US2635975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding polyethylene to vulcanized rubber and article produced thereby
Assignee: AT&T Inc
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Filing: 1951-02-27
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Granted: 1953-04-21
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Expires: 1971-02-27
Abstract
No abstract record available.
Inventors
- 👤 Peters Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:20
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C08J5/124; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23921; Y10T428/23929; Y10T428/23936; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2942; Y10T428/2944; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31707; Y10T428/3171; Y10T428/31826; Y10T428/3183; Y10T428/31855; Y10T428/31909; Y10T428/31913
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
34 words
A BODY OF POLYETHYLENE BONDED TO A BODY OF A VULCANIZED RUBBER COMPOSITION BY MEANS OF AT LEAST ONE INTERMEDIATE LAYER OF A MIXTURE OF POLYETHYLENE AND A RUBBER CONTAINING AN ACID CARBON BLACK.
Claim 2
Dependent Claim
34 words
A BODY OF POLYETHYLENE BONDED TO A BODY OF A VULCANIZED RUBBER COMPOSITION BY MEANS OF AT LEAST ONE INTERMEDIATE LAYER OF A MIXTURE OF POLYETHYLENE AND A RUBBER CONTAINING AN ACID CARBON BLACK.
Claim 3
Independent Claim
172 words
THE METHOD OF FORMING A STRONG, PERMANENT, WATER-RESISTANT SEAL BETWEEN A VULCANIZED RUBBER BODY AND A POLYETHYLENE BODY COMPRISING BRINGING A BODY OF A RUBBER COMPOSITION CONTAINING A VULCANIZING AGENT INTO CONTACT WITH A FIRST BODY OF A BONDING COMPOSITION CONSISTING OF POLYETHYLENE AND AT LEAST 55 PER CENT BY WEIGHT OF A RUBBER, VULCANIZING SAID RUBBER BODY IN CONTACT WITH SAID BONDING COMPOSITION, PLACING AT LEAST TWO ADDITIONAL BODIES OF A BONDING COMPOSITION IN SUCCESSIVE ARRANGEMENT BETWEEN SAID FIRST BODY OF BONDING COMPOSITION AND A POLYETHYLENE BODY, ALL OF SAID BONDING COMPOSITIONS CONSISTING OF POLYETHYLENE AND RUBBER, THE COMPOSITION ADJACENT TO SAID POLYETHYLENE BODY CONTAINING AT LEAST 50 PER CENT BY WEIGHT OF POLYETHYLENE, EACH OF THE BONDING COMPOSITIONS HAVING A POLYEHTYLENE AND A RUBBER CONTENT WHICH DIFFERS BY NOT MORE THAN 15 PER CENT FROM THAT OF ANY OTHER BONDING COMPOSITION WITH WHICH IT IS IN CONTACT, AND HEAT SEALING THE POLYETHYLENE BODY AND THE BONDING COMPOSITIONS TO EACH OF THE OTHER BONDING COMPOSITIONS WITH WHICH IT IS IN CONTACT.
Claim 4
Independent Claim
172 words
THE METHOD OF FORMING A STRONG, PERMANENT, WATER-RESISTANT SEAL BETWEEN A VULCANIZED RUBBER BODY AND A POLYETHYLENE BODY COMPRISING BRINGING A BODY OF A RUBBER COMPOSITION CONTAINING A VULCANIZING AGENT INTO CONTACT WITH A FIRST BODY OF A BONDING COMPOSITION CONSISTING OF POLYETHYLENE AND AT LEAST 55 PER CENT BY WEIGHT OF A RUBBER, VULCANIZING SAID RUBBER BODY IN CONTACT WITH SAID BONDING COMPOSITION, PLACING AT LEAST TWO ADDITIONAL BODIES OF A BONDING COMPOSITION IN SUCCESSIVE ARRANGEMENT BETWEEN SAID FIRST BODY OF BONDING COMPOSITION AND A POLYETHYLENE BODY, ALL OF SAID BONDING COMPOSITIONS CONSISTING OF POLYETHYLENE AND RUBBER, THE COMPOSITION ADJACENT TO SAID POLYETHYLENE BODY CONTAINING AT LEAST 50 PER CENT BY WEIGHT OF POLYETHYLENE, EACH OF THE BONDING COMPOSITIONS HAVING A POLYEHTYLENE AND A RUBBER CONTENT WHICH DIFFERS BY NOT MORE THAN 15 PER CENT FROM THAT OF ANY OTHER BONDING COMPOSITION WITH WHICH IT IS IN CONTACT, AND HEAT SEALING THE POLYETHYLENE BODY AND THE BONDING COMPOSITIONS TO EACH OF THE OTHER BONDING COMPOSITIONS WITH WHICH IT IS IN CONTACT.
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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) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |