TWI659703B - Method for manufacturing moisture-permeable waterproof shoes - Google Patents

Abstract

A method for manufacturing moisture-permeable waterproof shoes, comprising: (A) preparing an upper unit, a shoe-like inner cover, a waterproof cover cup, a waterproof strip, a sole unit, and a shoe last; the shoe-like inner cover includes at least A cutting piece, the shoe-shaped inner sleeve has a rear seam portion and a bottom seam portion. (B) The shoe-shaped inner sleeve is put on the shoe last. (C) Applying an adhesive to the shoe-shaped inner cover and the waterproof cover cup, respectively. (D) The waterproof cover cup is put on the shoe-shaped inner cover, so that the waterproof cover cup covers a part of the rear seam portion adjacent to the bottom seam portion and completely covers the bottom seam portion. (E) The waterproof strip covers the rear seam portion above the rest of the waterproof cover cup, and the waterproof strip cooperates with the shoe-shaped inner cover and the waterproof cover cup to form an inner cover unit. (F) The upper unit is put on and fixed to the inner cover unit. (G) The sole unit is fixed to the upper unit.

Description

Method for manufacturing moisture-permeable waterproof shoes

The invention relates to a shoe, in particular to a method for manufacturing a moisture-permeable waterproof shoe.

An inner cover of a conventional moisture-permeable waterproof shoe is generally made by sewing a left piece, a right piece and a bottom piece to each other. In order to achieve the waterproof effect, the inner cover is completed in the seam. Later, the waterproof strip needs to be manually applied to the three seams between the left panel, the right panel, and the bottom panel. However, since the length of these seams is quite long, and most of them are not Straight, for example, there are multiple curvature changes around one of the seams around the base panel. Therefore, it is not easy to stick it when applying a waterproof strip. In this way, in addition to using a lengthy waterproof In addition to the strip, more labor is needed to perform the difficult waterproof strip attaching operation, which is not convenient in processing.

Therefore, an object of the present invention is to provide a method for manufacturing a moisture-permeable waterproof shoe capable of overcoming at least one disadvantage of the prior art.

Therefore, the manufacturing method of the moisture-permeable waterproof shoes of the present invention includes:

(A) Prepare an upper unit, a shoe-like inner cover, a waterproof cover cup, a waterproof strip, a sole unit, and a shoe last. The upper unit defines an internal space with an open top. The shoe The inner sleeve includes at least one cutting piece, the cutting piece includes a lining layer, a surface cloth layer located outside the lining layer, and a foam layer fixed between the lining layer and the surface cloth layer, And a moisture-permeable waterproof layer fixed to the outer surface of the surface cloth layer, the shoe-shaped inner sleeve defines a wearing space with an open top and a closed bottom, and the shoe-shaped inner sleeve has a rear seam portion, And a bottom seam portion, the rear seam portion extends upward from the bottom seam portion, and the waterproof sleeve cup defines an open space with a top end.

(B) The shoe-shaped inner cover is put on the shoe last, so that the shoe last is inserted into the wearing space of the shoe-shaped inner cover.

(C) Applying an adhesive to the outer surface of the shoe-shaped inner cover and the inner surface of the waterproof cover cup, respectively.

(D) The waterproof cup is put on the shoe last with the shoe-shaped inner cover, so that the shoe-shaped inner cover and the shoe last are put into the waterproof space of the waterproof cup to make the waterproof The cover cup covers a part of the rear seam portion adjacent to the bottom seam portion, and completely covers the bottom seam portion.

(E) The waterproof strip covers the rear seam portion above the rest of the waterproof cover cup, and the waterproof strip cooperates with the shoe-shaped inner cover and the waterproof cover cup to form an inner cover unit.

(F) The upper unit is put on the last with the inner cover unit, the inner cover unit and the last are penetrated into the inner space of the upper unit, and the upper unit is fixed. Connected to the inner sleeve unit.

(G) The sole unit is fixed to the bottom of the upper unit.

The function of the present invention is that the bottom seam portion of the shoe-shaped inner sleeve can be completely sealed by the waterproof cover cup, and a part of the rear seam portion is also sealed, so that the present invention only needs to manually waterproof the waterproof portion. The strip is attached to the rear seam portion above the remaining part of the waterproof cup, and the entire application of the waterproof strip can be completed. The invention can greatly simplify the application of the waterproof strip to save the waterproof strip. With manpower required for operation, and can effectively reduce the use of waterproof strips, the invention can facilitate the processing and manufacture of moisture-permeable waterproof shoes and reduce the manufacturing cost

Before the present invention is described in detail, it should be noted that in the following description, similar elements are represented by the same numbers.

Referring to FIGS. 1 and 2, a first embodiment of a method for manufacturing a moisture-permeable waterproof shoe according to the present invention. The method for manufacturing the moisture-permeable waterproof shoe includes the following steps:

Step 210: As shown in FIGS. 1 and 2, a shoe upper unit 10, a shoe-like inner cover 21, a waterproof cover cup 22, a waterproof strip 23, a sole unit 30, and a shoe last 40 are prepared.

The upper unit 10 defines an internal space 11 with an open top end. In the first embodiment, the bottom end of the internal space 11 is also open, but it is not limited thereto.

As shown in Figs. 3, 4, and 9, the shoe-shaped inner cover 21 includes two pieces. One of the pieces is defined as one side piece 24, and the other of the pieces is defined as one bottom portion. Piece 25, the face piece 24 includes a lining layer 241, a surface cloth layer 242 located outside the lining layer 241, and a foam fixed between the lining layer 241 and the surface cloth layer 242 Layer 243, and a moisture-permeable waterproof layer 244 fixed to the outside of the surface cloth layer 242. The bottom panel 25 includes a lining layer 251, a surface cloth layer 252 outside the lining layer 251, and a fixed connection. A foam layer 253 between the inner cloth layer 251 and the surface cloth layer 252, and a moisture-permeable waterproof layer 254 fixed to the outside of the surface cloth layer 252. The front panel 24 cooperates with the bottom panel 25 A wearing space 26 is defined with an open top end and a closed bottom end. In the first embodiment, the face piece 24 has an inner surrounding edge 245, an outer surrounding edge 246 surrounding the inner surrounding edge 245, and two ends connected to the inner surrounding edge 245 and the outer surrounding edge. Between the two ends of 246, the rear edge 247 is sewn together with each other. The bottom panel 25 has an outer peripheral edge 255 sewn together with the outer peripheral edge 246, and the moisture permeability of the face panel 24 The material of the waterproof layer 244 and the moisture-permeable waterproof layer 254 of the bottom panel 25 is polyurethane (Polyurethane, PU), but it is not limited to this. The wearing space 26 forms an inner surrounding edge 245. Around the top opening 261.

The shoe-shaped inner cover 21 has a rear seam portion 211 formed at the rear end of the face piece 24 and a bottom seam portion 212 formed between the face piece 24 and the bottom piece 25. The slit portion 211 extends upward from the bottom slit portion 212. In the first embodiment, the rear seam portion 211 extends upward from the bottom seam portion 211 along the rear edge 247, and the bottom seam portion 212 surrounds the outer peripheral edge 246 and the outer peripheral edge 255. .

As shown in FIG. 2, the waterproof cover cup 22 defines an insertion space 223 with an open top end. In the first embodiment, the waterproof cover cup 22 has a bottom wall 221 and a peripheral wall 222 extending upward along the periphery of the bottom wall 221. The bottom wall 221 cooperates with the peripheral wall 222 to define the sleeve space. 223. In addition, the material of the waterproof cover cup 22 is Polyurethane (PU), but it is not limited thereto.

Step 220: As shown in FIGS. 1 and 5, the shoe-shaped inner cover 21 is put on the shoe last 40, so that the shoe last 40 is inserted into the wearing space 26 of the shoe-shaped inner cover 21 (see FIG. 4). ;

Step 230: As shown in FIGS. 1, 5, and 6, an adhesive 50 is applied to the outer surface of the shoe-shaped inner cover 21 and the inner surface of the waterproof cover cup 22, respectively. In the first embodiment, the adhesive 50 is sprayed on the outer surface of the shoe-shaped inner cover 21 and the inner surface of the waterproof cover cup 22 by spraying, but it is not limited thereto.

Step 240: As shown in FIGS. 1, 5, and 6, the shoe-shaped inner cover 21 and the waterproof cover cup 22 are heated to generate a preheating effect before the shoe-shaped inner cover 21 and the waterproof cover cup 22 are combined.

Step 250: As shown in FIGS. 1, 7 and 8, wear the waterproof cover cup 22 on the shoe last 40 with the shoe-shaped inner cover 21, and wear the shoe-shaped inner cover 21 together with the shoe last 40. Into the sleeve space 223 (see FIG. 6) of the waterproof cover cup 22 so that the waterproof cover cup 22 covers the rear seam portion 211 adjacent to a portion 213 of the bottom seam portion 212 and completely covers the bottom car The seam 212, at this time, the adhesive 50 between the shoe-like inner cover 21 and the waterproof cover cup 22 will be cured into an adhesive layer 51 (see FIG. 9), so that the shoe-like inner cover 21 and the waterproof cover cup 22 integrate. In the first embodiment, preferably, the waterproof cover cup 22 can be put on the shoe last 40 with the shoe-shaped inner cover 21 under a vacuum environment. In this way, during the bonding process Can prevent air from being trapped between the shoe-shaped inner cover 21 and the waterproof cover cup 22, and can make the shoe-shaped inner cover 21 and the waterproof cover cup 22 more tightly together, resulting in better adhesion, If a vacuum is not used to evacuate the environment in step 250, a sole press (not shown) can also be used to compress the waterproof cover cup 22 and the shoe-like inner cover 21, and the waterproof cover The air between the cup 22 and the shoe-like inner sleeve 21 is forced out to increase the bonding between the two.

It can be understood that, in other variations of the first embodiment, the step 240 may also be canceled, and instead, the shoe-shaped inner cover 21 and the waterproof cover cup 22 are simultaneously heated in step 250 instead.

Step 260: As shown in FIGS. 1, 7, and 10, the waterproof strip 23 covers the rear seam portion 211 above the remaining portion 214 of the waterproof cup 22, and the waterproof strip 23 cooperates with the shoe-shaped inner sleeve 21 An inner cover unit 20 is formed with the waterproof cover cup 22. In the first embodiment, the waterproof strip 23 is fixed to the outer surface of the shoe-like inner cover 21 along the rear seam portion 211 and extends above the remaining portion 214 of the waterproof cover cup 22.

It can be understood that, in other variations of the first embodiment, step 240 may be cancelled, and after step 260 is changed, the shoe-shaped inner cover 21 and the waterproof cover cup 22 may be heated.

Step 270: As shown in FIGS. 1, 8, and 9, the upper unit 10 is put on the last 40 with the inner cover unit 20, and the inner cover unit 20 and the last 40 are threaded into the upper 40. The upper unit 10 is inside the inner space 11, and the upper unit 10 is fixed to the inner cover unit 20. In the first embodiment, an adhesive 60 applied between the upper unit 10 and the inner cover unit 20 is used to fix the upper unit 10 and the inner cover unit 20 together. The adhesive 60 is cured to form an adhesive layer 61.

Step 280: As shown in FIGS. 1, 8 and 9, the sole unit 30 is fixed to the bottom of the upper unit 10. In the first embodiment, an adhesive 70 is used to fix the top of the sole unit 30 and the bottom of the upper unit 10 together, and the top of the sole unit 30 and the bottom of the inner cover unit 20 are fixed together. Together, the adhesive 70 is cured to form an adhesive layer 71.

Step 290: As shown in FIGS. 1, 8, and 11, the shoe last 40 is removed from the inner cover unit 20, so that the manufacture of a moisture-permeable waterproof shoe 100 can be completed.

Through the above description, the advantages of the present invention can be summarized as follows:

1. The present invention can use the waterproof cover cup 22 to completely seal the bottom seam portion 212 on the shoe-like inner sleeve 21 and seal the portion 213 of the rear seam portion 211. Therefore, the present invention The invention only needs to manually attach the waterproof strip 23 with a short length to the rear portion 211 of the rear seam 211 which is almost linear to complete the entire attachment of the waterproof strip. Technology, in addition to effectively reducing the usage of the waterproof strip, the present invention can also easily complete the attaching operation of the waterproof strip with the least manpower, which is quite convenient in processing, which can save manpower and reduce manufacturing costs.

2. The shoe-like inner cover 21 of the inner cover unit 20 of the present invention is sewn only from two pieces, such as the face piece 24 and the bottom piece 25. Compared with the conventional technology, the shoe can be reduced. The sewing operation required for the inner sleeve 21 is convenient for manufacturing.

3. The inner cover unit 20 of the present invention uses the moisture-permeable waterproof layer 244 of the face piece 24 of the shoe-like inner cover 21 and the moisture-permeable waterproof layer 254 of the bottom piece 25 to cooperate with the waterproof cover cup 22 and the waterproof strip 23 The design can effectively prevent outside water from penetrating into the wearing space 26 of the inner cover unit 20, and has a good waterproof effect on the entire foot of the user.

Referring to FIGS. 1 and 12, a second embodiment of the present invention is similar to the first embodiment. The difference between the second embodiment and the first embodiment lies in:

In this step 210 (see FIG. 1), as shown in FIGS. A dressing space 26 is provided. The cutting piece 27 has a main surface 271 and two side portions 272 symmetrically disposed on both sides of the main surface 271 and integrally connected to the main surface 271.

The main surface portion 271 has a front curved flange 273 and an opening concave edge 274. In the second embodiment, the wearing space 26 forms a top opening 261 surrounded by the opening concave edge 274.

Each side portion 272 has a side abutment edge 275, a front arc-shaped engaging edge 276 connected between the side abutment edge 275 and one end of the front arc-shaped flange 273, and a side abutment edge 275. A rear butt edge 277 between one end of the recessed edge 274 of the opening, the front curved flange 273 and the front arc connecting edge 276 of the side portions 272 are sewn to each other. The abutting edges 275 are sewn to each other, and the rear abutting edges 277 of the side portions 272 are sewn to each other.

The shoe-shaped inner cover 21 has a front seam portion 215 extending along the front arc-shaped engaging edge 276 of the front arc-shaped flange 273 and the side portions 272, and a side-butting edge 275 along the side portions 272. An extended bottom seam portion 216 and a rear seam portion 217 extending upward from the bottom seam portion 216 along the rear butt edges 277 of the side portions 272 and connected in series with the bottom seam portion 216. In the second embodiment, the bottom seam portion 216 and the rear end seam portion 217 are formed by sewing on the same line, but it is not limited thereto.

In this step 250 (see FIG. 1), as shown in FIGS. 16 and 17, the waterproof cover cup 22 is put on the shoe last 40 with the shoe-shaped inner cover 21 to make the shoe-shaped inner cover 21 The shoe cover 40 is inserted into the sleeve space 223 (see FIG. 12) of the waterproof cover cup 22 so that the waterproof cover cup 22 covers the rear seam portion 217 adjacent to a portion 218 of the bottom seam portion 216. The front seam portion 215 and the bottom seam portion 216 are completely covered.

In step 260 (see FIG. 1), as shown in FIGS. 16 and 17, covering the rear seam portion 217 with the waterproof strip 23 is higher than the remaining portion 219 of the waterproof cup 22. In the second embodiment, the waterproof strip 23 is fixed to the outer surface of the shoe-like inner cover 21 along the rear seam portion 217 above the remaining portion 219 of the waterproof cover cup 22.

In this way, the second embodiment can also achieve the same purpose and effect as the first embodiment described above.

In summary, the manufacturing method of the moisture-permeable waterproof shoes of the present invention can not only save the labor required for the waterproof strip attaching operation and the usage amount of the waterproof strip, but also make the waterproof strip attaching operation easier, and It is fully waterproof and moisture-permeable, so it can really achieve the purpose of the invention.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited in this way, any simple equivalent changes and modifications made in accordance with the scope of the patent application and the content of the patent specification of the present invention are still Within the scope of the invention patent.

10‧‧‧ Upper unit

11‧‧‧Internal space

20‧‧‧Inner sleeve unit

21‧‧‧Shoe-shaped inner sleeve

211‧‧‧Back end sewing section

212‧‧‧Bottom sewing section

213‧‧‧part

214‧‧‧part

215‧‧‧Front sewing section

216‧‧‧Bottom sewing section

217‧‧‧Back seam section

218‧‧‧part

Part 219‧‧‧

22‧‧‧Waterproof Cup

221‧‧‧ bottom wall

222‧‧‧Zhou Bi

223‧‧‧ Nested in space

23‧‧‧Waterproof strip

24‧‧‧ Face Cut

241‧‧‧Libu layer

242‧‧‧ surface cloth layer

243‧‧‧foam layer

244‧‧‧Moisture-permeable waterproof layer

245‧‧‧Inner surrounding edge

246‧‧‧ outer periphery

247‧‧‧back edge

25‧‧‧ bottom cut

251‧‧‧Libu layer

252‧‧‧ surface cloth layer

253‧‧‧foam layer

254‧‧‧Moisture-permeable waterproof layer

255‧‧‧outer periphery

26‧‧‧ Dressing space

261‧‧‧Top opening

27‧‧‧cut pieces

271‧‧‧Main face

272‧‧‧side

273‧‧‧Front curved flange

274‧‧‧open recess

275‧‧‧ side butt edge

276‧‧‧Front arc joint

277‧‧‧ butt fate

30‧‧‧ sole unit

40‧‧‧Shoe last

50‧‧‧ Adhesive

51‧‧‧ Adjacent layer

60‧‧‧Adhesive

61‧‧‧Adhesive layer

70‧‧‧ Adhesive layer

71‧‧‧Adhesive layer

100‧‧‧ Waterproof and breathable shoes

210‧‧‧ steps

220‧‧‧step

230‧‧‧ steps

240‧‧‧ steps

250‧‧‧ steps

260‧‧‧step

270‧‧‧step

280‧‧‧step

290‧‧‧step

Other features and effects of the present invention will be clearly presented in the embodiment with reference to the drawings, in which: FIG. 1 is a schematic flowchart of a first embodiment of a method for manufacturing a moisture-permeable waterproof shoe of the present invention; FIG. 2 is a An exploded perspective view illustrating a shoe upper unit, a shoe-like inner cover, a waterproof cover cup, a waterproof strip, a sole unit, and a shoe last prepared in the first embodiment; FIG. 3 shows the shoe-like inner cover An exploded perspective view of one side piece and one bottom piece; FIG. 4 is a perspective view of the shoe-shaped inner sleeve; FIG. 5 is an incomplete perspective schematic view illustrating that the shoe-shaped inner sleeve is put on the shoe last, An adhesive is applied to the outer surface of the shoe-like inner cover; FIG. 6 is an incomplete perspective diagram illustrating the application of the adhesive to the inner surface of the waterproof cup; FIG. 7 is a view similar to FIG. 5 is a view illustrating that the waterproof cover cup is put on the shoe last with the shoe-shaped inner cover, and the waterproof strip is attached to the shoe-shaped inner cover; FIG. 8 is a combined cross-sectional view illustrating that The sole unit is fixed to the bottom of the upper unit; FIG. 9 is an incomplete part of FIG. 8. View; Figure 10 is an enlarged view of another incomplete part of Figure 8; Figure 11 is a perspective view illustrating the removal of the last to complete the manufacture of a moisture-permeable waterproof shoe; Figure 12 is an exploded perspective view illustrating The upper unit, the shoe-like inner cover, the waterproof cover cup, the waterproof strip, the sole unit, and the shoe last prepared in the second embodiment of the method for manufacturing moisture-permeable waterproof shoes of the present invention; A perspective view of a piece of shoe-shaped inner sleeve; FIG. 14 is a perspective view of a prototype of the shoe-shaped inner sleeve folded into the shoe-shaped inner sleeve; FIG. 15 is a perspective view of the shoe-shaped inner sleeve; A view similar to FIG. 15 illustrates that the waterproof cover cup is put on the shoe last with the shoe-shaped inner cover, and the waterproof strip is attached to the shoe-shaped inner cover; and FIG. 17 is the first A combined sectional view of the two embodiments.

