US3353946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blasthead structure for tempering glass sheets
Assignee: Permaglass Inc
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Filing: 1964-01-29
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Granted: 1967-11-21
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Expires: 1984-01-29
Abstract
No abstract record available.
Inventors
- 👤 Harold A Mcmaseter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:58
CPC Classifications
C; C03; C03B; C03B27/00; C03B27/04; C03B27/0404; C03B27/052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A BLASTHEAD STRUCTURE FOR COOLING A VERTICALLY DISPOSED SHEET OF GLASS OR THE LIKE COMPRISING: A PAIR OF SPACED APART OPPOSING BLASTHEADS FOR RECEIVING A VERTICALLY DISPOSED SHEET THEREBETWEEN, EACH BLASTHEAD INCLUDING AN END WALL FACING A LIKE END WALL OF THE OPPOSITE BLASTHEAD, A PLURALITY OF SPACED NOZZLE MEMBERS EXTENDING OUTWARDLY A SUBSTANTIAL DISTANCE FROM EACH END WALL TOWARD THE OTHER WALL EACH NOZZLE MEMBER DIRECTING FLUID TOWARD THE OTHER WALL, WEIR PORTIONS EXTENDING OUTWARDLY FROM EACH END WALL TOWARD THE OTHER AND SPACED FROM AND SURROUNDING A PLURALITY OF SAID NOZZLE MEMBERS SO AS TO DEFINE A COMPARTMENT FACING THE OPPOSITE BLASTHEAD WHEREBY THE FLUID THAT FLOWS THROUGH SAID NOZZLE MEMBERS TO IMPINGE A SHEET WILL FLOW BACK TO THE COMPARTMENT WHERE HE FLUID FLOW IS RESTRICTED BETWEEN THE SHEET AND THE WEIR PORTION TO PROVUDE A BACK PRESSURE AMONG AND AROUND SAID NOZZLE MEMBERS TO CENTER THE SHEET BETWEEN SAID BLASTHEADS, AND EXHAUST MEANS EXTERIORLY OF THE COMPARTMENT FOR RECEIVING THE FLUID THEREFROM.
Claim 2
Dependent Claim
166 words
A BLASTHEAD STRUCTURE FOR COOLING A VERTICALLY DISPOSED SHEET OF GLASS OR THE LIKE COMPRISING: A PAIR OF SPACED APART OPPOSING BLASTHEADS FOR RECEIVING A VERTICALLY DISPOSED SHEET THEREBETWEEN, EACH BLASTHEAD INCLUDING AN END WALL FACING A LIKE END WALL OF THE OPPOSITE BLASTHEAD, A PLURALITY OF SPACED NOZZLE MEMBERS EXTENDING OUTWARDLY A SUBSTANTIAL DISTANCE FROM EACH END WALL TOWARD THE OTHER WALL EACH NOZZLE MEMBER DIRECTING FLUID TOWARD THE OTHER WALL, WEIR PORTIONS EXTENDING OUTWARDLY FROM EACH END WALL TOWARD THE OTHER AND SPACED FROM AND SURROUNDING A PLURALITY OF SAID NOZZLE MEMBERS SO AS TO DEFINE A COMPARTMENT FACING THE OPPOSITE BLASTHEAD WHEREBY THE FLUID THAT FLOWS THROUGH SAID NOZZLE MEMBERS TO IMPINGE A SHEET WILL FLOW BACK TO THE COMPARTMENT WHERE HE FLUID FLOW IS RESTRICTED BETWEEN THE SHEET AND THE WEIR PORTION TO PROVUDE A BACK PRESSURE AMONG AND AROUND SAID NOZZLE MEMBERS TO CENTER THE SHEET BETWEEN SAID BLASTHEADS, AND EXHAUST MEANS EXTERIORLY OF THE COMPARTMENT FOR RECEIVING THE FLUID THEREFROM.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |