Patent US3106015A successfully refreshed from Google Patents.
US3106015A
Expired / Lapsed
US
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Apparatus and method for making sandwich panels
Assignee: Rohr Inc
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Filing: 1961-03-13
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Granted: 1963-10-08
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Expires: 1981-03-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas A Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:46
CPC Classifications
B; B21; B21D; B21D47/00; B23; B23K; B23K1/00; B23K1/0008; B23K1/0014; B23K2101/00; B23K2101/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49879
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE METHOD OF MAKING A SANDWICH PANEL HAVING PLANE SURFACES WHEREIN THE PLANE EDGS OF A METALLIC CELLULAR CORE ARE SECURED TO THE OPPOSING FACES OF TWO SPACED APART FLAT METALLIC SKINS, COMPRISING THE STEPS OF COVERING THE EDGES OF SAID CORE WITH A THIN LAYER OF BRAZING ALLOY; PLACING SAID CORE BETWEEN SAID SKINS IN ASSEMBLED RELATIONSHIP THEREWITH; ENCLOSING SAID SKINS AND CORE WITHIN A SEALED FLEXIBLE SHEET METAL ENVELOPE HAVING OPPOSING LAYERS AND LATERAL DIMENSIONS SUBSTANTIALLY GREATER THAN THOSE OF SAID PANEL SKINS WHEREBY SAID LAYERS OF THE ENVE LOPE ARE DRAWN TOWARD EACH OTHER AND AGAINST THE ASSEMBLED PANEL THEREBY TO URGE THE SKINS AND CORE INTO FIRM
Claim 2
Independent Claim
111 words
THE METHOD OF MAKING A SANDWICH PANEL HAVING PLANE SURFACES WHEREIN THE PLANE EDGS OF A METALLIC CELLULAR CORE ARE SECURED TO THE OPPOSING FACES OF TWO SPACED APART FLAT METALLIC SKINS, COMPRISING THE STEPS OF COVERING THE EDGES OF SAID CORE WITH A THIN LAYER OF BRAZING ALLOY; PLACING SAID CORE BETWEEN SAID SKINS IN ASSEMBLED RELATIONSHIP THEREWITH; ENCLOSING SAID SKINS AND CORE WITHIN A SEALED FLEXIBLE SHEET METAL ENVELOPE HAVING OPPOSING LAYERS AND LATERAL DIMENSIONS SUBSTANTIALLY GREATER THAN THOSE OF SAID PANEL SKINS WHEREBY SAID LAYERS OF THE ENVE LOPE ARE DRAWN TOWARD EACH OTHER AND AGAINST THE ASSEMBLED PANEL THEREBY TO URGE THE SKINS AND CORE INTO FIRM
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |