JPS60151301A - Production of disposable diaper - Google Patents
Production of disposable diaperInfo
- Publication number
- JPS60151301A JPS60151301A JP59003878A JP387884A JPS60151301A JP S60151301 A JPS60151301 A JP S60151301A JP 59003878 A JP59003878 A JP 59003878A JP 387884 A JP387884 A JP 387884A JP S60151301 A JPS60151301 A JP S60151301A
- Authority
- JP
- Japan
- Prior art keywords
- water
- sheet
- sealing sheet
- adhesive
- elastic body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明は使い捨ておしめの新規な製造方法に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a novel method for manufacturing disposable diapers.
使い捨ておしめ（以下単におしめということがある）は
所謂布製おしめに比べて衛生的であシしかも使い易いと
いう理由から利用者が急激に増加している。第１図はこ
の様な使い捨ておしめの構成を、製造手順の要点と共に
示す斜視図で、白抜き矢印方向に沿って帯状に連続して
製造されるおしめの内１着分のおしめを切断線Ｘ ＸＫ
Ｇつて切シ取って、一部を破断してその内部構造を示し
ている。即ちおしめ１は透水性シート−（不織布等）２
と封水性シート（プラスチックフィルム等）３を、その
中間に平面視が鼓形で且つ上記両シート２．３よりは小
面積のシート状吸水体４を挾む様にして重ね合わせたも
のであり、透水性シート２及び封水性シート３の周縁部
をポットメルト等によって接着している。又鼓形吸水体
４の狭幅部分に対応する封水性シート３０両縁に伸張状
態の弾性体１０．１０を貼着するのが一般的である。こ
の様な使い捨ておしめ１を使用するに際しては透水性シ
ート２側を内面（乳児等の股部に接する）側とし、狭幅
部Ｎを乳児等の股部に当接させると共に、広幅部分Ｗ、
Ｗを腹部及び背部に添わぜる様に折り曲げ、更におしめ
１の隅角部５と隅角部５ａを、又隅角部６と隅角部６ａ
を粘着テープ等によって夫々連結して装着する。The number of users of disposable diapers (hereinafter simply referred to as diapers) is rapidly increasing because they are more hygienic and easier to use than so-called cloth diapers. Fig. 1 is a perspective view showing the structure of such a disposable diaper along with the key points of the manufacturing procedure. XK
It has been cut away to show its internal structure. That is, the diaper 1 is a water-permeable sheet (non-woven fabric, etc.) 2
and a water-sealing sheet (plastic film, etc.) 3, sandwiched between them is a sheet-like water absorbent material 4 which is drum-shaped in plan view and has a smaller area than both sheets 2.3. , the peripheral edges of the water-permeable sheet 2 and the water-sealing sheet 3 are adhered by pot melting or the like. Further, it is common to attach stretched elastic bodies 10, 10 to both edges of the water-sealing sheet 30 corresponding to the narrow width portion of the hourglass-shaped water absorbent body 4. When using such a disposable diaper 1, the water-permeable sheet 2 side is the inner surface (contacting the crotch of an infant, etc.), the narrow part N is brought into contact with the crotch of an infant, etc., and the wide part W,
Fold the W so that it fits along the abdomen and back, and then fold the corners 5 and 5a of the diaper 1, and the corners 6 and 6a of the diaper 1.
are attached by connecting them with adhesive tape or the like.
本発明は上記使い捨ておしめの新規な製造方法を提供し
ようとするもので、接着剤が両縁に清って長手方向へ非
連続的に塗布された帯状封水性シートの該接着剤塗布面
に、テンションの与えられた帯状弾性体を該封水性シー
トの長手方向に沿って添着する工程、添着された該帯状
弾性体を非接着位置で一定長さ毎に切断する工程、前記
封水性シートの帯状弾性体添着面と帯状透水性シートの
接着剤塗布面とを、その間に挾み込まれた吸水体の両面
側へ夫々貼シ合わせる工程、貼シ合わされた封水性シー
トと透水性シートを幅方向に切断する工程を含むことを
要旨とするものである。The present invention aims to provide a novel manufacturing method for the above-mentioned disposable diaper, in which adhesive is applied to both edges of a strip-shaped water-sealing sheet discontinuously in the longitudinal direction, on the adhesive-applied surface. A step of attaching a tensioned band-shaped elastic body along the longitudinal direction of the water-sealing sheet, a step of cutting the attached band-shaped elastic body at a non-adhesive position into pieces of a certain length, and a step of cutting the band-shaped elastic body of the water-sealing sheet to a certain length. The process of laminating the elastic body-applied surface and the adhesive-applied side of the band-shaped water-permeable sheet to both sides of the water-absorbing body sandwiched between them, and pasting the laminated water-sealing sheet and water-permeable sheet together in the width direction. The gist of the method is to include a step of cutting into pieces.
