US3372851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for adhering and sealing foil to glass fiber duct
Assignee: Certain Teed Saint Gobain Insulation Corp
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Filing: 1966-01-24
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Granted: 1968-03-12
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Expires: 1986-01-24
Abstract
No abstract record available.
Inventors
- 👤 Howard G Wands
- 👤 Sydney L Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:12
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
APPARATUS FOR HANDLING AN INSULATING DUCT FOR APPLICATION OF A METALLIC FOIL OR SHEET TO THE EXTERNAL SURFACE THEREOF COMPRISING AN ELONGATE MANDREL ADAPTED TO RECEIVE SAID INSULATING DUCT THEREON, A HOLLOW ELONGATE INSULATING DUCT POSITIONED ON SAID MANDREL, AND AN ELONGATE FLAT ANVIL MEMBER MOUNTED ON SAID MANDREL AND EXTENDING SUBSTANTIALLY PARALLEL TO THE AXIS THEREOF AND SPACED THEREFROM IN SUCH MANNER AS TO OVERLIE A PORTION OF THE OUTER SURFACE OF SAID DUCT IN SUBSTANTIAL CONTACT THEREWITH AND ALSO FORM AN ULTRASONIC WELDING SURFACE FOR METALLIC FOIL COVERING THE OUTSIDE OF SAID DUCT AND SAID ANVIL.
Claim 2
Dependent Claim
98 words
APPARATUS FOR HANDLING AN INSULATING DUCT FOR APPLICATION OF A METALLIC FOIL OR SHEET TO THE EXTERNAL SURFACE THEREOF COMPRISING AN ELONGATE MANDREL ADAPTED TO RECEIVE SAID INSULATING DUCT THEREON, A HOLLOW ELONGATE INSULATING DUCT POSITIONED ON SAID MANDREL, AND AN ELONGATE FLAT ANVIL MEMBER MOUNTED ON SAID MANDREL AND EXTENDING SUBSTANTIALLY PARALLEL TO THE AXIS THEREOF AND SPACED THEREFROM IN SUCH MANNER AS TO OVERLIE A PORTION OF THE OUTER SURFACE OF SAID DUCT IN SUBSTANTIAL CONTACT THEREWITH AND ALSO FORM AN ULTRASONIC WELDING SURFACE FOR METALLIC FOIL COVERING THE OUTSIDE OF SAID DUCT AND SAID ANVIL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |