Snap hinge of plastic material

Details Snap hinge of plastic material Snap hinge of plastic material

E - Fixed Constructions

05

D

16/34

E05D 1/00 (2006.01) B65D 43/16 (2006.01) B65D 47/08 (2006.01) E05D 1/02 (2006.01) F16C 11/12 (2006.01)

Patent

CA 1161213

-21- ABSTRACT An integral snap hinge of plastic material is intended to be used, e.g., for container closures or vacuum formed packages. At least two flexible joints extend- ing in the direction of the main geometric axis are provided between these two hinged members. At least one of these flexible joints is constituted by a connecting element, which is flexibly linked to the hinge members by film hinges. The film hinges diverge so that the con- necting elements widens along the main geometric axis. The large or small ends of the two connecting elements may face each other. The snap action is due to the fact that components of the snap hinge are resilient. The spring action may be performed by the connecting elements and/or by walls of the hinge members.

393949

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