Devices relating to rolled product

a technology of a rolled product and a corresponding device, which is applied in the direction of web handling, transportation and packaging, instruments, etc., can solve the problems of easy trouble in feeding ta paper, non-aligned portions at the side surfaces of the obtained small roll, and glue protruding from the end surfaces, etc., to achieve automatic elimination of poor articles and efficient manufacture

Inactive Publication Date: 2005-06-02
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

Enables precise and accurate measurement of paper roll dimensions and winding offset without damaging the rolls, improving the efficiency of quality control and reducing errors in the manufacturing process.

Problems solved by technology

However, when winding offset arises at the TA paper wound on the paper tube, non-aligned portions are formed at the side surfaces of the obtained small roll.
When an attempt is made to install such a small roll into an image recording device for TA papers, it is easy for trouble to arise in the feeding of the TA paper.
Thus, there are cases in which the glue protrudes out from the end surfaces of the small roll.
Thus, there is the concern that a problem will arise in that, when the width of the next small roll is measured, the glue adhering to the contact element will be applied to the end surface of this next small roll such that this next small roll will be dirtied.
Further, there is the concern that a problem will arise in that an error corresponding to the dimension of the glue will arise and it will not be possible to carry out accurate measurement.
There is also the fear that, when the pressure by which the contact element is made to contact the small roll is excessively large, the article will be damaged or deformed.
When marked winding offset arises at the small roll and the number of and projected height of the TA paper, which projects in the circumferential direction from the paper tube end surfaces of the small roll, increase, the apparent width of the small roll increases, and there is a high possibility that poor conveying of the TA paper, such as jamming or the like within an image recording device for TA papers, will occur.
Thus, there are cases in which the adhesive protrudes out from the end surfaces of the small roll.
There is the concern that a problem will arise in that, when the displacement of the non-uniform portion of the next small roll is measured, the adhesive adhering to the contact element will be applied to the end surface of this next small roll such that this next small roll will be dirtied.
Further, there is the concern that a problem will arise in that an error corresponding to the coated thickness of the adhesive will arise and it will not be possible to carry out accurate measurement.
There is also the fear that, when the pressure by which the contact element is made to contact the small roll is excessively large, the roll will be damaged or deformed.
Because the film size is large with respect to the object-to-be-packaged 610, and because it is difficult to reliably suction even the air in the spaces, it is difficult to form a so-called tight deaerated package (a package in which the film is fit tightly to the object-to-be-packaged).
Thus, there are limits to making the pipe nozzle 612 thinner, and it is difficult to obtain a tight package.

Method used

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  • Devices relating to rolled product
  • Devices relating to rolled product
  • Devices relating to rolled product

Examples

Experimental program
Comparison scheme
Effect test

first embodiment

[0258] A first embodiment of the present invention will be described with reference to FIGS. 1 through 26.

[0259]FIG. 1 shows the overall structure of a code printing device which is an example of the code applying device relating to the present invention.

[0260] A code printing device 150 is a device which prints a code, which expresses information relating to an information recording paper wound on a paper tube C, on an end surface of the paper tube C which is a tubular winding core around which the information recording paper, such as a color heat-sensitive recording paper or the like, is wound. The paper tube C is an example of the tubular body in the present invention.

[0261] As shown in FIG. 1, the code printing device 150 is disposed on a base B. The code printing device 150 has a turret 2 and paper tube holding devices 4. The turret 2 is formed as a donut-shaped disc provided along a vertical plane, and rotates clockwise around an axis as shown by arrow a in FIG. 1. There ar...

second embodiment

[0397] A second embodiment of the present invention will be described with reference to FIGS. 27 through 39.

[0398]FIGS. 27 and 28 illustrate the overall schematic structure of a roll width measuring device which is an example of a dimension measuring device relating to the present invention.

[0399] A roll width measuring device 280 is incorporated into, for example, a small roll processing device which manufactures small rolls by winding TA paper in small roll form onto paper tubes, and is used in examining whether or not the width of a small roll falls within a predetermined range. In addition, a roll winding offset examining device, which examines the magnitude of the winding offset from the end surface of the small roll, is also incorporated into the small roll processing device.

[0400] The roll width measuring device 280 is equipped with the base B; a roll holding stand 202 which is fixed on the base B and on which is loaded a small roll R whose width is to be measured; laser l...

third embodiment

[0471] A third embodiment of the present invention will be described hereinafter with reference to FIGS. 40 through 49.

[0472] A roll winding offset measuring device of the present embodiment measures the winding offset of a small roll in which the TA paper is wound on the paper tube C, and judges whether the small roll is good or poor. FIGS. 40 through 42 show the schematic structure of the roll winding offset measuring device. Note that a servo motor 306 and a rotary encoder 310, which will be described later, are omitted from FIG. 41.

[0473] A roll winding offset measuring device 380 shown in FIG. 40 is incorporated, for example, into a small roll processing device which manufactures small rolls by winding TA paper in the form of a small roll onto paper tubes, and is used in examining whether or not the magnitude of the winding offset of the small roll falls within a predetermined range. A roll width examining device, which examines the width of the small roll, is also incorporat...

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PUM

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Abstract

A code applying device is provided which can efficiently manufacture an information recording paper roll having a code relating to the information recording paper. The code applying device includes a tubular body holding section which holds a tubular body and can rotate around an axis; a code forming section forming a code, which expresses specific information, on an end surface of the tubular body held by the tubular body holding section; and a control section rotating the tubular holding section which is holding the tubular body, and applying the code to the end surface of the tubular body along a peripheral direction.

Description

BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a code applying device, and in particular, to a code applying device which automatically applies a code, which expresses information relating to an information recording paper, to an end surface of a paper tube around which any of various types of information recording papers is wound in roll form, and which completely and continuously examines whether the paper tube to which the code is applied is good or not, so as to automatically classify paper tubes into good articles and poor articles. [0003] The present invention also relates to a dimension measuring device, and in particular, to a dimension measuring device which can completely and efficiently examine the dimension between both end surfaces of a tubular body such as an information recording paper roll or the like. [0004] Moreover, the present invention relates to a roll winding offset measuring device, and in particular, to a...

Claims

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Application Information

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Patent Type & AuthorityApplications(United States)
IPC IPC(8): B41J3/407B41J11/00B65H18/00B65H23/02G01B11/04
CPCB41J3/4073B41J11/009G01B11/046B65H23/0216B65H18/00
InventorFUJITA, TAIJIRONAKAGIRI, MASAYUKINAKAYAMA, TAKEHIKO
OwnerFUJIFILM CORP