US3119632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joining dissimilar metal members
Assignee: Union Carbide Corp
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Filing: 1960-02-23
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Granted: 1964-01-28
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Expires: 1980-02-23
Abstract
No abstract record available.
Inventors
- 👤 Ransom P Skinner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:46
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
158 words
A PROCESS FOR UNITING IN A STRONG VACUUM-TIGHT JOINT ASSEMBLY A FIRST METALLIC VESSEL SELECTED FROM THE CLASS CONSISTING OF ALUMINUM AND ALUMINUM ALLOYS, SAID VESSEL HAVING A WALL SURROUNDING AN OPENING THEREIN, AND A SECOND TUBULAR METALLIC MEMBER SELECTED FROM THE CLASS CONSISTING OF FERROUS METALS, FERROUS ALLOYS, NICKEL, NICKEL ALLOYS, COPPER, AND COPPER ALLIYS COMPRISING THE STEPS OF PLACING A THIRD SILVER-CONTAINING METALLIC MEMBER IN ABUTTING RELATION TO SAID SECOND TUBULAR METALLIC MEMBER, PROVIDING IN PROXIMITY TO SAID ABUTTING REGION FILLER MATERIAL TAKEN FROM THE CLASS CONSISTING OF SILVER BRAZINE ALLOYS AND SILVER SOLDERS; APPLYING HEAT ALONG THE INTERFACE FORMED BY SUCH CORRESPONDING ABUTTING SURFACES TO EFFECT A METAL-BONDED BUTT-JOINT THEREBETWEEN, PLACING SAID THIRD METALLIC MEMBER IN ABUTTING RELATION TO THE WALLS SURROUNDING SAID OPENING OF SAID FIRST METALLIC VESSEL AND PROVIDING ALUMINUM BRAZING ALLOY FILLER MATERIAL, BRAZING FLUX AND HEAT ALONG THE INTERFACE FORMED BY SUCH CORRESPONDING ABUTTING SURFACES TO EFFECT A METAL-BONDED BUTTJOINT THEREBETWEEN.
Claim 2
Dependent Claim
158 words
A PROCESS FOR UNITING IN A STRONG VACUUM-TIGHT JOINT ASSEMBLY A FIRST METALLIC VESSEL SELECTED FROM THE CLASS CONSISTING OF ALUMINUM AND ALUMINUM ALLOYS, SAID VESSEL HAVING A WALL SURROUNDING AN OPENING THEREIN, AND A SECOND TUBULAR METALLIC MEMBER SELECTED FROM THE CLASS CONSISTING OF FERROUS METALS, FERROUS ALLOYS, NICKEL, NICKEL ALLOYS, COPPER, AND COPPER ALLIYS COMPRISING THE STEPS OF PLACING A THIRD SILVER-CONTAINING METALLIC MEMBER IN ABUTTING RELATION TO SAID SECOND TUBULAR METALLIC MEMBER, PROVIDING IN PROXIMITY TO SAID ABUTTING REGION FILLER MATERIAL TAKEN FROM THE CLASS CONSISTING OF SILVER BRAZINE ALLOYS AND SILVER SOLDERS; APPLYING HEAT ALONG THE INTERFACE FORMED BY SUCH CORRESPONDING ABUTTING SURFACES TO EFFECT A METAL-BONDED BUTT-JOINT THEREBETWEEN, PLACING SAID THIRD METALLIC MEMBER IN ABUTTING RELATION TO THE WALLS SURROUNDING SAID OPENING OF SAID FIRST METALLIC VESSEL AND PROVIDING ALUMINUM BRAZING ALLOY FILLER MATERIAL, BRAZING FLUX AND HEAT ALONG THE INTERFACE FORMED BY SUCH CORRESPONDING ABUTTING SURFACES TO EFFECT A METAL-BONDED BUTTJOINT THEREBETWEEN.
Claim 3
Dependent Claim
135 words
A COMPOSITE BUTT-JOINT ASSEMBLY COMPRISING A METALLIC VESSEL SELECTED FROM THE CLASS CONSISTING OF ALUMINUM AND ALUMINUM ALLOYS, SAID VESSEL HAVING A WALL SURROUNDING A CENTRAL OPENING THEREIN, A METALLIC TUBE SELECTED FROM THE CLASS CONSISTING OF FERROUS METALS, FERRUS ALLOYS NICKEL, NICKEL ALLOYS, COPPER, AND COPPER ALLOYS, A THIRD SILVER-CONTAINING METALLIC MEMBER HAVING ONE SURFACE ADAPTED TO ABUT SAID METALLIC TUBE AND ANOTHER SURFACE ADAPTED TO ABUT SAID METALLIC VESSEL ALONG THE WALL SURROUNDING SAID CENTRAL OPENING, A BRAZED JOINT UNITING SAID THIRD METALLIC MEMBER TO SAID METALLIC TUBE ALONG THE INTERFACE FORMED BY THE CORRESPONDING ABUTTING SURFACES THEREBETWEEN, A SECOND ALUMINUM BRAZED JOINT UNITING SAID THIRD METALLIC MEMBER TO SAID METALLIC VESSEL ALONG THE CORRESPONDING ABUTTING SURFACES OF SAID THIRD METALLIC MEMBER AND THE WALL SURROUNDING THE CENTRAL OPENING IN SAID METALLIC VESSEL.
Claim 4
Dependent Claim
135 words
A COMPOSITE BUTT-JOINT ASSEMBLY COMPRISING A METALLIC VESSEL SELECTED FROM THE CLASS CONSISTING OF ALUMINUM AND ALUMINUM ALLOYS, SAID VESSEL HAVING A WALL SURROUNDING A CENTRAL OPENING THEREIN, A METALLIC TUBE SELECTED FROM THE CLASS CONSISTING OF FERROUS METALS, FERRUS ALLOYS NICKEL, NICKEL ALLOYS, COPPER, AND COPPER ALLOYS, A THIRD SILVER-CONTAINING METALLIC MEMBER HAVING ONE SURFACE ADAPTED TO ABUT SAID METALLIC TUBE AND ANOTHER SURFACE ADAPTED TO ABUT SAID METALLIC VESSEL ALONG THE WALL SURROUNDING SAID CENTRAL OPENING, A BRAZED JOINT UNITING SAID THIRD METALLIC MEMBER TO SAID METALLIC TUBE ALONG THE INTERFACE FORMED BY THE CORRESPONDING ABUTTING SURFACES THEREBETWEEN, A SECOND ALUMINUM BRAZED JOINT UNITING SAID THIRD METALLIC MEMBER TO SAID METALLIC VESSEL ALONG THE CORRESPONDING ABUTTING SURFACES OF SAID THIRD METALLIC MEMBER AND THE WALL SURROUNDING THE CENTRAL OPENING IN SAID METALLIC VESSEL.
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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) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |