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US3322592A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for completing stacks of laminates

Assignee: Weyerhaeuser Co
•
Filing: 1963-06-10
•
Granted: 1967-05-30
•
Expires: 1983-06-10
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Abstract

No abstract record available.

Inventors

  • 👤 Henry M Preusser
  • 👤 Earl D Hasenwinkle
  • 👤 Robert L Bridges

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 03:42
CPC Classifications
B; B27; B27D; B27D1/00; B27D1/04; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1746; Y10T156/1751; Y10T156/1761; Y10T156/1776; Y10T156/1778

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 170 words
IN A METHOD OF MANUFACTURING LAMINATED PRODUCTS WHEREIN THE PRODUCTS ARE FORMED BY STACKING MODULES OF ONE LAMINA HAVING AT LEAST ONE SURFACE COATED WITH AN ADHESIVE FILM WITH OTHER UNCOATED LAMINA, THE PROCESS OF PLACING THE TOPPING UNCOATED LAMINA ON SUCH A STACK COMPRISING: CONVEYING THE LAST MODULE TO ONE STACK WITH THE ADHESIVE FILM EXPOSED, CONVEYING ADJACENT TO SAID STACK AN ASSEMBLY HAVING AS ITS LOWER MEMBER THE TOPPING LAMINA FOR SAID ONE STACK WITH THE FIRST MODULE OF THE NEXT STACK SUPERIMPOSED ABOVE IT, SEPARATING SAID TOPPING LAMINA FROM SAID FIRST MODULE BY CAUSING RELATIVE MOTION BETWEEN SAID TOPPING LAMINA AND THE CO-TRAVELING LAMINA OF SAID FIRST MODULE BY SAID FIRST STEP OF LOWERING A CONTACTING MEMBER INTO AN INTERFERENCE POSITION WITH RESPECT TO THE MODULE ABOVE SAID TOPPING LAMINA, THEREBY ALLOWING THE UNRESTRICTED TOPPING LAMINA TO PROCEED AT SUBSTANTIALLY THE CONVEYOR SPEED WHILE THE ABOVE MODULE IS HELD BACK, AND PLACING SAID SEPARATED TOPPING LAMINA ON SAID ONE STACK IN CONTACT WITH SAID EXPOSED ADHESIVE FILM.
Claim 2
Dependent Claim 170 words
IN A METHOD OF MANUFACTURING LAMINATED PRODUCTS WHEREIN THE PRODUCTS ARE FORMED BY STACKING MODULES OF ONE LAMINA HAVING AT LEAST ONE SURFACE COATED WITH AN ADHESIVE FILM WITH OTHER UNCOATED LAMINA, THE PROCESS OF PLACING THE TOPPING UNCOATED LAMINA ON SUCH A STACK COMPRISING: CONVEYING THE LAST MODULE TO ONE STACK WITH THE ADHESIVE FILM EXPOSED, CONVEYING ADJACENT TO SAID STACK AN ASSEMBLY HAVING AS ITS LOWER MEMBER THE TOPPING LAMINA FOR SAID ONE STACK WITH THE FIRST MODULE OF THE NEXT STACK SUPERIMPOSED ABOVE IT, SEPARATING SAID TOPPING LAMINA FROM SAID FIRST MODULE BY CAUSING RELATIVE MOTION BETWEEN SAID TOPPING LAMINA AND THE CO-TRAVELING LAMINA OF SAID FIRST MODULE BY SAID FIRST STEP OF LOWERING A CONTACTING MEMBER INTO AN INTERFERENCE POSITION WITH RESPECT TO THE MODULE ABOVE SAID TOPPING LAMINA, THEREBY ALLOWING THE UNRESTRICTED TOPPING LAMINA TO PROCEED AT SUBSTANTIALLY THE CONVEYOR SPEED WHILE THE ABOVE MODULE IS HELD BACK, AND PLACING SAID SEPARATED TOPPING LAMINA ON SAID ONE STACK IN CONTACT WITH SAID EXPOSED ADHESIVE FILM.

References Cited (Backward Citations)

US2323105A Cited
US2803459A Cited
US2703660A Cited
US3166312A Cited
US3247042A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-05-29 1970-11-28 1971-05-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-05-29 1974-11-28 1975-05-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-05-29 1978-11-28 1979-05-30 $7700.00 Window Closed / Lapsed

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