公开(公告)号：US3606862A

公开(公告)日：1971-09-21

申请号：US3606862D

申请日：1969-04-22

申请人： MILTON P HUFF ,  SIDNEY J SULLIVAN JR ,  WAYNE E BAILEY

发明人： HUFF MILTON P ,  SULLIVAN SIDNEY J JR ,  BAILEY WAYNE E

IPC分类号： B05B13/06 ,  B05C7/02

CPC分类号： B05B13/0627 ,  Y10S118/10

摘要： WARDLY OF THE SPRAY WHEREBY THE HEAD IS MAINTAINED IN A COAXIAL POSITION RELATIVE TO THE PIPE AS IT IS DRAWN THROUGH THE LATTER.
DISCLOSED IS A MOTOR DRIVEN DRUM FOR DRAWING A SUPPLY HOSE AND AN APPLICATOR HEAD THROUGH A PIPE. THE HOSE COMMUNICATES THROUGH THE DRUM WITH A RESERVOIR CONTAINING COATING MATERIAL AND SUPPLIES THE LATTER TO THE APPLICATOR HEAD FOR COATING THE WALL OF A PIPE. THE APPLICATOR HEAD HAS A PLURALITY OF NOZZLES MOUNTED FOR ROTATION UNDER CENTRIFUGAL FORCE TO PROVIDE A CONICAL SPRAY FOR APPLYING THE COATING TO THE WALL AS THE HEAD IS DRAWN THROUGH THE PIPE. A PLURALITY OF CENTERING VANES ARE CARRIED AT CIRCUMFERENTIALLY SPACED POSITIONS ABOUT THE HEAD AND ARE SPRING BIASED TO ENGAGE THE INNER WALL FOR-