• 专利标题:   Environment-friendly durable packing box has buckle structure of box portion that is provided with first graphene film layer, first metal layer, polyurethane elastic portion layer, second metal layer and second graphene film layer.
  • 专利号:   CN207060655-U
  • 发明人:   CHEN J
  • 专利权人:   NANJING HANERSI BIOLOGICAL TECHNOLOGY CO
  • 国际专利分类:   B65D025/14, B65D025/34, B65D043/08, B65D006/14
  • 专利详细信息:   CN207060655-U 02 Mar 2018 B65D-006/14 201822 Pages: 5 Chinese
  • 申请详细信息:   CN207060655-U CN20994618 10 Aug 2017
  • 优先权号:   CN20994618

▎ 摘  要

NOVELTY - The utility model claims an environment-friendly and durable hardware packaging box, comprising a box body and a box cover whose cross section is circular, the box cover and box body are connected by the buckle structure of the box body from inside to outside in turn comprising a first graphene film layer, a first metal layer, a polyurethane elastic body layer, the second metal layer and the second graphene film layer. The design of this utility model makes the packaging box is not easy to damage or abrasion and noise, prolong the service life of the hardware packaging box.