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EP0237462A2
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Reinforced composite structure
Assignee: Goodyear Tire and Rubber Co
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Filing: 1987-02-27
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Granted: —
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Expires: 2007-02-27
Abstract
Abstract One or more plies of reinforced elastomer, particularly two plies (10), (12) of rubber reinforced with twisted filament metallic cords (14) and more particularly a tire belt made up of the two plies (10), (12) is disclosed having cords (14) of 2x.30HT construction with opposed 23 DEG angles to the direction of reinforcement of the belt.
Inventors
- 👤 Kenneth Michael Kot
- 👤 Byung-Lip Lee
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 00:38
CPC Classifications
B; B60; B60C; B60C9/00; B60C9/02; D; D07; D07B; D07B1/00; D07B1/06; D07B1/0606; D07B1/062; B60C9/0007; B60C9/18; B60C9/20; B60C9/2003; B60C9/2006; B60C2009/2074; B60C2009/2077; D07B2201/00; D07B2201/20; D07B2201/2015; D07B2201/2022
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
78 words
A reinforced ply of elastomer for tire belts having two layers of cord characterized by each cord made of two single 0.30 millimeter diameter filaments said filaments made from steel with a carbon content by weight of 0.82%, each cord layer having 9.45 cords per centimeter spaced in a direction lateral to the direction of reinforcement of the ply and oriented at angles of 23° to the direction of movement of the tire and opposed to each other.
Claim 2
Dependent Claim
78 words
A reinforced ply of elastomer for tire belts having two layers of cord characterized by each cord made of two single 0.30 millimeter diameter filaments said filaments made from steel with a carbon content by weight of 0.82%, each cord layer having 9.45 cords per centimeter spaced in a direction lateral to the direction of reinforcement of the ply and oriented at angles of 23° to the direction of movement of the tire and opposed to each other.
Claim 3
Dependent Claim
21 words
The reinforced ply defined in claim 1 further characterized by said cord having a lay length of 10 to 16 millimeters.
Claim 4
Dependent Claim
20 words
The reinforced ply defined in claims 1 or 2 further characterized by the diameter of said cord being 0.60 millimeters.
Claim 5
Dependent Claim
37 words
The reinforced ply defined in claims 1 or 2 further characterized by the lateral spacing of the cords having a range of 9.45 to 11.02 cords per centimeter and the cord angles range from 18° to 28°.
Claim 6
Dependent Claim
62 words
A reinforced ply of elastomer for tires having a cord of two twisted filaments characterized by each filament of less than 0.34 millimeters diameter made from steel with a carbon content by weight of .7 to .90 per cent, said ply having at least 8.66 cords per centimeter laterally spaced in a direction lateral to the direction of reinforcement of the ply.
Claim 7
Dependent Claim
62 words
A reinforced ply of elastomer for tires having a cord of two twisted filaments characterized by each filament of less than 0.34 millimeters diameter made from steel with a carbon content by weight of .7 to .90 per cent, said ply having at least 8.66 cords per centimeter laterally spaced in a direction lateral to the direction of reinforcement of the ply.
Claim 8
Dependent Claim
24 words
The reinforced ply defined in claims 1, 2 or 5 further characterized by said cord diameter having a range of .25 to .68 millimeters.
Claim 9
Dependent Claim
18 words
The reinforced ply defined in claims 1 or 5 further characterized by said filament diameter being 0.30 millimeters.
Claim 10
Dependent Claim
24 words
The reinforced ply defined in claim 5 further characterized by said cord having a lay length of 20 to 100 times the filament diameter.
Claim 11
Dependent Claim
21 words
The reinforced ply defined in claim 5 further characterized by the lay length of said cord being 10 to 16 millimeters.
Claim 12
Dependent Claim
50 words
A reinforced composite structure characterized by an elastomeric body, a plurality of individual, twisted filament reinforcing cords of a diameter from .25 to .68 millimeters, said cords being laterally spaced at 8.66 to 11.02 cords per centimeter in said body and said body having a modulus greater than 120 MPa.
Claim 13
Dependent Claim
50 words
A reinforced composite structure characterized by an elastomeric body, a plurality of individual, twisted filament reinforcing cords of a diameter from .25 to .68 millimeters, said cords being laterally spaced at 8.66 to 11.02 cords per centimeter in said body and said body having a modulus greater than 120 MPa.
Claim 14
Dependent Claim
26 words
The reinforced composite structure defined in claim 10 further characterized by each said cord having a lay length of 20 to 100 times the filament diameter.
Claim 15
Dependent Claim
19 words
The reinforced composite structure defined in claim 10 further characterized by said cords being comprised of two single filaments.
