Injection Molding Services - Living Hinge
A living hinge is a thin flexible hinge made from the same material as the two rigid pieces it connects, rather than cloth, leather, or some other flexible substance. It is typically thinned or cut to allow the rigid pieces to bend along the line of the hinge and the result is a single piece of material forming the container, lid and hinge. The minimal friction and very little wear in such a hinge along with the low cost and ease of manufacturing makes them quite common in disposable packaging. Plastic living hinges are typically manufactured in an injection molding operation that creates all three parts at one time as a single piece, and if correctly designed and constructed, it can remain functional over the life of the part.