US3110643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacture of a laminated metal and wood product
Assignee: Elliott Bay Lumber Co
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Filing: 1960-10-10
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Granted: 1963-11-12
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Expires: 1980-10-10
Abstract
No abstract record available.
Inventors
- 👤 Verlan L Downing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:36
CPC Classifications
B; B27; B27D; B27D1/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31703; Y10T428/31971; Y10T428/31989
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
THE METHOD OF FORMING A LAMINATED METAL AND WOOD PRODUCT COMPRISING, PROVIDING A SHEET OF METALLIC MATERIAL HAVING A THICKNESS OF APPROXIMATELY 1/16 INCH AND A SHEET OF WOOD HAVING A THICKNESS OF APPROXIMATELY 1/48 INCH, PROVIDING A COATING OF THERMOSETTING RESINOUS CONTACT BOND ADHESIVE OF A THICKNESS OF APPROXIMATELY TWO MILLIMETERS ON ONE SURFACE OF EACH OF SAID SHEETS, PLACING SAID COATED SURFACES IN CONTACT WITH ONE ANOTHER AND APPLYING PRESSURE AND HEAT TO THE SHEETS TO PERMANENTLY BOND THE SHEETS TOGETHER, FORMING A BLANK FROM THE LAMINATED MATERIAL, SUBJECTING SAID BLANK TO A CONTROLLED STEAMING TREATMENT TO RAISE THE TEMPERATURE OF THE LAMINATED BLANK TO SOFTEN THE WOOD AND CAUSE IT TO ABSORB THAT REQUIRED AMOUNT OF MOISTURE THAT PERMITS BENDING, DRAWING AND COMPRESSING OF THE WOOD WITHOUT CRACKING DISCOLORATION, AND DAMAGE TO THE ADHESIVE BOND, IMMEDIATELY PLACING THE HEATED AND MOISTURE-LADEN BLAND IN A FORMING DIE HAVING COMPOUND CURVED SURFACES, APPLYING PRESSURE THROUGH THE INTERMEDIARY OF SAID FORMING DIE SO AS TO SIMULTANEOUSLY DRAW BOTH THE WOOD AND METAL AND SUBJECT THE WOOD SHEET TO STRETCHING, BENDING AND COMPRESSION, ALL OF WHICH IS ACCOMPLISHED WITHOUT CRACKING THE WOOD OR BREAKING OR OTHERWISE DAMAGING THE BOND, AND THEN DRYING THE FORMED PRODUCT.
Claim 2
Independent Claim
204 words
THE METHOD OF FORMING A LAMINATED METAL AND WOOD PRODUCT COMPRISING, PROVIDING A SHEET OF METALLIC MATERIAL HAVING A THICKNESS OF APPROXIMATELY 1/16 INCH AND A SHEET OF WOOD HAVING A THICKNESS OF APPROXIMATELY 1/48 INCH, PROVIDING A COATING OF THERMOSETTING RESINOUS CONTACT BOND ADHESIVE OF A THICKNESS OF APPROXIMATELY TWO MILLIMETERS ON ONE SURFACE OF EACH OF SAID SHEETS, PLACING SAID COATED SURFACES IN CONTACT WITH ONE ANOTHER AND APPLYING PRESSURE AND HEAT TO THE SHEETS TO PERMANENTLY BOND THE SHEETS TOGETHER, FORMING A BLANK FROM THE LAMINATED MATERIAL, SUBJECTING SAID BLANK TO A CONTROLLED STEAMING TREATMENT TO RAISE THE TEMPERATURE OF THE LAMINATED BLANK TO SOFTEN THE WOOD AND CAUSE IT TO ABSORB THAT REQUIRED AMOUNT OF MOISTURE THAT PERMITS BENDING, DRAWING AND COMPRESSING OF THE WOOD WITHOUT CRACKING DISCOLORATION, AND DAMAGE TO THE ADHESIVE BOND, IMMEDIATELY PLACING THE HEATED AND MOISTURE-LADEN BLAND IN A FORMING DIE HAVING COMPOUND CURVED SURFACES, APPLYING PRESSURE THROUGH THE INTERMEDIARY OF SAID FORMING DIE SO AS TO SIMULTANEOUSLY DRAW BOTH THE WOOD AND METAL AND SUBJECT THE WOOD SHEET TO STRETCHING, BENDING AND COMPRESSION, ALL OF WHICH IS ACCOMPLISHED WITHOUT CRACKING THE WOOD OR BREAKING OR OTHERWISE DAMAGING THE BOND, AND THEN DRYING THE FORMED PRODUCT.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |