" \/>\n<meta name=\"twitter:site\" content=\"@zojirushiusa\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Zojirushi America Corporation\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.zojirushi.com\/blog\/design-explained-our-superior-vacuum-insulation\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.zojirushi.com\/blog\/design-explained-our-superior-vacuum-insulation\/\"},\"author\":{\"name\":\"Zojirushi America Corporation\",\"@id\":\"https:\/\/www.zojirushi.com\/blog\/#\/schema\/person\/dab91f185d78e3c0414a7174a6598b10\"},\"headline\":\"Design Explained \u2013 Our Superior Vacuum Insulation\",\"datePublished\":\"2019-04-09T01:00:10+00:00\",\"dateModified\":\"2024-08-29T21:49:30+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.zojirushi.com\/blog\/design-explained-our-superior-vacuum-insulation\/\"},\"wordCount\":482,\"commentCount\":6,\"publisher\":{\"@id\":\"https:\/\/www.zojirushi.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.zojirushi.com\/blog\/design-explained-our-superior-vacuum-insulation\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.zojirushi.com\/blog\/wp-content\/uploads\/2019\/03\/Glass-Liner-Cropped-1.jpg\",\"keywords\":[\"designforsafety\",\"designinnovations\",\"elegantproductdesign\",\"engineereddesign\",\"engineeringandtech\",\"innovativedesign\",\"productdesign\",\"smartdesign\",\"STEAM\",\"usercentricdesign\",\"userfocuseddesign\",\"vacuuminsulation\",\"Zojirushi\"],\"articleSection\":[\"Design Explained\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.zojirushi.com\/blog\/design-explained-our-superior-vacuum-insulation\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.zojirushi.com\/blog\/design-explained-our-superior-vacuum-insulation\/\",\"url\":\"https:\/\/www.zojirushi.com\/blog\/design-explained-our-superior-vacuum-insulation\/\",\"name\":\"Design Explained \u2013 Our Superior Vacuum Insulation - Zojirushi Food &amp; 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