Patent ID: 7923637
Filing Date: 2011-04-12
Classification: H01R

Abstract:
1. A crimp contact for an aluminum stranded wire having a serration provided in an inner face of a crimping portion of the crimp contact, wherein a ratio d/e is 0.33 or more, in which d represents a depth of a groove constituting the serration and e represents a diameter of an aluminum wire constituting the aluminum stranded wire; wherein the tensile strength of the crimp contact is 400 MPa or more, and the Vickers hardness is 90 N/mm wherein the tensile strength of the crimp contact is twice or more the tensile strength of the elemental wires which constitute the aluminum stranded wire, and wherein the Vickers hardness of the crimp contact is twice or more the hardness of the elemental wires which constitute the aluminum stranded wire; wherein the number of grooves is 3 or more; and wherein the crimp contact comprises brass having a crystal grain size of 50 μm or less.