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| Number | Title | Issue Date |
| 5645869 | Machine for shaping hamburgers Improvements in a machine for shaping hamburgers, which include a table-frame with a horizontally displaceable mold into which mold the ground meat enters directly and which has an element for detecting the pressure of the meat. The element, when it is dr... | 07/08/1997 |
| 5145690 | Hamburger making machine The meat duct (6) is equipped with a gate (17) to cut the meat supply at intervals and with a plate (14) to regulate the passage of the meat (7). The sheet material paper rolls (9, 10) to wrap the hamburger have respective inertial brakes (26) and sensors... | 09/08/1992 |
