|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B65D-005/42 B31B-001/25 B31B-001/64 B65D-005/36 B65D-006/10 B65D-006/18 B65D-006/38 B29C-067/00 B29C-053/06 B31B-001/00 B29L-031/60 B29L-031/00 B29C-035/02|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 67|
A corrugated plastic box and a method for manufacturing a corrugated plastic box from a blank are provided. The method includes the steps of forming rounded edge seals on the perimeter edges of the blank, pre-sealing portions of the blank to form a plurality of areas in which major and minor flap slots and a glue tab are desired, ultrasonically scoring the blank to form a plurality of flap score lines, and cutting the blank through the plurality of pre-sealed flap slots and glue tab, leaving a sealed edge.
1. A plastic corrugated box comprising: a first side wall panel having a bottom portion and a first bottom flap extending from the bottom portion, the first side wall panel and the first bottom flap formed from a continuous sheet of material having a first outer layer, a second outer layer and a plurality of parallel flutes between the first outer layer and the second outer layer; and,the first bottom flap separated from the bottom portion of the first side wall panel by a first ultrasonically formed score line in a portion of the continuous sheet of mat...