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Binder and method for binding loose leaf paper with the binder

A binding clip, a technology in the longitudinal direction, applied in the field of binding clips and binding loose-leaf papers with the binding clip, can solve the problems of complex metal mold structure, difficult and thin ring parts, increased production costs, etc.

Inactive Publication Date: 2010-01-20
MAX CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is necessary to use an ejector such as a rotary ejector to form the protruding portion whose tip is convex and the concave portion whose inner portion is symmetrically convex around the protruding portion, making the metal mold structurally complicated. , thus increasing production costs
Although the number of sheets to be bound is increased by reducing the thickness of the ring in the radial direction, the protrusion and the recess must still be sized to ensure the joint length, which makes the end of the ring necessary thicker than the diameter of the protrusion and the recess, making it difficult to form thin rings

Method used

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  • Binder and method for binding loose leaf paper with the binder
  • Binder and method for binding loose leaf paper with the binder
  • Binder and method for binding loose leaf paper with the binder

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Experimental program
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Embodiment Construction

[0034] The present invention will now be described in detail with reference to the accompanying drawings. Figures 1 (a) to (d) show a plastic binder with spine 12 in the form of a thin plate. A plurality of 1 / 2 ring pieces 13 and 14 are fitted at constant intervals on the upper and lower edges of the longer rear side of the spine. And the ridge 12 and the respective 1 / 2 rings 13, 14 on the upper and lower edges are joined together via thin hinges so as to form a unitary casting. The binder differs from conventional binders in that the spine 12 does not take the form of a double-part hinge, because when the binder is not manually but mechanically bound, when the binder is adjusted from before the end of the binding operation, The hinge arrangement with the opening and closing spine makes it very difficult to clamp and keep clamping the spine. A joint is provided at the end of the upper 1 / 2 ring 13 , and a joint is also provided at the end of the lower 1 / 2 ring 14 .

[0035] ...

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PUM

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Abstract

To provide a binder suitable for a binding unit for conducting a document binding work. Many 1 / 2 rings 13, 14 are arranged at a predetermined interval at both sides of the backbone of the binder, and the backbone 12 is coupled to the 1 / 2 rings 13, 14 of both upper and lower sides via a thin hinge. Since the backbone 12 is not formed in a split hinge structure different from a conventional binder, the backbone of the binder is grasped by a holding mechanism, the binder is opposed to the backs of loose-leaf sheets. Thus, when a binding unit for closing the 1 / 2 rings by the engaging mechanism to be engaged is used, the backbone unit can be surely held until the binding is finished.

Description

[0001] This application is a divisional application of the application filed on October 29, 2004, the application number is 03809716.8, and the title of the invention is "binding folder and binding device". technical field [0002] The present application relates to a binding clip for binding loose-leaf papers and a binding device for automatically loading the binding clip onto the loose-leaf papers. Background technique [0003] A plastic binder for binding loose-leaf paper and documents punched using a porous paper punch (eg, refer to JP-A-2000-289376 ) is known. Hereinafter, a brief description will be given of the above-mentioned type of binding machine. Figures 20, 21 and 22 show a commonly used binding machine, which has many 1 / 2 rings 3 and 4, 1 / 2 rings 3 and 4 are fitted on both sides of the spine 2 at constant intervals, and respectively A double-part hinge is formed by one-piece molding. As shown in the accompanying drawings, a protruding portion 5 is formed at t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B42F13/22B42F13/16
Inventor 坂田知昭吉江彻
Owner MAX CO LTD