TH16204B - Improved tire sidewalls. - Google Patents

Abstract

The improved sidewall of tire 12 for tire 10 has an outer annular surface 11. This outer annular surface 11 has a tread pattern consisting of the first pattern 15 and the second pattern 17. The second pattern 17 is superimposed on the ridge 20 of the first pattern 15. The improvement has the ridge 20 of the first pattern 15 within the sidewall 13, which is defined by parallel planes passing through a plane (T) parallel to the equator of tire 10 and perpendicular to the axis of rotation of the annular sidewall 12, to form a line 21 with uniform slopes (x/y). It is more desirable that the ridge 20 have a primarily triangular cross-section with subangles of approximately 100 degrees at the vertex. Subsections 13A, 13B, 13C, and 13D may be any of these. For tire sidewall design 12, while more desirable is the sub-section 13, which features a quarter, half, or full ring-shaped surface, the resulting design 11 creates a unique contrast between light and dark elements on the tire sidewall.

Claims (10)

1. In a tire with an annular sidewall, the outer annular surface has tread patterns. The tread pattern consists of a primary pattern, which comprises numerous ridges of similar cross-sectional shape. Each ridge of the primary pattern is angled relative to the circumference. A secondary pattern is superimposed on top of the primary pattern. This improved sidewall design is characterized by several contiguous sub-sections extending circumference around the annular outer surface of the sidewall. Each sub-section contains a primary and a secondary pattern. The primary pattern within each sub-section has parallel ridges occurring at 45° to 90° relative to the parallel alignment of the primary pattern ridges within contiguous sub-sections. Parallel planes lie parallel to and through the primary pattern ridges and perpendicular to a plane (T) parallel to the equator and perpendicular to the axis of rotation of the annular sidewall. This creates an intersection line between a plane (T) and parallel planes. These lines are parallel and all have the same slope. 2. The tire of claim 1, whose initial tread pattern has a predominantly triangular cross-section with approximately 100 degrees subtension at its vertex. 3. The tire of claim 1 has a second tread pattern with numerous widely spaced ridges within a subsection of the sidewall, each ridge significantly parallel to the adjacent ridges of the second tread pattern and extending radially outward from the first tread pattern and at an angular direction between 45 and 90 degrees relative to the ridges of the first tread pattern within that subsection, so that when the first tread pattern appears highly luminous or reflective, the second tread pattern appears darker, and conversely, when the second tread pattern appears highly luminous or reflective, the first tread pattern appears darker, resulting in an opposite contrast in intensity between the first and second tread patterns. 4. The tire of claim 3, in which numerous sidewall subsections have parallel ridges of a second tread pattern within at least one subsection that are oriented parallel to the ridges of the first tread pattern within another subsection. 5. The tire of claim number 4, between each sidewall segment, shall have circumferential ends, which shall be of a patterned design creating circumferential gaps between adjacent segments. 6. The tire of claim paragraph 4, in which a sub-section of the sidewall shall have a second tread pattern superimposed on the first tread pattern and in the form of letters, numbers or other markings, having a significantly flat surface; such sub-section of the sidewall shall be contiguous to the sub-section with the second tread pattern of parallel ridges. 7. The tires of claim number 3, where the ridges of the second pattern form letters, numbers or other symbols. 8. The tire of the claim in Article 1, whose sidewall has four sub-sections. 9. The tires of the claim under Clause 1, where the parallel ridges of the first pattern within the adjacent sub-sections along the circumference are oriented perpendicular to the ridges of the first pattern of the adjacent sub-sections along the circumference. 10. Tires of claim number 1, where the second pattern forms letters, numbers or other markings on a flat radial outer surface.