US2732885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:36
CPC Classifications
D; D04; D04H; D04H5/00; D04H5/12; D04H1/00; D04H1/40; D04H1/42; D04H1/4209; D04H1/4218; D04H1/4226; D04H5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
THE METHOD OF MANUFACTURING A REINFORCED POROUS NON-WOVEN GLASS FIBROUS WEB, WHICH METHOD CONSISTS OF, ESTABLISHING MULTIPLE GLASS FIBER FORMING STATIONS AT EACH OF WHICH STAPLE GLASS FIBER IS PRODUCED, COLLECTING THE STAPLE FIBER AT EACH FORMING STATION SEPARATELY WITHIN SEPARATE FORMING HOODS ASSOCIATED WITH EACH STATION, EACH HOOD HAVING AN OPEN END FOR DISCHARGE OF FIBER THEREFROM, PASSING A COLLECTING BELT ACROSS THE OPEN END OF EACH HOOD IN SEQUENCE TO COLLECT THEREON IN SEQUENCE LAYERS OF GLASS FIBER DISCHARGED FROM THE FORMING HOODS THEREBY FORMING A NON-WOVEN GLASS FIBROUS WEB, DELIVERING INTO A FORMING HOOD A FREE CONTINUOUS LENGTH GLASS THREAD COLLECTED IN THE FLOW OF THE STAPLE FIBER IN RANDOM DISTRIBUTION THEREIN IN MOVEMENT TO THE OPEN END OF THE HOOD FOR COLLECTION ON THE BELT SIMULTANEOUSLY WITH THE STAPLE FIBER IN RANDOM DISTRIBUTION IN STAPLE FIBER LAYER, AND DEPOSITING IN THE WEB BETWEEN THE LAYERS OF FIBER COMPOSING THE SAME CONTINUOUS LENGTH GLASS THREADS EXTENDING LONGITUDINALLY OF THE WEB AND DISPOSED IN SPACED PARALLEL RELATIONSHIP.
Claim 2
Independent Claim
169 words
THE METHOD OF MANUFACTURING A REINFORCED POROUS NON-WOVEN GLASS FIBROUS WEB, WHICH METHOD CONSISTS OF, ESTABLISHING MULTIPLE GLASS FIBER FORMING STATIONS AT EACH OF WHICH STAPLE GLASS FIBER IS PRODUCED, COLLECTING THE STAPLE FIBER AT EACH FORMING STATION SEPARATELY WITHIN SEPARATE FORMING HOODS ASSOCIATED WITH EACH STATION, EACH HOOD HAVING AN OPEN END FOR DISCHARGE OF FIBER THEREFROM, PASSING A COLLECTING BELT ACROSS THE OPEN END OF EACH HOOD IN SEQUENCE TO COLLECT THEREON IN SEQUENCE LAYERS OF GLASS FIBER DISCHARGED FROM THE FORMING HOODS THEREBY FORMING A NON-WOVEN GLASS FIBROUS WEB, DELIVERING INTO A FORMING HOOD A FREE CONTINUOUS LENGTH GLASS THREAD COLLECTED IN THE FLOW OF THE STAPLE FIBER IN RANDOM DISTRIBUTION THEREIN IN MOVEMENT TO THE OPEN END OF THE HOOD FOR COLLECTION ON THE BELT SIMULTANEOUSLY WITH THE STAPLE FIBER IN RANDOM DISTRIBUTION IN STAPLE FIBER LAYER, AND DEPOSITING IN THE WEB BETWEEN THE LAYERS OF FIBER COMPOSING THE SAME CONTINUOUS LENGTH GLASS THREADS EXTENDING LONGITUDINALLY OF THE WEB AND DISPOSED IN SPACED PARALLEL RELATIONSHIP.
References Cited (Backward Citations)
GB189817549A
Cited
US921674A
Cited
US1338164A
Cited
US2165280A
Cited
US2543101A
Cited
US2477555A
Cited
US2528091A
Cited
US2552124A
Cited
US2481949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |