US2963389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame sterilization
Assignee: Hexion Inc
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Filing: 1959-03-24
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Granted: 1960-12-06
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Expires: 1979-03-24
Abstract
No abstract record available.
Inventors
- 👤 Winkler Harry William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:11
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/02; A61L2/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
IN STERILIZING AND CLEANING AN OPEN END CAN INCLUDING A HEAT SOFTENABLE SURFACE AND REMOVING ANY HEAT CARBONIZABLE CONTAMINATING MATERIAL WITHIN THE CAN, THE PROCESS WHICH COMPRISES MOVING THE CAN IN CLOSE PROXIMITY TO AND IN REGISTRATION AT ITS OPEN END WITH A FLAME FOR A PERIOD OF TIME NOT EXCEEDING ABOUT 12 SECONDS AND NOT LESS THAN THE TIME REQUIRED FOR THE FLAME TO STERILIZE THE INTERIOR SURFACE OF THE CAN AND CARBONIZE THE SAID MATERIAL, THE FLAME BEING OF WIDTH AT THE BASE THEREOF LESS THAN THE DIAMETER OF SAID OPEN END AND OF LENGTH GREATER THAN THE DEPTH OF THE CAN SO THAT THE FLAME EXTENDS THROUGH THE OPEN END TO THE BOTTOM OF THE CAN AND REVERBERATES ALONG THE SIDE WALLS TOWARDS THE OPEN END OF THE CAN, MOVING THE CAN AWAY FROM THE FLAME, THEN AT ONCE INTRODUCING A BLAST OF COOLING AIR INTO THE CAN SO AS TO COOL THE HEATED CAN AND BLOW THEREFROM ANY CARBONIZED MATERIAL, AND ROTATING THE SAID CAN DURING THE ENTIRE PERIOD OF REGISTRATION THEREOF WITH THE FLAME AND DURING INTRODUCTION OF THE BLAST OF AIR.
Claim 2
Dependent Claim
187 words
IN STERILIZING AND CLEANING AN OPEN END CAN INCLUDING A HEAT SOFTENABLE SURFACE AND REMOVING ANY HEAT CARBONIZABLE CONTAMINATING MATERIAL WITHIN THE CAN, THE PROCESS WHICH COMPRISES MOVING THE CAN IN CLOSE PROXIMITY TO AND IN REGISTRATION AT ITS OPEN END WITH A FLAME FOR A PERIOD OF TIME NOT EXCEEDING ABOUT 12 SECONDS AND NOT LESS THAN THE TIME REQUIRED FOR THE FLAME TO STERILIZE THE INTERIOR SURFACE OF THE CAN AND CARBONIZE THE SAID MATERIAL, THE FLAME BEING OF WIDTH AT THE BASE THEREOF LESS THAN THE DIAMETER OF SAID OPEN END AND OF LENGTH GREATER THAN THE DEPTH OF THE CAN SO THAT THE FLAME EXTENDS THROUGH THE OPEN END TO THE BOTTOM OF THE CAN AND REVERBERATES ALONG THE SIDE WALLS TOWARDS THE OPEN END OF THE CAN, MOVING THE CAN AWAY FROM THE FLAME, THEN AT ONCE INTRODUCING A BLAST OF COOLING AIR INTO THE CAN SO AS TO COOL THE HEATED CAN AND BLOW THEREFROM ANY CARBONIZED MATERIAL, AND ROTATING THE SAID CAN DURING THE ENTIRE PERIOD OF REGISTRATION THEREOF WITH THE FLAME AND DURING INTRODUCTION OF THE BLAST OF AIR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |