Patent ID: 11865568
Assignee: WAGNER SPRAY TECH CORPORATON
Field: Chemical engineering (Chemistry)
Classification: CPC B  Y | IPC B

Claim 14:
15. A method of manufacturing a spray tip for a fluid applicator, the method comprising:
providing a cylindrical stem having a longitudinal axis, the longitudinal axis defining an axis of rotation of the cylindrical stem
forming a channel that extends through the cylindrical stem, the channel extending in a direction transverse to the longitudinal axis of the cylindrical stem from a first end of the cylindrical stem to a second end of the cylindrical stem;
forming in a first part of the channel a second portion and third portion, the forming of the second portion and third portion defining a first portion in a second part of the channel, the first portion extending from the second portion toward the second end of the cylindrical stem, the second portion extending from the first portion to the third portion, the third portion extending from the second portion toward the first end of the cylindrical stem and having a greater diameter than a diameter of the first portion;
forming in a first part of the third portion an insert receiving portion the forming of the insert receiving portion defining a pre-orifice portion, the pre-orifice portion comprising the first portion, the second portion, and a second part of the third portion, the insert receiving portion extending from the pre-orifice portion towards the first end of the cylindrical stem and defining, an opening at the first end of cylindrical stem;
inserting a pre-orifice insert into the insert receiving portion through the opening defined by the insert receiving portion such that the pre-orifice insert is disposed wholly within the insert receiving portion and the insert receiving portion extends past an end of the pre-orifice insert; and
securing the pre-orifice insert into the insert receiving portion.