US3153263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire curing press
Assignee: National Rubber Machinery Co
•
Filing: 1957-11-07
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Granted: 1964-10-20
•
Expires: 1977-11-07
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Mallory
- 👤 James W Brundage
- 👤 George N Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:56
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0602; D; D06; D06F; D06F55/00; D06F55/02; B29D30/0606; B29D2030/0607; B29D2030/062; B29D2030/0621; B29D2030/0622; B29D2030/0627; Y; Y10; Y10S; Y10S425/00; Y10S425/044
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
MEANS FOR PRESSURE SHAPING THE BEADS OF A TIRE CARCASS WHILE BEING CURED IN A SECTIONAL MOLD, SAID MEANS COMPRISING A COLLAPSIBLE BEAD SHAPING AND PRESSING ASSEMBLY HAVING ANNULAR, RESILIENTLY DEFORMABLE PORTIONS WHICH, IN ALL OPERATING POSITIONS ARE AXIALLY CLEAR OF SAID MOLD SECTIONS, AND WHICH DEFINE ANNULAR SPACES WITH THE RESPECTIVE MOLD SECTIONS AND TOE RINGS THEREOF IN WHICH SPACES THE BEADS ARE ADAPTED TO BE SHAPED AND PRESSED; AND MEANS FOR URGING SAID PORTIONS OF SAID ASSEMBLY TOWARD THE RESPECTIVE MOLD SECTIONS TO CLAMP AND TO SHAPE THE TIRE BEADS, SAID PORTIONS YIELDING TO ACCOMMODATE VARIATIONS IN BEAD THICKNESS WITHOUT INDUCING RADIAL OUTWARD DISPLACEMENT OF BEAD MATERIAL AND CORRESPONDING THICKENING OF THE CARCASS AT THE PERIPHERIES OF SAID PORTIONS; MEANS FOR COLLAPSING SAID ASSEMBLY; AND LIMIT MEANS RENDERING SAID MEANS FOR URGING SAID PORTIONS TOWARD THE RESPECTIVE MOLD SECTIONS INOPERATIVE EXCEPT WHEN SAID ASSEMBLY IS IN UNCOLLAPSED, BEAD PRESSING CONDITION.
Claim 2
Dependent Claim
152 words
MEANS FOR PRESSURE SHAPING THE BEADS OF A TIRE CARCASS WHILE BEING CURED IN A SECTIONAL MOLD, SAID MEANS COMPRISING A COLLAPSIBLE BEAD SHAPING AND PRESSING ASSEMBLY HAVING ANNULAR, RESILIENTLY DEFORMABLE PORTIONS WHICH, IN ALL OPERATING POSITIONS ARE AXIALLY CLEAR OF SAID MOLD SECTIONS, AND WHICH DEFINE ANNULAR SPACES WITH THE RESPECTIVE MOLD SECTIONS AND TOE RINGS THEREOF IN WHICH SPACES THE BEADS ARE ADAPTED TO BE SHAPED AND PRESSED; AND MEANS FOR URGING SAID PORTIONS OF SAID ASSEMBLY TOWARD THE RESPECTIVE MOLD SECTIONS TO CLAMP AND TO SHAPE THE TIRE BEADS, SAID PORTIONS YIELDING TO ACCOMMODATE VARIATIONS IN BEAD THICKNESS WITHOUT INDUCING RADIAL OUTWARD DISPLACEMENT OF BEAD MATERIAL AND CORRESPONDING THICKENING OF THE CARCASS AT THE PERIPHERIES OF SAID PORTIONS; MEANS FOR COLLAPSING SAID ASSEMBLY; AND LIMIT MEANS RENDERING SAID MEANS FOR URGING SAID PORTIONS TOWARD THE RESPECTIVE MOLD SECTIONS INOPERATIVE EXCEPT WHEN SAID ASSEMBLY IS IN UNCOLLAPSED, BEAD PRESSING CONDITION.
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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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |