US3090108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a rigid resilient tipped needle valve element
Assignee: Vernay Laboratories Inc
•
Filing: 1962-12-19
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Granted: 1963-05-21
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Expires: 1982-12-19
Abstract
No abstract record available.
Inventors
- 👤 Robert T Gifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:39
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/36; F16K1/38; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49412; Y10T29/49416; Y10T29/49417
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A METHOD OF MAKING A COMPOSITE SUBSTANTIALLY CONICAL VALVE ELEMENT HAVING A RIGID BODY AND AN UNDISTORTED RESILIENT TIP, THE BODY AND TIP CONFIGURATION BEING SUCH AS TO PROVIDE FOR MINIMAL TURBULENCE AND FLOW RESTRICTION IN USE, WHICH METHOD COMPRISES THE STEPS OF PROVIDING A RIGID BODY HAVING A SOCKET, PLACING SAID BODY IN CONTACT WITH THE INNER SURFACE OF A MOLD FOR SAID RESILIENT TIP, CAUSING THE MOLD TO ENGAGE SAID BODY SO AS TO SWAGE THE EXTERIOR PERIPHERY OF THE BODY IN THE REGION OF THE SOCKET INTO WHAT WILL BE AN UNITERRUPTED CONTINUATION OF THE CONFIGURATION OF THE TIP TO BE FORMED, AND THEN INJECTING RESILIENT MATERIAL INTO SAID MOLD TO FILL SAID SOCKET AND TO FORM SAID TIP, WHEREBY THE BODY CONSTITUTES AN UNINTERRUPTED CONTINUATION OF THE CONFIGURATION OF THE TIP AND WHEREBY NO SUBSTANTIAL AMOUNT OF THE INJECTED RESILIENT MATERIAL CAN ESCAPE BETWEEN THE MOLD AND BODY TO FORM ANY MATERIAL AMOUNT OF FLASH WHICH WOULD REQUIRE REMOVAL.
Claim 2
Independent Claim
163 words
A METHOD OF MAKING A COMPOSITE SUBSTANTIALLY CONICAL VALVE ELEMENT HAVING A RIGID BODY AND AN UNDISTORTED RESILIENT TIP, THE BODY AND TIP CONFIGURATION BEING SUCH AS TO PROVIDE FOR MINIMAL TURBULENCE AND FLOW RESTRICTION IN USE, WHICH METHOD COMPRISES THE STEPS OF PROVIDING A RIGID BODY HAVING A SOCKET, PLACING SAID BODY IN CONTACT WITH THE INNER SURFACE OF A MOLD FOR SAID RESILIENT TIP, CAUSING THE MOLD TO ENGAGE SAID BODY SO AS TO SWAGE THE EXTERIOR PERIPHERY OF THE BODY IN THE REGION OF THE SOCKET INTO WHAT WILL BE AN UNITERRUPTED CONTINUATION OF THE CONFIGURATION OF THE TIP TO BE FORMED, AND THEN INJECTING RESILIENT MATERIAL INTO SAID MOLD TO FILL SAID SOCKET AND TO FORM SAID TIP, WHEREBY THE BODY CONSTITUTES AN UNINTERRUPTED CONTINUATION OF THE CONFIGURATION OF THE TIP AND WHEREBY NO SUBSTANTIAL AMOUNT OF THE INJECTED RESILIENT MATERIAL CAN ESCAPE BETWEEN THE MOLD AND BODY TO FORM ANY MATERIAL AMOUNT OF FLASH WHICH WOULD REQUIRE REMOVAL.
References Cited (Backward Citations)
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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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |