390results about "Inflatable tyres" patented technology

Methods of performing a dispatched logistics operation for delivery / pickup of items using a modular autonomous bot apparatus assembly (with a modular autonomy module, cargo storage system, auxiliary power module, and mobility base) and a dispatch server. The modular autonomy control module receives a dispatch command from the dispatch server and authenticates that each of the modular components in the assembly are compatible with the particular dispatched logistics operation. The bot assembly receives the transported item, autonomously moves from an origin location to a destination per the dispatch command using the mobility base autonomously controlled by the modular autonomy control module, receives authentication input that at least correlates to authentication information in the dispatch comment to allow selective access to the modular cargo storage system of the bot assembly, and then autonomously returns to the origin after the item is detected removed from the cargo storage system.

Methods are described that perform a dispatched consumer-to-store return or swap logistics operation for an item being replaced using a modular autonomous bot apparatus assembly and a dispatch server. The method begins with receiving a return operation dispatch command that includes identifier information, transport parameters, and designated pickup information for the item being replaced / returned, along with authentication information related to an authorized supplier of the item being replaced. Modular components of the bot apparatus are verified to be compatible with the dispatched logistics operation. The MAM then autonomously causes the bot apparatus to move to the designated pickup location, notifies the authorized supplier of an approaching pickup, receives supplier authorization input to permissively allow access to a payload area within the bot apparatus, monitors loading as the item being replaced is received along with return documentation, and then autonomously causes movement of the bot apparatus back to the origin location.

To provide a tire 2 that can suppress generation of peeling-off of a tread while suppressing increase in rolling resistance.SOLUTION: A tire 2 includes a tread 4 and a belt 20. An end BE of a base layer 34 of the tread 4 is positioned on an axial direction inner side of an end 20E of the belt 20. The tread 4 includes a plurality of circumferential grooves 30, and a plurality of land parts 32 are constituted by them. The plurality of land parts 32 include crown land parts 32c, shoulder land parts 32s and middle land parts 32m. A cap layer ratio ARc of the crown land part 32c is 1.5 or more and 3.5 or less. A cap layer ratio ARm of the middle land part 32m is equal to or more than the cap layer ratio ARc of the crown land part 32c. A cap layer ratio ARs of the shoulder land part 32s is larger than the cap layer ratio ARm of the middle land part 32m, and is 5.0 or more and 9.5 or less.SELECTED DRAWING: Figure 6

A tubeless tire insert comprising: an annular body having shock absorbing characteristics; a positioning system configured to vary a mean inner diameter of the insert, wherein the insert has a mean inner diameter X when the tire is being installed on the rim; and the insert has a mean inner diameter Y when the tire is installed on the rim, where X is greater than Y.

Provided is a pneumatic tire capable of improving low fuel consumption performance by reducing air resistance during running. 【Solution means】The present invention is a pneumatic tire 1 including a ground contact surface 3a extending from a first ground contact end Te1 to a second ground contact end Te2, and a first side outer surface 6a extending inward in the tire radial direction from the first ground contact end Te1. The tread portion 3 has a first shoulder circumferential groove 4A and a first shoulder land portion 5A defined by the first shoulder circumferential groove 4A and the first ground contact end Te1. The ground contact surface 3a has a first virtual line L1, which is a tangent line at the intermediate position Pm in the tire axial direction of the first shoulder land portion 5A, having a first angle θ1 of 74 to 80° with respect to the tire radial direction. The first side outer surface 6a has a second virtual line L2, which is a tangent line at the first position P1, having a second angle θ2 of 36 to 40° with respect to the tire radial direction. The distance t in the tire radial direction between the first ground contact end Te1 and the tire equator C is 2% to 6% of the ground contact width TW.

Methods and enhanced apparatus used in such methods are described that a dispatched logistics operation for a deliverable item from a hold-at-location (HAL) logistics facility having a secured storage and using a modular autonomous bot apparatus assembly and a dispatch server. The bot apparatus assembly picks up and delivers the item from the HAL facility in response to a delivery dispatch command from the dispatch server. In response, the MAM of the bot verifies compatibility of modular components for the operation, controls receiving of the deliverable item from the secured storage at the HAL facility, then autonomously causes movement to the delivery destination. The MAM notifies the customer before delivery of the approaching delivery, authenticates delivery is to the authorized customer, provides access to the item within the bot apparatus assembly, monitors unloading of the item, then autonomously moves back to the HAL facility.

