JPH10338263A - Tape for putter packaging, and its manufacture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inexpensive tape without using any adhesive by applying the slip-proof agent to prevent the slip of lapped parts after the corona discharge is achieved to one surface of the tape consisting of the thermoplastic resin. SOLUTION: The thermoplastic resin such as low density polyethylene resin is filmed by the T-die method or the inflation method. The slip-proof agent consisting of the mixture of the soft resin or rubber, or the soft binder with the inorganic particles such as silica is applied to one surface of the film. The corona discharge is achieved to the surface of application to improve the application of the slip-proof agent. The slipproof agent can be easily applied by various kinds of printing machines without using any special device. The obtained film is cut into tapes using a slitter, etc. to obtain the tape 1. The tape is wound around a work 2 to be packaged by an automatic packaging machine, etc.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape for wrapping long objects such as pipes and electric wires, and a method for producing the same. More specifically, the present invention relates to a tape for preventing a long object from being stained or damaged and a method for manufacturing the same.

[0002]

2. Description of the Related Art Goods are often packaged in paper or film to protect them from dirt and scratches. Articles that are extremely long in only one direction, such as pipes and electric wires (hereinafter referred to as long objects) are also packaged for the same purpose. As shown, it was packaged in a method called gaiter winding. However, since the paper tape is relatively expensive as a packaging material, the emergence of alternative plastic products has been desired and studied.

[0003] By the way, gaiter winding is a method of winding spirally while overlapping the end portions of the tape. However, ordinary plastic tape is too slippery so that the overlapped portion is displaced and the inner product is exposed. There was a problem.
In order to solve these problems, (1) a tape provided with a rib on the back surface and (2) a tape coated with an adhesive have been provided. The tape production was complicated and the original purpose of reducing the cost of the tape could not be achieved, and (2) when the adhesive was applied to the back surface of the tape, the adhesive sometimes adhered to the product.

[0004]

SUMMARY OF THE INVENTION The object of the present invention is to provide a gaiter-wrapping tape which is less expensive than conventional paper tapes and does not slip off even without the application of an adhesive, and its manufacture. Is to provide a way.

[0005]

Means for Solving the Problems As a means for solving the above problems, there is provided a tape for gaiter wrapping, wherein the tape is made of a thermoplastic resin and one surface thereof is coated with an anti-slip agent. Further, there is provided the tape for gaiter wrapping, wherein the thermoplastic resin is a low-density polyethylene resin, and further, the surface of the tape to which the anti-slip agent is applied is subjected to corona discharge treatment. The tape for gaiter wrapping is provided, further comprising a method for manufacturing the tape for gaiter wrapping, wherein an anti-slip agent is applied to a film made of a thermoplastic resin by a printing machine. The present invention provides a method for producing a gaiter-wrapped tape.

[0006] That is, by wrapping a gaiter with a plastic tape coated on one side with an anti-slip agent, the overlapping portion is prevented from slipping and the contents are not exposed. The anti-slip agent used in the present invention is a substance basically different from the adhesive used for an adhesive tape or the like, and has no tackiness. More specifically, the anti-slip agent refers to a material which is 10 gf / 10 mm or less when applied to a tape and measured for adhesive strength by a 180-degree peeling method according to JIS-Z0237. (In general, the adhesive strength of an adhesive tape is on the order of tens to hundreds.)

[0007]

Next, an embodiment of the present invention will be described in detail. As a resin material for the tape of the present invention, low-density polyethylene, medium-density polyethylene, high-density polyethylene, polyethylene-based resin such as ethylene-α-olefin copolymer, polypropylene-based resin, nylon-based resin, polyester-based resin, etc., ordinary tapes The thermoplastic resin used can be exemplified without particular limitation, but in consideration of economy and moldability, a low-density polyethylene resin can be exemplified as a particularly suitable raw material.

The anti-slip agent used in the present invention can also be used without any particular limitation as long as it is of the type to be applied. In addition, as a composition of the type of anti-slip agent to be applied,
A mixture of a soft resin or rubber, a mixture of a soft binder and inorganic particles such as silica, a mixture of a soft binder and a foamable microcapsule which expands by heat, and the like are known.
The amount of the anti-slip agent to be applied depends on the type and dilution ratio of the anti-slip agent, but it cannot be limited.However, the joining angle of the tape when gaiter-wrapped, that is, the slip angle between the front and back surfaces of the tape is 12 ° or more. Preferably, an anti-slip agent is applied to one side of the tape. When the anti-slip agent is applied to both sides of the tape, it becomes difficult to feed out the tape when mechanically wrapped. Therefore, the anti-slip agent is applied to only one side of the tape.

