US3082735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for feeding and coating a web
Assignee: Columbia Ribbon and Carbon Manufacturing Co Inc
•
Filing: 1960-09-20
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Granted: 1963-03-26
•
Expires: 1980-09-20
Abstract
No abstract record available.
Inventors
- 👤 Vaccaro Angelo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:54
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/56; D21H5/00; D21H5/0005; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
242 words
A DEVICE FOR FEEDING A WEB FROM A SUPPLY OF FABRIC AND APPLYING MATERIAL TO THE FRONT SIDE THEREOF COMPRISING A GROUNDED POWER-OPERATED PULL ROLLER ENGAGING THE BACK SIDE OF THE WEB TO DRAW THE WEB FROM THE SUPPLY AND ADVANCE THE WEB; PROCESSING MEANS LOCATED BETWEEN THE PULL ROLLER AND THE SUPPLY ROLL AT THE FRONT SIDE OF THE WEB FOR APPLYING COATING MATERIAL THERETO; ELECTROSTATIC TENSIONING MEANS INCLUDING A VARIABLE ELECTROSTATIC CHARGING MEANS AND A GROUNDED TENSION DEVICE SPACED TO FORM A GAP BETWEEN ITSELF AND SAID CHARGING MEANS THROUGH WHICH THE WEB TRAVELS, SAID ELECTROSTATIC TENSIONING MEANS BEING LOCATED BETWEEN THE SUPPLY AND THE PROCESSING MEANS; AND A SECOND ELECTROSTATIC CHARGING MEANS SPACED ADJACENT TO BUT SPACED FROM SAID PULL ROLLER TO FORM BETWEEN ITSELF AND SAID PULL ROLLER A GAP THROUGH WHICH THE PROCESSED WEB TRAVELS FOR CAUSING THE BACK SIDE OF THE WEB TO ENGAGE SAID PULL ROLLER BY ELECTROSTATIC ATTRACTION AND PLACE A DRAG ON THE WEB TO ADVANCE THE SAME, THE VARIABLE ELECTROSTATIC CHARGING MEANS ASSOCIATED WITH THE TENSION DEVICE CAUSING THE BACK SIDE OF THE WEB TO ENGAGE SAID TENSION DEVICE BY ELECTROSTATIC ATTRACTION AND PLACE A VARIABLE DRAG ON THE WEB, THE DIFFERENCE IN DRAG PLACED ON THE WEB PASSING OVER SAID TENSION DEVICE AND PASSING OVER SAID PULL ROLLER BEING EFFECTIVE TO PLACE THE PORTION OF THE WEB WHICH IS BETWEEN SAID TENSION DEVICE AND SAID PULL ROLLER UNDER A PREDETERMINED TENSION.
Claim 2
Independent Claim
242 words
A DEVICE FOR FEEDING A WEB FROM A SUPPLY OF FABRIC AND APPLYING MATERIAL TO THE FRONT SIDE THEREOF COMPRISING A GROUNDED POWER-OPERATED PULL ROLLER ENGAGING THE BACK SIDE OF THE WEB TO DRAW THE WEB FROM THE SUPPLY AND ADVANCE THE WEB; PROCESSING MEANS LOCATED BETWEEN THE PULL ROLLER AND THE SUPPLY ROLL AT THE FRONT SIDE OF THE WEB FOR APPLYING COATING MATERIAL THERETO; ELECTROSTATIC TENSIONING MEANS INCLUDING A VARIABLE ELECTROSTATIC CHARGING MEANS AND A GROUNDED TENSION DEVICE SPACED TO FORM A GAP BETWEEN ITSELF AND SAID CHARGING MEANS THROUGH WHICH THE WEB TRAVELS, SAID ELECTROSTATIC TENSIONING MEANS BEING LOCATED BETWEEN THE SUPPLY AND THE PROCESSING MEANS; AND A SECOND ELECTROSTATIC CHARGING MEANS SPACED ADJACENT TO BUT SPACED FROM SAID PULL ROLLER TO FORM BETWEEN ITSELF AND SAID PULL ROLLER A GAP THROUGH WHICH THE PROCESSED WEB TRAVELS FOR CAUSING THE BACK SIDE OF THE WEB TO ENGAGE SAID PULL ROLLER BY ELECTROSTATIC ATTRACTION AND PLACE A DRAG ON THE WEB TO ADVANCE THE SAME, THE VARIABLE ELECTROSTATIC CHARGING MEANS ASSOCIATED WITH THE TENSION DEVICE CAUSING THE BACK SIDE OF THE WEB TO ENGAGE SAID TENSION DEVICE BY ELECTROSTATIC ATTRACTION AND PLACE A VARIABLE DRAG ON THE WEB, THE DIFFERENCE IN DRAG PLACED ON THE WEB PASSING OVER SAID TENSION DEVICE AND PASSING OVER SAID PULL ROLLER BEING EFFECTIVE TO PLACE THE PORTION OF THE WEB WHICH IS BETWEEN SAID TENSION DEVICE AND SAID PULL ROLLER UNDER A PREDETERMINED TENSION.
References Cited (Backward Citations)
US1349362A
Cited
US1386813A
Cited
US2447374A
Cited
US2152077A
Cited
US2221338A
Cited
US2417916A
Cited
US2724562A
Cited
US2750921A
Cited
US2731212A
Cited
US2955773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |