公开(公告)号：US20210269205A1

公开(公告)日：2021-09-02

申请号：US17257382

申请日：2019-07-02

Applicant: Stora Enso OYJ

Inventor： Lauri Huhtasalo ,  Elham Moradi

IPC: B65D51/24 ,  G06K19/07 ,  G06K19/077 ,  H01Q1/22 ,  H01Q9/28

Abstract: A substantially cylindrical, metal container (1) which container comprising an envelope surface wall (2), a top end and a bottom end (3), wherein the bottom end having a cavity which is formed by a circular concave, parabolic bottom surface (4) and a circular surrounding edge (5). A UHF RFID tag (6), comprising an integrated circuit (7) and an antenna (8), is arranged at the bottom end, wherein the antenna is located at a predetermined distance above the center of the bottom surface (4), such that the bottom surface reflects the antenna radiation.