US3029475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for admixing reinforcing materials and viscous liquid materials
Assignee: Owens Corning
•
Filing: 1958-12-29
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Granted: 1962-04-17
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Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Andrew L Bastone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:03
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/04; Y; Y10; Y10S; Y10S264/00; Y10S264/53; Y10T; Y10T428/00; Y10T428/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A METHOD FOR ADMIXING REINFORCING MATERIAL AND A VISCOUS LIQUID MATERIAL WHICH IS CONVERTIBLE TO A CURED HARDENED CONDITION BY ADDITION POLYMERIZATION, WHICH METHOD COMPRISES: CENTRIFUGING A SELECTED QUANTITY OF THE VISCOUS MATERIAL TO FORM ANNNULAR BODY THEREOF; CENTRIFUGALLY FORMING AN INNER ANNULAR BODY THEREOF; CONTACT THEREWITH FORM A SECOND LIQUID MATERIAL WHICH IS LESS DENSE THAN THE VISCOUS MATERIAL AND WHICH IS COMPATIBLE THEREWITH AT LEAST IN SURFACE CONTACT AND WITH WHICH THE REINFORCING MATERIAL IS AT LEAST COMPATIBLE; FLOWING A SELECTED QUANTITY OF THE REINFORCING MATERIAL INTO AND THROUGH THE SECOND MATERIAL AND INTO THE VISCOUS MATERIAL BY CENTRIFUGAL FORCE; AND REMOVING THE UNCOMBINED RESIDUE OF THE SECOND MATERIAL AND INTO THE VISCOUS THE VISCOUS MATERIAL.
Claim 2
Independent Claim
118 words
A METHOD FOR ADMIXING REINFORCING MATERIAL AND A VISCOUS LIQUID MATERIAL WHICH IS CONVERTIBLE TO A CURED HARDENED CONDITION BY ADDITION POLYMERIZATION, WHICH METHOD COMPRISES: CENTRIFUGING A SELECTED QUANTITY OF THE VISCOUS MATERIAL TO FORM ANNNULAR BODY THEREOF; CENTRIFUGALLY FORMING AN INNER ANNULAR BODY THEREOF; CONTACT THEREWITH FORM A SECOND LIQUID MATERIAL WHICH IS LESS DENSE THAN THE VISCOUS MATERIAL AND WHICH IS COMPATIBLE THEREWITH AT LEAST IN SURFACE CONTACT AND WITH WHICH THE REINFORCING MATERIAL IS AT LEAST COMPATIBLE; FLOWING A SELECTED QUANTITY OF THE REINFORCING MATERIAL INTO AND THROUGH THE SECOND MATERIAL AND INTO THE VISCOUS MATERIAL BY CENTRIFUGAL FORCE; AND REMOVING THE UNCOMBINED RESIDUE OF THE SECOND MATERIAL AND INTO THE VISCOUS THE VISCOUS MATERIAL.
References Cited (Backward Citations)
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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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |