| 165 / | HD | HEAT EXCHANGE |
|
| DIG 76 | DD | WITH SCRAPER FOR REMOVING PRODUCT FROM HEAT TRANSFER SURFACE {4} |
| DIG 81 |  | .~ Rotary heat exchange scraper or scraper for rotary heat exchange surface {10} |
| DIG 82 | DD | .~.~> Grooved drum surface |
| DIG 83 | DD | .~.~> Scraper attached to or formed part of rotary heat exchange fluid surface |
| DIG 84 | DD | .~.~> Scraper within annular space formed by concentric cylinders or concentric conical surfaces |
| DIG 85 | DD | .~.~> Scraper for cleaning inner surface of rotary heat exchange surface |
| DIG 86 | DD | .~.~> Weight operated scraper |
| DIG 87 | DD | .~.~> Spring pressed scraper |
| DIG 88 | DD | .~.~> Adjustable scraper |
| DIG 89 | DD | .~.~> For scraping flat horizontal surface |
| DIG 90 | DD | .~.~> Scraper blade movable relative to scraper blade support (e.g., pivoting blade, rocking blade, etc.) |
| DIG 91 | DD | .~.~> For scraping wall of cylindrical heat exchanger |