Tubular threaded joint component for the drilling or exploitation of hydrocarbon wells, comprising an end provided with at least one threaded portion and comprising an upstream free terminal part, said tubular threaded joint component being equipped with a protector, said protector comprising: - a sleeve attached to the end of the tubular threaded joint component and shaped to protect said free terminal part and the threaded portion of said end of the tubular threaded joint component, said sleeve having a threaded portion that comes to engage with the threaded portion of the end of the tubular threaded joint component and that extends axially over a distance less than or equal to the axial distance of the threaded portion of the end of the tubular threaded joint component, - a peripheral sealing device mounted in a sealing manner on the sleeve and placed in contact with a surface of said tubular threaded joint component, located downstream of the threaded portion of the end of the tubular threaded joint component so as to ensure a seal downstream of said threaded portion, characterized in that the sealing device and the sleeve are arranged such that, when the protector is installed on the tubular threaded joint component, at the moment where the threaded portion of the sleeve engages with the threaded portion of the end of the tubular threaded joint component of a tubular joint, at least part of the sealing device that comes into contact with the surface of said tubular threaded joint component is located axially downstream of the threaded portion of the end of said tubular threaded joint component, and in that the part of the sealing device that comes into contact with the surface of the tubular threaded joint component is elastically flexible in at least one longitudinal axial direction of the protector. - a sleeve attached to the end of the tubular threaded joint component and shaped to protect said free terminal part and the threaded portion of said end of the tubular threaded joint component, said sleeve having a threaded portion that comes to engage with the threaded portion of the end of the tubular threaded joint component and that extends axially over a distance less than or equal to the axial distance of the threaded portion of the end of the tubular threaded joint component, - a peripheral sealing device mounted in a sealing manner on the sleeve and placed in contact with a surface of said tubular threaded joint component, located downstream of the threaded portion of the end of the tubular threaded joint component so as to ensure a seal downstream of said threaded portion, characterized in that the sealing device and the sleeve are arranged such that, when the protector is installed on the tubular threaded joint component, at the moment where the threaded portion of the sleeve engages with the threaded portion of the end of the tubular threaded joint component of a tubular joint, at least part of the sealing device that comes into contact with the surface of said tubular threaded joint component is located axially downstream of the threaded portion of the end of said tubular threaded joint component, and in that the part of the sealing device that comes into contact with the surface of the tubular threaded joint component is elastically flexible in at least one longitudinal axial direction of the protector.