公开(公告)号：US3697313A

公开(公告)日：1972-10-10

申请号：US3697313D

申请日：1970-02-24

Applicant: NORDSON CORP

Inventor： STUMPHAUZER WILLIAM C ,  HOGSTROM EDWIN F ,  NORD ERIC T ,  SCHNEIDER RICHARD E ,  ROOD ALVIN A

IPC: B05B1/02 ,  B05B1/04 ,  B05B13/06 ,  B05D1/40 ,  B05D7/22 ,  B44D1/08

CPC classification number: B05B1/04 ,  B05B13/06

Abstract: METHOD AND MEANS FOR COATING THE INTERIOR CYLINDRICAL SURFACE OF OBJECTS SUCH AS METAL CANS FOR FOOD, BEVERAGES AND OTHER SUBSTANCES WHICH NEED PROTECTION AGAINST INJURIOUS REACTION WITH OR POLLUTION FROM CONTACT WITH THE MATERIAL OF THE CAN. RAPID AIRLESS SPRAY COATING OF SUCH SURFACES, WHILE THE SURFACES ARE REVOLVING AT HIGH SPEED, FROM A STATIONARY SPRAY NOZZEL EXTERNAL OF THE CAN, BY PROJECTING A SPRAY HAVING AN ASYMMETRICAL PATTERN INTO THE SINGLE OPEN END OF A CAN HAVING ONE CLOSED END, WITH THE PATTERN OF FLOW EMERGING FROM THE NOZZEL BEING MATCHED TO THE INTERNAL SURFACE CONFIGURATION TO APPLY A UNIFORM COATING. ALSO DISCLOSED ARE SPRAY NOZZELS HAVING THEIR OUTLET ORIFICES DESIGNED TO PROVIDE DESIRABLE SPRAY PATTERNS FOR USE IN THIS METHOD OF SPRAYING, AS WELL AS METHODS FOR MAKING AND SHAPING THE OUTLET ORIFICES.