JP6516086B2 - Double russell land and upper material for shoes using this - Google Patents

Description

  The present invention relates to a double raschel cloth characterized by using a cross-section yarn in an intermediate layer, and an upper member for shoes using the same.

  Double Russell has a three-layer structure consisting of the front and back, and an intermediate layer connecting the front and back, and it has cushioning properties on the fabric itself, making it widely used in bed mats, chairs, shoes, etc. ing. For example, Patent Document 1 discloses a shoe using a double russell land.

  However, in order to increase the cushioning property, the single yarn fineness of the yarn used for the intermediate layer may be increased and the density may be increased, but the movement of the liquid from the back surface to the front surface and the front surface to the back surface is inhibited. There is a problem that the cost increases and the weight becomes heavy. On the other hand, when it is intended to improve the movement of the liquid from the back surface to the front surface and from the front surface to the back surface, the single yarn fineness of the yarn used for the intermediate layer may be decreased and the density may be increased. There is a problem that the cost increases and the weight becomes heavy.

JP 2004-230151

  SUMMARY OF THE INVENTION The object of the present invention is to provide a lightweight double raschel cloth having excellent cushioning properties while having large liquid mobility from front to back and from back to front, and an upper material for shoes using the same. It is to be.

  According to a first aspect of the present invention, there is provided a double raschel land having a cross section in at least a part of the middle layer in a double raschel land having a front surface, a back surface, and an intermediate layer connecting them. It is.

  The double raschel cloth of the present invention is preferably characterized in that the monofilament having the cruciform cross section is made of polyester fiber and / or polyamide fiber.

  Moreover, it is preferable that the double raschel cloth of the present invention is characterized in that the monofilament having the cross section has a fineness of 10 to 60 dTex.

  In the double raschel land, it is preferable that 50% by weight or more of the monofilament having the cross section is used with respect to the entire intermediate layer.

  Moreover, it is preferable that the said double Russell's land is characterized by thickness being 1.3-3 mm.

  Furthermore, it is preferable to be characterized in that in the above-mentioned double raschel cloth, all yarns used are made of polyester fibers.

  A second configuration of the present invention is an upper member for shoes using the above-mentioned double raschel.

  In accordance with the present invention, a lightweight double-russ-round material having cushioning properties while having a large mobility of liquid from front to back and from back to front is provided, and it is used for shoes, taking advantage of its features. Can. As the liquid in the present invention, it is assumed that moisture such as sweat generated in the part of the foot in the case of use for shoes, and the Double Russell ground of the present invention is easy to dry because the liquid mobility is large. It has the effect of being able to reduce stuffiness.

Hereinafter, the present invention will be described in detail.
In the present invention, the double raschel fabric is a fabric knitted by a double raschel machine having two rows of needles, and is characterized by being divided into three layers of a front surface, an intermediate layer and a rear surface. An 8-gauge to 28-gauge double Russell machine is common, and the machine used in the present invention is not particularly limited. The above-mentioned two rows of needles are usually referred to as "between pots", but there is no particular limitation on the between the pots, and usually 1.5 to 10 mm is appropriately selected from fabric thickness, cushioning properties and the like. In particular, when used as an upper material for shoes or the like, it is preferable that the distance between the pots be selected between 1.5 and 5 mm so that the thickness of the fabric after the dyeing process is 1.3 to 3 mm.

  In the double raschel cloth of the present invention, the type of yarn used for the front and back surfaces is not particularly limited, but when used as an upper material for shoes, etc., mechanical strength, chemical resistance, difficulty of discoloration, etc. The use of polyester fibers is preferred. Also, the fineness of the yarn used for the front and back surfaces is not particularly limited, but 56 to 700 dTex is general. Furthermore, the cross-sectional shape is not particularly limited either, and any of round and irregular cross sections can be used.

  On the other hand, it is preferable that the yarn used for the middle layer of the double raschel fabric of the present invention is polyester fiber and / or polyamide fiber. For example, although polypropylene fiber is not preferable because heat resistance is small, polyester fiber or polyamide fiber is preferable in that it is excellent in heat resistance, mechanical strength and chemical resistance as compared with them, and it is difficult to discolor. And polyester fibers are more preferred. That is, it is particularly preferable that all yarns used for the front surface, the back surface, and the intermediate layer consist of polyester fibers.

