US4367110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decorative laminate and a manufacturing method therefor
Assignee: Toppan Inc
•
Filing: 1980-06-27
•
Granted: 1983-01-04
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Expires: 2000-06-27
Abstract
Abstract A laminated thermosetting decorative sheet has a three-dimensional pattern on its surface which consists of protruding parts and recessed parts forming smooth curves. This decorative laminate is manufactured by using a press plate having an enamel layer on the surface of a metal substrate.
Inventors
- 👤 Akira Yoshikawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:06
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/04; B44; B44C; B44C3/00; B44C3/04; B44C3/042; B44C3/08; B44C3/085; B44C5/00; B44C5/04; B44C5/0469; B44F; B44F11/00; B44F11/06; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
35 words
A method for manufacturing a decorative laminate including the step of hot pressing decorative laminate elements with a press plate that includes a dense enamel layer joined directly to the surface of a metal substrate.
Claim 2
Independent Claim
35 words
A method for manufacturing a decorative laminate including the step of hot pressing decorative laminate elements with a press plate that includes a dense enamel layer joined directly to the surface of a metal substrate.
Claim 3
Dependent Claim
18 words
The method of claim 1 wherein the enamel layer includes a surface defined by a smooth three-dimensional pattern.
Claim 4
Dependent Claim
41 words
The method of claim 1 wherein the enamel layer is formed by adding water and a mill addition agent to glass frit, kneading the mixture, coating the mixture on the metal substrate to form a layer, and thereafter firing the layer.
Claim 5
Dependent Claim
27 words
The method of claim 3 further including the step of printing a pattern with frit ink containing glass on the layer prior to the firing of same.
Claim 6
Dependent Claim
20 words
The method of claim 4 wherein the enamel layer is defined by protruding portions having at least two different heights.
References Cited (Backward Citations)
US2002806A
Cited
US3052590A
Cited
FR1460310A
Cited
FR1528741A
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FR1579534A
Cited
FR2087449A5
Cited
US3663349A
Cited
US3814647A
Cited
FR2205860A5
Cited
CA981124A
Cited
FR2330538B1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-01-03 | 1986-07-05 | 1987-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-03 | 1990-07-05 | 1991-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-03 | 1994-07-05 | 1995-01-04 | $7700.00 | Window Closed / Lapsed |