US3355274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and means for manufacturing electron tube sockets
Assignee: INDUSTRIELLE FRANCAISE DES TUBES ELECTRONIQUES Cie
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Filing: 1964-11-05
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Granted: 1967-11-28
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Expires: 1984-11-05
Abstract
No abstract record available.
Inventors
- 👤 Patriarche Pierre
- 👤 Letournier Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:57
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/24; H01J9/32; C; C03; C03C; C03C27/00; C03C27/02; H01J19/00; H01J19/42; H01J19/46; H01J2893/00; H01J2893/0001; H01J2893/0002; H01J2893/0005; H01J2893/0006; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
254 words
A METHOD OF MANUFACTURING AN ELECTRON TUBE BASE COMPRISING, DISPOSING TEMPORARILY IN A SUPPORTED CONDITION A PLURALITY OF PRE-SHAPED LEADS OF SAID ELECTRON TUBE IN POSITIONS RELATIVELY FIXED CORRESPONDING TO AN ARRANGEMENT OF POSITION IN WHICH SAID LEADS ARE DISPOSED PERMANENTLY ANGULARLY SPACED IN SAID ELECTRON TUBE BASE, INSERTING SAID LEADS INTO LEAD-INSERTION HOLES RECEIVING SAID LEADS ON A DISC-SHAPED, DESTRUCTIBLE, METALLIC FILM DIE AND SUPPORTING SAID DIE ON A BOTTOM SIDE SURFACE THEREOF WITH SAID LEADS EXTENDING THROUGH SAID LEAD-INSERTION HOLES AND TRANSVERSELY OF SAID DIE, DISPOSING GLASS PARTICLES OVER A TOP SIDE SURFACE OF SAID DIE OPPOSITE TO THE BOTTOM SIDE SURFACE, CONFINING SAID GLASS PARTICLES AND SAID DESTRUCTIBLE DIE IN A SPACE OF CONFINEMENT, MELTING SAID GLASS PARTICLES INTO AN INTEGRAL MASS DEFINING SAID BASE, APPLYING PRESSURE TO THE MOLTEN GLASS WHILE CONFINED DIRECTING PRESSURE FORCES TOWARD SAID DIE TO MAKE THE MOLTEN GLASS FLOW INTO ALL PORTIONS OF SAID SPACE OF CONFINEMENT THEREOF TO SHAPE THE MOLTEN GLASS INTO A DESIRED CONFIGURATION OF SAID BASE AND TO FLOW ABOUT EACH LEAD ALONG A LIMITED AXIAL LENGTH THEREOF FOR ADHERENCE TO EACH LEAD AND FOR HOLDING SAID LEADS AXIALLY IN FIXED POSITIONS AND FIXED ANGULARLY RELATIVE TO EACH OTHER WHEN THE MASS OF MOLTEN GLASS HARDENS, SETTING THE MOLTEN GLASS SUFFICIENTLY FOR REMOVAL OF SAID DESTRUCTIBLE DIE AND SAID MASS OF GLASS THEREON FROM THE SPACE OF CONFINEMENT THEREOF, REMOVING SAID DIE AND MASS OF GLASS FROM SAID SPACE OF CONFINEMENT, AND REMOVING SAID METALLIC DESTRUCTIBLE DIE FROM THE TUBE BASE.
