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Box type folder made of weldable thermoplastic plate and relative machine

A folder, thermoplastic technology, applied in the field of box folders, can solve the problems of inability to fold, not solve the folding operation of automatic auxiliary devices, and low degree of automation.

Active Publication Date: 2015-01-07
鲁杰罗·佩罗尼公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Cold forming of the weakened line by crushing blades does not allow the folding to be performed quickly to perform the operation to be completed, resulting in a low degree of automation, because the plastic material, though thinned by the crushing blades through plastic deformation, remains There is a pronounced elastic memory, which complicates the shaping of the box and the welding of overlapping edges fully folded 90°
Moreover, the problem of performing the folding operation with more or less automated aids is not solved, since said operation still requires the supervision and intervention of a professional operator

Method used

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  • Box type folder made of weldable thermoplastic plate and relative machine
  • Box type folder made of weldable thermoplastic plate and relative machine
  • Box type folder made of weldable thermoplastic plate and relative machine

Examples

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Embodiment Construction

[0019] The accompanying drawings and the following description are only intended to illustrate one exemplary embodiment of the invention. It will be clear to those skilled in the art that, although described herein by way of example, changes can be made to the operating components and devices used in many examples and the order of organization of the different stations according to choice and convenience, and still be described herein. within the teachings described and illustrated.

[0020] Such as Figure 1-9 Shown, in the example used, the flat shapes Sf already have longitudinal thinning lines sx and sd obtained during the die-cutting step by cold crushing preforms on plastic sheets, operations performed sequentially on each flat shape Sf as follows:

[0021] a) thermoforming the first transverse fold creases p1 and p2 defining the lid closure front 1 and spine 2 of the file folder ( figure 2 );

[0022] b) Provide a transparent first label holding bag T1 on the oute...

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PUM

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Abstract

The invention relates to a parallelepiped-shaped box type folder made of weldable thermoplastic plates for filing and an effective method of producing the same. The sequential operations are completed by a full-automatic machine without artificial interference. The full-automatic machine comprises a plurality of stations comprising intercoordinating and auto-executing components.

Description

technical field [0001] The present invention relates generally to machines for manufacturing folders and files for filing documents, and in particular to box folders made of rigid plastic material with flap closure fronts. Background technique [0002] Rigid box folders with flap closures made of sheets of heat-welded plastic material (usually polypropylene) are increasingly superior to traditional clips with metal rings. [0003] Typically satisfied by application pockets of clear film welded on the spine of the folder (visible on the document holder) and on the front of the lid closure (when the folder is removed from the document holder and placed on the work table) The need to label said container for archiving files. [0004] Naturally, for such folders, removal from the file holder can be accomplished as easily as the more familiar clips, simply by introducing a finger into the hole in the visible ridge of the file holder. , the hole is suitably provided with a metal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B42F7/14
CPCB42P2241/02B42P2241/20B31B2201/9009B31B2201/908B42P2221/02B42F7/14B31B2217/066B31B2217/101B31B1/00B31B2201/26B31B2201/14B31B2217/082B31B50/14B31B50/83B31B50/26B31B50/81B31B2105/00B31B2120/10B31B50/812B31B2110/35B31B2105/0022B31B50/20
Inventor 鲁杰罗·佩罗尼A·朱尼G·克雷莫纳
Owner 鲁杰罗·佩罗尼公司