US3322592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for completing stacks of laminates
Assignee: Weyerhaeuser Co
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Filing: 1963-06-10
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Granted: 1967-05-30
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Expires: 1983-06-10
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)
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 |