Loading patent…
AssigneeThe Yokohama Rubber Co., Ltd.
InventorsKazuyuki Kabe, Shuji Takahashi, Tomohiko Kogure
Estimating the term…
A pneumatic vehicle tire having a belt layer at the outside of a carcass layer of the tread, wherein a plurality of mutually parallel reinforcement cords are wound back and forth in a spiral at a predetermined angle to the longitudinal direction and embedded in a matrix of a lateral flattened tubular cross-section to form a continuous tape and the continuous tape is continuously wound around the outer circumference of the carcass layer a plurality of times in a spiral to form the belt layer or a pneumatic vehicle tire having a continuous tape, composed of a two-layer construction consisting of a plurality of aligned rubberized reinforcement cords wound in a spiral to form a lateral flattened tubular cross-section and an elastic cord inserted inside the flattened tube along its longitudinal direction as a core member, continuously wound over an outer circumference of a carcass layer at a tread in a spiral with a slight angle with respect to the tire circumferential direction to form a belt layer.
In a pneumatic tire having a carcass layer, a tread portion and a belt layer annularly arranged around an outer circumferential surface of the carcass layer in the tread portion of the tire, the improvement wherein said belt layer comprises a tubular member that has been flattened in a longitudinal direction to form a continuous tape having a laterally flattened tubular cross-section, said continuous tape including a core member comprising a rubber sheet that has been inserted inside the laterally flattened tubular cross-section of the tape along the longitudinal direction thereof and being annularly wound continuously around the outer circumferential surface of the carcass layer a plurality of times in a spiral to form a substantially continuous belt layer in the width direction, wherein said tubular member comprises a plurality of mutually parallel reinforcement cords that have been embedded in a matrix and wound back and forth in a spiral at an angle of 10.degree. to 45.degree. with respect to the longitudinal direction of the continuous tape to form the tubular member.
In a pneumatic tire having a carcass layer, a tread portion and a belt layer annularly arranged around the outer circumferential surface of the carcass layer in the tread portion of the tire, the improvement wherein said belt layer comprises two tubular members that have been flattened in a longitudinal direction to form two continuous tapes having a laterally flattened tubular cross-section, each of said two continuous tapes including a core member comprising a rubber sheet that has been inserted inside the laterally flattened tubular cross-section of the tape along the longitudinal direction thereof and said two continuous tapes being annularly wound continuously around the outer circumferential surface of the carcass layer a plurality of times in a spiral to form a substantially continuous belt layer in the width direction, wherein each tubular member comprises a plurality of mutually parallel reinforcement cords that have been embedded in a matrix and wound back and forth in a spiral at a predetermined angle to form the tubular member.
Dependencies are inferred from the claim text.