page_title: Living hinge
hierarchical_section_title: Living hinge
caption_attribution_description: Empty Tic Tacs box. The bottom of the box is made from polystyrene. Its polypropylene lid is open, displaying the resin identification code (5) and a living hinge.
context_page_description: A living hinge is a thin flexible hinge made from the same material as the two rigid pieces it connects. It is typically thinned or cut to allow the rigid pieces to bend along the line of the hinge. The minimal friction and very little wear in such a hinge makes it useful in the design of microelectromechanical systems, and the low cost and ease of manufacturing makes them quite common in disposable packaging.
context_section_description: A living hinge is a thin flexible hinge (flexure bearing) made from the same material as the two rigid pieces it connects.   It is typically thinned or cut to  allow the rigid pieces to bend along the line of the hinge.  The minimal friction and very little wear in such a hinge makes it useful in the design of microelectromechanical systems, and the low cost and ease of manufacturing makes them quite common in disposable packaging.
caption: A living hinge on the lid of a Tic Tac box.
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