US3187386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Felting apparatus
Assignee: IND DEV CO Inc
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Filing: 1960-06-23
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Granted: 1965-06-08
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Expires: 1980-06-23
Abstract
No abstract record available.
Inventors
- 👤 Dale L Schubert
- 👤 Robert W Riley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:34
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/10; B27N3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN FELTING APPARATUS FOR MAKING MATS OF LIGNOCELLULOSE PARTICLES AND INCLUDING MAT CONVEYING MEANS, DECKLE MEANS ADJACENT THE SIDES OF THE MAT CONVEYING MEANS FOR CONFINING THE LONGITUDINAL SIDES OF A MAT FORMED ON THE CONVEYING MEANS, AND FELTING MEANS ARRANGED TO DEPOSIT LIGNOCELLULOSE PARTICLES ON THE CONVEYING MEANS BETWEEN THE DECKLE MEANS, AND WHEREIN THE APPARATUS IS CHARACTERIZED BY FORMING A MAT HAVING AN INTERMEDIATE PORTION OF SUBSTANTIALLY UNIFORM THICKNESS AND SIDE PORTIONS OF SUBSTANTIAL WIDTH WHICH ARE OF DIFFERENT THICKNESS THAN SAID INTERMEDIATE PORTION: THE COMBINATION THEREWITH OF EDGE TRIMMING APPARATUS COMPRISING LATERALLY SPACED CUTTER MEANS MOUNTED ABOVE THE MAT CONVEYING MEANS A SUBSTANTIAL DISTANCE INWARDLY OF THE PLANES OF THE DECKLE MEANS FOR SEVERING THE SAID SIDE PORTIONS OF THE MAT FROM THE INTERMEDIATE PORTION, THE DISINTEGRATING MEANS POSITIONED LATERALLY OUTWARD AND DOWNSTREAM OF THE CUTTER MEANS FOR DISINTEGRATING THE SEVERED SIDE PORTIONS OF THE MAT, AND CONVEYOR MEANS ADJACENT THE DISINTEGRATING MEANS FOR RETURNING THE PARTICLES TO THE FELTING MEANS.
Claim 2
Dependent Claim
164 words
IN FELTING APPARATUS FOR MAKING MATS OF LIGNOCELLULOSE PARTICLES AND INCLUDING MAT CONVEYING MEANS, DECKLE MEANS ADJACENT THE SIDES OF THE MAT CONVEYING MEANS FOR CONFINING THE LONGITUDINAL SIDES OF A MAT FORMED ON THE CONVEYING MEANS, AND FELTING MEANS ARRANGED TO DEPOSIT LIGNOCELLULOSE PARTICLES ON THE CONVEYING MEANS BETWEEN THE DECKLE MEANS, AND WHEREIN THE APPARATUS IS CHARACTERIZED BY FORMING A MAT HAVING AN INTERMEDIATE PORTION OF SUBSTANTIALLY UNIFORM THICKNESS AND SIDE PORTIONS OF SUBSTANTIAL WIDTH WHICH ARE OF DIFFERENT THICKNESS THAN SAID INTERMEDIATE PORTION: THE COMBINATION THEREWITH OF EDGE TRIMMING APPARATUS COMPRISING LATERALLY SPACED CUTTER MEANS MOUNTED ABOVE THE MAT CONVEYING MEANS A SUBSTANTIAL DISTANCE INWARDLY OF THE PLANES OF THE DECKLE MEANS FOR SEVERING THE SAID SIDE PORTIONS OF THE MAT FROM THE INTERMEDIATE PORTION, THE DISINTEGRATING MEANS POSITIONED LATERALLY OUTWARD AND DOWNSTREAM OF THE CUTTER MEANS FOR DISINTEGRATING THE SEVERED SIDE PORTIONS OF THE MAT, AND CONVEYOR MEANS ADJACENT THE DISINTEGRATING MEANS FOR RETURNING THE PARTICLES TO THE FELTING MEANS.
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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |