Patent ID: 6672785
Filing Date: 2004-01-06
Classification: B42B,B42D,B42F

Abstract:
An insert for being coupled to a coil, the insert comprising a piece of sheet-like material having an inner edge devoid of any coil-coupling cutout and having a plurality of wings extending away from said inner edge, said inner edge and each wing completely defining a pair of coil receiving openings located between said wing and said inner edge, each coil receiving opening having a throat portion extending in a direction substantially parallel to the inner edge and having an inner portion, each inner portion having a cavity including a cavity entrance in communication with an associated throat portion and including a cavity bottom, wherein a distance from said inner edge to a tip portion is greater at said cavity bottom than at said throat portion, and each throat portion being shaped and located to allow a turn of said coil to be passed therethrough to be received in an associated inner portion to couple said insert to said coil.