Claims (7)

A method for manufacturing moisture-permeable waterproof shoes includes: (A) preparing an upper unit, a shoe-like inner cover, a waterproof cover cup, a waterproof strip, a sole unit, and a shoe last, the upper unit defining a The top is an open-shaped interior space. The shoe-shaped inner cover includes a cut piece, the cut piece includes a lining layer, a surface cloth layer located outside the lining layer, a lining layer fixed to the lining layer and the watch. The foam layer between the cloth layers and a moisture-permeable waterproof layer fixed to the outside of the surface cloth layer. The shoe-shaped inner sleeve defines a wearing space with an open top end and a closed bottom end. The inner sleeve has a rear seam portion and a bottom seam portion, and the rear seam portion extends upward from the bottom seam portion. The waterproof cover cup defines an open-type insertion space at the top end, and the cutting piece surrounds the boundary Out of the wearing space, the piece has a main face and two sides symmetrically disposed on both sides of the main face and integrally connected with the main face, the main face has a front arc flange, and an opening A concave edge, each side having a butting edge on one side, and a connecting edge connected to the butting edge on the side and the front arc flange A front arc-shaped engaging edge between one of the ends and a rear butt edge connected between the side butt edge and one of the ends of the opening concave edge, the front arc-shaped flange is connected to the front arcs of the sides The edges are sewn together, the side butt edges of the sides are sewn together, the rear butt edges of the sides are sewn together, and the bottom seam of the shoe-like inner sleeve is along the sides. The side butt edge of the shoe-like inner sleeve extends from the bottom seam portion upward along the rear butt edges of the side portions, and is connected in series with the bottom seam portion. The shoe-like inner sleeve There is also a front seam portion that extends along the front arc-shaped joint edges of the front arc flanges and the side portions; (B) the shoe-like inner sleeve is put on the shoe last, so that The shoe last penetrates into the wearing space of the shoe-shaped inner cover; (C) applies an adhesive to the outer surface of the shoe-shaped inner cover and the inner surface of the waterproof cover cup; (D) the waterproof cover The cup is sleeved on the shoe last with the shoe-shaped inner sleeve, so that the shoe-shaped inner sleeve together with the shoe last is penetrated into the sleeve space of the waterproof jacket cup, so that the waterproof The cover cup covers a part of the rear seam portion adjacent to the bottom seam portion, and completely covers the bottom seam portion, so that the waterproof cover cup completely covers the front seam portion; (E) covers the waterproof strip at the rear end The seam portion is raised from the rest of the waterproof cover cup, the waterproof strip cooperates with the shoe-shaped inner sleeve and the waterproof cover cup to form an inner cover unit, and the waterproof strip is raised from the waterproof sleeve along the rear seam portion. The rest of the cup is fixed to the outer surface of the shoe-shaped inner cover; (F) the upper unit is put on the shoe last with the inner cover unit, so that the inner cover unit and the shoe last are put in The upper unit is fixed in the inner space of the upper unit, and the upper unit is fixed to the inner cover unit; and (G) the sole unit is fixed to the bottom of the upper unit. The method for manufacturing a moisture-permeable waterproof shoe according to claim 1, further comprising a step (D1) between the step (C) and the step (D), and in the step (D1), heating the inside of the shoe shape Cover with the waterproof cover cup. The method for manufacturing a moisture-permeable waterproof shoe according to claim 1, wherein in the step (D), the shoe-shaped inner cover and the waterproof cover cup are heated. The method for manufacturing a moisture-permeable waterproof shoe according to claim 1, further comprising a step (F1) between the step (E) and the step (F), and in the step (F1), heating the inside of the shoe shape Cover with the waterproof cover cup. The method for manufacturing a moisture-permeable waterproof shoe according to claim 1, wherein, in step (D), the waterproof cup is put on the shoe last with the shoe-shaped inner cover under a vacuum environment. . The method for manufacturing a moisture-permeable waterproof shoe according to claim 1, further comprising a step (H) after the step (G). In the step (G), the top of the sole unit and the sole unit are bonded with an adhesive. The bottom of the upper unit is fixed together, and the top of the sole unit and the bottom of the inner cover unit are fixed together. In step (H), the last is removed from the inner cover unit. The method for manufacturing a moisture-permeable waterproof shoe according to claim 1, wherein in step (A), the material of the moisture-permeable waterproof layer of the cutting piece is polyurethane, and the material of the waterproof cover cup is polyamino Ethyl formate, the waterproof sleeve cup has a bottom wall and a peripheral wall extending upward along the peripheral edge of the bottom wall, and the bottom wall cooperates with the peripheral wall to define the sleeve space.