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US3179536A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for coating paper

Assignee: Kimberly Clark Corp
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Filing: 1961-05-19
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Granted: 1965-04-20
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Expires: 1981-05-19
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Abstract

No abstract record available.

Inventors

  • 👤 Richard W Martinek

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 12:46
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/32; D21H23/40; D21H5/00; D21H5/0005; D21H5/0012; D21H5/0015

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 187 words
A PROCESS OF MAKING COATED PAPER WHICH COMPRISES APPLYING TO A WEB OF PAPER FROM A POND OF A FLUID COATING COMPOSITION AN EXCESS OF THE COMPOSITION, SAID COMPOSTION COMPRISING A LIQUID VEHICLE CONTAINING IN AQUEOUS SUSPENSION A PIGMENT AND AN ADHESIVE, APPLYING SUCH COMPOSITION BY MOVING SAID WEB UPWARDLY ON A ROTATING RESILIENTLY COVERED BACKING ROLL WHICH FORMS A BOUNDARY OF THE POND, MOVING SAID WEB UPWARDLY INTO THE POND THROUGH A CONSTRICTED GAP WHICH IS CLOSED BY SAID COMPOSITION AND SAID WEB, SUBSEQUENTLY AFTER THE WEB HAS PASSED FROM THE SURFACE OF THE POND BUT WHILE THE SAID COMPOSITION IS STILL FLUID AND THE WEB IS ON THE BACKING ROLL, BLADING EXCESS COATING COMPOSITION FROM THE SAID MOVING WEB BY A FLEXIBLE BLADE IN PRESSURE ENGAGEMENT WITH THE BACKING ROLL AND WEB AND SPACED WELL ABOVE THE POND OF COATING COMPOSITION, AND LIMITING THE EXCESS OF COATING COMPOSITION CARRIED TO THE FLEXIBLE BLADE BY A ROLL WHICH IS POSITIONED IN THE SURFACE OF THE POND OF COMPOSITION AND WHICH ROLL IS ROTATED IN AN ANGULAR DIRECTION WHICH IS OPPOSITE TO THAT OF THE BACKING ROLL.

References Cited (Backward Citations)

US2038607A Cited
US1993055A Cited
US1983982A Cited
DE637354C Cited
US2257373A Cited
US2328183A Cited
US2796846A Cited
US2946307A Cited
US3079889A Cited
US3097107A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-04-19 1968-10-19 1969-04-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-04-19 1972-10-19 1973-04-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-04-19 1976-10-19 1977-04-20 $7700.00 Window Closed / Lapsed

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