以下本発明の製造方法を実施例図面に基づいて説明する
が、図は本発明の製造手順における一具体例であって、
前・後記の趣旨に沿って弾性体添着機構、弾性体の添着
間隔、弾性体の切断機＄ｌ￥等の設計を変更したものは
全て本発明に含まれる。The manufacturing method of the present invention will be explained below based on the drawings, which are one specific example of the manufacturing procedure of the present invention,
The present invention includes all modifications in the design of the elastic body attaching mechanism, elastic body attaching interval, elastic body cutting machine, etc. in accordance with the spirit described above and below.
第２図は本発明の製造方法を説明する概略説明図で吸水
体４の上面に透水性シート２を供給すると共に、該吸水
体４の下面に封水性シート３を供給する様にｊｉｌｔ成
した点は従来技術と変らない。即ち透水性シート２はシ
ート巻付ロール８から繰出され、ターニングローラ１９
を経て吸水体４の上面へ接着されるが、これに先立って
透水性シート２の圧接側適所にはノズル１６（図では１
つしか現われていないが、ノズル１６の裏側にもう１つ
配置するか、或は幅方向全域にわたって複数個配置した
ものであってもよい）から連続又は不連続に噴出された
ホットメルト型接着剤が塗布されている。尚ホットメル
ト型接着剤２２の塗布位置や塗布面積等は特に限定され
ないが、第１図に示した例では透水性シート２の両級に
溢って長手方向へ２列に、且つ断続的に塗布している。FIG. 2 is a schematic explanatory diagram illustrating the manufacturing method of the present invention, in which a jilt structure is constructed in which a water-permeable sheet 2 is supplied to the upper surface of the water-absorbing body 4, and a water-sealing sheet 3 is supplied to the lower surface of the water-absorbing body 4. This is no different from the conventional technology. That is, the water-permeable sheet 2 is fed out from the sheet winding roll 8, and then passed through the turning roller 19.
The water absorbent body 4 is bonded to the upper surface of the water absorbent body 4 through the process, but prior to this, a nozzle 16 (1
Hot-melt adhesive sprayed continuously or discontinuously from the nozzle 16 (although only one nozzle is shown, one may be placed on the back side of the nozzle 16, or multiple pieces may be placed over the entire width direction) is coated. The application position and application area of the hot melt adhesive 22 are not particularly limited, but in the example shown in FIG. It is being applied.
そしてターニングローラ１９で方向転換した透水性シー
ト２は矢印Ａ方向から移送されてくる吸水体４の上面に
貼着される。他方シート巻付ロール９から送シ出される
封水性シート３は２つの帯状弾性体巻伺ロール１１．１
１から繰出される帯状弾性体１０゜１０と共に吸水体４
の下面側へ添装されるが、この時帯状弾性体１０．１０
は第１図に示した様に封水性シート３の上面側に沿って
２列縦隊で導入貼着される。即ち帯状弾性体１０．１０
は第３図及び第４図の部分拡大図に示す如く、ノズル１
５（ノズル１６と同様に裏側にもう１つ配置している）
から噴出され且つ透水性シート３の両縁に清って２列縦
隊でスポット的に塗布されるポットメルト型接着剤１８
．１８を介して封水性シート３′ に貼着される。尚貼
シ１７に当たっては貼着部を圧着ローラ１２，１２の圧
接力によって両側から押圧着するので、強固な貼着状態
が得られる。この様なポットメルト型接着剤の塗布位置
は例えば第１図に示す如く帯状’１ｌｌＩ性体１ｏの両
端近傍〔隅角部訃・・に近い側（イ）、（ロ）の画点〕
だけであってもよく、或は（イ）、（ロ）間の全長に亘
たって接着剤を塗布してもよい。尚両端近傍ケ）、（ロ
）の画点にだけ接着剤を塗布する場合について説明する
と次の通シである。Then, the water-permeable sheet 2 whose direction has been changed by the turning roller 19 is adhered to the upper surface of the water absorbent body 4 that is being transported from the direction of arrow A. On the other hand, the water-sealing sheet 3 fed from the sheet winding roll 9 is wrapped around two band-shaped elastic body winding rolls 11.1.
Water absorbent body 4 together with belt-shaped elastic body 10° 10 drawn out from 1
At this time, the band-shaped elastic body 10.10
are introduced and pasted in two columns along the upper surface side of the water-sealing sheet 3 as shown in FIG. That is, the band-shaped elastic body 10.10
As shown in the partially enlarged views of FIGS. 3 and 4, the nozzle 1
5 (Similar to nozzle 16, another one is placed on the back side)
A pot-melt adhesive 18 is sprayed from the water-permeable sheet 3 and spot-coated in two rows on both edges of the water-permeable sheet 3.
．． It is attached to the water-sealing sheet 3' via 18. In addition, when applying the sticker 17, the adhesive portion is pressed from both sides by the pressing force of the pressure rollers 12, 12, so that a strong adhesive state can be obtained. The application position of such a pot-melt type adhesive is, for example, near both ends of the strip-shaped '1llI' material 1o [the image points on the sides (a) and (b) near the corner ends, as shown in Fig. 1].
Alternatively, the adhesive may be applied over the entire length between (a) and (b). The case where the adhesive is applied only to the pixel points near both ends ① and ② will be explained as follows.
即ち上記の如く長尺帯状シート２，３を連続的に供給し
て製造される連続おしめを最終工程で幅方向（Ｘ−Ｘ線
：第１図）に切断する位置が第３図に示したｘ’−ｘ’
線位置であると想定したとき、先行側おしめ１ａの０）
点（進行方向にみて後端）となる場所がノズル１５の位
置にきたときに接着剤を噴き付けた後、噴伺けを一旦休
止し、その間封水性シート３が空走性して後続側おしめ
１の（ロ）点（進行方向にみて先端）に対応する場所が
ノズル１５の位置にきたときにノズル１５から再び接着
剤１５を噴出する。That is, the position at which the continuous diaper manufactured by continuously feeding the long strip sheets 2 and 3 as described above is cut in the width direction (X-X line: FIG. 1) in the final process is shown in FIG. x'-x'
Assuming that the line position is 0) of the leading diaper 1a
After spraying the adhesive when the point (rear end in the direction of travel) comes to the position of the nozzle 15, the spraying process is temporarily stopped, and during this time the water-sealing sheet 3 runs idle and the adhesive is sprayed on the following side. When the position corresponding to the point (B) (the tip as seen in the direction of travel) of the diaper 1 comes to the position of the nozzle 15, the adhesive 15 is again spouted from the nozzle 15.
この様にして封水性シート３に接着剤が塗布された後へ
、帯状弾性体巻付ロール１１．１１から送給される帯状
弾性体１０．１０をテンションローラ２０によって伸張
状態を調整しながら、封水性シート３の接着剤塗布面側
に押圧する。帯状弾性体１０としてはゴムひもが好適で
、伸張状態で貼着された帯状弾性体１０は第４図に示す
様に圧着ローラ１２，１２の間に案内され、封水性シー
ト３と共にターニングローラ１４．１４ａ側へ送給され
、これらの工程を通じて封水性シート３への貼着が完了
される。従って貼着された帯状弾性体１０は伸張状態が
維持されたままで封水性シード３に貼着されるが、こう
して貼着された帯状弾性体１０はターニングローラ１４
．１４ａに至るまでの間に第３図で説明したｘ’−ｘ’
線相当位置でヒートカッター１３により切断される（第
５図）。After the adhesive is applied to the water-sealing sheet 3 in this manner, the elastic band 10.10 fed from the elastic band wrapping roll 11.11 is stretched while adjusting the tension roller 20. Press it against the adhesive coated side of the water sealing sheet 3. A rubber string is suitable as the band-shaped elastic body 10, and the band-shaped elastic body 10 stuck in a stretched state is guided between pressure rollers 12, 12, as shown in FIG. .14a side, and the adhesion to the water-sealing sheet 3 is completed through these steps. Therefore, the stuck elastic band 10 is stuck to the water-sealing seed 3 while being stretched, but the elastic band 10 stuck in this way is attached to the turning roller 14.
．． 14a, x'-x' explained in Fig. 3
It is cut by a heat cutter 13 at a position corresponding to the line (FIG. 5).
トカッター１３による切断は封水性シート３と共に搬送
されてくる弾性体ｌＯだけを切断する必要があるので、
実施例では封水性シート３よりも低い融点の材質で形成
された弾性体１ｏを使用して、ヒートカッターの切断用
加熱温度を低く設定し、切断時の温度によって封水性シ
ート３が切断されない様に構成している。また上記切断
は帯状弾性体１０の表面にわずかな切欠きを形成するだ
けで引き裂く様に切断することができる。従ってヒート
カッター１３による切断工程では帯状弾性体１０のみが
切断でき、封水性シート３まで切断してしまう様なこと
はない。帯状弾性体１ｏが切断されるとこの部分は封水
性シート３に貼着されていないから、切断端側短片１０
ａは前記伸張状態が解放され、元の状態に収縮する。即
ち接着剤１８ ａ。Since the cutter 13 only needs to cut the elastic body 1O that is conveyed together with the water-sealing sheet 3,
In the embodiment, an elastic body 1o made of a material with a melting point lower than that of the water-sealing sheet 3 is used, and the cutting heating temperature of the heat cutter is set low so that the water-sealing sheet 3 is not cut by the cutting temperature. It is composed of Further, the above-mentioned cutting can be performed by simply forming a slight notch on the surface of the band-shaped elastic body 10 so as to tear it. Therefore, in the cutting process using the heat cutter 13, only the band-shaped elastic body 10 can be cut, and there is no possibility that the water-sealing sheet 3 is also cut. When the band-shaped elastic body 1o is cut, this part is not attached to the water-sealing sheet 3, so the short piece 10 on the cut end side
a is released from the stretched state and contracts to its original state. That is, adhesive 18a.
１８ｂの塗布された間Ｄ（第１図）は伸張状態で残るが
、その前後は第１図に示す如く縮んだ状態で極めて短く
なって残る。次いで上記封水性シート３は帯状弾性体１
０が貼着された状態で送給ローラ１４．１４ａによって
吸水体４の下面側に送給される。そして送給ローラ１４
及びターニングローラ１９より下流側の位置で上方から
送給されてくる透水性シート２と下方から送給されてく
る封水性シート３の間に吸水体４を挾み込む様に重ね合
わせた後、おしめ１の両側縁Ｅのホットメルト塗布部分
をサイドシール機（図示せず）で押圧着接合し、しかる
後に前記Ｘ−Ｘ線を含む近傍をロールカッター機１７で
切断する（第６図）。The area D (FIG. 1) where 18b is applied remains in an expanded state, but the area before and after that remains in a contracted state and extremely short as shown in FIG. Next, the water-sealing sheet 3 is attached to the band-shaped elastic body 1.
The water absorbing member 4 is fed to the lower surface side of the water absorbing body 4 by the feeding roller 14.14a in a state in which the 0 is pasted. and feeding roller 14
Then, at a position on the downstream side of the turning roller 19, the water absorbent body 4 is sandwiched between the water-permeable sheet 2 fed from above and the water-sealing sheet 3 fed from below. The hot-melt coated portions of both edges E of the diaper 1 are pressed and bonded using a side sealing machine (not shown), and then the area including the X--X line is cut using a roll cutter 17 (FIG. 6).
この様に本発明では帯状弾性体１ｏを封水性シート３に
貼着した直後に所望寸法に切断するので、従来の様にエ
ンドシール機で透水性シート及び封水性シートと共に帯
状弾性体を一気に切断する方法に比べて、帯状弾性体の
切り残しが全くなく切１所工程での手直し作業は解消さ
れた。また第６図に示す様に１）状弾性体の切断端片１
０ａは収縮を起こして吸水体４の収納位置側へ引き寄せ
られるので、透水性シート２と封水性シート３の圧着接
合部２１内に帯状弾性体がかみ込まなくなシ、切断線が
波状に力らず安定したヒートシール効果が得られ、おし
め１の形崩れは可及的に解消される。In this way, in the present invention, the band-shaped elastic body 1o is cut to the desired size immediately after being attached to the water-sealing sheet 3, so the band-shaped elastic body is cut at once with the water-permeable sheet and the water-sealing sheet using an end sealing machine as in the conventional case. Compared to the method of cutting, there is no uncut portion of the band-shaped elastic body, eliminating the need for rework in the single-cut process. In addition, as shown in Fig. 6, the cut end piece 1 of the shaped elastic body 1)
0a contracts and is drawn toward the storage position of the water absorbent body 4, so that the band-shaped elastic body is not caught in the crimp joint 21 of the water-permeable sheet 2 and the water-sealing sheet 3, and the cutting line becomes wavy. A stable heat-sealing effect is obtained, and the diaper 1 is prevented from losing its shape as much as possible.
本発明は以上の様に（１°ｆ成されているので、以下に
要約する様な効果が得られる。As described above, since the present invention is configured at 1°f, the following effects can be obtained.
