US2837450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding parts of light alloy heat exchangers
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1953-10-26
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Granted: 1958-06-03
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Expires: 1973-10-26
Abstract
No abstract record available.
Inventors
- 👤 Donald C Moore
- 👤 Dennis A Edge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:27
CPC Classifications
C; C22; C22C; C22C21/00; C22C21/06; C22C21/08; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/28; B23K35/286; B32; B32B; B32B15/00; B32B15/01; B32B15/016; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/12764
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A METHOD OF MANUFACTURE OF HEAT EXCHANGERS OF THE KIND COMPRISING A MATRIX WHEREIN HEAT TRANSFER TAKES PLACE FROM ONE MEDIUM TO ANOTHER AND ANCILLARY FITTINGS FOR CONVEYING THE TWO MEDIA TO THE MATRIX, WHICH COMPRISES FORMING THE MATRIX COMPONENTS FROM AN ALLOY CONTAINING 0.35-0.55% MAGNESIUM, 0.35-0.55% SILICON, 0-0.35% TITANIUM, 0-1% MANGANESSE, BALANCE ALUMINUM, BONDING THE SAID COMPONENT BY BRAXING PROCESS EMPLOYING ALUMINUM-SILICON ALLOY BRAZING MATERIAL, FORMING THE ANCILLARY PARTS OF THE HEAT EXCHANGER FROM AN ALLOY CONTAINING 0.5-1.0% MAGNESIUM, 0.75-1.25% SILICON, 0.2-0.35% TITANIUM, 0-1% MANGANESE, BALANCE ALUMINIUM, AND BRAZING THE SAID PARTS TO THE MATRIX.
Claim 2
Independent Claim
96 words
A METHOD OF MANUFACTURE OF HEAT EXCHANGERS OF THE KIND COMPRISING A MATRIX WHEREIN HEAT TRANSFER TAKES PLACE FROM ONE MEDIUM TO ANOTHER AND ANCILLARY FITTINGS FOR CONVEYING THE TWO MEDIA TO THE MATRIX, WHICH COMPRISES FORMING THE MATRIX COMPONENTS FROM AN ALLOY CONTAINING 0.35-0.55% MAGNESIUM, 0.35-0.55% SILICON, 0-0.35% TITANIUM, 0-1% MANGANESSE, BALANCE ALUMINUM, BONDING THE SAID COMPONENT BY BRAXING PROCESS EMPLOYING ALUMINUM-SILICON ALLOY BRAZING MATERIAL, FORMING THE ANCILLARY PARTS OF THE HEAT EXCHANGER FROM AN ALLOY CONTAINING 0.5-1.0% MAGNESIUM, 0.75-1.25% SILICON, 0.2-0.35% TITANIUM, 0-1% MANGANESE, BALANCE ALUMINIUM, AND BRAZING THE SAID PARTS TO THE MATRIX.
References Cited (Backward Citations)
US2602413A
Cited
US2695253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |