CN111603314A

CN111603314A - Anti-fraying pull-up pants and manufacturing process thereof

Info

Publication number: CN111603314A
Application number: CN202010447262.8A
Authority: CN
Inventors: 吴朱兴; 洪玉容
Original assignee: Hengan Fujian Holding Group Co Ltd; Fujian Hengan Household Life Article Co Ltd; Hengan China Hygiene Products Co Ltd
Current assignee: Hengan Fujian Holding Group Co Ltd; Fujian Hengan Household Life Article Co Ltd; Hengan China Hygiene Products Co Ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-09-01
Anticipated expiration: 2040-05-25
Also published as: CN111603314B

Abstract

The invention relates to the field of disposable sanitary products, in particular to anti-fraying pull-up pants, which comprise a front waistline, a rear waistline and an absorption main body, wherein the rear waistline comprises a substrate layer, the upper end of the substrate layer extends beyond the absorption main body to form an extension part, a plurality of rubber bands are arranged on the extension part in the width direction, elastic sheets are respectively arranged at the left end and the right end of the absorption main body on the substrate layer, the elastic sheets extend to cover the two sides of the absorption main body and are bonded with the absorption main body, the part of the elastic sheet covering the absorption main body is subjected to elastic loss in a point breaking mode, a point breaking area is formed at the point breaking part, and one side of the elastic sheet, which is far away from the absorption. It has been solved current needs and has carried out the rubber band to the waistline of three-piece type pull-up diaper and break, leads to bringing perforation, pincher trees irregularity, the relatively poor technical problem of outward appearance presentation degree. Correspondingly, a manufacturing process of the anti-frail pull-up pants is also provided.

Description

Anti-fraying pull-up pants and manufacturing process thereof

Technical Field

The invention relates to the field of disposable sanitary products, in particular to anti-fraying pull-up pants and a manufacturing process thereof.

Background

Chinese patent No.: 201720147900.8 discloses a dynamic body fitting three-piece pull-up diaper comprising a front elastic waist portion, a back elastic waist portion, and a composite absorbent panel. The composite absorption sheet comprises a liquid-permeable top layer, a liquid-impermeable side leakage prevention layer, a liquid-impermeable bottom layer and an absorption layer arranged between the liquid-permeable top layer and the liquid-impermeable bottom layer; the front elastic waist part and the back elastic waist part are two independent and separated materials and are elastic material pieces consisting of elastic wires and non-woven fabrics, the composite water absorption piece is arranged at the crotch position between the front elastic waist part and the back elastic waist part, and the composite water absorption piece and the front elastic waist part and the back elastic waist part form three-piece pull-up pants. This patent discloses the general structure of the prior three-piece pull-up pants, i.e. the absorbent main body is an independent part, and the front waistline and the back waistline are each an independent part.

The preceding waistline of current three-piece formula pull-up diaper, many rubber bands of cladding form in the middle of the non-woven fabrics of back waistline more than adopting two slice usually, because absorb the main part and need cover the subregion of preceding waistline and back waistline, if direct adhesion, after the rubber band tightens up, lead to absorbing the pincher trees of main part very easily, make the snugness of fit poor, and because this kind of pincher trees make the slot that pincher trees formed very easily form the guiding gutter again, the urine is followed the slot easily and is run out when leading to lying or lying on one's side, lead to the seepage. The existing method is that the front waistline and the back waistline are broken by the rubber band covering the absorption main body to lose elasticity, and the probability of the crease is greatly reduced due to the loss of the elasticity, so that the crease of the absorption main body is effectively prevented. However, this method has the disadvantage that the physical breaking, i.e. perforation, is used to break the nonwoven, which often has a large number of holes, although not large, and thus has a bad effect on the appearance. In addition, break behind the rubber band, can make waistline shaping subregion elastic contraction power great, and produce great pincher trees, subregion elastic contraction power is less, does not basically produce pincher trees, can make the pattern can the shaping comparatively anomalous state like this, also causes great bad influence to the presentation of product outward appearance.

Disclosure of Invention

Therefore, aiming at the problems, the invention provides anti-frail pull-up pants, which solve the technical problems of perforation, irregular crease and poor appearance presentation caused by the fact that the waistline of the three-piece pull-up pants needs to be broken by rubber bands. Correspondingly, a manufacturing process of the anti-frail pull-up pants is also provided, and the same technical problems are solved.

In order to achieve the purpose, the invention adopts the following technical scheme: an anti-frail pull-up pants, comprising a front waistline, a back waistline, an absorption body arranged between the front waistline and the back waistline, the back waistline comprises a substrate layer, the upper end of the substrate layer extends out of the absorption main body to form an extension part, the extending part is provided with a plurality of rubber bands along the width direction, the left end and the right end of the absorption main body on the substrate layer are respectively provided with an elastic sheet material, the elastic sheet materials extend and cover on the two sides of the absorption main body, and is adhered with the absorption body, the part of the elastic sheet covering the absorption body realizes the loss of elasticity in a point-breaking mode, the spot-broken part forms a spot-broken area, one side of the elastic sheet material, which is far away from the absorption main body, is bonded with the base material layer, the front waistline and the back waistline have the same structure, and the front waistline is arranged opposite to the back waistline, and the two ends of the front waistline and the two ends of the back waistline in the width direction are respectively bonded.

Furthermore, the extension part comprises a vacant area and a layout area, the rubber band is arranged on the layout area, the layout area covers the vacant area in a turnover mode, the layout area and the vacant area are bonded with each other, the length of the layout area is larger than that of the vacant area, and after bending, the layout area covers the vacant area and extends to cover the partial area of the absorption main body and the elastic sheet.

Furthermore, bonding points for bonding are formed between the vacant areas and the arrangement areas in a spaced point bonding mode.

Furthermore, each bonding point and the rubber band are arranged in a staggered mode.

Furthermore, the periphery of the part of the elastic sheet covering the base material layer is bonded with the base material layer.

A manufacturing process of anti-frail pull-up pants based on the same invention concept comprises the following steps:

inputting two spaced continuous base material layers, applying an absorption main body on the two spaced continuous base material layers at intervals, and extending one end of each continuous base material layer beyond the absorption main body to form an extension part;

secondly, more than two continuous rubber bands are applied at intervals in the arrangement area of the extension part;

thirdly, inputting the elastic sheet, cutting the elastic sheet, realizing elastic loss at two ends of the single elastic sheet in a point-breaking mode, forming a point-breaking area in the point-breaking area, coating glue on the periphery of the single elastic sheet, adsorbing and compounding the glue on the substrate layer between the two adjacent absorption bodies, and respectively covering the two point-breaking areas on the two absorption bodies;

fourthly, folding the layout region of the extension part to cover the vacant region and enabling the layout region to cover the absorption main body and the elastic sheet material region of the part;

fifthly, folding the absorption main body to enable the two continuous substrate layers to cover each other;

sixthly, carrying out hot pressing and cutting to enable the continuous substrate layer to be cut off and form a state that the front waist region is bonded with the rear waist region;

and seventhly, outputting.

Further, in the fourth step, the layout area is folded and covered on the vacant area by a folding plate, the folding plate is provided with an inclined guide surface, a vacant area pressing surface and an absorption main body pressing surface, the vacant area pressing surface and the absorption main body pressing surface are arranged in parallel along the width direction and are connected and transited through an arc surface, the vacant area pressing surface and the absorption main body pressing surface are respectively connected with the inclined guide surface, the vacant area pressing surface is provided with more than two pressing convex strips along the length direction, the pressing convex strips are arranged at intervals and in parallel along the width direction and are used for pressing an area between adjacent rubber bands, a plurality of elastic pressing devices are arranged on the absorption main body pressing surface, the elastic pressing devices are sequentially arranged in a linear shape along the length direction and comprise a shell, and the lower end surface of the shell is flush with the absorption main body pressing surface, the lower end face of the shell is upwards provided with a mounting hole, a spring is arranged in the mounting hole, the lower end of the spring is connected with a self-lubricating engineering plastic block, a compression ball body is arranged at the lower end of the self-lubricating engineering plastic block in the mounting hole, the lower end of the compression ball body extends out of the mounting hole, and the extending area is 1/3-1/4 of the area of the compression ball body.

Further, it is equipped with a plurality of joint mouths to lie in the regional department that absorbs the main part and compress tightly the face place on the side of folded sheet, is equipped with the joint recess on the both sides of each joint mouth, be equipped with the joint arch that corresponds the joint with the joint recess on the both sides of casing, the top that lies in the joint mouth on the side of folded sheet is equipped with the installation breach, upwards extend on the casing and be equipped with the mounting panel that is used for the card to arrange the installation breach in, the mounting panel passes through the mode locking of bolt locking and locks in the installation breach.

Furthermore, the lower end surface of the self-lubricating engineering plastic block is in a concave spherical surface shape, and the diameter of the spherical surface is larger than that of the compression sphere.

By adopting the technical scheme, the invention has the beneficial effects that:

1. this scheme passes through the setting of extension, lays the rubber band on the extension to form the waistline on the upper portion of a small size, and the waistline of lower part then forms in the setting of elastic sheet, and the formation of preceding waistline or back waistline has been realized in the cooperation of two waistlines, after setting up like this, the waistline of whole pull-up pants does not seem any perforation externally, also presents less pincher trees, makes the pattern can express the presentation better, the popularization that is more favorable to market. In addition, the arrangement is less prone to generate large-area tightening marks compared with the existing pull-up pants.

2. Through the setting in vacant district, the district of laying, can be so that the lateral surface of pull-up diaper receives the influence of rubber band and falls to minimum, can guarantee elasticity performance basically moreover, guarantees to pull-up the trousers waist and encloses and realize better wearing shrink. Effectively reducing wrinkles. And because the layout area is folded and covered on the vacant area, the layout area covers the vacant area and extends to cover the partial area of the absorption main body and the elastic sheet, so that a blocking cover can be formed, the contact between the skin and the end part of the absorption body can be prevented, the skin can be prevented from being infected by the leakage substance, the effective separation of the leakage substance can also be realized, and a small piece of liquid-tight material such as a PVC film can be pasted at the part during the actual production, namely, a liquid-tight material layer is arranged at the end part of the absorption main body in the layout area, and the liquid-tight material layer is positioned between the absorption main body and the layout area.

3. The purpose of interval point bonding is to reduce the influence of rubber band to vacant area for the outward appearance of pull-up diaper presents the effect of pattern better. Each bonding point forms a plurality of transverse rows, and the adjacent transverse rows form an effective channel, so that the rubber band can stretch in the channel.

4. The elastic sheet is only bonded with the substrate layer along the peripheral part, which is more beneficial to preventing wrinkles.

5. The invention relates to a manufacturing process of anti-frail pull-up pants based on the same invention concept, wherein the layout of elastic sheets is different from the existing mode, one elastic sheet is used for two pull-up pants, and then the molding is realized through hot pressing and cutting. The simplicity and the high efficiency of the process are realized.

6. Utilize the setting of folded sheet, can effectively realize the folding to laying the district, and utilize after folding to compress tightly the effective suppression that the sand grip can realize the bonding point, and can not suppress the rubber band, can effectively prevent like this that the not glue on the rubber band from carrying out the bonding with vacant district. And because the layout area also covers a part of area of the absorption main body and the elastic sheet, the flattening of the part of area forms a difficulty because the difference between the height and the height is large, and the part of area has certain flexibility, so that the effective flattening is inconvenient and difficult to realize. The elastic pressing device of the device can effectively realize effective flattening of the area, and due to the problem of service life, the elastic pressing device forms an independent part, so that the device can be effectively convenient to replace. The elastic pressing device realizes the functions of pressing, stretching and jacking through the shell, the spring, the self-lubricating engineering plastic block and the pressing ball body.

7. The arrangement of the clamping interface, the clamping groove, the clamping protrusion, the mounting notch and the mounting plate can effectively realize clamping and mounting, and is convenient to maintain and replace.

8. The lower extreme of self-lubricating engineering plastic piece personally submits the sphere form of indent, and the diameter of its sphere is greater than the diameter that compresses tightly the spheroid, sets up like this and effectively realizes self-lubricating and rotates, effectively realizes rolling the support.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a folded sheet;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic diagram of the structure of the right view state of FIG. 2;

fig. 5 is a structural diagram of a card interface of a folding plate.

Detailed Description

The invention will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1, the embodiment provides an anti-frail pull-up pants, including a front waistline 1, a back waistline 2, and an absorption body 3 disposed between the front waistline 1 and the back waistline 2, the back waistline 2 includes a substrate layer 21, an upper end of the substrate layer 21 extends beyond the absorption body 3 to form an extension portion 22, the extension portion 22 is provided with a plurality of rubber bands 23 along a width direction, elastic sheets 24 are respectively disposed at left and right ends of the absorption body 3 on the substrate layer 21, the elastic sheets 24 extend to cover both sides of the absorption body 3 and are bonded with the absorption body 3, a part of the elastic sheet 24 covering the absorption body 3 is subjected to elastic loss in a point-break manner, and the point-break portion forms a point-break area 241, one side of the elastic sheet 24 far away from the absorption body 3 is bonded with the substrate layer 21, the front waistline 1 and the back waistline 2 have the, the front waistline 1 is arranged opposite to the back waistline 2, and the two ends of the front waistline 1 in the width direction of the back waistline 2 are respectively bonded.

The extension part 22 comprises a vacant region 221 and a layout region 222, the rubber band 23 is arranged on the layout region 222, the layout region 222 covers the vacant region 221 in a turnover mode, the layout region 222 and the vacant region 221 are bonded with each other, the length of the layout region 222 is larger than that of the vacant region 221, and after bending, the layout region 222 covers the vacant region 221 and the layout region 222 extends to cover a part of the area of the absorption main body 3 and the elastic sheet 24. The vacant region 221 and the arrangement region 222 are formed with a bonding point 223 therebetween by means of space point bonding. Each bond 223 is offset from the elastic 23. The elastic sheet 24 is bonded to the base material layer 21 at the periphery of the portion covering the base material layer 21. In fig. 1, a dashed line 224 is a boundary between the dummy region 221 and the layout region 222, which is also a bending line.

The rear waist 2 of fig. 1 is unfolded and the front waist 1 is packaged, and in order to show the specific structure better, an elastic sheet 24 is also missing on the left side of the rear waist 2. In addition, the actual product should be in a state that both sides of the front waistline 1 and the back waistline 2 are bonded, since the pull-up diaper product is well known, such as chinese patent No.: CN202010022624.9, which will not be further explained herein.

The elastic sheet material can be elastic non-woven fabric, and also can be other elastic sheet materials, such as two layers of non-woven fabric, and an elastic band is clamped between the two layers of non-woven fabric. The above-mentioned substrate layer can be selected according to actual needs, such as non-woven fabric, etc. in terms of material, size and style. The quantity of above-mentioned elasticity rubber band need not set up too much, sets up 3 in this scheme, and it is the preferred state, can effectively prevent reining in, and this rubber band is not as main tight position of reining in, and it is only as the protection position.

The manufacturing process of the anti-frail pull-up pants comprises the following steps:

and seventhly, outputting.

Referring to fig. 2-5 again, in the fourth step, the layout area is folded and covered on the vacant area by using the folding plate 4, the folding plate 4 is provided with an inclined guide surface 41, a vacant area pressing surface 42 and an absorption main body pressing surface 43, the vacant area pressing surface 42 and the absorption main body pressing surface 43 are arranged in parallel along the width direction and are connected and transited through an arc surface 44, the vacant area pressing surface 42 and the absorption main body pressing surface 43 are respectively connected with the inclined guide surface 41, the vacant area pressing surface 42 is provided with more than two pressing convex strips 421 along the length direction, the pressing convex strips are arc-shaped, four rubber bands are arranged in the scheme, and the four pressing convex strips are arranged corresponding to the rubber bands, that is, four pressing convex strips are arranged corresponding to three bands. The pressing protrusions 421 are arranged in parallel at intervals in the width direction, each pressing protrusion 421 is used for pressing the area between the adjacent rubber bands, the absorption body pressing surface 423 is provided with a plurality of elastic pressing devices 5, the elastic pressing devices 5 are arranged in a linear shape in sequence along the length direction, the elastic pressing device 5 comprises a shell 51, the lower end surface of the shell 51 is flush with the absorption body pressing surface 423, a mounting hole 52 is upward arranged on the lower end surface of the shell 51, a spring 53 is arranged in the mounting hole 52, the lower end of the spring 53 is connected with a self-lubricating engineering plastic block 54, a compression ball 55 is arranged in the mounting hole 52 and at the lower end of the self-lubricating engineering plastic block 54, the lower end of the pressing ball 55 extends out of the mounting hole 52, the extending area is 1/3-1/4 of the area of the pressing ball, and the pressing ball 55 is a steel ball and cannot be separated from the mounting hole 52.

Lie in on the side of folded sheet 4 and absorb the main part and compress tightly face 43 place region department and be equipped with a plurality of joint interfaces 44, be equipped with joint recess 441 on the both sides of each joint interface 44, be equipped with the joint arch 511 that corresponds the joint with the joint recess on the both sides of casing 51, the top that lies in joint interface 44 on the side of folded sheet 4 is equipped with installation breach 45, upwards extend on the casing 51 and be equipped with the mounting panel 56 that is used for the card to arrange installation breach 45 in, mounting panel 56 is locked in installation breach 45 through the mode of bolt locking.

The lower end surface of the self-lubricating engineering plastic block 54 is in a concave spherical surface shape, and the diameter of the spherical surface is larger than that of the compression ball 55.

The arrangement of the elastic sheets is different from the existing mode, one elastic sheet is used for two pull-up pants, and then the molding is realized through hot pressing and cutting. The simplicity and the high efficiency of the process are realized.

Utilize the setting of folded sheet, can effectively realize the folding to laying the district, and utilize after folding to compress tightly the effective suppression that the sand grip can realize the bonding point, and can not suppress the rubber band, can effectively prevent like this that the not glue on the rubber band from carrying out the bonding with vacant district. And because the layout area also covers a part of area of the absorption main body and the elastic sheet, the flattening of the part of area forms a difficulty because the difference between the height and the height is large, and the part of area has certain flexibility, so that the effective flattening is inconvenient and difficult to realize. The elastic pressing device of the device can effectively realize effective flattening of the area, and due to the problem of service life, the elastic pressing device forms an independent part, so that the device can be effectively convenient to replace. The elastic pressing device realizes the functions of pressing, stretching and jacking through the shell, the spring, the self-lubricating engineering plastic block and the pressing ball body.

The arrangement of the clamping interface, the clamping groove, the clamping protrusion, the mounting notch and the mounting plate can effectively realize clamping and mounting, and is convenient to maintain and replace.

The lower extreme of self-lubricating engineering plastic piece personally submits the sphere form of indent, and the diameter of its sphere is greater than the diameter that compresses tightly the spheroid, sets up like this and effectively realizes self-lubricating and rotates, effectively realizes rolling the support.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an anti-frail pull-up diaper, includes preceding waistline, back waistline, locates the absorption main part between preceding waistline and the back waistline, its characterized in that: the back waistline includes the substrate layer, the upper end of substrate layer extends and surpasss absorption main part and forms the extension, the extension is provided with the plural number rubber band along width direction, both ends are provided with elastic sheet respectively about lieing in the absorption main part on the substrate layer, elastic sheet extends to cover on the both sides of absorption main part, and realizes the bonding with the absorption main part, elastic sheet covers the position of absorption main part and adopts the disconnected mode of point to realize elastic loss, and the disconnected position of point forms the disconnected district of point, elastic sheet keeps away from one side of absorption main part and bonds with the substrate layer, preceding waistline and substrate layer bond, preceding waistline and absorption main part

The structure of the back waistline is the same, the front waistline is arranged relative to the back waistline, and the two ends of the front waistline and the two ends of the back waistline in the width direction are respectively bonded.

2. The pull-up pant of claim 1, wherein: the extension part comprises a vacant area and a layout area, the rubber band is arranged on the layout area, the layout area covers the vacant area in a turnover mode, the layout area and the vacant area are bonded with each other, the length of the layout area is larger than that of the vacant area, and after the extension part is bent, the layout area covers the vacant area and extends to cover the partial area of the absorption main body and the elastic sheet.

3. The pull-up pant of claim 2, wherein: and bonding points for bonding are formed between the vacant areas and the arrangement area in a spaced point bonding mode.

4. The pull-up pant of claim 3, wherein: the bonding points and the rubber band are arranged in a staggered manner.

5. The pull-up pant of claim 1, wherein: the elastic sheet is covered on the periphery of the position of the base material layer and is bonded with the base material layer.

6. A process for making anti-frail pull-ups pants according to any of claims 1 to 5 comprising the steps of:

and seventhly, outputting.

7. The process for making anti-frail pull-ups of claim 6 wherein: in the fourth step, the layout area is folded and covered on the vacant area by a folding plate, the folding plate is provided with an inclined guide surface, a vacant area pressing surface and an absorption main body pressing surface, the vacant area pressing surface and the absorption main body pressing surface are arranged in parallel along the width direction and are connected and transited through an arc surface, the vacant area pressing surface and the absorption main body pressing surface are respectively connected with the inclined guide surface, the vacant area pressing surface is provided with more than two pressing convex strips along the length direction, the pressing convex strips are arranged at intervals and in parallel along the width direction and are used for pressing the area between the adjacent rubber bands, the absorption main body pressing surface is provided with a plurality of elastic pressing devices, the elastic pressing devices are sequentially arranged in a linear shape along the length direction, each elastic pressing device comprises a shell, the lower end surface of the shell is flush with the absorption main body pressing surface, and the lower end surface of the shell is upwards provided with a mounting hole, the spring is arranged in the mounting hole, the lower end of the spring is connected with a self-lubricating engineering plastic block, a compression ball body is arranged at the lower end of the self-lubricating engineering plastic block in the mounting hole, the lower end of the compression ball body extends out of the mounting hole, and the extending area is 1/3-1/4 of the area of the compression ball body.

8. The process of making an anti-frail pull-up pant of claim 7, wherein: the utility model discloses a clamping device for the folding plate, including the casing, the casing is equipped with the installation breach, lie in on the side of folding plate and absorb the main part and compress tightly the regional department in face place and be equipped with a plurality of joint mouths, be equipped with the joint recess on the both sides of each joint mouth, be equipped with the joint arch that corresponds the joint with the joint recess on the both sides of casing, the top that lies in the joint mouth on the side of folding plate is equipped with the installation breach, upwards extend on the casing and be equipped with the mounting panel that is used for the card to arrange the.

9. The process of making an anti-frail pull-up pant of claim 7, wherein: the lower end surface of the self-lubricating engineering plastic block is in a concave spherical surface shape, and the diameter of the spherical surface is larger than that of the compression ball body.