US3144710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction sealing
Assignee: AMF Inc
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Filing: 1961-05-01
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Granted: 1964-08-18
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Hollander Milton Bernard
- 👤 Camps-Campins Michael Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:00
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/12; B23K20/129; B29; B29C; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/114; B29C66/1142; B29C66/12; B29C66/122; B29C66/1222; B29C66/12221; B29C66/1224; B29C66/124; B29C66/1242; B29C66/12423; B29C66/1244; B29C66/12441; B29C66/12445; B29C66/13; B29C66/131; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5344; B29C66/5346; B29C66/53465; B29C66/54; B29C66/70; B29C66/73; B29C66/731; B29C66/7316; B29C66/73161; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49694; Y10T29/49826; Y10T29/49908; Y10T29/49938
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
83 words
THE PROCESS OF JOINING TWO METAL MEMBERS COMPRISING THE STEPS OF PROVIDING A CIRCULAR GROOVE IN A FIRST MEMBER AND A CIRCULAR EDGE ON A SECOND MEMBER, ROTATING THE MEMBERS RELATIVE TO EACH OTHER, FORCING THE CIRCULAR EDGE OF THE SECOND MEMBER INTO THE GROOVE IN THE FIRST MEMBER UNTIL FRICTIONAL HEAT RENDERS MATERIAL WITHIN THE GROOVE PLASTIC, RAPIDLY STOPPING THE RELATIVE ROTATION OF THE MEMBERS, AND ALLOWING THE PLASTIC MATERIAL WITHIN THE GROOVE TO SOLIDIFY AND FORM A SEAL BETWEEN THE MEMBERS.
Claim 2
Dependent Claim
83 words
THE PROCESS OF JOINING TWO METAL MEMBERS COMPRISING THE STEPS OF PROVIDING A CIRCULAR GROOVE IN A FIRST MEMBER AND A CIRCULAR EDGE ON A SECOND MEMBER, ROTATING THE MEMBERS RELATIVE TO EACH OTHER, FORCING THE CIRCULAR EDGE OF THE SECOND MEMBER INTO THE GROOVE IN THE FIRST MEMBER UNTIL FRICTIONAL HEAT RENDERS MATERIAL WITHIN THE GROOVE PLASTIC, RAPIDLY STOPPING THE RELATIVE ROTATION OF THE MEMBERS, AND ALLOWING THE PLASTIC MATERIAL WITHIN THE GROOVE TO SOLIDIFY AND FORM A SEAL BETWEEN THE MEMBERS.
Claim 3
Dependent Claim
73 words
THE PROCESS OF FRICTION WELDING METAL WORKPIECES COMPRISING URGING A SINGLE METAL WORKPIECE IN ONE DIRECTION AGAINST A PLARLITY OF METAL WORKPIECES WHICH HAVE ADJACENT COPLANAR PORTIONS, ROTATING THE SINGLE WORKPIECE AND THE PLURALITY OF WORKPIECES RELATIVE TO EACH OTHER IN CONTACT WITH ALL SAID ADJACENT COPLANAR PORTIONS UNTIL THE RUBBING SURFACES ARE RENDERED PLASTIC BY FRICTIONAL HEAT, THEREAFTER STOPPING ROTATION AND MAINTAINING A FORGING PRESSURE BETWEENT EH WORKPIECE WHILE THE WORKPIECE COOL.
Claim 4
Dependent Claim
73 words
THE PROCESS OF FRICTION WELDING METAL WORKPIECES COMPRISING URGING A SINGLE METAL WORKPIECE IN ONE DIRECTION AGAINST A PLARLITY OF METAL WORKPIECES WHICH HAVE ADJACENT COPLANAR PORTIONS, ROTATING THE SINGLE WORKPIECE AND THE PLURALITY OF WORKPIECES RELATIVE TO EACH OTHER IN CONTACT WITH ALL SAID ADJACENT COPLANAR PORTIONS UNTIL THE RUBBING SURFACES ARE RENDERED PLASTIC BY FRICTIONAL HEAT, THEREAFTER STOPPING ROTATION AND MAINTAINING A FORGING PRESSURE BETWEENT EH WORKPIECE WHILE THE WORKPIECE COOL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |