Patent ID: 11969930
Assignee: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. An extrusion process for creating a roof ditch molding, comprising the steps of:
forming a main body from a plastic material in a first stage extrusion;
conveying the main body through a stacked array of die plates and into a first stage cooling tank;
communicating the main body from an outlet of the first stage cooling tank to a second stage extruder with crosshead die for applying a skim film bonding layer to the main body;
applying a decorative layer over the skim bonding layer;
communicating the main body to a third stage extruder with cross head die for applying wing portions in partially overlapping fashion along opposite side edges of the decorative layer; and
drawing the completed ditch molding through a second stage cooling tank prior to conducting one or more finishing operations.