US3243327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a pressed plate
Assignee: Individual
•
Filing: 1962-05-14
•
Granted: 1966-03-29
•
Expires: 1982-05-14
Abstract
No abstract record available.
Inventors
- 👤 Hoppeler Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:53
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/20; B27N3/203; B27N3/18; B27N7/00; Y; Y10; Y10T; Y10T156/00; Y10T156/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
128 words
IN A METHOD OF PRODUCING COMPRESSED PLATES BY HOT PRESSING A MIXTURE CONSISTING ESSENTIALLY OF WOOD PARTICLES AND PULVERULENT SYNTHETIC BINDER MATERIAL, THE IMPROVEMENT WHICH CONSISTS IN FORMING A STREAM COMPRISING WOOD PARTICLES AND PULVERULENT SYNTHETIC BINDER MATERIAL ADAPTED TO BECOME ACTIVELY ADHESIVE WHEN HEATED TO A PREDETEMINED ELEVATED TEMPERATURE; COMPRESSING SUCCESSIVE PORTIONS OF SAID STGREAM WHILE HEATED TO AT LEAST SAID PREDETERMINED ELEVATED TEMPERATURE SO AS TO FORM HOT COMPRESSED PLATES; PLANING SAID COMPRESSED PLATES WHILE STILL HOT, THEREBY REMOVING HOT COMPRESSED SHAVINGS FROM SAID PLATES; AND REINTRODUCING AT LEAST A PORTION OF SAID REMOVED HOT COMPRESSED SHAVINGS WHILE THE SAME ARE STILL HOT INTO SAID STREAM COMPRISING WOOD PARTICLES AND BINDER MATERIAL BEFORE COMPRESSING THE SAME SO TGHAT THE COMPRESSED PLATES CONTAIN ALSO REMOVED COMPRESSED SHAVINGS.
Claim 2
Dependent Claim
128 words
IN A METHOD OF PRODUCING COMPRESSED PLATES BY HOT PRESSING A MIXTURE CONSISTING ESSENTIALLY OF WOOD PARTICLES AND PULVERULENT SYNTHETIC BINDER MATERIAL, THE IMPROVEMENT WHICH CONSISTS IN FORMING A STREAM COMPRISING WOOD PARTICLES AND PULVERULENT SYNTHETIC BINDER MATERIAL ADAPTED TO BECOME ACTIVELY ADHESIVE WHEN HEATED TO A PREDETEMINED ELEVATED TEMPERATURE; COMPRESSING SUCCESSIVE PORTIONS OF SAID STGREAM WHILE HEATED TO AT LEAST SAID PREDETERMINED ELEVATED TEMPERATURE SO AS TO FORM HOT COMPRESSED PLATES; PLANING SAID COMPRESSED PLATES WHILE STILL HOT, THEREBY REMOVING HOT COMPRESSED SHAVINGS FROM SAID PLATES; AND REINTRODUCING AT LEAST A PORTION OF SAID REMOVED HOT COMPRESSED SHAVINGS WHILE THE SAME ARE STILL HOT INTO SAID STREAM COMPRISING WOOD PARTICLES AND BINDER MATERIAL BEFORE COMPRESSING THE SAME SO TGHAT THE COMPRESSED PLATES CONTAIN ALSO REMOVED COMPRESSED SHAVINGS.
Claim 3
Dependent Claim
29 words
A METHOD ACCORDING TO CLAIM 1 WHEREIN AT A LEAST ONE FACE OF SID COMPRESSED PLATES AFTER PLANING AND REMOVAL OF HOT COMPRESSED HAVINGS THEREFROM IS SUBJECTED TO GRINDING.
Claim 4
Dependent Claim
20 words
A METHOD ACCORDING TO CLAIM 8 AND INCLUDING THE STEP OF APPLYING A WOOD VENEER TOTHE THUS FORMED GROUND FACE.
References Cited (Backward Citations)
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Cited
US1019407A
Cited
US2697254A
Cited
US2743758A
Cited
US2912041A
Cited
US2947654A
Cited
US2992152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |