Patent ID: 8857307

Claim:
A manufacturing procedure for a “bull barrel” model with silencer of the type comprising a barrel ( 1 ) with one entrance end ( 14 ) and one exit end ( 15 ), characterised in that it comprises the following stages: A first stage in which a tube ( 2 ), which defines two ends: a first ( 21 ) and a second ( 22 ), with an inner diameter that exceeds the outer diameter of the barrel ( 1 ), fixed to a wedge ( 19 ) by its first end ( 21 ), A second stage in which a muzzle ( 5 ) that ends in a hood ( 10 ) is fixed to the second end ( 22 ) of tube ( 2 ), with said muzzle ( 5 ) comprising at least one lateral aperture ( 6 ) and at least one first hoop ( 8 ) that fits inside the tube ( 2 ) sealing the second end ( 22 ), similarly with stops ( 7 ) that define channels ( 11 ) in the hood ( 10 ) that connect the exterior with the inside of the muzzle ( 5 ), with the mentioned stops ( 7 ) forming the end of travel for the referred tube ( 2 ), A third stage in which the barrel ( 1 ) is fixed to the muzzle ( 5 ) and to the wedge ( 19 ), thus defining a space or cavity ( 3 ) between the tube ( 2 ) and barrel ( 1 ) and A fourth stage in which the third stage configuration is inserted into a moulding machine for over-moulding, except for the barrel entrance end ( 14 ), giving it the desired shape, with said end penetrating said over-moulding ( 20 ) towards the inside of the tube ( 2 ) by the channels ( 11 ) up to the referred first hoop ( 8 ).