Patent ID: 11878322
Assignee: KIMBERLY-CLARK WORLDWIDE, INC.
Field: Surface technology, coating (Chemistry)
Classification: CPC B | IPC B

Claim 12:
13. A process for applying an adhesive to a moving web of material comprising:
conveying the moving web of material adjacent to a nozzle without contacting the nozzle;
flowing an adhesive through the nozzle while the nozzle and the moving web of material are in a spaced apart relationship such that a metered amount of adhesive forms a bead of adhesive on a bottom surface of the nozzle; and
periodically contacting the bottom surface of the nozzle with the moving web of material via a web deflecting device comprising a web-contacting surface while the moving web of material is moving, the nozzle applying at least one vertical streak of adhesive to the moving web of material, the at least one vertical streak having a head portion and a tail portion, the head portion having a maximum width that is greater than the tail portion, wherein the web-contacting surface is curved between a leading edge and a trailing edge of the web-contacting surface, wherein the web-contacting surface comprises a length between the leading edge and the trailing edge, the length being greater than a length of the nozzle, wherein the nozzle and the web-contacting surface are positioned such that the web of material is parallel with a horizontal plane when travelling toward the nozzle and forms an exit angle when travelling away from the nozzle, wherein the deflecting device causes the moving web of material to contact the nozzle in a manner such that the moving web of material forms a maximum exit angle with the nozzle, the maximum exit angle being from about 5° to about 30° in relation to the horizontal plane that is perpendicular to an exit port on the nozzle, wherein the exit angle changes from a minimum exit angle to the maximum exit angle while the the moving web of material is in contact with the nozzle such that web deflecting device is configured to clean the nozzle.