Claim 2
Independent Claim
254 words
A METHOD OF MANUFACTURING AN ELECTRON TUBE BASE COMPRISING, DISPOSING TEMPORARILY IN A SUPPORTED CONDITION A PLURALITY OF PRE-SHAPED LEADS OF SAID ELECTRON TUBE IN POSITIONS RELATIVELY FIXED CORRESPONDING TO AN ARRANGEMENT OF POSITION IN WHICH SAID LEADS ARE DISPOSED PERMANENTLY ANGULARLY SPACED IN SAID ELECTRON TUBE BASE, INSERTING SAID LEADS INTO LEAD-INSERTION HOLES RECEIVING SAID LEADS ON A DISC-SHAPED, DESTRUCTIBLE, METALLIC FILM DIE AND SUPPORTING SAID DIE ON A BOTTOM SIDE SURFACE THEREOF WITH SAID LEADS EXTENDING THROUGH SAID LEAD-INSERTION HOLES AND TRANSVERSELY OF SAID DIE, DISPOSING GLASS PARTICLES OVER A TOP SIDE SURFACE OF SAID DIE OPPOSITE TO THE BOTTOM SIDE SURFACE, CONFINING SAID GLASS PARTICLES AND SAID DESTRUCTIBLE DIE IN A SPACE OF CONFINEMENT, MELTING SAID GLASS PARTICLES INTO AN INTEGRAL MASS DEFINING SAID BASE, APPLYING PRESSURE TO THE MOLTEN GLASS WHILE CONFINED DIRECTING PRESSURE FORCES TOWARD SAID DIE TO MAKE THE MOLTEN GLASS FLOW INTO ALL PORTIONS OF SAID SPACE OF CONFINEMENT THEREOF TO SHAPE THE MOLTEN GLASS INTO A DESIRED CONFIGURATION OF SAID BASE AND TO FLOW ABOUT EACH LEAD ALONG A LIMITED AXIAL LENGTH THEREOF FOR ADHERENCE TO EACH LEAD AND FOR HOLDING SAID LEADS AXIALLY IN FIXED POSITIONS AND FIXED ANGULARLY RELATIVE TO EACH OTHER WHEN THE MASS OF MOLTEN GLASS HARDENS, SETTING THE MOLTEN GLASS SUFFICIENTLY FOR REMOVAL OF SAID DESTRUCTIBLE DIE AND SAID MASS OF GLASS THEREON FROM THE SPACE OF CONFINEMENT THEREOF, REMOVING SAID DIE AND MASS OF GLASS FROM SAID SPACE OF CONFINEMENT, AND REMOVING SAID METALLIC DESTRUCTIBLE DIE FROM THE TUBE BASE.
Claim 3
Dependent Claim
281 words
A MOLD FOR MANUFACTURING AN ELECTRON TUBE BASE COMPRISING, MEANS FOR DISPOSING TEMPORARILY IN A SUPPORTED CONDITION A PLURALITY OF PRE-SHAPED LEADS OF SAID ELECTRON TUBE IN POSITIONS RELATIVELY FIXED CORRESPONDING TO AN ARRANGEMENT OF POSITIONS IN WHICH SAID LEADS ARE DISPOSED PERMANENTLY ANGULARLY SPACED IN SAID ELECTRON TUBE BASE INCLUDING MEANS FOR RECEIVING A DISC-SHAPED, DESTRUCTIBLE, METALLIC FILM DIE HAVING LEAD-INSERTION HOLES AND FOR SUPPORTING SAID DIE ON A BOTTOM SIDE SURFACE THEREOF WITH SAID LEADS INSERTED IN SAID HOLES EXTENDING THROUGH SAID LEAD-INSERTION HOLES AND TRANSVERSELY OF SAID DIE, MEANS DEFINING A CAVITY FOR RECEIVING GLASS PARTICLES OVER A TOP SIDE SURFACE OF SAID DIE OPPOSITE TO THE BOTTOM SIDE SURFACE INCLUDING REMOVABLE MEANS COOPERATIVE WITH THE LAST-MENTIONED MEANS FOR CONFINING SAID GLASS PARTICLES, SAID DESTRUCTIBLE DIE AND A LENGTH OF EACH OF SAID LEADS ADJACENT SAID DESTRUCTIBLE DIE IN A SPACE OF CONFINEMENT OF SAID CAVITY FOR MELTING SAID GLASS PARTICLES WHILE CONFINED INTO AN INTEGRAL MASS DEFINING SAID BASE AND OPERABLE AXIALLY OF SAID LEADS TO APPLY PRESSURE TO THE MOLTEN GLASS WHILE CONFINED DIRECTING PRESSURE FORCES TOWARD SAID DIE TO MAKE THE MOLTEN GLASS FLOW TO SHAPE THE MOLTEN GLASS INTO A DESIRED CONFIGURATION OF SAID BASE AND TO FLOW ABOUT EACH LEAD ALONG A LIMITED AXIAL LENGTH THEREOF FOR ADHERENCE TO EACH LEAD AND FOR HOLDING SAID LEADS AXIALLY IN FIXED POSITIONS AND FIXED ANGULARLY RELATIVE TO EACH OTHER WHEN THE MASS OF MOLTEN GLASS HARDENS, AND THE REMOVABLE MEANS BEING SELECTIVELY REMOVABLE AFTER SETTING OF THE MOLTEN GLASS SUFFICIENTLY TO ALLOW REMOVING SAID DIE AND MASS OF GLASS FROM SAID SPACE OF CONFINEMENT AND REMOVING OF SAID METALLIC DESTRUCTIBLE DIE FROM THE TUBE BASE.
Claim 4
Dependent Claim
281 words
A MOLD FOR MANUFACTURING AN ELECTRON TUBE BASE COMPRISING, MEANS FOR DISPOSING TEMPORARILY IN A SUPPORTED CONDITION A PLURALITY OF PRE-SHAPED LEADS OF SAID ELECTRON TUBE IN POSITIONS RELATIVELY FIXED CORRESPONDING TO AN ARRANGEMENT OF POSITIONS IN WHICH SAID LEADS ARE DISPOSED PERMANENTLY ANGULARLY SPACED IN SAID ELECTRON TUBE BASE INCLUDING MEANS FOR RECEIVING A DISC-SHAPED, DESTRUCTIBLE, METALLIC FILM DIE HAVING LEAD-INSERTION HOLES AND FOR SUPPORTING SAID DIE ON A BOTTOM SIDE SURFACE THEREOF WITH SAID LEADS INSERTED IN SAID HOLES EXTENDING THROUGH SAID LEAD-INSERTION HOLES AND TRANSVERSELY OF SAID DIE, MEANS DEFINING A CAVITY FOR RECEIVING GLASS PARTICLES OVER A TOP SIDE SURFACE OF SAID DIE OPPOSITE TO THE BOTTOM SIDE SURFACE INCLUDING REMOVABLE MEANS COOPERATIVE WITH THE LAST-MENTIONED MEANS FOR CONFINING SAID GLASS PARTICLES, SAID DESTRUCTIBLE DIE AND A LENGTH OF EACH OF SAID LEADS ADJACENT SAID DESTRUCTIBLE DIE IN A SPACE OF CONFINEMENT OF SAID CAVITY FOR MELTING SAID GLASS PARTICLES WHILE CONFINED INTO AN INTEGRAL MASS DEFINING SAID BASE AND OPERABLE AXIALLY OF SAID LEADS TO APPLY PRESSURE TO THE MOLTEN GLASS WHILE CONFINED DIRECTING PRESSURE FORCES TOWARD SAID DIE TO MAKE THE MOLTEN GLASS FLOW TO SHAPE THE MOLTEN GLASS INTO A DESIRED CONFIGURATION OF SAID BASE AND TO FLOW ABOUT EACH LEAD ALONG A LIMITED AXIAL LENGTH THEREOF FOR ADHERENCE TO EACH LEAD AND FOR HOLDING SAID LEADS AXIALLY IN FIXED POSITIONS AND FIXED ANGULARLY RELATIVE TO EACH OTHER WHEN THE MASS OF MOLTEN GLASS HARDENS, AND THE REMOVABLE MEANS BEING SELECTIVELY REMOVABLE AFTER SETTING OF THE MOLTEN GLASS SUFFICIENTLY TO ALLOW REMOVING SAID DIE AND MASS OF GLASS FROM SAID SPACE OF CONFINEMENT AND REMOVING OF SAID METALLIC DESTRUCTIBLE DIE FROM THE TUBE BASE.
References Cited (Backward Citations)
US301329A
Cited
FR954659A
Cited
US2290050A
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US2246463A
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US2504842A
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US2415412A
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US2888783A
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US3227416A
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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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |