US2645266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced rubber structure and method of treating nylon yarn for use in making same
Assignee: Specialties Development Corp
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Filing: 1950-12-13
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Granted: 1953-07-14
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Expires: 1970-12-13
Abstract
No abstract record available.
Inventors
- 👤 Ferdinand Harry Muller
- 👤 Paul Evert Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:05
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; B; B29; B29D; B29D30/00; B29D30/06; B29D30/38; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/41; C08J2321/00; Y; Y10; Y10S; Y10S156/00; Y10S156/91; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
THE METHOD OF TREATING FILAMENT NYLON YARN FOR USE IN COMPOSITE RUBBER STRUCTURES IN A MANNER TO RESIST COMPRESSION-EXTENSION FATIGUE AND THEREBY INCREASE ITS FLEX LIFE, WHICH METHOD COMPRISES APPLYING TO THE YARN AS A PRETREATING STEP AN AQUEOUS DISPERSION CONTAINING ABOUT 2% BY WEIGHT OF AN AMIDE OF A FATTY OIL ACID, SAID AMIDE PENETRATING THE OUTER SURFACE OF THE YARN AND LEAVING A PROTECTIVE LAYER OF SAID AMIDE ON THE SURFACES OF THE YARN FILAMENTS SUBSTANTIALLY THROUGHOUT THE YARN WHICH SERVES TO LUBRICATE THE YARN, AND THEREAFTER APPLYING TO THE YARN IN ITS AFOREMENTIONED CONDITION A RUBBER COMPATIBLE RESORCIN-FORMALDEHYDE-LATEX FORMULATION, SAID AMIDE ACTING AS A SOFTENER FOR SAID FORMULATION IN CONTACT THEREWITH TO PREVENT EMBRITTLEMENT WITHIN THE YARN IS MAINTAINED PLIABLE, AND FURTHER ACTING TO PROTECT THE YARN FILAMENTS AGAINST COMPONENTS OF SAID FORMULATION AND AGAINST DEGRADATION BY HEAT DURING THE SUBSEQUENT DRYING OF THE YARN.
Claim 2
Independent Claim
148 words
THE METHOD OF TREATING FILAMENT NYLON YARN FOR USE IN COMPOSITE RUBBER STRUCTURES IN A MANNER TO RESIST COMPRESSION-EXTENSION FATIGUE AND THEREBY INCREASE ITS FLEX LIFE, WHICH METHOD COMPRISES APPLYING TO THE YARN AS A PRETREATING STEP AN AQUEOUS DISPERSION CONTAINING ABOUT 2% BY WEIGHT OF AN AMIDE OF A FATTY OIL ACID, SAID AMIDE PENETRATING THE OUTER SURFACE OF THE YARN AND LEAVING A PROTECTIVE LAYER OF SAID AMIDE ON THE SURFACES OF THE YARN FILAMENTS SUBSTANTIALLY THROUGHOUT THE YARN WHICH SERVES TO LUBRICATE THE YARN, AND THEREAFTER APPLYING TO THE YARN IN ITS AFOREMENTIONED CONDITION A RUBBER COMPATIBLE RESORCIN-FORMALDEHYDE-LATEX FORMULATION, SAID AMIDE ACTING AS A SOFTENER FOR SAID FORMULATION IN CONTACT THEREWITH TO PREVENT EMBRITTLEMENT WITHIN THE YARN IS MAINTAINED PLIABLE, AND FURTHER ACTING TO PROTECT THE YARN FILAMENTS AGAINST COMPONENTS OF SAID FORMULATION AND AGAINST DEGRADATION BY HEAT DURING THE SUBSEQUENT DRYING OF THE YARN.
References Cited (Backward Citations)
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US2314996A
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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) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |