JP2014148760A - Sock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sock which is knitted in such a manner as to exactly conform to a contour of a heel of a foot as much as possible, and to solve such a problem that there is a possibility that conventional socks get loose in the vicinity of ankles, or the like.SOLUTION: As shown in Figure 1, heel parts C-G of a sock in this invention include a first gore line g1, second and third gore lines g2 and g3 which are knitted before knitting the first gore line g1, and fourth and fifth gore lines g4 and g5 which are knitted after knitting the first gore line g1. Then, the second and fifth gore lines are knitted with ten knitted loops, and the third and fourth gore lines are knitted with six knitted loops. Consequently, the sock which is knitted in such a manner as to exactly conform to a contour of a heel of a foot can be provided.

Description

  The present invention relates to a sock obtained by improving the structure of a sock's heel part that covers a heel of a foot.

  For the socks, the automatic rubber knitting machine is used to knitting the rubber part and the leg part, and then the heel part is knitted by the half rotation operation of the needle cylinder S of the machine, and then the upper part and the bottom part are knitted into the tubular knitting, Finally, the toe part is knitted.

The knitting of the heel part is to give a certain angle between the leg part of the sock and the instep part and the bottom part in accordance with the shape of the ankle. The short butt needle N1 of the needle cylinder S is moved at both ends NE for each reciprocation. Neck one by one from the NE to the non-operating position and knitting to narrow the knitting width, then the short bat needles N1 raised to the non-operating position are lowered one by one from both sides to the operating position to increase the knitting width. (See FIG. 3).
In the knitting process of the buttock, the boundary between the linear knitted fabrics is formed as a rough line (gore line) in the direction of about 45 degrees obliquely on both the inner and outer side surfaces of the buttock.
In addition, this gore line is called a normal gore line in this item (background art).

In the normal gore line alone, the angle formed between the leg, the upper and the bottom is shallow, and when wearing the socks as it is, slack occurs at the boundary between the leg and the upper, so that such slack is eliminated, If the legs are forcibly pulled up and worn and walked as they are, there is a drawback that the legs and buttocks are pulled down and easily fall off.
Also, when you take off your shoes, the sneaker socks may be taken off together, and this situation may be prevented by using rubber thread, but the type of thread should not be a problem Is desirable.

The following Patent Document 1 and Patent Document 2 are disclosed as socks that solve such problems.
The sock according to Patent Document 1 includes an upper gore line that goes upward from the start point of the normal gore line, and a lower gore line that goes in the opposite direction from the start point to the upper gore line.
In such socks, “Because the upper and lower heel portions are provided by the upper and lower gore lines in addition to the heel portion formed by the gore line, the heel portion of the tubular knitted fabric can be enlarged and fitted to the heel. Even if the heel is not tightened and pulled downward, the sliding can be prevented ”(paragraph 0009).

In the sock according to Patent Document 2, a Y-shaped gore line including a gore line Q′U, a gore line PQ, and a gore line Q (Q ′) R, RS, TR is disclosed in the heel portion thereof.
In paragraph 0030 of the same document, “As described above, in the embodiment according to the present invention, the additional eye increasing area AI and the additional eye reducing area AD are provided. As a result, the heel part 4 wraps around the user's heel, and the angle formed between the leg part 3 and the sole part 5 in the natural state is almost a right angle, so that the sock 1 is The shape of the sock 1 fits the user's foot.

Utility Model Registration No. 3157459 JP 2011-58111 A

However, regarding the socks of Patent Document 2, the problem is pointed out with reference to FIG. 2 as follows.
The circumference of the ankle AK between the lower leg SD and the heel K of the human foot has a contour (hereinafter, upper section UK) that is narrower and narrower than the ankle AK. In addition, the space between the heel K of the sole AZ and the arch TF has a narrowed and narrowed outline (hereinafter referred to as the lower part SK), but the sock knitting has such a contour. Not necessarily compatible.

  More specifically, first, the knitting from the leg portion 3 to the heel portion 4 of the sock of Patent Document 2 is shifted from the eye increasing area AI to the gore line Q (Q ′) R corresponding to the normal gore line. However, in such knitting, there is a possibility that the knitting width does not correspond to the contour around the upper portion UK to be exaggerated and slack may occur around the ankle AK. Secondly, the knitting from the heel part 4 to the sole part 5 of the sock does not correspond to the outline of the lower part SK around which the knitting width of the heel part should be reduced, and the slack may occur. There is sex. Thirdly, the Y-shaped gore line of the sock is too conscious of the wrapping of the heel K, and on the contrary, slack is likely to occur.

  Therefore, the present invention provides a sock that is knitted as faithfully as possible to the shape of the contour of the heel of the foot, and an object thereof is to solve the above first to third problems.

  In order to solve the above-described problem, the sock of the present invention includes a first gore line at the heel part, second and third gore lines knitted before knitting the first gore line, and the first gore line. A fourth and fifth gore line knitted after knitting, the first gore line knitting a range covering about half of the heel by sequentially raising the knitting needles of the sock knitting machine to a non-operating position; The knitting needles are sequentially lowered one by one to the operating position and formed by knitting a range that covers most of the heel, and has a start point at the start and end of the knitting, and the second gore line is the start point The third gore line is knitted in advance by a predetermined number of stitches from the starting point, and then sequentially lowered by the same number of stitches. And the fourth gore line is The fifth gore line is knitted with a predetermined number of stitches from the starting point, and then the fifth gore line is knitted as it is with the predetermined number of stitches. And the predetermined number of stitches of the second and fifth gore lines is greater than the predetermined number of stitches of the third and fourth gore lines. invention).

In the sock of the present invention, the predetermined number of stitches of the second gore line toward the start point of the first gore line is set to the predetermined stitch of the third gore line that is knitted by sequentially raising the needle from the start point and then lowering the needle sequentially. Since the number is larger than the number, the knitting width of the upper side of the heel portion of the socks is expanded to be removed, and the contour from the upper portion UK to the heel K can be made to correspond.
In addition, the predetermined number of stitches of the fifth gore line that finishes the knitting of the buttocks from the start point of the first gore line is knitted by sequentially raising the needle from the start point and then lowering the needle sequentially. Since there are more stitches than the predetermined number of gore lines, the knitting width of the lower side of the heel of the sock is reduced to be excluded, and the contour from the heel K to the lower part SK can be made to correspond.

  In order to solve the above-described problem, the sock of the present invention includes a first gore line, a second and third gore line knitted before knitting the first gore line, and a first gore line on the heel part of the sock. 4th and 5th gore lines knitted after knitting the gore line, the first gore line knitting a range covering about half of the heel by raising the knitting needles of the sock knitting machine sequentially to the non-operating position. Then, the knitting needles are successively lowered one by one to the operating position, and formed by knitting a range that covers most of the heel, and has a start point at the start and end of the knitting, the second gore line is To the starting point, knitting is performed by sequentially lowering the needle from a state where the predetermined number of stitches is raised, and the third gore line is sequentially raised by the predetermined number of stitches after the needle is sequentially raised from the starting point by the predetermined number of stitches. The fourth Goaray is knitted with a needle lowered Are knitted by sequentially raising the needle from the start point by a predetermined number of stitches, and then lowering the needle by the same number of stitches, and the fifth gore line is sequentially raised from the start point by a predetermined number of stitches. A sock formed by finishing the knitting of the buttock and having a predetermined number of stitches of the third and fourth gore lines is larger than a predetermined number of stitches of the second and fifth gore lines (claims) Item 2).

In the sock of the present invention, since the predetermined number of stitches of the third gore line is larger than the predetermined number of stitches of the second gore line, the knitting width of the upper side of the heel portion of the sock by the third gore line is the second gore line. Therefore, it can be made to correspond to the contour of the upper portion UK.
Further, since the predetermined number of stitches of the fourth gore line is larger than the predetermined number of stitches of the fifth gore line, the knitting width of the upper side of the sock at the fourth gore line is larger than the knitting width of the fifth gore line. It shrinks and can be made to correspond to the outline of the subordinate part SK.

  In order to solve the above-described problem, the sock of the present invention includes a first gore line, a second and third gore line knitted before knitting the first gore line, and a first gore line on the heel part of the sock. A fourth gore line knitted after knitting the gore line, the first gore line knitting a range covering about half of the heel by sequentially raising the knitting needles of the sock knitting machine to a non-operating position; It is formed by knitting a range that covers the most part of the heel by sequentially lowering the knitting needles one by one to the operating position, and has a starting point at the start and end of the knitting, and the second gore line is at the starting point Therefore, the third gore line is knitted in advance by a predetermined number of stitches from the starting point and then sequentially lowered by the same number of stitches. The fourth gore line is It is formed by sequentially raising the needle from the start point with a predetermined number of stitches and ending the knitting of the buttocks as it is, and the predetermined number of stitches of the second gore line is larger than the predetermined number of stitches of the third gore line (Invention of claim 3).

  In the sock of the present invention, since the predetermined number of stitches of the second gore line is larger than the predetermined number of stitches of the third gore line, the knitting width of the upper side of the heel portion of the sock is expanded to be excluded from the upper portion UK. It can be made to correspond to the outline over 踵 K.

In order to solve the above-described problem, a first gore line, a second gore line knitted before knitting the first gore line, and a third knitted after the first gore line are knitted on the heel part of the sock And a fourth gore line, the first gore line knitting a range covering about half of the heel by sequentially raising the knitting needles of the sock knitting machine to a non-operating position, and then sequentially knitting the needles one by one It is formed by knitting a range that covers the majority of the heel by lowering the needle to the operating position, and has a starting point that starts and ends the knitting,
The second gore line is knitted in advance with a predetermined number of stitches from the starting point, and the third gore line is knitted sequentially with a predetermined number of stitches from the needle up state of a predetermined number of stitches in advance toward the starting point. After that, the fourth gore line is formed by sequentially raising the needle with a predetermined number of stitches from the starting point and ending the knitting of the buttocks as it is. The number of predetermined stitches of the fourth gore line is larger than the predetermined number of stitches of the third gore line (invention of claim 4).

  In the sock of the present invention, since the predetermined number of stitches of the fourth gore line is larger than the predetermined number of stitches of the third gore line, the knitting width of the lower side of the heel portion of the sock is reduced to be excluded from the heel K. It is possible to correspond to the contour over the part SK.

  The present invention can provide a sock that is knitted as closely as possible to the contour shape of the heel of the foot as much as possible by solving the first to third problems.

It is a side view of the sock which added the development view of the heel part of the sock. (1)-(2) is each side view of the leg | foot for demonstrating the effect of the sock. It is a principal part top view of the needle cylinder of the automatic circular knitting machine used for the Example of socks. (1)-(7) is process drawing which shows the manufacturing process of the sock which concerns on Example 1. FIG. 6 is a side view of a sock according to Example 3. FIG. 6 is a side view of a sock according to Example 4. FIG. 10 is a side view of a sock according to Example 5. FIG.

As shown in FIG. 1, the heel portions C to G of the sock of the present invention include a first gore line g1 and second and third gore lines g2, which are knitted before knitting of the first gore line g1, g3 and fourth and fifth gore lines g4 and g5 knitted after knitting of the first gore line g1.
Here, the heel portions C to G of the sock are regions that are knitted between the leg B, the upper H, and the bottom I of the sock.

In the automatic circular knitting machine of the sock knitting machine, the first gore line g1 is sequentially moved one by one by half-rotating the needle cylinder S from both ends NE and NE (see FIG. 3) of the short butt needle N1 as a knitting needle. Increase the knitting width by narrowing the knitting width by narrowing the knitting width and reducing the stitches, then lowering the short bat needles N1 raised to the non-operating position one by one from both sides to the operating position, It is formed by knitting up to NE.
A range in which the upper half of the heel of the foot can be covered is knitted by raising the short bat needle N1, and then a range in which the majority of the heel can be covered by lowering the needle is knitted. Is done.

  The knitting start position and knitting end position of the first gore line g1 are indicated by “0” in FIG. 1 (hereinafter also referred to as the start point), and the position where the short bat needle N1 is switched from needle raising to needle lowering is shown. It is indicated by “3” in FIG.

The second gore line g2 is knitted from the state where the predetermined number of stitches has been raised (decreased) from the short bat needles N1 of both ends NE and NE in advance toward the starting point “0”, and the needle lowering ( It is formed by increasing the knitting width and knitting up to both ends NE and NE.
The start position of knitting of the second gore line g2 is indicated by “1” in FIG. 1, and the end position of knitting is indicated by “0” in FIG.

The third gore line g3 is formed by sequentially raising a predetermined number of stitches from the short butt needles N1 of both ends NE and NE corresponding to the starting point 0, and then gradually lowering the needles to increase the knitting width. It is formed by knitting up to.
The knitting start position and the knitting end position of the third gore line g3 are indicated by “0” in FIG. 1, and the position where the needle is raised to the needle lower is indicated by “2” in FIG.

The fourth gore line g4 has a predetermined number of stitches sequentially raised from the short butt needles N1 of both ends NE and NE corresponding to the starting point “0”, and then gradually lowered to increase the knitting width, It is formed by knitting up to NE.
The knitting start position and the knitting end position of the fourth gore line g4 are indicated by “0” in FIG. 1, and the position where the needle is raised to the needle lower is indicated by “4” in FIG.

The fifth gore line g5 reduces the knitting width by successively raising the predetermined number of stitches from the short bat needles N1 of both ends NE and NE corresponding to the starting point “0”, and finishes the knitting of the buttocks as it is. It is formed by.
The start position of knitting of the fifth gore line g5 is indicated by “0” in FIG. 1, and the end position of knitting is indicated by “5” in FIG.

The second gore line g2 forms the eye increasing region (eye increasing region) D1, and the third gore line g3 forms the eye reducing region (eye reducing region) E1 and the eye increasing region E2.
The reduced area F1 and the increased area F2 are knitted by the fourth gore line g4, and the reduced area G1 is knitted by the fifth gore line g5.

If the predetermined number of stitches for raising and / or lowering the needle from the second gore line g2 to the fifth gore line g5 is increased, the heel portions D to G are increased, while if the predetermined stitch number is decreased, The buttocks D to G are small.
In addition, at the position “2” where the needle E of the collar E is changed from needle raising to needle lowering and at the position “4” where the collar F is changed from needle raising to needle lowering, the number of stitches is the minimum, so the collar E And a force will act in the direction which binds the collar part F. FIG.
The predetermined number of stitches of the second to fifth gore lines g2 to g5 is the area around the ankle AK between the crus SD and the heel K shown in FIG. 2 and between the heel K of the sole AZ and the arch TF. It is determined according to the outline of the surrounding area.

Example 1 will be described with reference to FIG.
Put 531 denier of 100% cotton, FTY30 × 75 thread on the back thread into each yarn feeder L (see FIG. 3), and put # 90 rubber thread into rubber insertion slot (shown in the figure). The knitting is started with 1BY1 ″ rubber knitting, and the mouth rubber part A having a width of 7 centimeters and a length of 4 centimeters is tubular-knitted.

  Next, instead of “1BY1” rubber knitting, instead of “2BY1” rib knitting, the leg B is knitted by forming a tubular knitting with a width of 8 cm and a length of 16 m. (Refer to FIG. 4 (1) above)

Each of the needle cylinders S of the automatic circular knitting machine is arranged according to the number of "0 to 1" from both ends NE immediately before knitting the short bat needle N1 at the knitting position of a width of half circumference (1 / 2R). 10 pieces are raised to the non-operating position (needle raising), and half-rotation knitting of the buttock knitting is started.
When the short bat needle N1 raised to the non-operating position is sequentially lowered from the both ends to the operating position one by one (needle lowering), the knitting width is increased and the knitting is finished, and when the ten ends of the both ends are finished, the second The heel part D is knitted at the “1-0” portion of the Gore line (see FIG. 4 (2)).

Further, from the starting point of “0” to the end of “2”, the short bat needles N1 are sequentially raised from both ends NE by six each to the non-operating position (needle raising), and the knitting width is narrowed.
Next, from the end of “2” to the starting point of “0”, the short bat needles N1 in the non-operating position are sequentially lowered from the both ends to the operating position one by six (needle lowering) to increase the knitting width, The buttocks E are knitted at the “0-2” portion of the third gore line (see FIG. 4 (3) above).

Further, from the starting point of “0” to the end of “3”, 23 short bat needles N1 are sequentially raised from both ends NE to the non-operating position (needle raising), and the knitting width is narrowed.
Next, from the end of “3” to the starting point of “0”, the short putting needle N1 in the non-operating position is sequentially lowered from the both ends to the operating position one by one 23 each (needle lowering) and the knitting width is increased. The buttocks C are knitted at the “0-3” portion of one Gore line (see FIGS. 4 (4) and (5) above).

Further, from the starting point of “0” to the end of “4”, six short bat needles N1 are sequentially raised from both ends NE to the non-operating position (needle raising), and the knitting width is narrowed.
Next, from the end of “4” to the starting point of “0”, the short pad needle N1 in the non-operating position is sequentially lowered from the both ends one by one to the operating position, respectively (needle lowering), and the knitting width is increased. The buttocks F are knitted at the “0-4” portions of the 4 gore lines (see FIG. 4 (5) above).

  Further, from the starting point of “0” to the end of “5”, 10 short bat needles are sequentially raised from both ends NE to the non-operating position (needle raising), and the fifth gore line “0-5” is knitted. The collar part is terminated in the state, and the collar part G is formed (see FIG. 4 (6) above).

Next, the upper part H is knitted into ribs of “2BY1” and the bottom part I is knitted into flat knitting, with a width of 8 cm and a length of 13 cm (see FIG. 4 (7)).
Finally, the toe part J is knitted by reducing (needle raising) and increasing (needle lowering) 23 pieces from both ends.

In the first embodiment, the second and third gore lines g2 and g3 are knitted so as to reduce the number of stitches to be removed, so that the width of the upper side of the heel portion is enlarged to the removal, It is a collar part which can respond to the surrounding contour, in particular, the contour from the upper part UK to the collar K.
Further, since the fourth and fifth gore lines g4 and g5 are knitted so as to increase the number of stitches in the removal, the width of the lower side of the heel portion is reduced in the removal, and the contour around the lower joint SK, in particular, It becomes a collar corresponding to the contour from the collar K to the lower part SK.
In addition, since the heel portions C to G bulge and shrink with the start point as the center, a sock in which the shape of the heel is faithfully knitted can be provided.
In addition, the shape of the side surface of the sock is knitted into an L-shape (right angle), which is close to a human foot, and when such a sock is worn, the fit between the foot and the sock is enhanced, and an effect of preventing slippage is obtained. It is done.
The predetermined number of stitches of the second to fifth gore lines g2 to g5 is the circumference of the ankle AK between the lower leg SD and the heel K shown in FIG. 2, the circumference between the heel K of the sole AZ and the arch TF. It is determined in accordance with the contour of the body, and is not limited to 6 or 10, but is adjusted according to various foot shapes that depend on sex, age, use of socks, and the like.

The number of needle drops on the second gore line g2 may be changed from 10 to 6, and the number of needles raised and lowered on the third gore line g3 may be changed from 6 to 10.
Further, the number of needles raised and lowered for the fourth gore line g4 may be changed from 6 to 10, and the number of needles raised for the fifth gore line g5 may be changed from 10 to 6.
And by knitting so that the upper binding portion UK is covered with the reduced area E1 and the increased area E2 by the second gore line g2, socks that can be fitted to the contour of the foot when wearing socks, Become.
That is, the knitting width of the upper side of the heel of the sock by the third gore line g3 is smaller than the knitting width by the second gore line g2, and acts as a resistance against the force of spreading when the sock is worn, This can correspond to the contour of the upper section UK.
Further, the sock can be fitted to the contour of the foot when the sock is worn by knitting so that the lower binding part SK is covered with the reduced area F1 and the increased area F2 by the third gore line g3. Become.
That is, since the predetermined number of stitches of the fourth gore line g4 is larger than the predetermined number of stitches of the fifth gore line g5, the knitting width of the upper side of the heel portion of the sock by the fourth gore line g4 is the fifth gore line g5. Therefore, it acts as a resistance against the force of spreading when wearing such socks, and can correspond to the contour of the lower part SK.
Other configurations are the same as those of the first embodiment, and the same effects are obtained.

As shown in FIG. 5, the heel portion of the sock according to the third embodiment includes a first gore line g1, and second and third gore lines g2 and g3 knitted before knitting of the first gore line g1. , A fourth gore line g40 knitted after the knitting of the first gore line g1 is provided.
In the case of each of the above examples, five gore lines were knitted. In this example, four gore lines were knitted, and after knitting up to the buttocks C as in each example, Without knitting the fourth gore line g4, raise 10 needles sequentially from the starting point “0” to “5”, knitting “0-5” of the fourth gore line g40, The part is finished and the collar part G is formed.
Other configurations are the same as those in the above-described embodiment and have the same functions and effects. In the sock according to the third embodiment, the second and third gore lines knitted before knitting the first gore line g1. With g2 and g3, it is possible to obtain the same operational effects as in the above embodiments.

As shown in FIG. 6, the heel portion of the sock according to the fourth embodiment includes a first gore line g1, a second gore line g2 knitted before knitting the first gore line g1, and the first gore line g1. The third and fourth gore lines g30 and g40 are provided after the gore line g1 is knitted.
As in the case of the third embodiment, four gore lines are knitted. After the second gore line g2 is knitted as in each of the embodiments, the start point “ The first gore line g1 is shifted to knitting from "0", and then the third gore line g30 corresponding to the fourth gore line g4 is knitted, and the fourth gore line g40 corresponding to the fifth gore line g5 is set. To organize.
Other configurations are the same as those in the above-described embodiment, and have the same functions and effects. In the sock according to the fourth embodiment, the third and fourth gore lines g30 and g40 have the same functions as the above-described embodiments. An effect can be obtained.

As shown in FIG. 7, the leg portion B of the sock may be configured by a support portion.
The leg B is knitted by "3BY1".
Other configurations are the same as those of the above-described embodiments, and the same operational effects are obtained. However, since the leg portion B is constituted by the support portion, when the sock is worn, the wearer can A feeling of fitting by the heel parts C to G and a feeling of fitting by the leg part B of the sock with respect to the leg thigh SD are synergistically enhanced.

  The present invention is not limited to the embodiments described above, and many variations can be made by those having ordinary knowledge in the art within the technical idea of the present invention.

A mouth rubber part B leg C to G hip part H upper part I bottom part J toe part g1 first gore line g2 second gore line g3 g30 third gore line g4 g40 fourth gore line g5 fifth gore line N1 short bat Needle N2 Long butt needle NE, NE both ends S Needle cylinder

D1 Eye increasing area (mesh area) E1 Eye decreasing area (mesh area)
E2 Increased area F1 Reduced area F2 Increased area G1 Reduced area

SD Lower leg K 踵 AK Ankle UK Upper part AZ Foot TF arch SK Lower part

0 Start point

Claims (4)

The first gore line, the second and third gore lines knitted before knitting the first gore line, and the fourth and fifth knitted after the first gore line are knitted on the heel part of the sock Gore line
In the first gore line, the knitting needles of the sock knitting machine are sequentially raised to the non-operating position to knitting a range covering about half of the heel, and then the knitting needles are successively lowered one by one to the operating position. It is formed by knitting a range that covers most of the area, and has a starting point that starts and ends the knitting,
The second gore line is knitted by sequentially lowering the needle from the needle-up state of a predetermined number of stitches in advance toward the starting point,
The third gore line is knitted by sequentially raising the needle by a predetermined number of stitches from the starting point and then lowering the needle by the same number of stitches.
The fourth gore line is knitted by sequentially raising the needle with a predetermined number of stitches from the starting point and then lowering the needle with the same number of stitches.
The fifth gore line is knitted by sequentially raising the needle with a predetermined number of stitches from the starting point and ending the knitting of the buttocks as it is,
The sock characterized in that the predetermined stitch number of the second and fifth gore lines is larger than the predetermined stitch number of the third gore line and the fourth gore line. The first gore line, the second and third gore lines knitted before knitting the first gore line, and the fourth and fifth knitted after the first gore line are knitted on the heel part of the sock Gore line
In the first gore line, the knitting needles of the sock knitting machine are sequentially raised to the non-operating position to knitting a range covering about half of the heel, and then the knitting needles are successively lowered one by one to the operating position. It is formed by knitting a range that covers most of the area, and has a starting point that starts and ends the knitting,
The second gore line is knitted by sequentially lowering the needle from the needle-up state of a predetermined number of stitches in advance toward the starting point,
The third gore line is knitted by sequentially raising the needle by a predetermined number of stitches from the starting point and then lowering the needle by the same number of stitches.
The fourth gore line is knitted by sequentially raising the needle with a predetermined number of stitches from the starting point and then lowering the needle with the same number of stitches.
The fifth gore line is knitted by sequentially raising the needle with a predetermined number of stitches from the starting point and ending the knitting of the buttocks as it is,
The sock characterized in that the predetermined number of stitches of the third and fourth gore lines is larger than the predetermined number of stitches of the second and fifth gore lines. A first gore line, second and third gore lines knitted before the knitting of the first gore line, and a fourth gore line knitted after the knitting of the first gore line are provided on the heel portion of the sock. ,
In the first gore line, the knitting needles of the sock knitting machine are sequentially raised to the non-operating position to knitting a range covering about half of the heel, and then the knitting needles are successively lowered one by one to the operating position. It is formed by knitting a range that covers most of the area, and has a starting point that starts and ends the knitting,
The second gore line is knitted by sequentially lowering the needle from the needle-up state of a predetermined number of stitches in advance toward the starting point,
The third gore line is knitted by sequentially raising the needle by a predetermined number of stitches from the starting point and then lowering the needle by the same number of stitches.
The fourth gore line is knitted by sequentially raising the needle with a predetermined number of stitches from the starting point and ending the knitting of the buttocks as it is,
The sock characterized in that the predetermined number of stitches of the second gore line is larger than the predetermined number of stitches of the third gore line. A first gore line, a second gore line knitted before the knitting of the first gore line, and third and fourth gore lines knitted after the knitting of the first gore line are provided on the heel portion of the sock. ,
In the first gore line, the knitting needles of the sock knitting machine are sequentially raised to the non-operating position to knitting a range covering about half of the heel, and then the knitting needles are successively lowered one by one to the operating position. It is formed by knitting a range that covers most of the area, and has a starting point that starts and ends the knitting,
The second gore line is knitted by sequentially lowering the needle from the needle-up state of a predetermined number of stitches in advance toward the starting point,
The third gore line is knitted by sequentially raising the needle by a predetermined number of stitches from the starting point and then lowering the needle by the same number of stitches.
The fourth gore line is knitted by sequentially raising the needle with a predetermined number of stitches from the starting point and ending the knitting of the buttocks as it is,
The sock characterized in that the predetermined number of stitches of the fourth gore line is larger than the predetermined number of stitches of the third gore line.

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