The tire structure comprises a rim, an outer tire and a solid inner tire, a bead of the outer tire is in sealed connection with the rim, the solid inner tire is arranged in the outer tire, a groove is formed in the inner ring surface of the solid inner tire, and an air inlet channel communicated with an air inlet of the rim is formed between the groove and the rim; a plurality of grooves which are communicated with one another are densely distributed in the surface of the tread of the solid inner tube, and at least one sidewall of the solid inner tube is provided with at least one air passage which is communicated with the grooves and the grooves; when the tire is not inflated, the tread of the solid inner tire is in close fit with the inner wall of the outer tire; after inflation, buffer gas exists between the tread groove of the solid inner tube and the inner wall of the outer tube. Therefore, the solid inner tube is arranged in the outer tube, so that the use is safer and more reliable; meanwhile, after inflation, the air enters the grooves along the inflation air channels, buffering air is formed, the buffering and damping effects can be achieved, and the driving experience can be effectively improved.

A tubeless tire insert comprising: an annular body having shock absorbing characteristics; a positioning system configured to vary a mean inner diameter of the insert, wherein the insert has a mean inner diameter X when the tire is being installed on the rim; and the insert has a mean inner diameter Y when the tire is installed on the rim, where X is greater than Y.

Provide is a technology in which a pneumatic tire for use as an on-road driving wheel has the water discharge efficiency enhanced without impairing the traction performance. Also provided is a pneumatic tire (100) for use as a driving wheel, including a tread having a directional pattern containing a plurality of width-direction grooves (11) and (12). Assuming that a half-width region of the tread, as measured from the tire equator (CL) to the tread-to-ground contact end (TE) along the surface of the tire in a cross section of the tread portion (1) in the width direction of the tire, is bisected into two regions that are referred to as the tread center portion (Tc) and the tread shoulder portion (Ts) respectively in this order from the tire equator (CL), the plurality of width-direction grooves (11) and (12) extend across the tread center portion (Tc), and have a pattern convex in the rotational direction of the tire.

The invention provides a pneumatic tire which improves wear resistance and fuel economy performance of a tire shoulder land portion under a specific tire size. The present invention relates to a pneumatic tire having a rim diameter (RD) of 10-18 inches. The ratio (SH / SW) of the cross-sectional height (SH) to the cross-sectional width (SW) is 0.30-0.45. The ratio (RW / SW) of the rim width (RW) to the cross-sectional width (SW) is 0.78 to 0.99. The width (W1) (mm) of the tread surface of the first shoulder land portion (11) satisfies the following formula (1). The width (W1) (mm), the thickness (T1) (mm) of the first rubber layer (21), the thickness (T2) (mm) of the second rubber layer (22), the loss tangent (tan [delta] 1) of the first rubber layer (21) at 30 DEG C, and the loss tangent (tan [delta] 2) of the second rubber layer (22) at 70 DEG C satisfy the following formula (2): W1 > 0.001 * (SW * SH) (1) W1 * (T1 * tan [delta] 1 + T2 * tan [delta] 2) / (T1 + T2) < = 4 (2).

To provide a tire which improves wet performance while keeping stability on a dry road surface.SOLUTION: A tire includes a tread part 2. The tread part 2 includes a first shoulder circumferential groove 5 and a first shoulder land part 11. The shoulder land part 11 includes a plurality of first shoulder lateral grooves 20. At least one of the first shoulder lateral grooves 20 includes: an inner end 20i which is communicated with the first shoulder circumferential groove 5; a maximum groove width part 21; and an outside part 22. The maximum groove width part 21 is positioned approximately at the center of a ground plane of the first shoulder land part 11 in a tire axial direction. A groove width of the inner end 20i and a groove width of the first shoulder lateral groove 20 at a first tread end T1 are each smaller than the maximum groove width. In the outside part 22, a groove width becomes smaller toward outside in the tire axial direction.SELECTED DRAWING: Figure 1

