The Boeing Company
Methods for bead application

Abstract:

A method of applying a substance as a bead to a geometric feature, extending along a path, comprises providing an apparatus, comprising an outlet end that comprises a first edge, a second edge, and an outlet opening. The method also comprises establishing contact between at least a portion of the geometric feature and at least a portion of at least one of the first edge of the outlet end and the second edge of the outlet end. The method further comprises moving the apparatus in a progression direction along the path while dispensing the substance from the outlet opening on at least the portion of the geometric feature. The method additionally comprises varying a length of a portion of the first edge of the outlet end and a length of a portion of the second edge of the outlet end.