公开(公告)号：US3809626A

公开(公告)日：1974-05-07

申请号：US29830872

申请日：1972-10-17

Applicant: BUCKBEE MEARS CO

Inventor： STENE R

IPC: C23C18/16 ,  C08J7/12 ,  C23C18/20 ,  C23C18/22 ,  C23C18/24 ,  C23C18/26 ,  C23C18/34 ,  C25D7/04 ,  B44D5/02 ,  C23B5/62

CPC classification number: C25D7/04 ,  C23C18/208 ,  C23C18/24 ,  C23C18/285 ,  C23C18/30

Abstract: THE SURFACE OF A PLASTIC TYPEWRITER BALL IS PROCESSED IN VARIOUS SOLUTIONS IN ORDER TO PREPARE THE SURFACE TO RECEIVE A UNIFORMLY DISTRIBUTED METALLIC COATING.