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id="p-views" class="page-actions-menu__list"> <li id="language-selector" class="page-actions-menu__list-item"> <a role="button" href="#p-lang" data-mw="interface" data-event-name="menu.languages" title="Language" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet language-selector"> <span class="minerva-icon minerva-icon--language"></span> <span>Language</span> </a> </li> <li id="page-actions-watch" class="page-actions-menu__list-item"> <a role="button" id="ca-watch" href="/w/index.php?title=Special:UserLogin&returnto=Tub+%28container%29" data-event-name="menu.watch" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet menu__item--page-actions-watch"> <span class="minerva-icon minerva-icon--star"></span> <span>Watch</span> </a> </li> <li id="page-actions-edit" class="page-actions-menu__list-item"> <a role="button" id="ca-edit" href="/w/index.php?title=Tub_(container)&action=edit" data-event-name="menu.edit" data-mw="interface" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet edit-page menu__item--page-actions-edit"> <span class="minerva-icon minerva-icon--edit"></span> <span>Edit</span> </a> </li> </ul> </nav>  <div id="mw-content-subtitle"></div> </div> <div id="bodyContent" class="content"> <div id="mw-content-text" class="mw-body-content"><script>function mfTempOpenSection(id){var block=document.getElementById("mf-section-"+id);block.className+=" open-block";block.previousSibling.className+=" open-block";}</script><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><section class="mf-section-0" id="mf-section-0"> <p>A <b>tub</b> is an open-top circular or oblong <a href="/wiki/Container" title="Container">container</a>. In earlier times they were made from wooden <a href="/wiki/Stave_(wood)" title="Stave (wood)">staves</a> held together with iron hoops and were made by <a href="/wiki/Cooper_(profession)" title="Cooper (profession)">coopers</a>. Modern tubs used in industry might be made from concrete, metal or plastic. </p><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Rice_in_the_wooden_tub.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Rice_in_the_wooden_tub.jpg/220px-Rice_in_the_wooden_tub.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Rice_in_the_wooden_tub.jpg/330px-Rice_in_the_wooden_tub.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Rice_in_the_wooden_tub.jpg/440px-Rice_in_the_wooden_tub.jpg 2x" data-file-width="2832" data-file-height="2128"></a><figcaption>Rice in a wooden tub</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Thermal_dosirak_case.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Thermal_dosirak_case.jpg/220px-Thermal_dosirak_case.jpg" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Thermal_dosirak_case.jpg/330px-Thermal_dosirak_case.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Thermal_dosirak_case.jpg/440px-Thermal_dosirak_case.jpg 2x" data-file-width="5472" data-file-height="3648"></a><figcaption>Korean <a href="/wiki/Dosirak" title="Dosirak">dosirak</a> can be a tub-shaped <a href="/wiki/Thermos" class="mw-redirect" title="Thermos">thermos</a>, that can be used as a <a href="/wiki/Lunchbox" title="Lunchbox">lunchbox</a></figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Tub_of_cottage_cheese.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Tub_of_cottage_cheese.jpg/220px-Tub_of_cottage_cheese.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Tub_of_cottage_cheese.jpg/330px-Tub_of_cottage_cheese.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Tub_of_cottage_cheese.jpg/440px-Tub_of_cottage_cheese.jpg 2x" data-file-width="1024" data-file-height="768"></a><figcaption>Tub of <a href="/wiki/Cottage_cheese" title="Cottage cheese">cottage cheese</a>, lid, and lidding film</figcaption></figure> <p>Small plastic tubs used in the home may have a separate or attached snap-on <a href="/wiki/Lid_(container)" class="mw-redirect" title="Lid (container)">lid</a> or cover; some tubs may have latched lids. </p><p>Tubs are used for multiple <a href="/wiki/Packaging" title="Packaging">packaging</a> applications as well as household and industrial storage. </p> <div id="toc" class="toc" role="navigation" aria-labelledby="mw-toc-heading"><input type="checkbox" role="button" id="toctogglecheckbox" class="toctogglecheckbox" style="display:none"><div class="toctitle" lang="en" dir="ltr"><h2 id="mw-toc-heading">Contents</h2><span class="toctogglespan"><label class="toctogglelabel" for="toctogglecheckbox"></label></span></div> <ul> <li class="toclevel-1 tocsection-1"><a href="#Construction"><span class="tocnumber">1</span> <span class="toctext">Construction</span></a></li> <li class="toclevel-1 tocsection-2"><a href="#See_also"><span class="tocnumber">2</span> <span class="toctext">See also</span></a></li> <li class="toclevel-1 tocsection-3"><a href="#Notes"><span class="tocnumber">3</span> <span class="toctext">Notes</span></a></li> <li class="toclevel-1 tocsection-4"><a href="#References"><span class="tocnumber">4</span> <span class="toctext">References</span></a></li> </ul> </div> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(1)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="Construction">Construction</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Tub_(container)&action=edit&section=1" title="Edit section: Construction" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div><section class="mf-section-1 collapsible-block" id="mf-section-1"> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:FEMA_-_38784_-_Americorp_makeing_a_large_ice_chest_at_the_DRC_in_Texas.jpg" class="mw-file-description"><noscript><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/FEMA_-_38784_-_Americorp_makeing_a_large_ice_chest_at_the_DRC_in_Texas.jpg/220px-FEMA_-_38784_-_Americorp_makeing_a_large_ice_chest_at_the_DRC_in_Texas.jpg" decoding="async" width="220" height="147" class="mw-file-element" data-file-width="3888" data-file-height="2592"></noscript><span class="lazy-image-placeholder" style="width: 220px;height: 147px;" data-src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/FEMA_-_38784_-_Americorp_makeing_a_large_ice_chest_at_the_DRC_in_Texas.jpg/220px-FEMA_-_38784_-_Americorp_makeing_a_large_ice_chest_at_the_DRC_in_Texas.jpg" data-width="220" data-height="147" data-srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/FEMA_-_38784_-_Americorp_makeing_a_large_ice_chest_at_the_DRC_in_Texas.jpg/330px-FEMA_-_38784_-_Americorp_makeing_a_large_ice_chest_at_the_DRC_in_Texas.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ed/FEMA_-_38784_-_Americorp_makeing_a_large_ice_chest_at_the_DRC_in_Texas.jpg/440px-FEMA_-_38784_-_Americorp_makeing_a_large_ice_chest_at_the_DRC_in_Texas.jpg 2x" data-class="mw-file-element"> </span></a><figcaption>Large plastic tub being used as an <a href="/wiki/Ice_chest" class="mw-redirect" title="Ice chest">ice chest</a></figcaption></figure> <p>Many tubs are made of formed thermoplastics such as <a href="/wiki/Polyethylene_terephthalate" title="Polyethylene terephthalate">PET</a> polyester, polystyrene, or polypropylene. Processes of creating tubs are either <a href="/wiki/Thermoforming" title="Thermoforming">thermoforming</a> or <a href="/wiki/Injection_moulding" title="Injection moulding">injection moulding</a>. Tubs can also be formed of <a href="/wiki/Paperboard" title="Paperboard">paperboard</a>, <a href="/wiki/Molded_pulp" title="Molded pulp">molded pulp</a>, and aluminum. </p><p>Some tubs have special microwave features such as <a href="/wiki/Susceptor" title="Susceptor">susceptors</a><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Tubs can have a heat sealed <i>lidding film</i> attached prior to the lid being placed on. Some tubs have a <a href="/wiki/Tamper-evident_band" title="Tamper-evident band">Tamper-evident band</a> or <i>security strip</i> to indicate premature opening. </p><p>Several types of latches and means of lid attachment are available.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>Both the body and lid of a tub can be printed or have attached <a href="/wiki/Labels" class="mw-redirect" title="Labels">labels</a>. </p> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(2)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="See_also">See also</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Tub_(container)&action=edit&section=2" title="Edit section: See also" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div><section class="mf-section-2 collapsible-block" id="mf-section-2"> <ul><li><a href="/wiki/Cooper_(profession)" title="Cooper (profession)">Cooper (profession)</a></li> <li><a href="/wiki/Tupperware" title="Tupperware">Tupperware</a></li> <li><a href="/wiki/Bath_tub" class="mw-redirect" title="Bath tub">Bath tub</a></li></ul> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(3)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="Notes">Notes</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Tub_(container)&action=edit&section=3" title="Edit section: Notes" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div><section class="mf-section-3 collapsible-block" id="mf-section-3"> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1041539562">.mw-parser-output .citation{word-wrap:break-word}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}</style><span class="citation patent" id="CITEREFRiskey1993"><a rel="nofollow" class="external text" href="https://worldwide.espacenet.com/textdoc?DB=EPODOC&IDX=US5214257">US 5214257</a>, Riskey, Dwight R., "Tub-shaped packaging container for microwave popcorn", published 1993-05-25, assigned to <a href="/wiki/Recot,_Inc." class="mw-redirect" title="Recot, Inc.">Recot Inc.</a></span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Apatent&rft.number=5214257&rft.cc=US&rft.title=Tub-shaped+packaging+container+for+microwave+popcorn&rft.inventor=Riskey&rft.assignee=%5B%5BRecot%2C_Inc.%7CRecot+Inc.%5D%5D&rft.pubdate=1993-05-25"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1041539562"><span class="citation patent" id="CITEREFFoos1994"><a rel="nofollow" class="external text" href="https://worldwide.espacenet.com/textdoc?DB=EPODOC&IDX=US5322178">US 5322178</a>, Foos, Douglas E., "One-hand operable latch for tub type container", published 1994-06-21, assigned to Plastofilm Industries Inc.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Apatent&rft.number=5322178&rft.cc=US&rft.title=One-hand+operable+latch+for+tub+type+container&rft.inventor=Foos&rft.assignee=Plastofilm+Industries+Inc.&rft.pubdate=1994-06-21"><span style="display: none;"> </span></span></span> </li> </ol></div></div> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(4)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="References">References</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Tub_(container)&action=edit&section=4" title="Edit section: References" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div><section class="mf-section-4 collapsible-block" id="mf-section-4"> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><noscript><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png" decoding="async" width="40" height="40" class="mw-file-element" data-file-width="512" data-file-height="512"></noscript><span class="lazy-image-placeholder" style="width: 40px;height: 40px;" data-src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png" data-alt="" data-width="40" data-height="40" data-srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/60px-Wiktionary-logo-en-v2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/80px-Wiktionary-logo-en-v2.svg.png 2x" data-class="mw-file-element"> </span></span></span></div> <div class="side-box-text plainlist">Look up <i><b><a href="https://en.wiktionary.org/wiki/tub" class="extiw" title="wiktionary:tub">tub</a></b></i> in Wiktionary, the free dictionary.</div></div> </div> <ul><li>Soroka, W, "Fundamentals of Packaging Technology", IoPP, 2002, <style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/1-930268-25-4" title="Special:BookSources/1-930268-25-4">1-930268-25-4</a></li> <li>Yam, K.L., "Encyclopedia of Packaging Technology", John Wiley & Sons, 2009, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-470-08704-6" title="Special:BookSources/978-0-470-08704-6">978-0-470-08704-6</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist 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