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A living hinge or integral hinge is a thin flexible hinge (flexure bearing). It is 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 ...
Plastic hinge. In the structural engineering beam theory, plastic hinge is the deformation of a section of a beam where plastic bending occurs. [1] In earthquake engineering plastic hinge is also a type of energy damping device allowing plastic rotation [deformation] of an otherwise rigid column connection. [2]
Polypropylene lid of a Tic Tac box, with a living hinge and the resin identification code under its flap. As polypropylene is resistant to fatigue, most plastic living hinges, such as those on flip-top bottles, are made from this material. However, it is important to ensure that chain molecules are oriented across the hinge to maximise strength.
Living hinge A hinge of flexible plastic that creates a join between two objects without any knuckles or pins. Molded as a single piece, they never rust or squeak, and have several other advantages over other hinges, but are more susceptible to breakage. Other types of hinges include: Coach; Counterflap; Cranked or storm-proof; Double action ...
Many living hinges are made of wood or wood-based fibreboards (mostly made by laser cutting). Not all "living hinges" are polymer hinges. Plastic hinge is a reasonable scope for an article, provided that we appreciate it refers to plastic (as in plastic deformation) rather than plastic as in polymer. I'm not seeing anything particualry ...
Clamshell pack of screws. Paperboard clamshell for fast food. PETE plastic egg carton for 24 eggs. A clamshell is a one-piece container consisting of two halves joined by a hinge area which allows the structure to come together to close. Clamshells can be made to be reusable and reclosable [1] or can be sealed securely.