Corner type packing box and its making method

【Patent Type】 Invention Patent 【Patent Name】 Corner-type Packing Box and Its Making Method 【Applicant】 Li Liang 【 Inventor】 Li Liang 【Address of Principal Applicant】 541003 Building 15, Zhongshan Road, Guilin, Guangxi Zhuang Autonomous Region, China 2- 4-7
【 Application id 】 03117807.3
【 Application Date 】 2003.05.01
【Approval Announcement No.】 1541902
【 Validation announcement date 】 2004.11.03
【 Main classification number 】 B65D5/36
[Category] B65D5/36 B65D5/40 B31B49/02
[Sovereign Items] 1. A folding-type packing box comprising a box lid integrated with the side surface of the box cavity and a box cavity composed of a bottom surface and three or more sides, characterized in that the corners of the box cavity are both There is a folding angle formed by a square or a diamond shape. The folding corners pull the two sides of the box cavity vertically and connect and fix to form a box cavity.
[Instructions CD-ROM] D0444
【Abstracts】 The invention discloses a folding type packaging box and a manufacturing method thereof. The packaging box comprises a box cover and a box cavity. The box cover and the box cavity are folded and integrated, and the angle of the cavity of the box is a folded corner. The manufacturing method is mainly to inward folding, outward folding and folding of the folded corner portion before the box cavity is formed, so as to form the inner and outer folding angles. The folding angle squares the two sides of the box cavity vertically and is connected and fixed to form a box cavity. This kind of box has no creases in the cavity, no leakage of juice, easy storage and easy storage. It uses cup coated paper as packaging material, and it can also print patterns in accordance with environmental protection requirements.
【 Agency 】 Guilin Huajie Patent Office Co., Ltd. [Agent] Luo Yurong