KR20170025467A - A paper tube for winding thin steel - Google Patents

Abstract

According to the present invention, by forming the buffer member between the paper layers during the production of the paper tube composed of multiple layers of paper layers, it is possible to absorb the winding pressure of the thin metal film in the buffer member to prevent the occurrence of the pressing phenomenon and marks It has its purpose.
In order to achieve the above object, the present invention is characterized in that a buffer member is attached between paper layers and is formed of a cylindrical body.

Description

TECHNICAL FIELD [0001] The present invention relates to a thin film metal winding tube,

The present invention relates to a paper tube for winding a thin metal sheet, and more particularly, to a paper tube for winding a thin metal sheet on a paper tube made of multiple paper layers, To a thin-film metal winding tube capable of preventing a thin-film metal winding.

In general, as a reinforcing material for a coil product such as steel or stainless steel, coil products are wound around a paper tube of a tributary material called a cylindrical core and transported and stored according to the use thereof.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic side view of a general branch tube; Fig.

The wrapping material 20 is fixed to the outer circumference of the paper tube 10 and the paper tube 10 is rotated to wind the paper tube 20 wound around the core tube 10, The water 20 is wound around the core tube 10.

However, the finished paper layer 12 of the paper material forming the paper tube 10 is protruded from the outer peripheral edge by the step difference surface. In this state, the rolled material 20 is pressed against the thin metal by the step difference surface on the winding surface, There is a problem that a phenomenon occurs.

Therefore, a part of the pressed rolled material 20 is economically lost to be cut and discarded.

It is not enough to prevent the pressing phenomenon due to the step thickness even if the surface of the stepped surface of the finished paper layer 12 is processed through sandpaper or the like in order to prevent the above pressing phenomenon.

As a prior art document related to the present invention, Korean Patent Laid-Open No. 10-2012-0100484 (Publication date 2012.12.12) is disclosed.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a method of manufacturing a paper tube comprising a plurality of paper layers, Which is capable of absorbing and preventing a pressing phenomenon and the occurrence of a mark, is provided.

It is another object of the present invention to provide a thin film metal winding core tube, which is prevented from being damaged by a winding pressure and improved in merchantability.

In order to achieve the above object, according to the present invention, a cushioning member is attached between paper layers and is made of a cylindrical body.

Preferably, the cushioning member may be composed of a composite material of one or more of nonwoven fabric, sponge, silicone, natural or synthetic rubber, acrylic, and olefin-based polymer.

In addition, the buffer member may be attached and wound before the winding paper layer of the paper layer constituting the cylindrical body.

In addition, the buffer member may have a shrinkage ratio of 50% or more and may be attached to the cylindrical body within 2 turns.

The thin-film metal winding paper tube according to the present invention is manufactured by including a cushioning member between paper layers in the production of a paper tube, thereby absorbing the winding pressure of the thin metal from the cushioning member to prevent the pressing phenomenon and the occurrence of marks, There is an effect to be improved.

1 is a schematic view showing a side cross section of a general branch pipe,
FIG. 2 is a perspective view of a sheet metal winding core according to the present invention,
3 is a sectional view of a sheet metal winding core according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the structure and operation of a thin-film metal winding paper tube according to the present invention will be described in detail with reference to the accompanying drawings.

Here, FIG. 2 is a perspective view of a sheet metal winding paper tube according to the present invention, and FIG. 3 is a sectional view of a sheet metal winding paper tube according to the present invention.

As shown in FIGS. 2 and 3, the thin film metal winding paper tube 100 according to the present invention is intended to prevent the thin metal film 200 from being damaged by being pressed while being wound, And a cushioning member 120 in the body 110.

Although the cylindrical core tube 100 is shown as an example in the drawing, it may include any type of core tube 100 in which the wound material of the thin metal film 200 is wound in addition to the cylindrical shape, However, a synthetic resin, a film, or the like may be wound in addition to the metal.

The illustrated cylindrical body 110 forms the outer shape of the branch tube 100. The thin metal 200 is wound around the outer periphery of the body 110 and is formed in a cylindrical shape having a hollow inside to prevent the damage of the thin metal 200 wound and to increase the winding efficiency desirable. The body 110 must have durability against the pressure applied during the winding process.

Such a body 110 consists of multiple layers of paper layers 112, which can be attached through an adhesive.

An adhesive liquid such as hot melt or liquid paste may be applied and attached to the outer surface of the paper layer 112 through a device such as a roller (not shown) for winding a nozzle (not shown) or a paper layer 112.

The paper layer 112 may be wound spirally, but preferably the fabric may be wound in a straight line, and the roller including the heater may press the fabric paper and the adhesive liquid to complete the body 110 by pressurization.

On the other hand, the cushioning member 120 may be installed between the multiple layers of paper layers 112.

Preferably, the cushioning member 120 may be formed of a composite material having one or more of a nonwoven fabric, a sponge, silicone, a natural or synthetic rubber, an acrylic, and an olefin-based polymer having a shrinkage ratio of 50% or more.

In addition, the buffer member 120 may be wrapped around the paper layer 112 at a quarter of the cylindrical body 110, but more preferably is attached and wound before winding the layer of finished paper .

Furthermore, the buffer member 120 may be wound in the same width or greater width as the width of the paper layer 112, and may be attached to the body 110 within two turns.

The operation of the thin-film metal winding paper tube according to the present invention having the above-described structure is such that the paper material to which the adhesive is applied on one side through a nozzle or the like is wound into a circular body 110 while passing through a roller The cushioning member 120 having a predetermined length coated with the adhesive is pressed on the one surface of the first paper layer 112 or the first surface of the paper body layer 110 before the wrapping of the finished paper layer, .

When the cushioning member 120 is attached to the paper layer 112, the paper layer 112 is wound around the outer periphery of the paper layer 112 to complete the body 110.

Therefore, the thin metal 200 may be firmly wound to a certain thickness on the outer periphery of the finished body 110 including the buffer member 120.

At this time, the cushioning pressure of the thin metal 200 is absorbed by the cushioning member 120, and the cushioning pressure can be absorbed by the cushioning member 120 even if a stepped layer is formed by the finish paper layer of the body 110 .

As described above, according to the present invention, the cushioning member 120 is inserted into the paper layer 112 during the manufacture of the paper tube 100, so that the cushioning pressure of the thin metal is absorbed by the cushioning member 120, Can be prevented.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.

100: branch tube 110: body
112: paper layer 120: buffer member
200: Thin film metal

Claims (5)

Wherein a cushioning member is attached between the paper layers and is made of a cylindrical body.
The method according to claim 1,
The cushioning member,
Wherein the core is made of a composite material of one or more of nonwoven fabric, sponge, silicone, natural or synthetic rubber, acrylic, and olefin-based polymer.
The method according to claim 1,
The cushioning member,
Wherein a paper layer of a cylindrical body is attached and wound before winding of the finished paper layer.
The method according to claim 1,
The cushioning member,
It is attached to the cylindrical body within 2 turns.
The method according to claim 1,
The cushioning member,
And a shrinkage percentage of 50% or more.

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