To provide a pneumatic tire that can improve wet handling stability while maintaining excellent dry handling stability.SOLUTION: In a pneumatic tire of which an installation direction to a vehicle is designated, at least one row of a plurality of land parts 20 formed on a tread part 1 is a convex rib in which a contour line of a tread in a tire meridian cross section projects to a tire radial direction outer side, and when a position of a ground contact end E on the contour line of the tread part 1 is represented by a point PA, a position at 5% of a nominal tire width W from the ground contact end E to a tire width direction inner side is represented by a point PB, and a position at 10% of the tire nominal tire width W from the ground contact end E to the tire width direction inner side is represented by a point PC, a curvature radius SRin of a circular arc passing three points of the point PA, the point PB, and the point PC inside a vehicle, and a curvature radius SRout of a circular arc passing three points of the point PA, the point PB, and the point PC outside the vehicle satisfy the relationship of 1.1≤SRout / SRin≤2.0.SELECTED DRAWING: Figure 1

The present invention is a pneumatic tire 1 having a tread portion 2. The pneumatic tire 1 has a sponge-like sound absorbing body 5 disposed on an inner surface side of the tread portion 2. A ratio (H / T) between a hardness H (N) of the sound absorbing body 5 at 23 degrees C under 25% compression and a height T (mm) in the tire radial direction of the sound absorbing body 5 is 1.0 to 2.5. A ratio (T / W) of a width W (mm) in the tire axial direction and the height T (mm) of the sound absorbing body 5 is 0.25 to 1.20.

The invention provides a pneumatic tire and a method for manufacturing the same, wherein the tire thickness of a tire shoulder part can be sufficiently ensured and the durability and the puncture sealing property of the tire can be both realized through the structure of a tire body. In a pneumatic tire in which a carcass layer (4) has a structure in which a bead core (5) of a bead section (3) is wound up from the inside to the outside of the tire, the end (4e) of a wound-up section (4B) of the carcass layer (4) is disposed further toward the inside in the width direction of the tire than the end (7e) of a belt layer (7), and a sealant layer (20) is formed on the inner surface (10) of the tire at a tread section (1). The end portion (20e) of the sealant layer (20) in the tire width direction is located at the shoulder portion and is disposed further toward the outside in the tire width direction than the tip end (4e) of the wound-up portion (4B) of the carcass layer (4).

Provided are a pneumatic tire and a method for manufacturing the same, which make it possible to enhance the adhesion between the inner surface of the tire and the sealant layer and improve the durability of the tire. In a pneumatic tire including a tread portion 1 extending in the circumferential direction of the tire and forming an annular shape, a pair of sidewall portions 2 disposed on both sides of the tread portion 1, and a pair of bead portions 3 disposed on the inner side in the radial direction of the tire of these sidewall portions 2, the inner surface Ts of the tire has a release layer 10 containing a silicone-based composition, a sealant layer 20 is formed on the inner side in the radial direction of the tire of the release layer 10 in the tread portion 1, the sealant of the sealant layer 20 is composed of a silicone-based composition, and the absolute value of the difference between the contact angle of water with respect to the release layer 10 and the contact angle of water with respect to the sealant layer 20 is 30° or less.

To provide a pneumatic tire which sufficiently improves stability on a wet road surface at high speed traveling.SOLUTION: A pneumatic tire in which a circumferential direction main groove is arranged at a tread part is given. An outermost layer of the tread part consists of rubber composition containing vulcanized rubber powder. Area ratio S(%) of vulcanized rubber powder to the cross section of the outermost layer is 5% or more and 50% or less. Loss tangent (30°Ctanδ) is 0.15 or less in a condition of 30°C of temperature, 10 Hz of frequency, 5% of initial strain, and 1% of dynamic strain of the rubber composition, and it is measured at deformation mode of tension. Groove depth D (mm) of the circumferential direction main groove is more than 6 mm, and S / D>0.85 is satisfied.SELECTED DRAWING: None

Provided are: a tire capable of suppressing decrease in power supply efficiency even on wet road surfaces; and a wireless power supply system utilizing the tire. A tire 10 includes: a tread section D that includes a tread surface 34; a pair of bead sections A; and a pair of sidewall sections B disposed between the tread section D and the bead sections A. The tire 10 comprises a power reception coil 40 that receives power supplied via an alternating-current magnetic field from outside the tire 10. In a view of a tire meridian cross-section in a non-loaded state, the power reception coil 40 is disposed on the radially inner side of the tire relative to the outermost position OP where a first virtual line L1, forming an angle α of 15° with a tire equatorial plane CP, and a tire side surface contact.

Provided are a pneumatic tire and a method for manufacturing the same, which can suppress peeling of a sealant layer and improve tire balance. In a pneumatic tire including a tread portion 1 extending in the tire circumferential direction and having an annular shape, a pair of sidewall portions 2 disposed on both sides of the tread portion 1, and a pair of bead portions 3 disposed on the tire radial inner side of these sidewall portions 2, a sealant layer 20 having a structure in which a sealant strip 21 is spirally disposed along the tire circumferential direction on the tire inner surface 10 in the tread portion 1 is formed, and at least one end portion of the strip 21 is thinner than the other portion.

To provide a tire that can exert excellent on-snow performance, while maintaining steering stability on a dry road surface.SOLUTION: Each first crown sipe 41, each second crown sipe 42 and each third crown sipe 43 which are formed on a crown land part are opened on a tread surface 15s through chamfering surfaces 45. Each first crown sipe 41 and each third crown sipe 43 extend from a first vertical edge 15a and have terminating ends in the tread surface 15s. Each second crown sipe 42 extends from the second vertical edge 15b and has a terminating end in the tread surface 15s. A chamfer width of the chamfer parts 45 of each first crown sipe 41 and a chamfer width of the chamfer part 45 of each second crown sipe 42 are each constant in a sipe longitudinal direction. A chamfer width of the chamfer part 45 of each third crown sipe 43 become smaller continuously from the vertical edge toward the terminating end.SELECTED DRAWING: Figure 3

To provide a pneumatic tire which can easily reduce air resistance and easily increase vehicle's forward propulsion force.SOLUTION: A tire 1 includes: a tread 10 having a ground contact surface; a first rib 51a provided at an outer periphery side between a first ground contact end at a vehicle inner side of the tread 10 and a first maximum width position at the vehicle inner side; and a second rib 51b provided at an outer periphery side between a second ground contact end at a vehicle outer side of the tread 10 and a second maximum width position at the vehicle outer side. A first height Hi of the first rib 51a is higher than a second height Ho of the second rib 51b.SELECTED DRAWING: Figure 5

To provide a tire which is excellent in a brake performance.SOLUTION: A tire includes a tread including two or more circumferential grooves, a first shoulder land part, and a second shoulder part. The first shoulder land part and the second shoulder land part have lateral grooves extending in a tire width direction. A first groove wall of the lateral grooves has a first region inclined so that a groove width is enlarged toward an opening of the lateral groove, and a second groove wall of the lateral groove has a second region inclined so that the groove width is enlarged toward the opening of the lateral groove. An inclination angle of the first region to a profile surface of the tread is smaller than an inclination angle of the second region to the profile surface. The first region is formed on the first direction side in the tire circumferential direction of the lateral grooves in the first shoulder land part, and is formed on the second direction side in the tire circumferential direction of the lateral grooves in the second shoulder land part.SELECTED DRAWING: Figure 1

To provide a tire capable of having both tire snow performance and low rolling resistance performance.SOLUTION: In a tire 1, a middle land part 32 comprises: first middle thin grooves 321 having a linear shape or circular arc shape and penetrating the middle land part 32; and second middle thin grooves 322 having a Z-shape and penetrating the middle land part 32. A center land part 33 comprises: first center thin grooves 331 having one end on an edge of the center land part 33, connected to a center main groove 22, and having the other end in the center land part 33; and second center thin grooves 332 extending in a tire circumferential direction and having both ends in the center land part 33. The first center thin grooves 331 are inclined in one direction in the tire circumferential direction toward the other end from the one end. The first center thin grooves 331 and the second center thin grooves 332 are arrayed in a V-shape with an apex facing the one direction in the tire circumferential direction.SELECTED DRAWING: Figure 3

This tire offers excellent overall performance, including fuel efficiency during city driving and lane change performance during high-speed driving. [Solution] The present invention relates to a tire having a tread, wherein the tread is composed of a tire rubber composition containing a rubber component including styrene-butadiene rubber and an ionic coupling agent, and has a first land portion closest to the equator and a second land portion located outside the first land portion on the vehicle side of the tire's equator, and satisfies the following (1) to (3). (1) The amount of styrene in the styrene-butadiene rubber is 20% by mass or less. (2) When the width of the first land area is W1 and the width of the second land area is W2, W1 / W2 > 0.3 (3) Total amount of styrene in the rubber component / (W1 - W2 × 0.3) ≤ 1.5

