Patent ID: 8671742

Claim:
A heater plug comprising: A tubular body ( 2 ), A finger ( 4 ) mounted inside the tubular body ( 2 ) and protruding outside the body at one extremity of this body, and A pressure sensor ( 8 ), A membrane ( 28 ) extending between the body ( 2 ) and the finger ( 4 ) enabling a relative longitudinal movement between the finger ( 4 ) and the body ( 2 ), the pressure sensor ( 8 ) being arranged between firstly a first bearing part ( 38 ) connected via a first tubular part ( 20 , 20 ′) to the finger ( 4 ) in the vicinity of the membrane ( 28 ) and a second bearing part ( 40 ) connected via a second tubular part ( 22 ) to the body ( 2 ), characterized in that the first tubular part ( 20 , 20 ′) extends into the second tubular part ( 22 ).