Abstract: A pneumatic tire with superior durability having a tread part comprising a cap tread layer (layer A) and an under tread layer (layer B), wherein, in the pneumatic tire, when storage elastic moduli of the rubber compositions constituting the layer A and the layer B are designated as EA and EB, the storage elastic moduli EA (60° C.) and EB (60° C.) determined at a temperature of 60° C. satisfy the following formulae (1) and (2): EA(60° C.)/EB(60° C.)?0.66??(1) 10(MPa)?EB(60° C.

Abstract: A process in which a self-sealing pneumatic tire consisting of a pneumatic tire after vulcanization molding furnished with a sealant layer being uniform without thickness irregularity and a cover sheet layer therefore is produced without the use of an organic solvent and expensive apparatus; and an apparatus therefore.

Abstract: A plurality of electrode pairs, each of which is constituted by two electrodes of the plurality of biomedical electrodes are set and at least one of an electrical impedance value between two electrodes forming a pair and a resistance value between the two electrodes, for each of the electrode pairs is measured. An attachment state of each of the electrode pairs is judged by comparing the impedance value or the resistance value, with a predetermined range of numeric values. An electrode in an inappropriate attachment state is identified from the plurality of electrode pairs based on the judged attachment state o each of the plurality of electrode pairs.

Abstract: Provided is a manufacturing method for a pneumatic tire including the steps of: shaping a cylindrical film formed of a thermoplastic resin or a thermoplastic elastomer composite in which a thermoplastic resin is blended with an elastomer, folding the film into a sheet shape, laminating rubber layers on both surfaces of the folded film, opening the laminate of the film and the rubber layers into a cylindrical shape, fitting the laminate thus opened on a tire making drum, forming the tire pneumatic tire including the film as an air permeation preventing layer, and curing the uncured tire.

Abstract: A tread pattern in which the width and positions of grooves formed annularly in the portion of the surface of the tread which corresponds to the ground-contacting surface of the tire, in such a manner that the grooves extend in the circumferential direction of the tire, are suitably limited.