主权项 |
1. A teat cup shell (2) adapted to form at least a part of an outer limiting portion of a teat cup and being adapted to be held by an electromagnetic device, the teat cup shell (2) comprising:
a substantially tubular body (5) having a center axis (4), wherein a plane (6) extending along the center axis (4) defines a first shell portion (8) and a second shell portion (10) on opposite sides of the plane (6), wherein the first shell portion (8) comprises a magnetic material, and an outer surface (12) adapted to abut against at least one surface of the electromagnetic device, and wherein the first shell portion (8) and the second shell portion (10) differ from each other with respect to at least one of the group consisting of material composition and material thickness, such that the amount of magnetic material in the first shell portion (8) is higher than in the second shell portion (10). |