Composite box

Composite box

  • CN 101,386,360 B
  • Filed: 10/10/2008
  • Issued: 06/02/2010
  • Est. Priority Date: 10/10/2008
  • Status: Active Grant
First Claim
Patent Images

1. combination box, comprise and form cube shaped box-frame (1) and boxboard (2), wherein box-frame (1) comprises tubulose moulding (11) and the grafting corner fittings (12) that is connected them, it is characterized in that:

  • described tubulose moulding (11) is a kind ofly to have at least a plane to have on the basis of square tube and the axial consistent formed special pipe of circular arc fin (111) of square tube, this circular arc fin (111) is in the inboard that is covered by boxboard (2), each edge of described boxboard (2) has respectively with the flanging (21) that is folded to, and have the arc groove parallel (22) on the plane of this kind flanging (21) with the plate face, this arc groove (22) is pressed when box-frame (1) goes up and make flanging (21) to embed in the box-frame (1) at boxboard (2), rely on the elasticity of flanging (21) to make it embed upward self-locking of circular arc fin (111), the circular arc of this arc groove this moment (22) and the circular arc of circular arc fin (111) are fitted mutually, and each face boxboard (2) embeds box-frame (1) back according to this and forms casing.

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