US3074839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making honeycomb material
Assignee: MESSRS DUFAYLITE DEVELOPMENTS
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Filing: 1957-09-13
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Granted: 1963-01-22
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Expires: 1977-09-13
Abstract
No abstract record available.
Inventors
- 👤 May George
- 👤 Gorell John Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:16
CPC Classifications
B; B31; B31D; B31D3/00; B31D3/02; B31D3/0223; B31D3/0276; D; D21; D21J; D21J1/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T156/1007; Y10T156/1015; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49879; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24116; Y10T428/24149; Y10T428/2419; Y10T428/24215; Y10T428/24223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A METHOD OF PRODUCING A STRUCTURAL HONEYCOMB MATERIAL, WHICH CONSISTS IN SUPPLYING A CONTINUOUS WEB OF MATERIAL, ACCUMULATING SAID CONTINUOUS WEB INTO A STACK OF A DESIRED THICKNESS OF SUPERIMPOSED LAYERS WITH ALL LAYERS BEING OF THE SAME LENGTH, APPLYING PARALLEL EQUALLY SPACED LINES OF ADHESIVE TO EACH OF SAID LAYERS TRANSVERSELY TO THE DIRECTION IN WHICH SAID CONTINUOUS WEB IS SUPPLIED WITH THE LINES OF ADHESIVE OF EACH ADJACENT TWO LAYERS IN SAID STACK BEING STAGGRED RELATIVE TO ONE ANOTHER WITH SAID ADHESIVE BONDING SAID LAYERS TOGETHER ALONG SAID LINES OF ADHESIVE, SLICING SAID STACK TRANSVERSELY OF SAID LINES OF ADHESIVE AND THEN EXPANDING THE SLICE SO OBTAINED TO PROVIDE A HONEYCOMB MATERIAL.
Claim 2
Independent Claim
114 words
A METHOD OF PRODUCING A STRUCTURAL HONEYCOMB MATERIAL, WHICH CONSISTS IN SUPPLYING A CONTINUOUS WEB OF MATERIAL, ACCUMULATING SAID CONTINUOUS WEB INTO A STACK OF A DESIRED THICKNESS OF SUPERIMPOSED LAYERS WITH ALL LAYERS BEING OF THE SAME LENGTH, APPLYING PARALLEL EQUALLY SPACED LINES OF ADHESIVE TO EACH OF SAID LAYERS TRANSVERSELY TO THE DIRECTION IN WHICH SAID CONTINUOUS WEB IS SUPPLIED WITH THE LINES OF ADHESIVE OF EACH ADJACENT TWO LAYERS IN SAID STACK BEING STAGGRED RELATIVE TO ONE ANOTHER WITH SAID ADHESIVE BONDING SAID LAYERS TOGETHER ALONG SAID LINES OF ADHESIVE, SLICING SAID STACK TRANSVERSELY OF SAID LINES OF ADHESIVE AND THEN EXPANDING THE SLICE SO OBTAINED TO PROVIDE A HONEYCOMB MATERIAL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |