US3006797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and machine for producing fibrous mats
Assignee: Johns Manville Fiber Glass Inc
•
Filing: 1956-03-19
•
Granted: 1961-10-31
•
Expires: 1976-03-19
Abstract
No abstract record available.
Inventors
- 👤 Labino Dominick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:25
CPC Classifications
E; E04; E04D; E04D5/00; E04D5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
APPARATUS FOR PRODUCING A BONDED FIBROUS MAT COMPRISING, MEANS FOR PRODUCING A GASEOUS FLOW STREAM OF HIGH VELOCITY, MEANS FOR DIVIDING A CONTINUOUS MULTIFIBERED STRAND INTO UNIT LENGTHS AND DIRECTING SAID LENGTHS INTO SAID FLOW STREAM, A FIRST DUCT ADAPTED TO RECEIVE SAID FLOW STREAM AND ENTRAINED STRAND LENGTHS AND FORM SAID FLOW STREAM INTO AN ELONGATED RECTANGULAR BAND, SAID FIRST DUCT HAVING A DISCHARGE OPENING, A SECOND DUCT, SAID SECOND DUCT HAVING AN ENTRANCE OPENING, SAID ENTRANCE OPENING BEING POSITIONED IN COACTING SPACED RELATION TO SAID DISCHARGE OPENING AND PARTIALLY EXPOSED TO THE ATMOSPHERE, SAID SECOND DUCT BEING ADAPTED TO RECEIVE THE FLOW STREAM FROM SAID FIRST DUCT AND DIFFUSE IT IN ENLARGING ARRAY, MEANS FOR COLLECTING THE FIBERS FROM SAID SECOND DUCT AS A UNIFORM RANDOM MAT, MEANS FOR COATING SAID MAT WITH A FLUIDIZED BINDER, AND MEANS FOR HARDENING SAID BINDER.
Claim 2
Dependent Claim
144 words
APPARATUS FOR PRODUCING A BONDED FIBROUS MAT COMPRISING, MEANS FOR PRODUCING A GASEOUS FLOW STREAM OF HIGH VELOCITY, MEANS FOR DIVIDING A CONTINUOUS MULTIFIBERED STRAND INTO UNIT LENGTHS AND DIRECTING SAID LENGTHS INTO SAID FLOW STREAM, A FIRST DUCT ADAPTED TO RECEIVE SAID FLOW STREAM AND ENTRAINED STRAND LENGTHS AND FORM SAID FLOW STREAM INTO AN ELONGATED RECTANGULAR BAND, SAID FIRST DUCT HAVING A DISCHARGE OPENING, A SECOND DUCT, SAID SECOND DUCT HAVING AN ENTRANCE OPENING, SAID ENTRANCE OPENING BEING POSITIONED IN COACTING SPACED RELATION TO SAID DISCHARGE OPENING AND PARTIALLY EXPOSED TO THE ATMOSPHERE, SAID SECOND DUCT BEING ADAPTED TO RECEIVE THE FLOW STREAM FROM SAID FIRST DUCT AND DIFFUSE IT IN ENLARGING ARRAY, MEANS FOR COLLECTING THE FIBERS FROM SAID SECOND DUCT AS A UNIFORM RANDOM MAT, MEANS FOR COATING SAID MAT WITH A FLUIDIZED BINDER, AND MEANS FOR HARDENING SAID BINDER.
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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) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |