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Nail-free seamless one-time forming paper corner frame and manufacturing method thereof

A forming paper, seamless technology, applied in the direction of cardboard items, etc., can solve the problems of high production cost, many processes, and prone to accidents

Active Publication Date: 2018-06-29
广东省惠美庄环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to improve the problem that the existing nailed paper corner protector will scratch the surface of the product, there are many processes, the production cost is high, and it is easy to cause accidents during the production process. Frame and method of making it

Method used

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  • Nail-free seamless one-time forming paper corner frame and manufacturing method thereof
  • Nail-free seamless one-time forming paper corner frame and manufacturing method thereof
  • Nail-free seamless one-time forming paper corner frame and manufacturing method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0031] Example 1: Please see Figure 1 ~ Figure 3 , a nail-free seamless one-time molding paper corner frame, including cardboard 10, the cardboard 10 adopts strip-shaped bobbin paper; the nail-free seamless one-time molding paper corner frame is made of the cardboard 10 spiral Stacking and winding to form a multi-layer structure; the cardboard 10 is coated with an adhesive, and two adjacent layers of cardboard 10 are staggered and bonded to each other through the adhesive.

[0032] The cardboard 10 has an indentation 20, and the indentation 20 includes a horizontal indentation 21 and a vertical indentation 22; any side of the horizontal indentation 21 is provided with several punching holes 23, and between the punching holes 23 There is a certain distance; the side with the punching hole 23 is folded along the horizontal indentation 21 to form a folded edge 24, and the cardboard 10 is folded along the vertical indentation 22 to form a folded corner 25, along the The angle fo...

Embodiment 2

[0034] Example 2: Please see figure 1 , figure 2 , Figure 4 , Figure 5 and Figure 6 As shown, a nail-free seamless one-time molding paper corner frame includes cardboard 10, and the cardboard 10 adopts strip-shaped bobbin paper; the nail-free seamless one-time molding paper corner frame is made of the cardboard 10 are spirally stacked and wound to form a multi-layer structure; the cardboard 10 is coated with an adhesive, and two adjacent layers of cardboard 10 are staggered and bonded to each other through the adhesive.

[0035] The cardboard 10 has an indentation 20, and the indentation 20 includes a horizontal indentation 21 and a vertical indentation 22; any side of the horizontal indentation 21 is provided with several punching holes 23, and between the punching holes 23 There is a certain distance; the side with the punching hole 23 is folded along the horizontal indentation 21 to form a folded edge 24, and the cardboard 10 is folded along the vertical indentation...

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Abstract

The invention discloses a nail-free seamless paper corner protector frame formed in one step. The nail-free seamless paper corner protector frame formed in one step comprises paperboards and is of a multilayer structure formed by winding the paperboards; the paperboards are coated with adhesives, and every two adjacent paperboards are staggered and adhere to each other through the adhesives; the paperboards are provided with indentations. According to the nail-free seamless paper corner protector frame formed in one step, punching, indenting, corner folding and adhesive applying are carried out on bobbin paper in advance, then the bobbin paper winds around a die circle by circle and gets pressed and bonded for forming a whole body, every two adjacent layers of the bobbin paper can be bonded and connected through the adhesives such as glue because the punching positions of every two adjacent layers of the bobbin paper are staggered, and therefore the purposes of turning corners and avoiding nailing connection at joints can be realized, and various shortcomings of existing products can be completely overcome.

Description

【Technical field】 [0001] The invention mainly relates to a nail-free and seamless one-time forming paper corner protection frame and a manufacturing method thereof. 【Background technique】 [0002] Paper corner protectors are widely used in product packaging in various industries because of their low cost, ease of use, resistance to extrusion and impact during use, and recyclable recycling, which is harmless to the environment. For paper corner frames used in the packaging industry, the industry’s practice is to produce a straight paper corner frame first, and then according to the size of the paper corner frame to be formed, punch holes and bend at the corner, and then make holes on the seams and joints. The position is stamped with stud molding. This will produce two subsequent processes of punching and nailing, and cause work-related accidents when workers operate punching machines and nailing machines. The customer also reported that the paper corner frame with nails wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B31D5/00
CPCB31D5/006B31D5/0065B31D2205/0011B31D2205/0052
Inventor 马池楷
Owner 广东省惠美庄环保科技有限公司
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