US3130447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous vulcanization
Assignee: KARPARMURSAN ASSOC Inc
•
Filing: 1960-08-03
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Granted: 1964-04-28
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Expires: 1980-08-03
Abstract
No abstract record available.
Inventors
- 👤 Karl Henry
- 👤 Walter F Parsells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:18
CPC Classifications
B; B29; B29C; B29C35/00; B29C35/02; B29C35/04; B29C35/06; B29C35/065; B29C48/00; B29C48/03; B29C48/05; B29C48/06; B29K; B29K2021/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
APPARATUS FOR CONTINUOULY VULCANIZING AN ELONGATED MEDIUM COMPRISING AN ELONGATED GENERALLY HORIZONTAL CONDUIT INCLUDING A FIRST PORTION COMPRISING A VILCANIZING CHAMBER HAVING MEANS FOR INTRODUCING STEAM THEREIN UNDER PREDETERMINED CONDITIONS OF TEMPERATURE AND PRESSURE, A SECOND PORTION OF SAID CONDUIT COMPRISING A COOLING CHAMBER ADAPTED TO CONTAIN A COOLING FLUID, SAID COOLING CHAMBER BEING SITUATED AT A SLIGHTLY LOWER ELEVATION THAN SAID VULCANIZING CHAMBER SO THAT A PORTION OF THE STEAM OF THE VULCANIZING CHAMBER FORMS A SUBSTANTIALLY HORIZONTAL INTERFACE WITH A PORTION OF THE FLUID OF THE COOLING CHAMBER BELOW SAID STEAM, SAID COOLING CHAMBER INCLUDING AN OUTLET SEAL ADAPTED AND ARRANGED TO MAINTAIN THE FLUID IN SAID CHAMBER WHILE PERMITTING THE VULCANIZED AND COOLED MEDIUM TO PASS THERETHROUGH, MEANS FOR CONTINUOUSLY INTRODUCING SAID VILCANIZABLE MEDIUM INTO SAID VULCANIZING CHAMBER, MEANS FOR MOVING SAID MEDIUM AT A PREDETERMINED RATE OF TRAVEL THROUGH SAID VULCANIZING CHAMBER PORTION OF THE CONDUIT AND THENCE THROUGH SAID COOLING CHAMBER PORTION OF THE CONDUIT AND ONWARD THROUGH SAID OUTLET SEAL TO THE EXTERIOR OF SAID COOLING
Claim 2
Dependent Claim
172 words
APPARATUS FOR CONTINUOULY VULCANIZING AN ELONGATED MEDIUM COMPRISING AN ELONGATED GENERALLY HORIZONTAL CONDUIT INCLUDING A FIRST PORTION COMPRISING A VILCANIZING CHAMBER HAVING MEANS FOR INTRODUCING STEAM THEREIN UNDER PREDETERMINED CONDITIONS OF TEMPERATURE AND PRESSURE, A SECOND PORTION OF SAID CONDUIT COMPRISING A COOLING CHAMBER ADAPTED TO CONTAIN A COOLING FLUID, SAID COOLING CHAMBER BEING SITUATED AT A SLIGHTLY LOWER ELEVATION THAN SAID VULCANIZING CHAMBER SO THAT A PORTION OF THE STEAM OF THE VULCANIZING CHAMBER FORMS A SUBSTANTIALLY HORIZONTAL INTERFACE WITH A PORTION OF THE FLUID OF THE COOLING CHAMBER BELOW SAID STEAM, SAID COOLING CHAMBER INCLUDING AN OUTLET SEAL ADAPTED AND ARRANGED TO MAINTAIN THE FLUID IN SAID CHAMBER WHILE PERMITTING THE VULCANIZED AND COOLED MEDIUM TO PASS THERETHROUGH, MEANS FOR CONTINUOUSLY INTRODUCING SAID VILCANIZABLE MEDIUM INTO SAID VULCANIZING CHAMBER, MEANS FOR MOVING SAID MEDIUM AT A PREDETERMINED RATE OF TRAVEL THROUGH SAID VULCANIZING CHAMBER PORTION OF THE CONDUIT AND THENCE THROUGH SAID COOLING CHAMBER PORTION OF THE CONDUIT AND ONWARD THROUGH SAID OUTLET SEAL TO THE EXTERIOR OF SAID COOLING
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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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |