US3104182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling edge beads
Assignee: Mead Corp
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Filing: 1961-04-28
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Granted: 1963-09-17
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Expires: 1981-04-28
Abstract
No abstract record available.
Inventors
- 👤 Charles H Schneider
- 👤 Leslie R Arledge
- 👤 Herbert D Hamilton
- 👤 William G Cassill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:41
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/56; D21H23/32; D21H23/34; D21H5/00; D21H5/0005; D21H5/0025; D21H5/003; D21H5/0032; D21H5/0035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A COATING MACHINE HAVING A CYLINDERICAL ROLL CARRYING A FILM OF FLUID COATING MATERIAL ON THE SURFACE THEREOF, A DOCTORING DEVICE FOR REMOVING SAID COATING MATEIRAL FROM AN END PORTION OF THE SURFACE OF SAID ROLL COMPRISING A DOCTORING MEMBER HAVING A TIP PORTION, THE CENTRAL PART OF WHICH CONTACTS SAID ROLL SURFACES IN A CURVED LINE, SAID MEMBER HAVING PORTIONS FORMING ACUTE ANGLES WITH THEIR PROJECTION ON THE SURFACE OF SAID ROLL WHEREBY THE EDGES OF THE FILM OF COATING MATERIAL ADJACENT THE DOCTORED AREA OF THE ROLL SURFACE ARE TAPERED TOWARD A FEATHER EDGE AND FREE OF THICKENED RIDGES OF SAID COATING MATETIAL.
Claim 2
Dependent Claim
106 words
IN A COATING MACHINE HAVING A CYLINDERICAL ROLL CARRYING A FILM OF FLUID COATING MATERIAL ON THE SURFACE THEREOF, A DOCTORING DEVICE FOR REMOVING SAID COATING MATEIRAL FROM AN END PORTION OF THE SURFACE OF SAID ROLL COMPRISING A DOCTORING MEMBER HAVING A TIP PORTION, THE CENTRAL PART OF WHICH CONTACTS SAID ROLL SURFACES IN A CURVED LINE, SAID MEMBER HAVING PORTIONS FORMING ACUTE ANGLES WITH THEIR PROJECTION ON THE SURFACE OF SAID ROLL WHEREBY THE EDGES OF THE FILM OF COATING MATERIAL ADJACENT THE DOCTORED AREA OF THE ROLL SURFACE ARE TAPERED TOWARD A FEATHER EDGE AND FREE OF THICKENED RIDGES OF SAID COATING MATETIAL.
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |