JP2557852Y2 - Bonding cloth and endless belt using the same - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bonding cloth. That is, the present invention relates to a joining cloth used for detachable joining (joint portion) of an endless belt or the like.

[0002]

2. Description of the Related Art Conventionally, a fastener is mainly used for a detachable joint (joint portion) of an endless belt or the like. However, when the fastener is used, there is a problem that when the endless belt passes over the drive roll surface, the smooth driving of the endless belt is hindered due to the thickness and hardness of the fastener.

[0003] Also, loops are formed at both ends of the woven fabric,
Endless belt through coupling pins to these loops
For example, Japanese Patent Application Laid-Open No. 55-107594
Has been proposed. However, the thread forming the loop is high strength
In the case of low elongation yarn, the morphological stability of the loop is insufficient and
Lack of durability.

[0004]

If the thickness of the fastener is reduced to solve this problem, the strength of the joint decreases and the strength becomes insufficient. On the other hand, the yarn forming the loop is made of low strength or high elongation.
As the yarn is made, the strength becomes insufficient or the durability becomes poor. The present invention has been made to solve such a problem.

[0005]

[Configuration of the invention] The present invention is, or "high-strength low-elongation yarns
Has loops at both ends made of plastic and processed
Bonding cloth. ”And“ High strength, low elongation yarn
Joining with resin-processed loops at both ends
The loops at both ends of the cloth are polymerized, and the joining tube loops
An endless belt inserted inside. ".

The high-strength low-elongation yarn referred to in the present invention is a yarn having a strength of 10 g / d or more and an elongation of 10% or less. Specific examples include para-aramid fibers, high-strength polyethylene fibers, high-strength polyvinyl alcohol fibers, and high-strength polyester fibers.

The loop composed of the high-strength low-elongation yarn in the present invention is a loop composed of a weft of a woven fabric in terms of woven organization. As shown in FIG. 1, a weft 1 composed of a high-strength low-elongation yarn
And a loop 3 formed at the end of the woven fabric composed of the warp 2. The shape of the high-strength low-elongation yarn may be a long-fiber yarn or a spun yarn (including a drawn spun yarn), but a long-fiber yarn is more preferable in view of a high strength utilization rate.

The fineness of the high-strength, low-elongation yarn is 200 to 8000.
Denier is preferred. Fineness of high strength low elongation yarn is 20
If it is less than 0 denier, the strength of the joint is uneasy.
On the other hand, when the fineness of the high-strength low-elongation yarn exceeds 8000, the yarn becomes too thick, so that it is necessary to increase the loop for inserting the connecting tube, and the joint becomes too thick.
In addition, the cost is too high.

The high-strength, low-elongation yarn is preferably two to three plied yarns. The conditions of the ply twist are, for example, when three high-density low elongation yarns of 1000 denier are plied, the priming is 300
Times / m, and the twist is about 200 times / m.

The formation pitch of the loop composed of the high-strength low-elongation yarn is determined in consideration of the use of an endless belt or the like or the fineness, woven density, etc. of the high-strength low-elongation yarn.
A loop is formed by a high-strength low-elongation yarn inserted at a ratio of one to several wefts. The weft other than the high-strength low-elongation yarn forming the loop may be a normal high-strength normal elongation yarn, but may be the same high-strength low-elongation yarn forming the loop.

The loop made of the high-strength, low-elongation yarn has the shape
In order to improve the state stability and durability,
It needs to be processed. The type of the resin is determined by the use conditions of the endless belt or the like or the resin processing conditions, but the molecular weight is determined from melamine resin, acrylic resin, polyurethane resin, butadiene resin, polyester resin, epoxy resin, etc. , Viscosity and the like. When performing resin processing, it is preferable to perform the processing with the joining tube inserted in the loop. By processing the resin and then heat-treating and drying, the joining tube is extracted, whereby a loop having a uniform shape can be formed. As a result, it becomes easy to insert or remove the joining tube when actually used as a detachable joining cloth such as an endless belt.

[0012] The warp of the joining fabric is not particularly limited as long as there is no restriction by the application such as heat resistance. The shape may be a long fiber yarn or a spun yarn (including a drawn spun yarn). From the viewpoint of the stability of the weave, spun yarn is preferred. The fineness is preferably about 100 to 1000 denier for long fiber yarns. If it is a spun yarn, it is preferably about 50 s /-to 6 s / 2.

[0013]

[Effect of the Invention] The joining cloth of the present invention is easy to attach and detach the joining cloth, and the end of the loop-shaped joining part of the endless belt or the like is compressed and deformed even when the joining part passes over the driving roll surface, so that the joining cloth is flexible. Since it corresponds, smooth driving of an endless belt or the like is not hindered. The loop is powerful
It is made of low elongation yarn and is resin processed
With improved loop shape stability and durability, handling
And it can withstand long-term use.
You.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a method for manufacturing a bonded fabric according to the present invention will be described with reference to examples.

A warp yarn of meta-aramid long fiber (manufactured by Teijin Co., Ltd .; Conex) 10s / 2 is used, the driving density is 22 yarns / 35 mm, and a weft (loop-forming yarn) is para-aramid long fiber (manufactured by Teijin Limited; Technora) 1000 denier three-ply twisted yarn (primary twist; 300 times / m, twisted; 20
0 times / m) and a driving density of 37.8 lines / 30 cm
Weaved under the following conditions. When weaving, a narrow fabric with a loop having a width of 35 mm was prepared using a urethane tube (outer diameter: 4 mm, inner diameter: 2 mm) as a loop forming auxiliary material. The loop portion of the narrow fabric with a loop was subjected to resin processing with an epoxy resin, dried and cured, and then a urethane tube in the loop was extracted to obtain a bonded fabric having a loop having a uniform shape. As shown in FIG.
Some loops 3 and joining the fabric 5 are overlapped with each other and, joined by inserting a connecting tube 6 of diameter 3mm
As a result, an endless belt could be easily obtained.

[Brief description of the drawings]

FIG. 1 is a plan view of a bonding cloth.

FIG. 2 is a plan view showing the connection of the joining cloth.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Loop forming weft consisting of high strength low elongation yarn 2 Warp 3 Loop 4 Joining cloth 5 Joining cloth 6 Connecting tube

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code Agency reference number FI Technical display location // D06M 15/00 D06M 15/00

Claims (3)

(57) [Scope of request for utility model registration] 1. A high-strength, low-elongation yarn comprising a resin
A bonding cloth having loops formed at both ends. 2. The bonded fabric according to claim 1, wherein the high-strength low-elongation yarn is an aramid yarn. 3. A high strength, low elongation yarn and resin processing
An endless belt in which loops at both ends of a joining cloth having loops formed at both ends are superimposed and a joining tube is inserted into the loop.