■帯状弾性体を前もって所望長さに切断するので、完全
な製品が得られ、歩留シの低下を可及的に防止する。(2) Since the band-shaped elastic body is cut to the desired length in advance, a complete product can be obtained and a decrease in yield rate can be prevented as much as possible.
■最終工程における切断が確実に行なえるので、製品ロ
スが皆無となる。■Cutting in the final process can be done reliably, eliminating any product loss.
■弾性体を前もって切断しておくので、最終工程での切
断がスムースに行なえる。■Since the elastic body is cut in advance, cutting in the final process can be done smoothly.
第１図は使い捨ておしめの構造を説明する一部切除斜視
図、第２図は本発明の製造方法が適用された製造工程を
説明するフローチャート、第３〜６図は第２図の要部拡
大説明図である。
１・・・使い捨ておしめ ２・・・透水性シート３・・
・封水性シート ４・・・吸水体出願人 トーヨー衛材
株式会社Fig. 1 is a partially cutaway perspective view illustrating the structure of a disposable diaper, Fig. 2 is a flowchart illustrating the manufacturing process to which the manufacturing method of the present invention is applied, and Figs. 3 to 6 are enlarged views of the main parts of Fig. 2. It is an explanatory diagram. 1...Disposable diaper 2...Water permeable sheet 3...
・Water sealing sheet 4...Water absorbent applicant Toyo Eiza Co., Ltd.
Claims (1)
る使い捨ておしめの製造方法であって、接シｕ剤が両縁
に沿って長手方向へ非連続的に塗布された帯状封水性シ
ートの該接着剤塗布面に、テンションの与えられた帯状
弾性体を該封水性シートの長手方向に沼って添着する工
程、添２１：ｉされた該帯状弾性体を非接着信１６で一
定長さ毎に切断する工程、前記封水性シートの帯状弾性
体添着面と帯状透水性シートの接着剤塗布面とを、その
間に挾み込まれた吸水体の両面側へそれぞれ貼シ合わせ
る工程、貼り合わされた封水性シートと透水性シートを
幅方向に切断する工程を含むことを特徴とする使い捨て
おしめの製造方法。A method for manufacturing a disposable diaper in which a water absorbent is disposed between a water-permeable sheet and a water-sealing sheet, the diaper having a water-sealing strip in which a wetting agent is discontinuously applied in the longitudinal direction along both edges. A step of attaching a tensioned elastic band to the adhesive-applied surface of the sheet in a longitudinal direction of the water-sealing sheet, Attachment 21: i The elastic band is fixed with a non-adhesive wire 16. a step of cutting the water-sealing sheet into lengths; a step of laminating the elastic band-applied surface of the water-sealing sheet and the adhesive-applied surface of the water-permeable sheet to both sides of the water absorbent sandwiched therebetween; A method for manufacturing a disposable diaper, comprising the step of cutting a water-sealing sheet and a water-permeable sheet that have been bonded together in the width direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59003878A JPS60151301A (en) | 1984-01-12 | 1984-01-12 | Production of disposable diaper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59003878A JPS60151301A (en) | 1984-01-12 | 1984-01-12 | Production of disposable diaper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60151301A true JPS60151301A (en) | 1985-08-09 |
| JPH0433462B2 JPH0433462B2 (en) | 1992-06-03 |
Family
ID=11569438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59003878A Granted JPS60151301A (en) | 1984-01-12 | 1984-01-12 | Production of disposable diaper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60151301A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009195207A (en) * | 2008-02-25 | 2009-09-03 | Kubota Corp | Walking-type husbandry machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5887302A (en) * | 1981-10-13 | 1983-05-25 | ペ−パ−・コンバ−テイング・マシ−ン・カンパニ− | Attachment of elastic ribbon to humidity non-permeable web |
| JPS59204902A (en) * | 1983-05-06 | 1984-11-20 | 大王製紙株式会社 | Intermittent attaching method and apparatus of elastic strand |
-
1984
- 1984-01-12 JP JP59003878A patent/JPS60151301A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5887302A (en) * | 1981-10-13 | 1983-05-25 | ペ−パ−・コンバ−テイング・マシ−ン・カンパニ− | Attachment of elastic ribbon to humidity non-permeable web |
| JPS59204902A (en) * | 1983-05-06 | 1984-11-20 | 大王製紙株式会社 | Intermittent attaching method and apparatus of elastic strand |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009195207A (en) * | 2008-02-25 | 2009-09-03 | Kubota Corp | Walking-type husbandry machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0433462B2 (en) | 1992-06-03 |
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