Adhesive and sealant dispenser with grinding means
Abstract
Abstract A MIXING AND DISPENSING UNIT FOR ACCOMMODATING SEVERAL MATERIALS, WHEREIN AT LEAST ONE OF THE MATERIALS IS IN AN ISOLATED STATE, INCLUDING A CYLINDRICAL CONTAINER CARRYING A PLUNGER THEREIN, A HANDLE-ACTUATED MIXING HEAD ADJACENT ONE END OF THE CONTAINER AND ADAPTED TO RECEIVE MATERIALS FROM THE CONTAINER AND TO MIX THE MATERIALS, AND A NOZZLE-TYPE DISPENSING CAP COVERING THE MIXING HEAD. THE ONE END OF THE CONTAINER HAS PORTS COOPERABLE WITH PORTS IN A DISC-TYPE DISPENSER GATE ON THE PLUNGER FOR METERING AND FOR CONTROLLING THE FLOW OF THE MATERIALS TO THE MIXING HEAD. THE MIXING HEAD AND THE DISPENSING CAP ARE CONE-SHAPED AND INCLUDE ROUGHENED SURFACES WHICH WORK TOGETHER TO RUPTURE THE ISOLATED-STATE MATERIAL AND TO MIX THE MATERIALS PRIOR TO DISPENSING THE MIXTURE FROM THE UNIT.
Inventors
- 👤 Hugh W Campbell
Bibliographic Details
Claims Analysis
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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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |