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US3580778A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for plywood panel lay-up

Assignee: Jeddeloh Bros Sweed Mills Inc
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Filing: 1968-06-27
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Granted: 1971-05-25
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Expires: 1988-06-27
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Abstract

Abstract APPARATUS AND METHOD FOR LAYING UP PLYWOOD PANELS. INCLUDED IN THE APPARATUS IS A VENEER CONVEYOR FOR CARRYING A SERIES OF PRESIZED VENEER SHEETS IN ONE DIRECTION, AND A CORE CONVEYOR SPACED ABOVE THE VENEER CONVEYER FOR CARRYING CORE PIECES IN THE SAME DIRECTION. THE CORE CONVEYER CONVERGES ON THE VENEER CONVEYER TO PLACE CORE PIECES ON THE VENEER SHEETS AT A PLACEMENT STATION. SUPPLY MEANS UPSTREAM FROM THE PLACEMENT STATION DEPOSITS A CHARGE OF MULTIPLE CORE PIECES ON THE CORE CONVEYER, WITH THE GRAIN OF THE CORE PIECES EXTENDING TRANSVERSELY OF THE CORE CONVEYER. GLUE SPRAYERS ARE SUPPORTED ABOVE THE VENEER CONVEYER, WITH ONE UPSTREAM OF THE PLACEMENT STATION AND ANOTHER DOWNSTREAM OF THE PLACEMENT STATION. AND THESE APPLY GLUE TO THE UPPER FACES OF THE VENEER SHEETS AND THE UPPER FACES OF THE CORE PIECES, RESPECTIVELY.

Inventors

  • 👤 Charles L Larson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 15:17
CPC Classifications
B; B27; B27D; B27D1/00; B27D1/04; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/1092; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1751; Y10T156/1754; Y10T156/1759

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-05-24 1974-11-23 1975-05-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-05-24 1978-11-23 1979-05-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-05-24 1982-11-23 1983-05-25 $7700.00 Window Closed / Lapsed

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