  The double raschel cloth of the present invention is required to be a monofilament in which at least a part of the yarn used for the intermediate layer has a cross section. As a result of intensive studies by the present inventors, it is lighter than a round cross section, excellent in cushioning properties when used in an intermediate layer, and large in liquid movement etc. between the front and back surfaces. It has been found that it is important to use a monofilament whose cross-sectional shape is a cross.

  It is preferable that 50 wt% or more of the monofilament having the cross section is used with respect to the entire intermediate layer. If it is less than 50% by weight, the cushioning property, the lightness, and the mobility of the liquid may be insufficient, which is not preferable.

  Moreover, it is preferable that the fineness of the monofilament which has the said cross section is 10-60 dTex. If the fineness is less than 10 dTex, the cushioning properties will be poor, and if it is more than 60 dTex, the weight will increase, such being undesirable.

  The method of producing the monofilament having the cross section is not particularly limited, and can be produced in the same manner as the monofilament of the round cross section using a known method. For example, it may be prepared by melt spinning and winding from a 1-hole nozzle, or it may be melt spun from a nozzle having a plurality of holes, specifically 10 holes, and then wound up, and then produced in a separation step. It does not matter.

  Although the double raschel cloth of the present invention uses the above-mentioned machine and the above-mentioned fiber to make a cloth, there are no particular restrictions on the combination of yarns, the structure and the like. For example, in the upper material application for shoes, a honeycomb structure is suitably used on the surface, and on the back surface, a plain structure of a structure such as a squeegee, a temper, a half, a satin, a second stitch, or a combination thereof used. Moreover, when using for this application, it is preferable that thickness is 1.3-3 mm.

  The fabrics obtained with them are often dyed and finished, and there are no particular restrictions on their method. If necessary, the dyeing process may be omitted, or additional treatments such as antibacterial and water repellant may be performed.

  The double raschel cloth of the present invention can be suitably used as an upper material for shoes because it is a lightweight cloth having both liquid mobility between the surface and the back surface and cushioning properties.

  Hereinafter, the present invention will be specifically described by way of examples and the like, but the present invention is not limited to the following examples.

[Cushioning]
A sensory test was conducted by 10 panelists, and the following evaluations were made according to the number of panelists who judged that "the cushioning properties were excellent" when the dough was held by hand.
○: 7 or more persons judged that cushioning properties are excellent Δ: 4 to 6 persons judged that cushioning properties are excellent ×: 3 or less persons judged that cushioning properties are excellent

Liquid mobility
Distilled water containing a water-soluble red ink was gently dropped on one side by a droper, and after 10 seconds, the diameter of the circle of the liquid transferred to the opposite side was measured and compared. The larger the diameter, the higher the liquid mobility of the dough.

[Examples 1 and 2, Comparative Examples 1 and 2]
The surface and the polyester fiber 167 dTex / 36 filaments are knitted in a honeycomb mesh structure, and the intermediate layer is composed of polyester filaments described in Table 1 in a 22 gauge double russler machine with 3 mm between the kettles. A double-Russell biomachine was obtained for each example by connecting the back side and using polyester fiber 167 dTex / 48 filament on the back side and knitting in a xy knit x half structure. After this pre-set at 190 ° C., it was dyed at a dyeing temperature of 130 ° C., finished set at 140 ° C., and finished to a density of 24 wales / 2.54 cm, 48 courses / 2.54 cm.

  The fabric weight, cushioning properties and liquid mobility of the obtained fabric are as shown in Table 1, and Examples 1 and 2 using a monofilament having a cross section in the middle layer are cushioned against the comparative example of only a monofilament of round section. Excellent results were obtained in terms of the properties and liquid mobility.

Claims (7)

  In a double raschel land having a front surface, a back surface, and an intermediate layer connecting them, a monofilament having a cross section is used in at least a part of the intermediate layer.   The double-russell fabric according to claim 1, characterized in that the monofilaments having the cross section consist of polyester fibers and / or polyamide fibers.   The double-Russell material according to claim 1 or 2, wherein the monofilament having the cross section has a fineness of 10 to 60 dTex.   The double raschel earth according to any one of claims 1 to 3, wherein the monofilament having the cross section is used in an amount of 50 wt% or more with respect to the entire intermediate layer in the double raschel earth.   The double-Russell land according to any one of claims 1 to 4, wherein the thickness is 1.3 to 3 mm.   A double raschel fabric according to any of the preceding claims, characterized in that in the double raschel fabric all yarns used consist of polyester fibres.   The upper material for shoes using the double Russell ground of any one of Claims 1-6.