{"id":2344,"date":"2022-06-23T12:56:06","date_gmt":"2022-06-23T12:56:06","guid":{"rendered":"https:\/\/www.ranchrtecommerce.com\/blog\/?p=2344"},"modified":"2022-07-06T03:46:58","modified_gmt":"2022-07-06T03:46:58","slug":"manufacturing-of-glass-bottles","status":"publish","type":"post","link":"https:\/\/www.ranchrtecommerce.com\/blog\/manufacturing-of-glass-bottles\/","title":{"rendered":"MANUFACTURING OF GLASS BOTTLE: 3 STAGES"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Have you ever wondered how Glass bottles and <\/span><a href=\"https:\/\/www.ranchrtecommerce.com\/\"><span style=\"font-weight: 400;\">Glass jar manufacturing<\/span><\/a><span style=\"font-weight: 400;\"> takes place?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In today\u2019s blog you will get answers to all your questions related to <\/span><a href=\"https:\/\/www.ranchrtecommerce.com\/\"><span style=\"font-weight: 400;\">manufacturing of glass bottles<\/span><\/a><span style=\"font-weight: 400;\"> and jars.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Mainly,<\/span><a href=\"https:\/\/www.ranchrtecommerce.com\/\"><span style=\"font-weight: 400;\"> glass container production<\/span><\/a><span style=\"font-weight: 400;\"> in modern factories pass through three stages:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u00a0The Batch House stage<\/b><span style=\"font-weight: 400;\">\u00a0&#8211; deals with handling of the raw materials.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u00a0The Hot End stage<\/b><span style=\"font-weight: 400;\">\u00a0handles the manufacturing and moulding process \u2014 the forehearth, forming machines, and annealing ovens.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u00a0The Cold End stage<\/b><span style=\"font-weight: 400;\">&#8211; deals with product-inspection and packaging equipment.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u00a0 \u00a0Let\u2019s read about these three stages in detail.<\/span><\/p>\n<h2><b>Batch House Stage of Manufacturing of Glass Bottles\u00a0<\/b><\/h2>\n<p><b>Stage 1: Collection of Raw Material\u00a0<\/b><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-2362\" src=\"https:\/\/www.ranchrtecommerce.com\/blog\/wp-content\/uploads\/2022\/06\/12-11112.jpg\" alt=\"MANUMANUFACTURING OF GLASS BOTTLEFACTURING OF GLASS BOTTLE\" width=\"1080\" height=\"600\" srcset=\"https:\/\/www.ranchrtecommerce.com\/blog\/wp-content\/uploads\/2022\/06\/12-11112.jpg 1080w, https:\/\/www.ranchrtecommerce.com\/blog\/wp-content\/uploads\/2022\/06\/12-11112-980x544.jpg 980w, https:\/\/www.ranchrtecommerce.com\/blog\/wp-content\/uploads\/2022\/06\/12-11112-480x267.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1080px, 100vw\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Natural raw materials are used for <a href=\"https:\/\/www.ranchrtecommerce.com\/\">manufacturing of glass bottles<\/a> and <\/span><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.ranchrtecommerce.com\/categories\/glass-jar\/products\">glass jars for packaging<\/a>. <\/span><span style=\"font-weight: 400;\">These raw materials are Silica and Soda lime. These materials perform different functions like, soda is used for lowering the melting point of sand and lime helps in making the glass hard, shiny and durable. Cullet is broken glass which is obtained from the bottles rejected by manufacturers of glass bottles, from the recycling points, bottle banks or kerbside collection system. It is very beneficial in<\/span><a href=\"https:\/\/www.ranchrtecommerce.com\/categories\/glass-jar\/products\"><span style=\"font-weight: 400;\"> manufacturing of glass containers.<\/span><\/a><\/p>\n<p><b>Stage 2: Preparation of Batch\u00a0<\/b><\/p>\n<p><span style=\"font-weight: 400;\">The batch is prepared on a grinding machine. Raw material, cullet (shredded glass pieces) and decolourisers \/ colourisers are ground finely in a grinder. The next step is to properly weigh these ingredients in the correct proportions before mixing them together. The mixing of these ingredients is usually done in a mixer until a homogeneous mixture known as a batch or frit is obtained. Before being fed to the kiln, the batches are stored in large vertical silos. The batch is now taken for further process of melting in a furnace.<\/span><\/p>\n<h3><b>Hot End stage of <a href=\"https:\/\/www.ranchrtecommerce.com\/categories\/glass-jar\/products\">Manufacturing of Glass Bottles<\/a><\/b><\/h3>\n<p><b>Stage 3: Melting in Furnace\u00a0<\/b><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-2363\" src=\"https:\/\/www.ranchrtecommerce.com\/blog\/wp-content\/uploads\/2022\/06\/12-1113.jpg\" alt=\"MANUFACTURING OF GLASS BOTTLE\" width=\"1080\" height=\"600\" srcset=\"https:\/\/www.ranchrtecommerce.com\/blog\/wp-content\/uploads\/2022\/06\/12-1113.jpg 1080w, https:\/\/www.ranchrtecommerce.com\/blog\/wp-content\/uploads\/2022\/06\/12-1113-980x544.jpg 980w, https:\/\/www.ranchrtecommerce.com\/blog\/wp-content\/uploads\/2022\/06\/12-1113-480x267.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1080px, 100vw\" \/><\/p>\n<p><span style=\"font-weight: 400;\">The mixture continues to melt in a furnace heated to a temperature of about 1748 \u00b0C. The furnace operates 24 hours a day, 7 days a week and has a service life of approximately 1012 years. The raw material entering the furnace turns into glass containers in about a day. Molten glass is delivered to the forming machine through a series of distribution channels called forehearths. At the end of the forehearths, the flow of glass is cut into pieces that are tightly controlled by weight, shape and temperature<\/span><b>.<\/b><\/p>\n<p><b>Stage 4: Forming at Present<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Manufacturing of glass bottles is done by two methods: B&amp;B (Blow and Blow) process and NNPB (Narrow Neck Press and Blow) process. Both processes involve cutting a stream of molten glass with a cutting blade at a temperature of about 1,050\u20131,200 \u00b0C to form a rigid glass cylinder commonly referred to as a gob. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Please note that the gob is of predetermined weight, which is sufficient for manufacturing of glass bottle. Both B&amp;B and NNPB processes start with the falling of gob, by gravity, and are guided through chutes, into the blank moulds, Two halves of moulds are clamped shut and then sealed by the baffle from above. However, in the B&amp;B process, the parison is blown while in the latter, pressing forms the glass container parison.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If you want another blog on these two processes, comment below or let us know through the links mentioned further below.<\/span><\/p>\n<p><b>Stage 5: Annealing<\/b><\/p>\n<p><span style=\"font-weight: 400;\">To ensure the strength of a newly formed glass vessel, it must be heat treated and subjected to controlled and uniform cooling in a tunnel kiln known as an \u201cannealing lehr\u201d. This can take anywhere from 30 minutes to 2 hours. If the cooling is uneven, the load will weaken the glass. An annealing oven commonly known in the industry as a lehr heats the vessel to about 580\u00b0C and then cools it down for 20-60 minutes, depending on the thickness of the glass<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The Lehr is a moving conveyor with different temperature zones. To make<\/span><span style=\"font-weight: 400;\"> glass bottles<\/span><span style=\"font-weight: 400;\"> and <\/span><span style=\"font-weight: 400;\">glass jars<\/span><span style=\"font-weight: 400;\"> more scratch-resistant, they are usually treated with a hot applied top coat before entering the lehr and an additional coating as it cools as it leaves the lehr. This completes the<\/span><span style=\"font-weight: 400;\"> glass container manufacturing<\/span><span style=\"font-weight: 400;\"> process.<\/span><\/p>\n<ul>\n<li><b>Cold End stage of Manufacturing of Glass Bottles<\/b><\/li>\n<\/ul>\n<p><b>Stage 6: Coatings\u00a0<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Usually there are two surface coatings done on<\/span><span style=\"font-weight: 400;\"> glass bottles<\/span><span style=\"font-weight: 400;\"> and <\/span><span style=\"font-weight: 400;\">glass jars<\/span><span style=\"font-weight: 400;\">. The first one is done before annealing, at the hot end and the other one happens at the cold end, right after annealing.