Abstract: A printed wiring board includes an electrode pad to be soldered to an electrode of an electronic component, an electrode pad to be soldered to an electrode of the electronic component, a barrier conductor continuous with the electrode pad, and a barrier conductor continuous with the electrode pad, the barrier conductor and the barrier conductors are located at positions facing each other with a gap area therebetween, the barrier conductor and the electrode pads are positioned such that the electrode pad faces the gap area with the barrier conductor therebetween and that the electrode pad faces the gap area with the barrier conductor therebetween, and the gap area is an area in which an adhesive is placed when adhering the electronic component.

Abstract: A printed wiring board includes an electrode pad to be soldered to an electrode of an electronic component, an electrode pad to be soldered to an electrode of the electronic component, a barrier conductor continuous with the electrode pad, and a barrier conductor continuous with the electrode pad, the barrier conductor and the barrier conductors are located at positions facing each other with a gap area therebetween, the barrier conductor and the electrode pads are positioned such that the electrode pad faces the gap area with the barrier conductor therebetween and that the electrode pad faces the gap area with the barrier conductor therebetween, and the gap area is an area in which an adhesive is placed when adhering the electronic component.

Abstract: In the manufacture of pneumatic radial tires each having an annular groove in its central portion, a green tire is formed from a belt-tread band having a constricted portion formed by concavely depressing a belt and a tread inward in a radial direction of the tire.

Abstract: A rim-fitted tire witth a weight unbalance corrected in which a plurality of balance weights for correcting static unbalance are attached on an outer peripheral surface of the rim thereof at a substantially central position with respect to the widthwise dimension of the rim. Balance weights are attached at widthwise opposite ends of the rim to correct an amount of static unbalance on the basis of an amount of dynamic unbalance measured in the static-unbalance corrected state. Since the balance weights are attached on the rim in a distributed manner, the weight of each balance weight is made light, hereby reducing the centrifugal force occurring when the tire is actually used on a vehicle.

Abstract: A passenger car pneumatic tire excellent in ride feeling, wherein a tread is reinforced by a belt consisting of plural metal cord layers so piled that the cords are intersected with one another and the following relation is met:-1.5.ltoreq.[(S/So)-1].times.100.ltoreq.-0.1in which S is the maximum tire width in the state that the tire is fitted to a normal rim while being filled with air at a pressure of 1.7 kg/cm.sup.2 and So is the tire maximum width after being mounted onto a rim but prior to the air pressure being applied to the tire.