Patent US3296014A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3296014A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for pressure cast coating

Assignee: Individual
•
Filing: 1964-03-04
•
Granted: 1967-01-03
•
Expires: 1984-03-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Robert C Williams

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 20:14
CPC Classifications
D; D21; D21H; D21H25/00; D21H25/08; D21H25/12; D21H5/00; D21H5/0005; D21H5/006; D21H5/0062; D21H5/0067

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 109 words
A HIGH TEMPERATURE PRESSURE CAST COATING METHOD UTILIZING A HARDENABLE COATING FORMULATION COMPRISING A VOLATILE LIQUID COMPONENT, SAID METHOD COMPRISING: (1) CONTACTING A WET COATING OF SAID COATING FORMULATION, APPLIED UPON A PAPER, WEB, WITH A CASTING SURFACE, (2) HEATING SAID COATING TO A TEMPERATURE ABOVE THE VAPORIZATION TEMPERATURE OF SAID VOLATILE LIQUID COMPONENT SO AS TO GENERATE VAPORS THEREOF, WHILE SIMULTANEOUSLY (3) COMPRESSING SAID COATING ON SAID WEB AGAINST SAID HEATED CASTING SURFACE BY PRESSURIZED AIR UNTIL SAID COATING IS CAST, AND THEREAFTER (4) RELEASING SAID CAST COATED WEB FROM SAID HEATED CASTING SURFACE BY RELEASING SAID AIR PRESSURE AND ALLOWING MOISTURE IN SAID WEB TO FLASH THEREFROM.
Claim 2
Dependent Claim 109 words
A HIGH TEMPERATURE PRESSURE CAST COATING METHOD UTILIZING A HARDENABLE COATING FORMULATION COMPRISING A VOLATILE LIQUID COMPONENT, SAID METHOD COMPRISING: (1) CONTACTING A WET COATING OF SAID COATING FORMULATION, APPLIED UPON A PAPER, WEB, WITH A CASTING SURFACE, (2) HEATING SAID COATING TO A TEMPERATURE ABOVE THE VAPORIZATION TEMPERATURE OF SAID VOLATILE LIQUID COMPONENT SO AS TO GENERATE VAPORS THEREOF, WHILE SIMULTANEOUSLY (3) COMPRESSING SAID COATING ON SAID WEB AGAINST SAID HEATED CASTING SURFACE BY PRESSURIZED AIR UNTIL SAID COATING IS CAST, AND THEREAFTER (4) RELEASING SAID CAST COATED WEB FROM SAID HEATED CASTING SURFACE BY RELEASING SAID AIR PRESSURE AND ALLOWING MOISTURE IN SAID WEB TO FLASH THEREFROM.

References Cited (Backward Citations)

US2428113A Cited
US3110612A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-02 1970-07-04 1971-01-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-02 1974-07-04 1975-01-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-02 1978-07-04 1979-01-03 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag