Patent US3074159A successfully refreshed from Google Patents.
US3074159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube and hub joining method
Assignee: MANUFACTURING PROCESS LABORATORIES
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Filing: 1958-09-12
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Granted: 1963-01-22
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Expires: 1978-09-12
Abstract
No abstract record available.
Inventors
- 👤 Brian E Baldwin
- 👤 Jr Louis J Marschak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:31
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/04; A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
IN A METHOD FOR JOINING A NEEDLE TUBE AND A HUB SAID HUB HAVING AN ENLARGED BODY PORTION, A REDUCED COLLAR PORTION AND A SHOULDER PORTION EXTENDING THEREBETWEEN, SAID COLLAR PORTION HAVING AN AXIAL OPENING THERETHROUGH OF SUBSTANTIALLY GREATER DIAMETER THAN THE OUTER DIAMETER OF SAID TUBE, THE STEPS OF THRUSTING A MANDREL INTO THE BODY PORTION OF SAID HUB UNTIL THE MANDREL''S END ENGAGES THE INSIDE OF SAID SHOULDER, INSERTING THE TUBE INTO THE OPENING OF SAID COLLAR PORTION UNTIL THE END OF THE TUBE ABUTS THE END OF SAID MANDREL, TEMPORARILY CONFINING SAID COLLAR PORTION AGAINST LATERAL EXPANSION, AXIALLY COMPRESSING SAID COLLAR PORTION TO FORCE THE MATERIAL THEREOF INWARDLY INTO TIGHT CONTACT WITH SAID TUBE AND TO INCREASE THE WALL THICKNESS OF SAID COLLAR PORTION, AND THEREAFTER CONTINUING THE AXIAL COMPRESSION OF SAID COLLAR PORTION UNTIL THE OUTER DIAMETER OF THE PORTION OF SAID TUBE IN TIGHT CONTACT WITH SAID COLLAR PORTION IS REDUCED TO A LIMITED EXTENT.
Claim 2
Dependent Claim
160 words
IN A METHOD FOR JOINING A NEEDLE TUBE AND A HUB SAID HUB HAVING AN ENLARGED BODY PORTION, A REDUCED COLLAR PORTION AND A SHOULDER PORTION EXTENDING THEREBETWEEN, SAID COLLAR PORTION HAVING AN AXIAL OPENING THERETHROUGH OF SUBSTANTIALLY GREATER DIAMETER THAN THE OUTER DIAMETER OF SAID TUBE, THE STEPS OF THRUSTING A MANDREL INTO THE BODY PORTION OF SAID HUB UNTIL THE MANDREL''S END ENGAGES THE INSIDE OF SAID SHOULDER, INSERTING THE TUBE INTO THE OPENING OF SAID COLLAR PORTION UNTIL THE END OF THE TUBE ABUTS THE END OF SAID MANDREL, TEMPORARILY CONFINING SAID COLLAR PORTION AGAINST LATERAL EXPANSION, AXIALLY COMPRESSING SAID COLLAR PORTION TO FORCE THE MATERIAL THEREOF INWARDLY INTO TIGHT CONTACT WITH SAID TUBE AND TO INCREASE THE WALL THICKNESS OF SAID COLLAR PORTION, AND THEREAFTER CONTINUING THE AXIAL COMPRESSION OF SAID COLLAR PORTION UNTIL THE OUTER DIAMETER OF THE PORTION OF SAID TUBE IN TIGHT CONTACT WITH SAID COLLAR PORTION IS REDUCED TO A LIMITED EXTENT.
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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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |