Method and apparatus for coating toroidal-shaped articles
Abstract
Abstract AS A HEATED CYLINDRICALLY-SHAPED ARTICLE IS RAOATED CONTINUOUSLY ABOUT ITS CYLINDRICAL AXIS, A GASEOUS SUSPENSION OF SOLID PARTICULATE MATERIAL IS SPRAYED A FIRST SURFACE PORTIONS AND CIRCULAR INTERMEDIATE SURFACE PORTIONS OF THE ARTICLE IN AN OSCILLAROTY PATH LYING GENERALLY IN A PLANE CONTAINING THE AXIS OF ROTATION OF THE ARTICLE, SO AS TO DEPOSIT A UNIFORM COATING ON THE FIRST SURFACE PORTIONS ON THE ORDER OF DOUBLE THE THICKNESS OF THE COATING BEING DEPOSITED ON THE INTERMEDIATE SURFACE PORTIONS. THE ARTICLE THEN IS INVERTED AND THE SPRAYING STEP IS REPEATED ON SECOND SURFACE PORTIONS OF THE ARTICLE AND THE INTERMEDIATE SURFACE PORTIONS. A MATERIAL SCAVENGING SYSTEM IS PROVIDED DOWNSTREAM OF THE ARTICLE TO HELP PRECLUDE NON-UNIFORM DEPOSITION OF THE MATERIAL ON THE ARTICLE.
Inventors
- 👤 Charles A From Jr
- 👤 Charles Grenko
- 👤 Robert A Peceny
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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