Claim 16
Dependent Claim
23 words
The reinforced composite structure defined in claims 10 or 12 further characterized by said filaments having a diameter of less than 0.34 millimeters.
Claim 17
Dependent Claim
26 words
The reinforced composite structure of claims 1, 2, 5, 8, 9, 10 or 11 further characterized by the lay length of said cord being 14 millimeters.
Claim 18
Dependent Claim
47 words
A reinforced composite structure characterized by an elastomeric body, a plurality of individual, twisted filament reinforcing cords, said cords having a Tabor stiffness of less than 60 grams, said ply having a critical load greater than 19.8 MPa and a critical strain not exceeding 11.0 per cent.
Claim 19
Dependent Claim
47 words
A reinforced composite structure characterized by an elastomeric body, a plurality of individual, twisted filament reinforcing cords, said cords having a Tabor stiffness of less than 60 grams, said ply having a critical load greater than 19.8 MPa and a critical strain not exceeding 11.0 per cent.
Claim 20
Dependent Claim
21 words
The reinforced composite structure defined in claim 15 further characterized by the critical load range being from 19.8 to 23.8 MPa.
Claim 21
Dependent Claim
22 words
The reinforced composite structure defined in claim 15 further characterized by the critical strain range being from 9.0 to 11.0 per cent.
Claim 22
Dependent Claim
43 words
A reinforced composite structure characterized by an elastomeric body, a plurality of individual, twisted filament reinforcing cords, said cords having a Tabor stiffness of less than 60 grams and a modulus greater than 190 GPa and a filament diameter less than 0.34 mm.
Claim 23
Dependent Claim
43 words
A reinforced composite structure characterized by an elastomeric body, a plurality of individual, twisted filament reinforcing cords, said cords having a Tabor stiffness of less than 60 grams and a modulus greater than 190 GPa and a filament diameter less than 0.34 mm.
Claim 24
Dependent Claim
21 words
The reinforced composite structure defined in claim 18 further characterized by the cords having a diameter of less than 0.68 mm.
Claim 25
Dependent Claim
58 words
A reinforced composite structure characterized by an elastomeric body, a plurality of individual, twisted filament reinforcing cords, said cords having a filament diameter of less than 0.34 mm and a cord modulus greater than 190 GPa and said ply capable of 2,000,000 or more cycles at a maximum load of 16.9 MPa and a frequency of 10 cycles/sec.
Claim 26
Dependent Claim
58 words
A reinforced composite structure characterized by an elastomeric body, a plurality of individual, twisted filament reinforcing cords, said cords having a filament diameter of less than 0.34 mm and a cord modulus greater than 190 GPa and said ply capable of 2,000,000 or more cycles at a maximum load of 16.9 MPa and a frequency of 10 cycles/sec.
Claim 27
Dependent Claim
71 words
A reinforced composite structure characterized by an elastomeric body, cords of two twisted filaments, said cords spaced parallel to each other in a plane forming the structure with a ratio of actual to nominal rivet of 1.94 between points on the cords which are a half lay length apart along the length of the cords and capable of satisfactory rubber-cord adhesion at a nominal rivet of 0.53 times the cord diameter.
Claim 28
Dependent Claim
71 words
A reinforced composite structure characterized by an elastomeric body, cords of two twisted filaments, said cords spaced parallel to each other in a plane forming the structure with a ratio of actual to nominal rivet of 1.94 between points on the cords which are a half lay length apart along the length of the cords and capable of satisfactory rubber-cord adhesion at a nominal rivet of 0.53 times the cord diameter.
Claim 29
Dependent Claim
35 words
The reinforced ply and structure defined in claims 1, 5, 10, 15, 18 or 21 further characterized by said cords having an average flare length of 8 mm one minute after cutting the ends thereof.
Claim 30
Dependent Claim
31 words
A reinforced composite structure characterized by an elastomeric body, a plurality of individual, twisted two filament reinforcing cords with each filament diameter being in the range from 0.25 to 0.35 mm.
Claim 31
Dependent Claim
31 words
A reinforced composite structure characterized by an elastomeric body, a plurality of individual, twisted two filament reinforcing cords with each filament diameter being in the range from 0.25 to 0.35 mm.
Claim 32
Dependent Claim
26 words
The reinforced composite structure defined in claim 23 further characterized by the cords being laterally spaced at 8.66 to 11.02 cords per centimeter in the body.
Claim 33
Dependent Claim
19 words
The reinforced composite structure defined in claim 24 further characterized by the filaments having a diameter of 0.30 mm.
References Cited (Backward Citations)
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