US3265365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of articles from curable material
Assignee: Dunlop Rubber Co Ltd
•
Filing: 1963-01-22
•
Granted: 1966-08-09
•
Expires: 1983-01-22
Abstract
No abstract record available.
Inventors
- 👤 Ward Albert Nelson
- 👤 Bromwick Castle
- 👤 Watson John William
- 👤 Coldfield Sutton
- 👤 Foster Richard Charles
- 👤 Ford Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:22
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/03; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29B7/401; B29B7/405; B29B7/407; B29B7/74; B29B7/7476; B29B7/7485; B29B7/749; B29B7/80; B29B7/82; B29B7/826; B29C39/00; B29C45/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
APPARATUS FOR THE MANUFACTURE OF ARTICLES FROM CURABLE MATERIAL COMPRISING A FIRST CONTAINER FOR LIQUID CURABLE MATERIAL, A MIXING APPARATUS, A PUMP CONNECTED TO THE FIRST CONTAINER AND TO THE MIXING APPARATUS FOR SUPPLYING CURABLE MATERIAL FROM THE CONTAINER TO THE MIXING APPARATUS, A SECOND CONTAINER FOR A CROSS-LINKING AGENT, MEANS FOR CONTINUOUSLY CIRCULATING SAID CROSS-LINKING AGENT FROM AND TO SAID CONTAINER UNDER A CONTROLLED PRESSURE DROP WHICH COMPRISES A RECIRCULATION PUMP HAVING INLET AND OUTLET ENDS CONNECTED TO THE FLOW PIPE FOR CIRCULATING THE CROSS-LINKING AGENT CONTINUOUSLY FROM AND TO SAID SECOND CONTAINER AND A THROTTLING VALVE IN THE FLOW PIPE BETWEEN THE DELIVERY END OF THE PUMP AND THE OUTLET END OF THE FLOW PIPE TO PROVIDE TO PRESSURE DROP IN THE SAID FLOW PIPE, A SUPPLY PIPE CONNECTED AT ONE END TO THE MIXING APPARATUS AND AT THE OTHER END TO THE FLOW PIPE AT A POSITION BETWEEN THE THROTTLING VALVE AND THE RECIRCULATION PUMP, MEANS ASSOCIATED WITH THE SECOND CONTAINER FOR RAISING THE TEMPERATURE OF THE CROSS-LINKING AGENT TO RENDER IT LIQUID IN FORM AND FOR MAINTAINING THIS
Claim 2
Dependent Claim
182 words
APPARATUS FOR THE MANUFACTURE OF ARTICLES FROM CURABLE MATERIAL COMPRISING A FIRST CONTAINER FOR LIQUID CURABLE MATERIAL, A MIXING APPARATUS, A PUMP CONNECTED TO THE FIRST CONTAINER AND TO THE MIXING APPARATUS FOR SUPPLYING CURABLE MATERIAL FROM THE CONTAINER TO THE MIXING APPARATUS, A SECOND CONTAINER FOR A CROSS-LINKING AGENT, MEANS FOR CONTINUOUSLY CIRCULATING SAID CROSS-LINKING AGENT FROM AND TO SAID CONTAINER UNDER A CONTROLLED PRESSURE DROP WHICH COMPRISES A RECIRCULATION PUMP HAVING INLET AND OUTLET ENDS CONNECTED TO THE FLOW PIPE FOR CIRCULATING THE CROSS-LINKING AGENT CONTINUOUSLY FROM AND TO SAID SECOND CONTAINER AND A THROTTLING VALVE IN THE FLOW PIPE BETWEEN THE DELIVERY END OF THE PUMP AND THE OUTLET END OF THE FLOW PIPE TO PROVIDE TO PRESSURE DROP IN THE SAID FLOW PIPE, A SUPPLY PIPE CONNECTED AT ONE END TO THE MIXING APPARATUS AND AT THE OTHER END TO THE FLOW PIPE AT A POSITION BETWEEN THE THROTTLING VALVE AND THE RECIRCULATION PUMP, MEANS ASSOCIATED WITH THE SECOND CONTAINER FOR RAISING THE TEMPERATURE OF THE CROSS-LINKING AGENT TO RENDER IT LIQUID IN FORM AND FOR MAINTAINING THIS
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |