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US3218048A Expired / Lapsed US ⏱️ 0.0 years remaining

Packing for fractionating column and the like

Assignee: General Cable Corp
•
Filing: 1960-09-14
•
Granted: 1965-11-16
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Expires: 1980-09-14
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Stanton M Smith
  • 👤 Ralf L Hartwell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 14:36
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/30; B01J19/32; B01J2219/00; B01J2219/30; B01J2219/302; B01J2219/30223; B01J2219/30257; B01J2219/304; B01J2219/30408; B01J2219/30466; Y; Y10; Y10S; Y10S261/00; Y10S261/72

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 165 words
PACKING FOR VAPOR OR GAS AND LIQUID CONTACT COLUMNS, COMPRISING A PLURALITY OF SUPERPOSED CONTACTING LAYERS OF A FABRIC HAVING MESH FORMING OPENINGS OF A SIZE SUCH THAT THEY ARE NOT FILMED OVERBY THE LIQUID BEING TREATED, SAID FABRIC BEING COMPOSED OF CAPILLARY STRANDS CONSISTING OF A PLURALITY OF CONTINUOUS FILAMENTS OF A MATERIAL WHICH IS NON-ABSORBENT, NON-WICKING AND IMPERVIOUS TO THE LIQUID BEING TREATED, THE FILAMENTS IN SAID STRANDS LYING PARALLEL AND BEING SUBSTANTIALLY UNTWISTED TO FORM A GROUP THEREOF WHEREIN ADJACENT FILAMENTS ARE SO CLOSELY SPACED THAT LIQUID FLOWS ALONG THE SURFACES OF THE FILAMENTS AND IN THE INTER-FILAMENT SPACES DUE TO CAPILLARY ACTION, CONTIGUOUS LAYERS OF THE FABRIC BEING IN CONTACT TO FORM A BODY HAVING UNIFORMLY DISPOSED INTERCOMMUNICATING CELLS THROUGH WHICH THE VAPOR OR GAS CAN FREELY FLOW IN CONTACT WITH COUNTERFLOWING FILMS OF LIQUID FLOWING DOWNWARDLY ON THE CAPILLARY STRANDS, WITH A CONSEQUENT REPEATED SUBDIVISION AND RECOMBINATION OF BOTH VAPOR OR GAS AND THE LIQUID STREAMS PASSING THROUGH THE COLUMN.
Claim 2
Dependent Claim 165 words
PACKING FOR VAPOR OR GAS AND LIQUID CONTACT COLUMNS, COMPRISING A PLURALITY OF SUPERPOSED CONTACTING LAYERS OF A FABRIC HAVING MESH FORMING OPENINGS OF A SIZE SUCH THAT THEY ARE NOT FILMED OVERBY THE LIQUID BEING TREATED, SAID FABRIC BEING COMPOSED OF CAPILLARY STRANDS CONSISTING OF A PLURALITY OF CONTINUOUS FILAMENTS OF A MATERIAL WHICH IS NON-ABSORBENT, NON-WICKING AND IMPERVIOUS TO THE LIQUID BEING TREATED, THE FILAMENTS IN SAID STRANDS LYING PARALLEL AND BEING SUBSTANTIALLY UNTWISTED TO FORM A GROUP THEREOF WHEREIN ADJACENT FILAMENTS ARE SO CLOSELY SPACED THAT LIQUID FLOWS ALONG THE SURFACES OF THE FILAMENTS AND IN THE INTER-FILAMENT SPACES DUE TO CAPILLARY ACTION, CONTIGUOUS LAYERS OF THE FABRIC BEING IN CONTACT TO FORM A BODY HAVING UNIFORMLY DISPOSED INTERCOMMUNICATING CELLS THROUGH WHICH THE VAPOR OR GAS CAN FREELY FLOW IN CONTACT WITH COUNTERFLOWING FILMS OF LIQUID FLOWING DOWNWARDLY ON THE CAPILLARY STRANDS, WITH A CONSEQUENT REPEATED SUBDIVISION AND RECOMBINATION OF BOTH VAPOR OR GAS AND THE LIQUID STREAMS PASSING THROUGH THE COLUMN.

References Cited (Backward Citations)

US2388933A Cited
US2615699A Cited
US2470652A Cited
FR1043959A Cited
US2940168A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-15 1969-05-17 1969-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-15 1973-05-17 1973-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-15 1977-05-17 1977-11-16 $7700.00 Window Closed / Lapsed

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