In the blow-molded plastic tank, to a method for fastening an accessory.
And a method for fastening the accessories to the interior of the blow-molded tank is proposed, wherein the tank has a plastic wall made of a parison, the main body wherein the accessory includes a main body, at least projecting radially from the body It has one attachment part. The method comprising:
a) a portion of the steps of the accessory is introduced into the parison and the accessories in a molten state so as to be surrounded by the parison in the mold, the mold is a provided with a cavity, and at least one co-melting the parison introducing at least one movable insert is to be mounted, the parison and the fittings are configured to locally folding to said mounting portion in the mold,
b) the step of contacting the parison with the attaching portion,
c) the step of folding a portion of the parison has been moved to the insert in the forward direction and in the attachment portion and the melt locally,
d) to a final closed position closing said mold by moving the cavity of the mold and inflating the parison and forming the blow-molded tank,
e) the step of moving the insert to the rear, and
f) a step of opening the mold.