| 摘要 |
1,130,241. Making boxes; seaming non- metallic sheet material. PALSON CORP. A.B. 8 March, 1967 [14 March, 1966], No. 11019/67. Headings B5D and B5K. In a method of erecting boxes parts of a heatsensitive coating of the planar blank are rendered tacky by hot air jets 3, 4 and are then moved into contact with each other or other parts of the blank and subjected to a pressure generally perpendicular to said parts as by movement into a die 12 by a punch 11. |
