Patent US3136037A successfully refreshed from Google Patents.
US3136037A
Expired / Lapsed
US
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Method of constructing finned heat exchangers from bonded metal sheets
Assignee: Olin Corp
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Filing: 1955-10-31
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Granted: 1964-06-09
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Expires: 1975-10-31
Abstract
No abstract record available.
Inventors
- 👤 Robert L Solnick
- 👤 Gordon N Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:44
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/04; B21D53/045; F; F28; F28F; F28F19/00; F28F19/02; F28F3/00; F28F3/02; F28F3/04; F28F3/048; F28F3/12; F28F3/14; F28F2255/00; F28F2255/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366; Y10T29/49369; Y10T29/49371
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE METHOD OF FORMING AN EXTENDED SURFACE HEAT EXCHANGER FROM A FIRST METAL SHEET HAVING UNEXPANDED PASSAGES EXTENDING THEREIN SUBSTANTIALLY PARALLEL TO THE SHEET PLANE AND A SECOND METAL SHEET, INCLUDING SIMULTANEOUSLY PROGRESSIVELY JOINING SAID SHEETS IN FACING RELATION AND EXTRUDING INTERRUPTED SURFACE PORTIONS OF SAID SECOND SHEET RELATIVELY AWAY FROM SAID FIRST SHEET TO FORM OUTWARDLY EXTENDING SPACED PROJECTIONS BY PROGRESSIVE APPLICATION OF PRESSURE TO THE OUTER SIDES OF INTERMEDIATE SURFACE PORTIONS OF SAID SECOND SHEET URGING IT INTO HOLDING ENGAGEMENT WITH SAID FIRST SHEET AND EXPANDING SAID SECOND SHEET BY INTRODUCING PRESSURIZED FLUID INTO SAID PASSAGES ADAPTING THEM FOR PASSING FLUID THERETHROUGH IN HEAT EXCHANGE RELATION WITH SAID PROJECTIONS.
Claim 2
Independent Claim
111 words
THE METHOD OF FORMING AN EXTENDED SURFACE HEAT EXCHANGER FROM A FIRST METAL SHEET HAVING UNEXPANDED PASSAGES EXTENDING THEREIN SUBSTANTIALLY PARALLEL TO THE SHEET PLANE AND A SECOND METAL SHEET, INCLUDING SIMULTANEOUSLY PROGRESSIVELY JOINING SAID SHEETS IN FACING RELATION AND EXTRUDING INTERRUPTED SURFACE PORTIONS OF SAID SECOND SHEET RELATIVELY AWAY FROM SAID FIRST SHEET TO FORM OUTWARDLY EXTENDING SPACED PROJECTIONS BY PROGRESSIVE APPLICATION OF PRESSURE TO THE OUTER SIDES OF INTERMEDIATE SURFACE PORTIONS OF SAID SECOND SHEET URGING IT INTO HOLDING ENGAGEMENT WITH SAID FIRST SHEET AND EXPANDING SAID SECOND SHEET BY INTRODUCING PRESSURIZED FLUID INTO SAID PASSAGES ADAPTING THEM FOR PASSING FLUID THERETHROUGH IN HEAT EXCHANGE RELATION WITH SAID PROJECTIONS.
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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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |