Patent US5318643A successfully refreshed from Google Patents.
US5318643A
Expired / Lapsed
US
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Vehicle tires including plies with high strength reinforcement
Assignee: Goodyear Tire and Rubber Co
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Filing: 1993-09-30
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Granted: 1994-06-07
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Expires: 2013-09-30
Abstract
Abstract Tires of a large size for use off-the-road with super tensile reinforcement having values of at least 4655N (1046 lbs) break strength for bunched type cord.
Inventors
- 👤 Eric C. Mizner
- 👤 Paul W. Hobart
- 👤 Italo M. Sinopoli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:46
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/06; D07B1/0606; D07B1/062; B; B32; B32B; B32B25/00; B32B25/02; B60; B60C; B60C9/00; B60C9/0007; B60C9/18; B60C9/20; B60C9/2003; B60C9/2006; C; C22; C22C; C22C38/00; C22C38/02; B60C2009/2048; B60C2009/2074; B60C2009/209; B60C9/22; B60C2009/2252; B60C2009/2257; B60C2009/2266; B60C2009/2276; B60C2200/00; B60C2200/06; B60C2200/065; D07B2201/00; D07B2201/20; D07B2201/2015; D07B2201/2024; D07B2201/2027; D07B2201/2028; D07B2201/2033; Y; Y10; Y10S; Y10S57/00; Y10S57/902; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10765
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
243 words
A pneumatic tire with a carcass having cords, two sidewalls spaced apart a distance, which in the axial direction determines the general width of the tire section, two beads each one of which around which are turned up the ends of the cords of the carcass, a tread disposed on the crown of the carcass, and a belt structure that is circumferentially interposed between the tread and the carcass, the belt structure having a width that is substantially equal to that of the tread and having at least four radially overlapped layers of elastomeric fabric reinforced with metallic cords, characterized by the metallic cords in three of the layers being 5+8+14×.265ST+1 construction parallel to each other within each layer and inclined at an angle of between 21° and 23° with respect to the equatorial plane of the tire and at opposite inclinations to adjacent layers, the belt structure having a first layer radially inward most with the metallic cords spaced at 8EPI (3.14 ends/cm), a second layer on top of the first with the metallic cords spaced at 11EPI (4.34 ends/cm), a third layer on top of the second layer with the metallic cords spaced at 11 EPI (4.34 ends/cm) and a fourth layer of 3×7×.22NT cord at 8EPI (3.14 ends/cm) on top of the third layer inclined at an angle between 21° and 23° with respect to the equatorial plane of the tire and opposite to the inclination of the third layer.
Claim 2
Dependent Claim
243 words
A pneumatic tire with a carcass having cords, two sidewalls spaced apart a distance, which in the axial direction determines the general width of the tire section, two beads each one of which around which are turned up the ends of the cords of the carcass, a tread disposed on the crown of the carcass, and a belt structure that is circumferentially interposed between the tread and the carcass, the belt structure having a width that is substantially equal to that of the tread and having at least four radially overlapped layers of elastomeric fabric reinforced with metallic cords, characterized by the metallic cords in three of the layers being 5+8+14×.265ST+1 construction parallel to each other within each layer and inclined at an angle of between 21° and 23° with respect to the equatorial plane of the tire and at opposite inclinations to adjacent layers, the belt structure having a first layer radially inward most with the metallic cords spaced at 8EPI (3.14 ends/cm), a second layer on top of the first with the metallic cords spaced at 11EPI (4.34 ends/cm), a third layer on top of the second layer with the metallic cords spaced at 11 EPI (4.34 ends/cm) and a fourth layer of 3×7×.22NT cord at 8EPI (3.14 ends/cm) on top of the third layer inclined at an angle between 21° and 23° with respect to the equatorial plane of the tire and opposite to the inclination of the third layer.
Claim 3
Dependent Claim
14 words
The tire defined in claim 1 wherein the carcass cords are of 27×.265ST construction.
Claim 4
Dependent Claim
20 words
The tire defined in claim 1 or 2 wherein the belt structure cords are inclined at angle of 22° .
Claim 5
Dependent Claim
13 words
The tire defined in claim 3 wherein the carcass cords are radially oriented.
Claim 6
Dependent Claim
13 words
The tire defined in claim 4 wherein the carcass cords are 5+8+14×.265ST+1 construction.
Claim 7
Dependent Claim
16 words
The tire defined in claim 3 wherein the carcass cords are spaced at 8EPI (3.14 ends/cm).
Claim 8
Dependent Claim
17 words
The tire defined in claim 1 or 2 wherein the belt structure gauge is less than 14mm.
Claim 9
Dependent Claim
13 words
The tire defined in claim 7 wherein the belt structure gauge is 13.3mm.
Claim 10
Dependent Claim
20 words
The tire defined in claim 1 or 2 wherein the gauge between any two belt layers is less than 2mm.
Claim 11
Dependent Claim
18 words
The tire defined in claim 1 or 2 wherein the gauge between any two belt layers is 2mm.
Claim 12
Dependent Claim
134 words
A pneumatic off-the-road tire of 25 inch and greater bead diameter with a carcass having cords, two sidewalls spaced apart a distance, which in the axial direction determines the general width of the tire section, two beads each one of which around which are turned up the ends of the cords of the carcass, a tread disposed on the crown of the carcass, and a belt structure that is circumferentially interposed between the tread and the carcass, the belt structure having a width that is substantially equal to that of the tread and having multiple radially overlapped layers of elastomeric fabric reinforced with cords, the cords in at least one layer being metalic and of 27× construction being parallel to each other within the layer, the cord strength being at least 1100 lbs (4893N).
Claim 13
Dependent Claim
134 words
A pneumatic off-the-road tire of 25 inch and greater bead diameter with a carcass having cords, two sidewalls spaced apart a distance, which in the axial direction determines the general width of the tire section, two beads each one of which around which are turned up the ends of the cords of the carcass, a tread disposed on the crown of the carcass, and a belt structure that is circumferentially interposed between the tread and the carcass, the belt structure having a width that is substantially equal to that of the tread and having multiple radially overlapped layers of elastomeric fabric reinforced with cords, the cords in at least one layer being metalic and of 27× construction being parallel to each other within the layer, the cord strength being at least 1100 lbs (4893N).
Claim 14
Dependent Claim
20 words
The tire defined in claim 11 wherein the inch strength of the at least one layer is 12,100 lbs (53821N).
Claim 15
Dependent Claim
17 words
The tire defined in claim 11 or 12 wherein the cords are spaced at 8EPI (3.14 ends/cm).
Claim 16
Dependent Claim
18 words
The tire defined in claim 11 or 12 wherein the cords are spaced at 11 EPI 4.34 ends/cm).
Claim 17
Dependent Claim
22 words
The tire defined in claim 13 wherein the at least one layer is radially inward most of the multiple radially overlapped layers.
Claim 18
Dependent Claim
12 words
The tire defined in claim 15 wherein the cord is 5+8+14×.265ST+1 construction.
Claim 19
Dependent Claim
34 words
The tire defined in claim 16 wherein the cords of the at least one layer are inclined at an angle of between 21° and 23° with respect to the equatorial plane of the tire.
Claim 20
Dependent Claim
27 words
The tire defined in claim 14 wherein the at least one layer is radially between the inward and outward most layers of the multiple radially overlapped layers.
Claim 21
Dependent Claim
12 words
The tire defined in claim 18 wherein the cord is 5+8+14×.265ST+1 construction.
Claim 22
Dependent Claim
34 words
The tire defined in claim 19 wherein the cords of the at least one layer are inclined at an angle of between 21° and 23° with respect to the equatorial plane of the tire.
Claim 23
Dependent Claim
48 words
The tire defined in claim 11 wherein at least two of the multiple radially overlapped layers of elastomeric fabric reinforced with cords are reinforced with metalic 27× cord construction being parallel to each other within the layer and have a cord strength of at least 1100 lbs (4893N)
Claim 24
Dependent Claim
48 words
The tire defined in claim 11 wherein at least three of the multiple radially overlapped layers of elastomeric fabric reinforced with cords are reinforced with metalic 27× cord construction being parallel to each other within the layer and having a cord strength of at least 1100 lbs (4893N).
Claim 25
Dependent Claim
26 words
The tire defined in claim 11 or 12 wherein the inch strength of the at least two and at least three layers are 12,100 lbs (53821N).
Claim 26
Dependent Claim
21 words
The tire defined in claim 11 wherein the cords are spaced at 11EPI (4.34 ends/cm) in the at least two layers.
Claim 27
Dependent Claim
38 words
The tire defined in claim 12 wherein the cords are spaced at 8EPI (3.14 ends/cm) in one of the at least three layers and at 11EPI (4.34 ends/cm) in the other two of the at least three layers.
Claim 28
Dependent Claim
36 words
The tire defined in claims 11 or 12 wherein the cords of the at least one layer are inclined at an angle of between 21° and 23° with respect to the equatorial plane of the tire.
Claim 29
Dependent Claim
14 words
The tire defined in claims 11 or 12 wherein the cord is 5+8+14×.265ST+1 construction.
Claim 30
Dependent Claim
16 words
The tire defined in claims 11 or 12 wherein the carcass cords are of 27×.265ST construction.
Claim 31
Dependent Claim
13 words
The tire defined in claim 28 wherein the carcass cords are radially oriented.
Claim 32
Dependent Claim
13 words
The tire defined in claims 29 wherein the carcass cords are 5+8+14×.265ST+1 construction.
Claim 33
Dependent Claim
16 words
The tire defined in claim 30 wherein the carcass cords are spaced at 8EPI (3.14 ends/cm).
Claim 34
Dependent Claim
17 words
The tire defined in claims 11 or 12 wherein the belt structure gauge is less than 14mm.
Claim 35
Dependent Claim
15 words
The tire defined in claims 11 or 12 wherein the belt structure gauge is 13.3mm.
Claim 36
Dependent Claim
20 words
The tire defined in claims 11 or 12 wherein the gauge between any two belt layers is less than 2mm.
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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) | 1997-06-06 | 1997-12-06 | 1998-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-06-06 | 2001-12-06 | 2002-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-06-06 | 2005-12-06 | 2006-06-07 | $7700.00 | Window Closed / Lapsed |