Patent US3220098A successfully refreshed from Google Patents.
US3220098A
Expired / Lapsed
US
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Method and means for forming tubular fittings with solder rings
Assignee: Individual
•
Filing: 1962-03-19
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Granted: 1965-11-30
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Expires: 1982-03-19
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Arbogast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:02
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/20; B23K2101/00; B23K2101/04; B23K2101/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49442; Y10T29/49444; Y10T29/49805; Y10T29/49826; Y10T29/49908; Y10T29/49938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
THE METHOD OF FORMING AN ENLARGED BELL AND A CIRCUMFERENTIAL BEAD ON A METAL TUBULAR MEMBER, CONSISTING OF THE STEPS OF POSITIONING SAID TUBULAR MEMBER IN THE CAVITY OF A DIE CONFORMING IN SHAPE TO THE DESIRED CONTOUR OF SAID BELL AND CIRCUMFERENTIAL BEAD, FORCING INTO SAID TUBULAR MEMBER A PLUNGER HAVING A CONTOUR CORRESPONDING TO THE DESIRED INNER SHAPE OF SAID BELL TO FORM A BELL ON THE END OF SAID MEMBER, SAID PLUNGER BEING ENCIRCLED BY A RING OF DEFORMABLE INCOMPRESSIBLE NON-RESILIENT FILLER MATERIAL AND AN ANNULAR FOLLOWER, PRESSING SAID ANNULAR FOLLOWER RELATIVE TO SAID PLUNGER AND AGAINST SAID RING WHILE IN THE PLANE OF SAID BEADOUTLINING DIE CAVITY PORTION TO EXTRUDE SAID RING AND RESHAPE SAID BELL INTO CONFORMITY WITH SAID BEADOUTLINING DIE CAVITY PORTION, AND WITHDRAWING SAID PLUNGER ENDWISE FROM SAID TUBULAR MEMBER WHILE RETAINING SAID EXTRUDED RING THEREIN.
Claim 2
Independent Claim
143 words
THE METHOD OF FORMING AN ENLARGED BELL AND A CIRCUMFERENTIAL BEAD ON A METAL TUBULAR MEMBER, CONSISTING OF THE STEPS OF POSITIONING SAID TUBULAR MEMBER IN THE CAVITY OF A DIE CONFORMING IN SHAPE TO THE DESIRED CONTOUR OF SAID BELL AND CIRCUMFERENTIAL BEAD, FORCING INTO SAID TUBULAR MEMBER A PLUNGER HAVING A CONTOUR CORRESPONDING TO THE DESIRED INNER SHAPE OF SAID BELL TO FORM A BELL ON THE END OF SAID MEMBER, SAID PLUNGER BEING ENCIRCLED BY A RING OF DEFORMABLE INCOMPRESSIBLE NON-RESILIENT FILLER MATERIAL AND AN ANNULAR FOLLOWER, PRESSING SAID ANNULAR FOLLOWER RELATIVE TO SAID PLUNGER AND AGAINST SAID RING WHILE IN THE PLANE OF SAID BEADOUTLINING DIE CAVITY PORTION TO EXTRUDE SAID RING AND RESHAPE SAID BELL INTO CONFORMITY WITH SAID BEADOUTLINING DIE CAVITY PORTION, AND WITHDRAWING SAID PLUNGER ENDWISE FROM SAID TUBULAR MEMBER WHILE RETAINING SAID EXTRUDED RING THEREIN.
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |