| 摘要 |
PURPOSE:To prevent any void and a cobwebbing phenomenon from being produced by discharging adhesives in such a manner in a spreading state of the adhesives that a second adhesive adhers to a center adhesive and thereafter the second adhesive adhers to each other, and further a third adhesive adhers to the second adhesive having adhered to each other. CONSTITUTION:A center distance (a) from a center adhesive 20 to a second adhesive 21 both discharged is less than a center distance (b) between the second adhesives 21 themselves. For this, the second adhesive 21 first makes contact with the center adhesive 20. Thereafter, the second adhesive 21 adhers to each other. At this time, there are formed air outlets between the center adhesive 20 and the second adhesive 21 and between the second adhesives 21, so that air flows in a direction indicated by an arrow without permitting the air to be left behind between the center and second adhesives 20 and 21. As the adhesives 20-22 are collapsed, the center and second adhesives 20 and 21 are combined into an adhesive 23 which then ovelaps on a third adhesive 22. Thereupon, the third adhesive 22 and the adhesive 23 ovelap without having any concave portion 24. Accordingly, the air is released to the outside. Thus, any void is prevented from being produced.
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