A pneumatic vehicle tire which includes a sealant layer at least on the inner surface opposite the tread. The sealant layer has a radially inward-facing surface running in the axial direction substantially parallel to the belt package. Also provided is a process for detecting a pneumatic vehicle tire with a sealant layer and to a process for recycling a pneumatic vehicle tire with sealant. The sealant layer has at least one luminescent agent on its radially inward-facing surface. The tire is detected via the luminescent agent.

A pneumatic radial tire for passenger vehicles of the present disclosure includes a carcass toroidally spanning between a pair of bead portions and including plies of radially arranged cords. A sectional width SW and an outer diameter OD of the tire satisfy a predetermined relational expression. At least one noise reducer is provided on an inner surface of the tire. A ratio L (mm) / S (mm2) is in a range from 0.02 to 1.5, where L (mm) denotes a circumferential length of the noise reducer and S (mm2) denotes a cross-sectional area of the noise reducer.

To provide a tire capable of exerting an excellent wet property while retaining wear resistance.SOLUTION: Provided is a tire including a tread portion 2. The tread portion 2 includes a circumferential groove 3 and a land portion 4. The land portion 4 is provided with at least one shallow groove 30 communicating with the circumferential groove 3. The shallow groove 30 includes a pair of groove walls 30w continuous in a V-shape in a transverse section orthogonal to a longitudinal direction of the shallow groove 30. The groove width of the shallow groove 30 is 1.5 to 2.5 mm. The pair of groove walls 30w are inclined at an angle of 30 to 50° with respect to a tread normal line erected on a groove edge of the shallow groove 30.SELECTED DRAWING: Figure 1

According to an aspect of the present invention, a vehicle tire having a tread is provided. The tread comprises a set of continuous blocks arranged along the outer circumference of the tire; a plurality of first grooves arranged across the outer circumference of the tire, each of which is positioned between two blocks of the set of continuous blocks; and a plurality of sipes, each defining an edge component El corresponding to the ratio of the sum of the axial projection lengths SAP of the plurality of sipes to the outer circumference C of the tread. El is at least 2 and at most 20. The tread is made from a rubber composition having an E' of at least 20 MPa and at most 80 MPa at -20°C when measured according to ISO 4664.

To provide a tire in which the total performance of the grip performance in the time of straight travel under a high-speed travel condition and the grip performance in the time of cornering is improved.SOLUTION: A tire includes a tread part whose mounting direction to a vehicle is designated. The tread part includes an inner side tread rubber layer which constitutes a vehicle inner end side in the time of mounting to the vehicle; and an outer side tread rubber layer which constitutes a vehicle outer end side. A ratio (D / WL) of a distance D to an interface between the inner side tread rubber layer and the outer side tread rubber layer from a vehicle outer ground contact end to a distance WL between both ground contact ends is equal to or greater than 0.50. An average value tanδAin of a loss tangent tanδ at 0°C to 50°C of the inner side tread rubber layer measured under a condition of 10 Hz of a frequency, 1% of an initial strain and ±0.1% of an amplitude is equal to or less than 0.30. An average value tanδAout of the loss tangent tanδ at 0°C to 50°C of the outer side tread rubber layer measured under a condition of 10 Hz of the frequency, 1% of the initial strain and ±0.1% of the amplitude is equal to or greater than 0.40.SELECTED DRAWING: None

The present invention relates to a noise-reducing pneumatic tire and a method for manufacturing the same, and more particularly to a noise-reducing pneumatic tire that has improved sound absorption performance and can be stably mounted, and a method for manufacturing the same. [Solution] The noise-reducing pneumatic tire of the present invention comprises an inner liner for a pneumatic tire and a sound-absorbing structure attached to the inner liner. The sound-absorbing structure has a configuration that includes a sound-absorbing body attached to the inner surface of the inner liner along the circumferential direction of the pneumatic tire, and a through hole formed in the sound-absorbing body, which allows a sensor to be placed inside.