Apparatus for molding an outer layer of viscous material about a core of another material
Abstract
Abstract AN APPARATUS FOR MOLDING BREAD DOUGH OR OTHER VISCOUS MATERIAL AS AN OUTER LAYER OR CRUST ABOUT A CORE OF ANOTHER MATERIAL, SUCH AS JAM OR CREAM, HAS A HOLLOW ASSEMBLY DEFINING AN INNER PASSAGE WITH A DISCHARGE OPENING AT ONE END THROUGH WHICH THE CORE MATERIAL ISSUES, AND A HOUSING EXTENDING AROUND THE HOLLOW ASSEMBLY AND SPACED RADIALLY FROM THE LATTER TO DEFINE AN OUTER PASSAGE IN WHICH THE CRUST MATERIAL IS PROPELLED BY A ROTARY CONVEYOR SCREW TO ISSUE THROUGH AN ANNULAR OUTLET DEFINED BETWEEN THE HOLLOW ASSEMBLY AND A RING MEMBER WHICH IS ROTATED INDEPENDENTLY OF THE CONVEYOR SCREW, AND PREFERABLY AT A LOWER SPEED THAN THE LATTER. FURTHER, IT IS PREFERRED THAT THE CONVEYOR SCREW CONSIST OF A HELICAL RIB MEMBER HAVING THE SPACES BETWEEN ITS TURNS CLOSED AT THEIR RADIALLY INNER SIDES BY THE OUTER SURFACE OF THE HOLLOW ASSEMBLY AND AS TO WHICH THE HELICAL RIB MEMBER IS ROTATABLE.
Inventors
- 👤 Torahiko Hayashi
Bibliographic Details
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |