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Method for folding corner of box for packing welding wire

A folding method and cardboard box technology, applied in packaging, transportation and packaging, paper/cardboard containers, etc., can solve problems such as large space and complex structure

Inactive Publication Date: 2010-09-08
KOBE STEEL LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] However, as in Japanese Patent Application Publication No. 7-115431, the swing-type pressing member (pressing device) using the swing shaft 122 has a complicated structure, and the size of the device tends to be large.
In this way, a relatively large space is required for the space required for the implementation of the corner folding method (process) for packaging.

Method used

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  • Method for folding corner of box for packing welding wire
  • Method for folding corner of box for packing welding wire
  • Method for folding corner of box for packing welding wire

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Embodiment Construction

[0035] (precondition)

[0036] The folding method of the present invention, as a premise, is aimed at corner folding, the assembly structure of the packaging cardboard box for welding wire, the unfolded structure of the original cardboard before being assembled into a box shape, and the folding method of the folding line are the same as the Japanese patent. The contents of Kaiping No. 5-262346 and Teping No. 7-115431 are the same. i.e. packing cartons1, according to Figure 3 to Figure 7 As shown, there are at least two recesses 2 provided at corners where three ridges gather, and each recess 2 is bent inward by three fold lines connecting the ridges 17 to form a cuboid. Specifically, the four corners of the lower surface of the packaging cardboard box 1 are bent inward to form the recess 2 . The concave portion 2 is formed by chamfering the corner of the rectangular parallelepiped box 1 with a plane, and after shaving off a right-angled triangular pyramid, then forming a tr...

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Abstract

A method for folding a corner of a box for packing a welding wire is a folding method for enabling a selected corner of the box for packing the welding wire to be formed into a dent for handholding, the method is characterized by comprising: performing a fold line as a ridge line of the dent on the position forming a part homologous to the corner part of the paperboard of the dent; after the paperboard of the fold line forms the box shape, pressing a corner of the box from the external side to the internal side to form the dent, at this moment, the pressing device can be arranged into a fluid cylinder of a pressing front end with the shape corresponding to the outer edge shape of the dent. According to the method, the corner can be easily and rapidly formed into the dent, the dent forming can be implemented can adopting the pressing device with simple mechanism and miniaturization device.

Description

technical field [0001] The present invention relates to a corner folding method of a packaging box that is easy to transport by pressing the corners of a packaging box that packs welding wire such as flux cored wire to form recesses. Background technique [0002] Flux-cored wire (also referred to as FCW), which is filled with flux in a tubular outer belt steel, is widely used in arc welding construction for fully automatic or semi-automatic welding such as carbon dioxide gas shielded arc welding and MIG welding. ground application. This FCW includes a type with a seam (also referred to as a seam) and a seamless type without the seam. Due to the high manufacturing cost of the latter seamless type, the type of FCW with seams is widely used. The FCW having this seam is a welding wire in a state where the seam is closed without being joined by welding or the like. [0003] Such a flux-cored wire is widely used as a thin-diameter drawn wire of φ0.8 to 1.6 mm, and is usually wo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B31B3/26B31B3/74B31B50/25B31B50/52B31B50/80
CPCB31B50/81B31B2100/00B31B50/003B31B2120/502
Inventor 平川拓生
Owner KOBE STEEL LTD
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