US4061823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Highly machinable cotton-phenolic base for decorative assemblies
Assignee: Westinghouse Electric Corp
•
Filing: 1975-12-11
•
Granted: 1977-12-06
•
Expires: 1995-12-11
Abstract
Abstract A highly machinable, shapeable decorative laminate is made from a non-abrasive base core consisting of a plurality of sheets, each sheet consisting essentially of cotton linter fibers in paper form containing a curd phenolic resin, the core having superimposed thereon a print sheet impregnated with a cured thermoset resin.
Inventors
- 👤 Harold O. McCaskey, Jr.
- 👤 Salvatore E. Palazzolo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:17
CPC Classifications
B; B32; B32B; B32B29/00; B32B29/002; B32B29/005; B44; B44C; B44C5/00; B44C5/04; B44C5/0469; D; D21; D21H; D21H27/00; D21H27/18; D21H27/22; D21H27/26; D21H5/00; D21H5/0085; D21H5/0087; B32B2309/00; B32B2309/08; B32B2309/10; B32B2309/105; B32B2317/00; B32B2317/12; B32B2317/125; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24612; Y10T428/249921; Y10T428/249994; Y10T428/249998; Y10T428/25; Y10T428/253; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31957; Y10T428/31964; Y10T428/31967; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
126 words
A consolidated, unitary decorative assembly, comprising a decorative laminate, the decorative laminate having a machined surface, said decorative laminate comprising a non-abrasive, shapeable base core of a plurality of sheets, each sheet consisting of paper consisting of cotton linter fibers in felted form having lengths between about 5 mm. and about 40 mm. and diameters between about 0.010 mm. and about 0.040 mm., impreganted with a cured phenolic resin, the base core having the property of allowing machine cutting for 500 cycles per 11/2' of core edge surface without cratering a 90.0 Rockwell A hardness carbide tipped shaper blade, said core having superimposed thereon a decorative print sheet impregnated with a cured thermoset resin, and an outer protective overlay sheet impregnated with a cured thermoset resin.
Claim 2
Dependent Claim
126 words
A consolidated, unitary decorative assembly, comprising a decorative laminate, the decorative laminate having a machined surface, said decorative laminate comprising a non-abrasive, shapeable base core of a plurality of sheets, each sheet consisting of paper consisting of cotton linter fibers in felted form having lengths between about 5 mm. and about 40 mm. and diameters between about 0.010 mm. and about 0.040 mm., impreganted with a cured phenolic resin, the base core having the property of allowing machine cutting for 500 cycles per 11/2' of core edge surface without cratering a 90.0 Rockwell A hardness carbide tipped shaper blade, said core having superimposed thereon a decorative print sheet impregnated with a cured thermoset resin, and an outer protective overlay sheet impregnated with a cured thermoset resin.
Claim 3
Dependent Claim
21 words
The decorative assembly of claim 1 wherein the thermoset resin in the print and overlay is an amino triazine aldehyde resin.
Claim 4
Dependent Claim
29 words
The decorative assembly of claim 1 wherein the cotton linter paper is in random felted form and has a thickness of from about 0.010 inch to about 0.025 inch.
Claim 5
Dependent Claim
27 words
The decorative assembly of claim 2 wherein the print sheet and overlay sheet are selected from the group consisting of alpha cellulose paper and regenerated cellulose paper.
References Cited (Backward Citations)
US2314701A
Cited
US3013916A
Cited
US3318760A
Cited
US3373070A
Cited
US3558395A
Cited
US3767517A
Cited
US3940538A
Cited
US3946137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-12-05 | 1981-06-06 | 1981-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-05 | 1985-06-06 | 1985-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-05 | 1989-06-06 | 1989-12-06 | $7700.00 | Window Closed / Lapsed |