US3259535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for treating mats of a loose fibrous or filamentary structure
Assignee: Flachglas Wernberg GmbH
•
Filing: 1962-03-21
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Granted: 1966-07-05
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Expires: 1982-03-21
Abstract
No abstract record available.
Inventors
- 👤 Roderich Wilhelm Graeff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:41
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/42; D04H1/4209; D04H1/4218; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29C70/088; B29C70/28; B29C70/40; B29C70/50; B29C70/504; D04H1/58; D04H1/593; D04H1/64; D04H1/645; D04H1/655; D04H1/70; D04H1/74; D04H3/00; B29K; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/0854; B29K2709/00; B29K2709/08; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1727; Y10T156/1729
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A METHOD OF TREATING MATS OF LOOSE FIBROUS MATERIALS USING MEANS FOR FEEDING THE MATS, MEANS FOR GUIDING AT LEAST ONE COVER SHEET INTO ASSOCIATION WITH A SIDE OF THE MATS, MEANS FOR APPLYING A FLUID HARDENABLE RESIN TO AT LEAST ONE SIDE OF THE MAT ON THE SAME SIDE AS THE COVER SHEET AND BEFORE THE COVER SHEET IS PPLIED TO THE RESPECTIVE SIDE, SMOOTH COOPERATING PRESSING ROLLERS FOR PRESSING THE COVER SHEET AND THE MAT AFTER THE PLASTIC MATERIAL IS APPLIED, AND A STATIONARY MEMBER HAVING A PLURALITY OF FIXED LENGTH LONG AND FLEXIBLE SUBSTANTIALLY PARALLEL THREADS EXTENDING ALONG THE PATH OF FEED OF THE MAT, COMPRISING FEEDING THE MAT ALONG PATH APPLYING THE PLASRIC MATERIAL TO AT LEAST ONE SIDE OF THE MAT AS THE MAT IS FED, PERMITTING THE THREADS OF THE STATIONARY MEMBER TO FALL ONTO THE PLASTIC MATERIAL APPLIED TO THE MAT AND TO EXTEND THEREALONG AS THE MAT IS FED, APPLYING THE COVER SHEET OVER THE THREADS, PRESSING THE MAT WITH THE COVER SHEET THEREON AND THE THREADS THEREBENEATH, AND WITHDRAWING THE MAT WITH THE COVER SHEET AWAY FROM THE THREADS SO THAT THE THREADS ARE WITHDRAW FROM UNDER THE COVER SHEET.
Claim 2
Independent Claim
199 words
A METHOD OF TREATING MATS OF LOOSE FIBROUS MATERIALS USING MEANS FOR FEEDING THE MATS, MEANS FOR GUIDING AT LEAST ONE COVER SHEET INTO ASSOCIATION WITH A SIDE OF THE MATS, MEANS FOR APPLYING A FLUID HARDENABLE RESIN TO AT LEAST ONE SIDE OF THE MAT ON THE SAME SIDE AS THE COVER SHEET AND BEFORE THE COVER SHEET IS PPLIED TO THE RESPECTIVE SIDE, SMOOTH COOPERATING PRESSING ROLLERS FOR PRESSING THE COVER SHEET AND THE MAT AFTER THE PLASTIC MATERIAL IS APPLIED, AND A STATIONARY MEMBER HAVING A PLURALITY OF FIXED LENGTH LONG AND FLEXIBLE SUBSTANTIALLY PARALLEL THREADS EXTENDING ALONG THE PATH OF FEED OF THE MAT, COMPRISING FEEDING THE MAT ALONG PATH APPLYING THE PLASRIC MATERIAL TO AT LEAST ONE SIDE OF THE MAT AS THE MAT IS FED, PERMITTING THE THREADS OF THE STATIONARY MEMBER TO FALL ONTO THE PLASTIC MATERIAL APPLIED TO THE MAT AND TO EXTEND THEREALONG AS THE MAT IS FED, APPLYING THE COVER SHEET OVER THE THREADS, PRESSING THE MAT WITH THE COVER SHEET THEREON AND THE THREADS THEREBENEATH, AND WITHDRAWING THE MAT WITH THE COVER SHEET AWAY FROM THE THREADS SO THAT THE THREADS ARE WITHDRAW FROM UNDER THE COVER SHEET.
References Cited (Backward Citations)
US2260081A
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US2370393A
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US2931421A
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US2782458A
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US2969301A
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US3158181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |