Patent US3377223A successfully refreshed from Google Patents.
US3377223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite wood veneer and means for producing same
Assignee: Simpson Timber Co
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Filing: 1963-12-19
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Granted: 1968-04-09
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Expires: 1983-12-19
Abstract
No abstract record available.
Inventors
- 👤 Victor H Clausen
- 👤 Zweig Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:26
CPC Classifications
B; B27; B27D; B27D1/00; B27D1/10; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1749
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
THE METHOD OF MAKING A COMPOSITE WOOD VENEER WHICH COMPRISES: CONTINUOUSLY CONVEYING A PLURALITY OF VENEER STRIPS IN CLOSE EDGE-TO-EDGE ABUTTING RELATION IN A DIRECTION SUBSTANTIALLY PERPENDICULAR TO THE ABUTTING EDGES, HOLDING SAID STRIPS IN TIGHT ABUTTING RELATION WHILE THEY ARE BEING CONVEYED, GUIDING A PLURALITY OF SUBSTANTIALLY UNTWISTED CONTINUOUS FIBROUS STRANDS IN SPACED SUBSTANTIALLY PARALLEL RELATION ONTO THE SURFACES OF SAID STRIPS PERPENDICULAR TO AND ACROSS THE ABUTTING EDGES AND APPLYING THE STRANDS TO THE VENEER SURFACES WITH THERMOPLASTIC ADHESIVE, HEATING THE HTERMOPLASTIC ADHESIVE TO MAINTAIN IT IN A FLOWABLE STATE BEFORE THE STRANDS ARE GUIDED ONTO THE SURFACES OF THE STRIPS, AND SIMULTANEOUSLY FLATTENING SAID STRANDS ON THE VENEER SURFACES BY THE APPLICATION OF PRESSURE WHILE THE ADHESIVE IS IN THE FLOWABLE STATE AND PRODUCING A COOLING EFFECT TO CAUSE SAID ADHESIVE TO FORM A BOND BETWEEN THE STRANDS AND THE SURFACES OF THE VENEER STRIPS, WHEREBY SAID VENEER STRIPS ARE TEMPORARILY HELD TOGETHER BY SAID STRANDS TO FORM A COMPOSITE VENEER SHEET SUITABLE FOR PLYWOOD PANEL LAYUP.
Claim 2
Independent Claim
170 words
THE METHOD OF MAKING A COMPOSITE WOOD VENEER WHICH COMPRISES: CONTINUOUSLY CONVEYING A PLURALITY OF VENEER STRIPS IN CLOSE EDGE-TO-EDGE ABUTTING RELATION IN A DIRECTION SUBSTANTIALLY PERPENDICULAR TO THE ABUTTING EDGES, HOLDING SAID STRIPS IN TIGHT ABUTTING RELATION WHILE THEY ARE BEING CONVEYED, GUIDING A PLURALITY OF SUBSTANTIALLY UNTWISTED CONTINUOUS FIBROUS STRANDS IN SPACED SUBSTANTIALLY PARALLEL RELATION ONTO THE SURFACES OF SAID STRIPS PERPENDICULAR TO AND ACROSS THE ABUTTING EDGES AND APPLYING THE STRANDS TO THE VENEER SURFACES WITH THERMOPLASTIC ADHESIVE, HEATING THE HTERMOPLASTIC ADHESIVE TO MAINTAIN IT IN A FLOWABLE STATE BEFORE THE STRANDS ARE GUIDED ONTO THE SURFACES OF THE STRIPS, AND SIMULTANEOUSLY FLATTENING SAID STRANDS ON THE VENEER SURFACES BY THE APPLICATION OF PRESSURE WHILE THE ADHESIVE IS IN THE FLOWABLE STATE AND PRODUCING A COOLING EFFECT TO CAUSE SAID ADHESIVE TO FORM A BOND BETWEEN THE STRANDS AND THE SURFACES OF THE VENEER STRIPS, WHEREBY SAID VENEER STRIPS ARE TEMPORARILY HELD TOGETHER BY SAID STRANDS TO FORM A COMPOSITE VENEER SHEET SUITABLE FOR PLYWOOD PANEL LAYUP.
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) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |