| 摘要 |
1. A method of producing prepared blanks (16) which serve to form collapsible boxes and which are adapted to be orientated in an apparatus (1) and of which the upright and respectively opposite parts (17) are to be connected to one another by adhesion, characterized in that on at least one of the two mutually opposite sides of the blank parts (16) which are to be connected to one another, a dispersion lacquer is applied all over or over only a part thereof, this dispersion lacquer which is applied to the parts of the blank and which has alrealy hardened out being rendered once again at least thinly viscous and thus adhesive when the blank parts (17) are aligned, by the action of ultrasonic waves and by the heating which is brought about thereby. |