Next, the method for producing the gaiter-wrapping tape of the present invention will be described, but the method is not limited thereto. First, the above-mentioned thermoplastic resin is formed into a film using a known technique such as a T-die method or an inflation method. Next, an anti-slip agent is applied to the film. In order to improve the riding of the anti-slip agent, it is preferable to apply a corona treatment to the surface to which the anti-slip agent is applied.
The preferred film wetting index is 38 to 42 dynes / c.
m. Next, an anti-slip agent is applied to at least one surface of the obtained film. The method of applying is not particularly limited, but using various printing machines enables easy application without the need for a special device. Finally, when the obtained film is cut into a tape shape using a slitter or the like, the tape for gaiter winding packaging according to the present invention is obtained.

[0010]

The gaiter-wrapped packaging tape of the present invention will be described in more detail with reference to examples. The slip angle was measured by measuring the slip angle when the front and back surfaces of the tape were in contact with each other, using Friction Angle Tes manufactured by Toyo Seiki.
Using a ter, the measurement was performed at an inclination speed of 2.7 degrees / sec and a thread weight of 1.0 kg. Further, as a packaging test of the obtained tape, suitability for an automatic packaging machine and packaging appearance were measured. The suitability of the automatic wrapping machine is as follows. Plastic pipes with a diameter of 3 cm are wrapped by the automatic wrapping machine.
The unsuccessful tape feeding is indicated by x. Further, after the obtained package was left standing in a standing state for 3 days, the external appearance of the package was visually observed, and those in which no tape displacement was observed are represented by ○, and those in which the tape was displaced are represented by x.

[Examples 1 and 2 and Comparative Examples 1 and 2] One surface of a low-density polyethylene film was subjected to a corona treatment, and a lubricating agent having a dilution ratio of 40% was printed and applied to the treated surface with a direct plate having a plate depth of 28 μm. I do. The obtained film is cut into a width of 3 cm to obtain a gaiter-wrapping tape. The tape obtained by cutting the film once coated with the anti-slip agent in Example 1, the one coated twice and the second example, and the one coated with the anti-slip agent once on both sides in Comparative Example 1 were completely coated. The thing which did not have is set as Comparative Example 2. The measurement of the slip angle of the obtained tape and a packaging test were performed. Table 1 shows the results.

[0012]

[Table 1]

The tapes of Examples 1 and 2 and Comparative Example 2 had good suitability for an automatic wrapping machine, but the tape of Comparative Example 1 was sometimes unusable. When the pipe was set up and left standing for 3 days after packaging, the tapes of Examples 1 and 2 and Comparative Example 1 did not shift, but the tape of Comparative Example 2 was displaced and the packaged material was partially exposed. Was.

[0014]

The tape for gaiter wrapping according to the present invention is less expensive than the conventional paper tape. In addition, since no adhesive is used, there is no risk of soiling a long object to be packaged. In addition, since only one side is coated with an anti-slip agent,
The tape surface is moderately slippery and has good mechanical properties. Furthermore, since the anti-slip agent can be applied by a normal printing machine, no special device is required.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a gaiter-wrapped package.

[Explanation of symbols]

 1 tape 2 packaged material

Continuation of front page (72) Inventor Yasushi Kobayakawa 1-3-3, Noribori, Nishi-ku, Osaka-shi, Osaka Inside Okura Industry Co., Ltd.

Claims (4)

[Claims] 1. A tape for gaiter wrapping, characterized in that the tape is made of a thermoplastic resin, and one surface of the tape is coated with an anti-slip agent. 2. The tape for wrapping gaiters according to claim 1, wherein the thermoplastic resin is a low-density polyethylene resin. 3. The gaiter-wrapping tape according to claim 1, wherein the surface of the tape to which the anti-slip agent is applied is subjected to a corona discharge treatment. 4. The method for producing a tape for gaiter winding according to claim 1, wherein an anti-slip agent is applied to a film made of a thermoplastic resin by a printing machine. Manufacturing method of packaging tape.