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US3104182A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for controlling edge beads

Assignee: Mead Corp
•
Filing: 1961-04-28
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Granted: 1963-09-17
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Expires: 1981-04-28
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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 20:45
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)

US1525829A Cited
GB608203A Cited
US2592914A Cited
US2974586A Cited

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

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