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A thin layer of tin oxide is applied to the hot end using a safe organic compound or inorganic stannic chloride. The tin-based systems are not the only solution, but they are the most widely used. Besides these, titanium tetrachloride or organo titanate can also be used. However, in all cases the coating makes the glass surface better adhere to the cold end coating. On the cold end, a layer of polyethylene wax is usually applied via an aqueous emulsion. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">They are also coated to prevent the containers from sticking together as they move along the conveyor. In other words, the coating gives the glass a virtually scratch-resistant surface. It is basically made of special glass. As a result of reducing surface damage during use, coatings are often described as hardening and less commonly as retaining strength coatings.<\/span><\/p>\n<p><b>Stage 7: Quality Inspection Machines\u00a0<\/b><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-2364\" src=\"https:\/\/www.ranchrtecommerce.com\/blog\/wp-content\/uploads\/2022\/06\/12-1114.jpg\" alt=\"MANUFACTURING OF GLASS BOTTLE\" width=\"1080\" height=\"600\" srcset=\"https:\/\/www.ranchrtecommerce.com\/blog\/wp-content\/uploads\/2022\/06\/12-1114.jpg 1080w, https:\/\/www.ranchrtecommerce.com\/blog\/wp-content\/uploads\/2022\/06\/12-1114-980x544.jpg 980w, https:\/\/www.ranchrtecommerce.com\/blog\/wp-content\/uploads\/2022\/06\/12-1114-480x267.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1080px, 100vw\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Glass containers<\/span><span style=\"font-weight: 400;\"> are 100% checked for the presence of various defects, both automatically and manually.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The defects of glass containers can be of various different kinds. The glass can have small cracks called checks, and sometimes foreign objects called stones can penetrate the walls of the glass container.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Other defects include air bubbles (i.e. bubbles in the glass) and unnecessarily thin walls. Another common defect in<\/span><span style=\"font-weight: 400;\"> glass container manufacturing<\/span><span style=\"font-weight: 400;\"> is called a tear. In the press and blow method, if the plunger and the mould are misaligned or if they are not heated to the correct temperature, the glass will stick to the object and break.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In addition to rejecting defective containers, the inspection equipment also collects and transmits statistical information from the hot end to the operator of the forming machine. Computer systems collect misinformation and track down the mould the glass container was made from. This is possible by reading the mould number of the container coded on the container by the mould that made it. Any containers that do not meet the standards are automatically rejected and returned to the furnace for remelting.<\/span><\/p>\n<p><b>Stage 8: Secondary Processing\u00a0<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Glass container manufacturers <\/span><span style=\"font-weight: 400;\">also offer additional services such as labelling. Although several marking options are available, the unique technology for glass is the Applied Ceramic Marking (ACL) process. At the same time, screen-printed decorations are applied to the container with glass enamel paint and then baked. Coca-Cola&#8217;s original bottle is a well-known example of this.<\/span><\/p>\n<p><b>Stage 9: Packaging\u00a0<\/b><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-2365\" src=\"https:\/\/www.ranchrtecommerce.com\/blog\/wp-content\/uploads\/2022\/06\/12-1115.jpg\" alt=\"MANUFACTURING OF GLASS BOTTLE\" width=\"1080\" height=\"600\" srcset=\"https:\/\/www.ranchrtecommerce.com\/blog\/wp-content\/uploads\/2022\/06\/12-1115.jpg 1080w, https:\/\/www.ranchrtecommerce.com\/blog\/wp-content\/uploads\/2022\/06\/12-1115-980x544.jpg 980w, https:\/\/www.ranchrtecommerce.com\/blog\/wp-content\/uploads\/2022\/06\/12-1115-480x267.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1080px, 100vw\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Glass containers are packaged differently. Bulk pallets, for example, are very popular in Europe, which can hold between 1,000 and 4,000 containers each. Automatic machines (eg palletizers, line and stack containers separated by sheet layers). Other options include boxes and hand-sewn bags. Once packed, new \u201cin-stock items\u201d are tagged, stored in a warehouse, and finally shipped. <\/span><span style=\"font-weight: 400;\">Glass jar manufacturers in India <\/span><span style=\"font-weight: 400;\">use shrink and carton boxes are the most used for glass jar and <\/span><span style=\"font-weight: 400;\">glass bottle packaging.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">If you are looking for Glass Jars and <\/span><span style=\"font-weight: 400;\">Glass Bottles online<\/span><span style=\"font-weight: 400;\">, please visit:\u00a0 <a href=\"https:\/\/www.ranchrtecommerce.com\/\"><strong>https:\/\/ranchrtecommerce.com\/<\/strong><\/a><\/span><\/p>\n<p><span style=\"font-weight: 400;\">For more blogs and videos on <\/span><span style=\"font-weight: 400;\">glass packaging material<\/span><span style=\"font-weight: 400;\">, visit <a href=\"https:\/\/www.ranchrtecommerce.com\/blog\/\"><strong>https:\/\/www.ranchrtecommerce.com\/blog\/<\/strong><\/a><\/span><\/p>\n<p><span style=\"font-weight: 400;\">For the latest updates on glass packaging, subscribe to our<\/span><\/p>\n<p><span style=\"font-weight: 400;\">*YouTube channel: <strong><a href=\"https:\/\/www.youtube.com\/c\/cyprue-commerce\">https:\/\/www.youtube.com\/c\/cyprue-commerce<\/a>\u00a0<\/strong><\/span><\/p>\n<p><span style=\"font-weight: 400;\">*LinkedIn Page: <a href=\"https:\/\/www.linkedin.com\/company\/cyprue-commerce\/\"><strong>https:\/\/www.linkedin.com\/company\/cyprue-commerce<\/strong><\/a><\/span><\/p>\n<p><span style=\"font-weight: 400;\">*Facebook Page: <a href=\"https:\/\/www.facebook.com\/glassbottleindia\/\"><strong>https:\/\/www.facebook.com\/glassbottleindia\/<\/strong><\/a><\/span><\/p>\n<p><span style=\"font-weight: 400;\">*Instagram Page: <\/span><strong><a href=\"https:\/\/www.instagram.com\/cyprue-commerce\/\">https:\/\/www.instagram.com\/cyprue-commerce\/<\/a><\/strong><\/p>\n<p><span style=\"font-weight: 400;\">To know more about glass jars and bottles, refer to India\u2019s only and first ever book on glass packaging, \u201c<a href=\"https:\/\/www.amazon.in\/dp\/9390757991\/ref=cm_sw_r_sms_api_i_3K9513241EK3HMP4PAA8\"><strong>Through The Glass &#8211; Past. Present. Only future<\/strong><\/a>\u201d authored by our director, Mr. Deepanker Agarwal. The Amazon link to purchase the book is:\u00a0<\/span><\/p>\n<p><a href=\"https:\/\/www.amazon.in\/dp\/9390757991\/ref=cm_sw_r_sms_api_i_3K9513241EK3HMP4PAA8\"><span style=\"font-weight: 400;\">https:\/\/www.amazon.in\/dp\/9390757991\/ref=cm_sw_r_sms_api_i_3K9513241EK3HMP4PAA8<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Have you ever wondered how Glass bottles and Glass jar manufacturing takes place? In today\u2019s blog you will get answers to all your questions related to manufacturing of glass bottles and jars. Mainly, glass container production in modern factories pass through three stages:\u00a0 \u00a0The Batch House stage\u00a0&#8211; deals with handling of the raw materials. \u00a0The [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2369,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"categories":[89],"tags":[],"_links":{"self":[{"href":"https:\/\/www.ranchrtecommerce.com\/blog\/wp-json\/wp\/v2\/posts\/2344"}],"collection":[{"href":"https:\/\/www.ranchrtecommerce.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ranchrtecommerce.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ranchrtecommerce.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ranchrtecommerce.com\/blog\/wp-json\/wp\/v2\/comments?post=2344"}],"version-history":[{"count":11,"href":"https:\/\/www.ranchrtecommerce.com\/blog\/wp-json\/wp\/v2\/posts\/2344\/revisions"}],"predecessor-version":[{"id":2427,"href":"https:\/\/www.ranchrtecommerce.com\/blog\/wp-json\/wp\/v2\/posts\/2344\/revisions\/2427"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ranchrtecommerce.com\/blog\/wp-json\/wp\/v2\/media\/2369"}],"wp:attachment":[{"href":"https:\/\/www.ranchrtecommerce.com\/blog\/wp-json\/wp\/v2\/media?parent=2344"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ranchrtecommerce.com\/blog\/wp-json\/wp\/v2\/categories?post=2344"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ranchrtecommerce.com\/blog\/wp-json\/wp\/v2\/tags?post=2344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}