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US3042568A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for the manufacture of laminated fabric belting

Assignee: JC Ludowici and Son Ltd
•
Filing: 1960-02-23
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Granted: 1962-07-03
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Expires: 1980-02-23
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Abstract

No abstract record available.

Inventors

  • 👤 Ludowici Richard Egon
  • 👤 Lukins Warwick Edward
  • 👤 Simmons Ray Emmerson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 19:50
CPC Classifications
B; B32; B32B; B32B38/00; B32B38/0036; B32B27/00; B32B37/00; B32B37/14; B32B37/16; B32B37/20; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1727

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 204 words
AN IMPROVED METHOD FOR THE MANUFACTURE OF LAMINATED FABRIC BELTING, SAID METAL CONSISTING OF DRAWING FABRIC SHEET OF INDEFINITE LENGTH FROM A SPOOL AND IN A CONTINUOUS OPERATION, PASSING SAID SHEET THROUGH A TENSIONING DEVICE, DRYING THE SHEET TO REMOVE EXCESS MOISTURE, COOLING THE SHEET, PASSING THE SHEET THROUGH A COATING BATH, SCRAPING EXCESS COATING MATERIAL FROM THE SHEET HEATING THE SHEET TO SOLIDIFY THE COATING, FIXING A TAILER TO ONE END OF SAID FABRIC SHEET AND WINDING THE TAILER AND COATED FABRIC SHEET ON ANOTHER SPOOL, CONNECTING THE OTHER END OF EACH COATED FABRIC SHEET TO A HEAT RESISTANT LEADER, MOUNTING A PLURALITY OF SPOOLS HAVING THE COATED FABRIC SHEETS THEREON ON INDEPENDENT MOVABLE CARRIERS, CONNECTING SAID LEADERS TO A PULL THROUGH UNIT, DRAWING THE LEADERS AND THE RESPECTIVE SHEETS UNDER TENSION BETWEEN HEATERS, THROUGH A SUPPLEMENTARY HEATING ZONE, BETWEEN LAMINATING ROLLERS AND PRESSURE ROLLERS AND THROUGH A COOLING ZONE, THENCE OVER A GUIDE ROLLER OR ROLLERS, SEVERING THE LEADERS FROM THE LAMINATED BELT WHEN SAID LEADERS PASS THROUGH THE PULL THROUGH UNIT, PASSING THE LAMINATED BELT UNDER TENSION AROUND A WINDING ROLLER, STOPPING THE HEATING OPERATION AND SEVERING THE TAILERS FROM THE RESPECTIVE SHEETS PRIOR TO SAID TAILERS REACHING THE LAMINATING ROLLERS.

References Cited (Backward Citations)

US1929839A Cited
US2119476A Cited
US2711982A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-07-02 1966-01-01 1966-07-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-07-02 1970-01-01 1970-07-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-07-02 1974-01-01 1974-07-03 $7700.00 Window Closed / Lapsed

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