Patent US4011899A successfully refreshed from Google Patents.
US4011899A
Expired / Lapsed
US
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Steel member for reinforcing rubber compositions and method of making same
Assignee: Monsanto Co
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Filing: 1976-04-27
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Granted: 1977-03-15
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Expires: 1996-04-27
Abstract
Abstract A steel member, essentially rectangular in cross-section, having an aspect ratio greater than 2 having an adhesive coating on the surface thereof, wherein the reinforcing member is characterized by a tensile strength greater than 200 ksi and a microstructure of tempered martensite, bainite and mixtures thereof.
Inventors
- 👤 John M. Chamberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:09
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; B; B60; B60C; B60C9/00; B60C9/0007; B60C9/0064; D; D07; D07B; D07B1/00; D07B1/06; D07B1/0606; D07B2201/00; D07B2201/20; D07B2201/2001; D07B2201/2002; D07B2201/2003; D07B2201/201; D07B2201/2011; D07B2205/00; D07B2205/30; D07B2205/3021; D07B2205/3025; D07B2205/3039; D07B2205/3085; D07B2205/3089
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
104 words
An article of manufacture suitable for reinforcing a rubber composite structure wherein said article comprises a steel ribbon having a carbon content ranging from about 0.4% to about 0.9% and a continuous coating of an adhesive for rubber on the surface thereof, said ribbon having a width in the range of 10 to 200 mils and a thickness in the range of 5 to 20 mils and an aspect ratio of greater than about 2, said ribbon being further characterized by an ultimate tensile strength greater than about 200 KSI and a heat treated and quenched microstructure of tempered martensite, bainite or mixtures thereof.
Claim 2
Dependent Claim
104 words
An article of manufacture suitable for reinforcing a rubber composite structure wherein said article comprises a steel ribbon having a carbon content ranging from about 0.4% to about 0.9% and a continuous coating of an adhesive for rubber on the surface thereof, said ribbon having a width in the range of 10 to 200 mils and a thickness in the range of 5 to 20 mils and an aspect ratio of greater than about 2, said ribbon being further characterized by an ultimate tensile strength greater than about 200 KSI and a heat treated and quenched microstructure of tempered martensite, bainite or mixtures thereof.
Claim 3
Dependent Claim
15 words
The article of claim 1 wherein said ribbon has a brass coating on its surface.
Claim 4
Dependent Claim
16 words
The article of claim 1 wherein said ribbon has a resorcinol-formaldehyde-latex coating applied to its surface.
Claim 5
Dependent Claim
17 words
The article of claim 1 wherein said ribbon has an ultimate tensile strength greater than 300 KSI.
Claim 6
Dependent Claim
14 words
The article of claim 1 wherein said ribbon has a microstructure of tempered martensite.
Claim 7
Dependent Claim
103 words
An assembly for reinforcing tires comprising, an elastomeric body having a plurality of substantially rectangular steel ribbons adhesively bonded therein, said ribbons having a width in the range of 10 to 200 mils and a thickness in the range of 5 to 20 mils and an aspect ratio of greater than about 2 and being spaced in side-by-side relationship and being substantially parallel to each other and said ribbons being characterized by a tensile strength greater than 200 KSI, a carbon content ranging from about 0.4% to about 0.9% and a heat treated and quenched microstructure of tempered martensite, bainite or mixtures thereof.
Claim 8
Dependent Claim
103 words
An assembly for reinforcing tires comprising, an elastomeric body having a plurality of substantially rectangular steel ribbons adhesively bonded therein, said ribbons having a width in the range of 10 to 200 mils and a thickness in the range of 5 to 20 mils and an aspect ratio of greater than about 2 and being spaced in side-by-side relationship and being substantially parallel to each other and said ribbons being characterized by a tensile strength greater than 200 KSI, a carbon content ranging from about 0.4% to about 0.9% and a heat treated and quenched microstructure of tempered martensite, bainite or mixtures thereof.
Claim 9
Dependent Claim
96 words
A pneumatic tire comprising a plurality of essentially rectangular steel reinforcing ribbons having a width in the range of 10 to 200 mils and a thickness in the range of 5 to 90 mils and an aspect ratio of at least 2 and being adhesively bonded therein along at least one plane wherein said ribbons are in parallel side-by-side relationship, said ribbons having an ultimate tensile strength of at least 200 KSI, a carbon content ranging from about 0.4% to about 0.9% and a heat treated and quenched microstructure of tempered martensite, bainite or mixtures thereof.
Claim 10
Dependent Claim
96 words
A pneumatic tire comprising a plurality of essentially rectangular steel reinforcing ribbons having a width in the range of 10 to 200 mils and a thickness in the range of 5 to 90 mils and an aspect ratio of at least 2 and being adhesively bonded therein along at least one plane wherein said ribbons are in parallel side-by-side relationship, said ribbons having an ultimate tensile strength of at least 200 KSI, a carbon content ranging from about 0.4% to about 0.9% and a heat treated and quenched microstructure of tempered martensite, bainite or mixtures thereof.
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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) | 1980-03-14 | 1980-09-13 | 1981-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-14 | 1984-09-13 | 1985-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-14 | 1988-09-13 | 1989-03-15 | $7700.00 | Window Closed / Lapsed |