JPH06198740A - Jointing method of mutual ends of unwoven fabric - Google Patents
Jointing method of mutual ends of unwoven fabricInfo
- Publication number
- JPH06198740A JPH06198740A JP4348707A JP34870792A JPH06198740A JP H06198740 A JPH06198740 A JP H06198740A JP 4348707 A JP4348707 A JP 4348707A JP 34870792 A JP34870792 A JP 34870792A JP H06198740 A JPH06198740 A JP H06198740A
- Authority
- JP
- Japan
- Prior art keywords
- woven fabric
- end portions
- joining
- plate
- mutual ends
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000004744 fabric Substances 0.000 title abstract description 6
- 238000005304 joining Methods 0.000 claims abstract description 14
- 239000004745 nonwoven fabric Substances 0.000 claims description 37
- 239000000835 fiber Substances 0.000 claims description 6
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000012770 industrial material Substances 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 abstract 2
- 230000000052 comparative effect Effects 0.000 description 5
- 230000035699 permeability Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- -1 Polypropylene Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004750 melt-blown nonwoven Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81433—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/729—Textile or other fibrous material made from plastics
- B29C66/7294—Non woven mats, e.g. felt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/0854—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns in the form of a non-woven mat
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、不織布の端部相互の接
合方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for joining end portions of a nonwoven fabric to each other.
【０００２】[0002]
【従来の技術】従来から、不織布が連続多孔性を有する
ことから、アルカリ電池用セパレータやポラロイドフィ
ルムの現像液保持剤等、種々の分野において不織布が使
用されている。これら産業資材用として使用される不織
布は、膨大な量（長さ）を必要とし、また自動によるラ
イン生産等によることから連続供給の必要があるため、
不織布製造業者においては、主に不織布を一定長さ芯に
巻付けてロール状として出荷するようにしている。2. Description of the Related Art Conventionally, since non-woven fabrics have continuous porosity, non-woven fabrics have been used in various fields such as separators for alkaline batteries and developer retaining agents for polaroid films. The non-woven fabric used for these industrial materials requires a huge amount (length), and since it is required to be continuously supplied because of automatic line production,
Non-woven fabric manufacturers mainly wind non-woven fabric around a core of a certain length and ship it in a roll form.
【０００３】また、不織布製造ラインにおいては、連続
して不織布を生産するといえども設備の都合上、ある一
定の長さ以上の不織布を生産することが困難な場合があ
る。このため、不織布の端部相互を両面テープやホット
メルト接着剤、あるいは超音波ウェルダー等によって接
合し、受注に応じた長さに調整しているというのが現状
である。Further, in a non-woven fabric production line, it is sometimes difficult to produce a non-woven fabric having a certain length or longer due to the facility, although the non-woven fabric is continuously produced. Therefore, under the present circumstances, the ends of the non-woven fabric are bonded to each other with a double-sided tape, a hot-melt adhesive, an ultrasonic welder, or the like to adjust the length according to the order.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、端末相
互が両面テープや接着剤で接合された不織布にあって
は、当該接合部分で不織布多孔性が失われることとな
り、この部分が使用できないことから廃棄部分が生じ、
不経済になるといった問題があるとともに、アルカリ電
池用セパレータや現像液保持剤等の製造ラインの自動化
が妨げられるといった重大な問題があった。However, in the case of a non-woven fabric in which terminals are joined to each other with a double-sided tape or an adhesive, the non-woven fabric porosity is lost at the joint portion, and this portion cannot be used, and therefore is discarded. Part arises,
In addition to the problem of being uneconomical, there is a serious problem that automation of the production line for separators for alkaline batteries, developer holding agents, etc. is hindered.
【０００５】また、超音波ウェルダーによる溶融接合方
法においては、接合部分が完全にフィルム状化してしま
い、多孔性が失われるとともに、接合部分における強度
が著しく低下し、両面テープ等による接合と同様の問題
があった。In addition, in the fusion welding method using an ultrasonic welder, the joint portion is completely formed into a film, the porosity is lost, and the strength at the joint portion is significantly reduced. There was a problem.
【０００６】本発明は上記従来技術の問題点を解決する
ためになされたものであり、不織布の端部相互における
接合部分の多孔性および強度を維持することができ、産
業資材分野等の自動製造ラインにおいても連続して好適
に使用することができる、不織布の端部相互の接合方法
を提供することを目的とする。The present invention has been made in order to solve the above-mentioned problems of the prior art, and it is possible to maintain the porosity and strength of the joint portion between the end portions of the non-woven fabric, and to automatically manufacture in the industrial material field and the like. An object of the present invention is to provide a method for joining end portions of a non-woven fabric, which can be continuously and suitably used in a line.
【０００７】[0007]
【課題を解決するための手段】本発明は、熱可塑性繊維
を主体として成る不織布の各端末部分を超音波ウェルダ
ーで以って順次溶融接合する不織布の端部相互の接合方
法であって、前記溶融接合を、ローレット加工により凹
凸部を形成した後各凸部先端部を平坦加工した板状体を
下板として用いることを特徴とする不織布の端部相互の
接合方法である。The present invention provides a method for joining end portions of a non-woven fabric mainly composed of thermoplastic fibers by sequentially melting and joining each end of the non-woven fabric with an ultrasonic welder. In the melt-bonding method, a plate-shaped body obtained by forming ridges and valleys by knurling and then flattening the tips of the protrusions is used as a lower plate.
【０００８】本発明にいう不織布とは、特に限定される
ものでなく、乾式カード不織布、スパンボンド不織布、
メルトブロー不織布等あらゆる不織布が含まれる。The non-woven fabric referred to in the present invention is not particularly limited, and includes dry card non-woven fabric, spun-bonded non-woven fabric,
All non-woven fabrics such as melt-blown non-woven fabrics are included.
【０００９】また本発明は、前記板状体上に占める凸部
先端部の表面積が、５〜５０％であることを特徴とす
る。Further, the present invention is characterized in that the surface area of the tip end portion of the convex portion occupying on the plate-like body is 5 to 50%.
【００１０】接合部分における溶融化面積は、板状体上
の凸部先端部の表面積によって決まるため、凸部先端部
の表面積が５％に満たない場合には、接合部分における
強度が不足し、また５０％を超えた場合には不織布の多
孔性が失われるため、好ましくない。Since the melted area at the joint is determined by the surface area of the tip of the convex portion on the plate-like body, if the surface area of the tip of the convex portion is less than 5%, the strength at the joint is insufficient, Further, when it exceeds 50%, the porosity of the nonwoven fabric is lost, which is not preferable.
【００１１】[0011]
【作用】本発明に従えば、超音波ウェルダーによる端部
相互の溶融接合時に、接合部分は、下板として用いる板
状体の凸部分においてのみ溶融化する。すなわち、接合
部分における溶融化面積は、凸部先端部の表面積によっ
て決まるため、板状体に対して、凸部先端部の占める表
面積を５〜５０％となるように加工しておくことによっ
て、多孔性かつ強度に優れた接合部分を有する不織布を
容易に得ることができる。According to the present invention, at the time of melting and joining the end portions with each other by the ultrasonic welder, the joining portion is melted only at the convex portion of the plate-like body used as the lower plate. That is, since the melted area in the joint portion is determined by the surface area of the tip of the convex portion, by processing the plate-shaped body so that the surface area occupied by the tip of the convex portion is 5 to 50%, It is possible to easily obtain a non-woven fabric having a joint portion that is porous and has excellent strength.
【００１２】[0012]
【実施例】本発明の実施例を以下詳細に説明する。EXAMPLES Examples of the present invention will be described in detail below.
【００１３】（実施例１）１．５ｄ×５１ｍｍのポリプ
ロピレン繊維と、０．９ｄ×３８ｍｍの芯鞘型熱融着繊
維（大和紡製、ＮＢＦ（Ｈ））とを、混合比５：５で混
合開繊し、カード、クロスラッパー等の公知のウェブ形
成機でクリスクロスウェブとした。このウェブを、１４
０℃に加熱した一対の熱ロール間を通過させてウェブの
繊維交点を加熱接着し、不織布を形成した。Example 1 Polypropylene fiber of 1.5 d × 51 mm and core-sheath type heat-sealing fiber of 0.9 d × 38 mm (manufactured by Daiwabo Co., Ltd., NBF (H)) were mixed at a ratio of 5: 5. The fibers were mixed and opened, and a criss cross web was formed using a known web forming machine such as a card or a cross wrapper. This web, 14
The fiber crossing points of the web were heat-bonded by passing between a pair of hot rolls heated to 0 ° C. to form a nonwoven fabric.
【００１４】上記不織布を、巾４０ｍｍにスリットした
後、長さ２００ｍｍに切断し、テストサンプル１，２と
した。次に、図１に示すように、１ｍｍ格子にローレッ
ト加工した後各凸部４の先端部を平坦加工した下板３上
にテストサンプルの端部相互を図２に示すように、重ね
合わせて載置した。The above nonwoven fabric was slit into a width of 40 mm and then cut into a length of 200 mm to obtain test samples 1 and 2. Next, as shown in FIG. 1, the end portions of the test sample were superposed on each other as shown in FIG. 2 on the lower plate 3 which was knurled into a 1 mm lattice and then the tip of each convex portion 4 was flattened. Placed.
【００１５】次に、先端部の形状が巾１ｍｍの平板であ
るホーン５を取付けた超音波ウェルダー（精電舎製、Ｓ
ＯＮＯＰＥＴ １５０Ｂ）を使用し、振動数２８５００
回／ｓｅｃにて上記端末部分を図３に示す如く接合し
た。Next, an ultrasonic welder (manufactured by Seidensha Co., Ltd., S
ONOPET 150B), vibration frequency 28500
The above-mentioned terminal portions were joined as shown in FIG.
【００１６】（実施例２）実施例１と同一サンプルを先
端部の形状が巾３ｍｍの平板であるホーンを取付けた超
音波ウェルダーを用いた以外は、実施例１と同一方法で
接合した。(Example 2) The same samples as in Example 1 were joined in the same manner as in Example 1 except that an ultrasonic welder equipped with a horn having a tip having a flat plate with a width of 3 mm was used.
【００１７】（実施例３）実施例１と同一サンプルを、
０．５ｍｍ格子にローレット加工した、各凸部先端部の
表面積が０．０１ｍｍ2 となるように平坦化した下板を
用いた以外は、実施例１と同一方法で接合した。(Embodiment 3) The same sample as in Embodiment 1 is
Bonding was performed in the same manner as in Example 1 except that a lower plate knurled into a 0.5 mm grid and flattened so that the surface area of the tip of each convex portion was 0.01 mm 2 .
【００１８】（実施例４）実施例１と同一サンプルを、
実施例２で用いた超音波ウェルダーと実施例３で用いた
下板とを用い、実施例１と同一方法で接合した。(Example 4) The same sample as in Example 1 was used.
Using the ultrasonic welder used in Example 2 and the lower plate used in Example 3, they were joined in the same manner as in Example 1.
【００１９】（比較例１）実施例１と同一サンプルを、
実施例１で用いた超音波ウェルダーと表面が平滑な鈑板
でなる下板とを用い、実施例１と同一方法で接合した。(Comparative Example 1) The same sample as in Example 1 was used.
Using the ultrasonic welder used in Example 1 and the lower plate made of a sheet metal having a smooth surface, they were joined in the same manner as in Example 1.
【００２０】（比較例２）実施例１と同一サンプルを、
実施例２で用いた超音波ウェルダーと表面が平滑な鉄板
でなる下板とを用い、実施例１と同一方法で接合した。Comparative Example 2 The same sample as in Example 1 was used.
Using the ultrasonic welder used in Example 2 and the lower plate made of an iron plate having a smooth surface, they were joined in the same manner as in Example 1.
【００２１】（比較例３）実施例１と同一サンプルを、
インパルスヒートシール装置（ニッサンキコー製４０５
０型）を用い、予熱１、インパルス２５、０．８ｓｅｃ
にて溶融接合した。(Comparative Example 3) The same sample as in Example 1 was used.
Impulse heat sealer (405 made by Nissan Kiko
0 type), preheat 1, impulse 25, 0.8sec
Were melt-bonded together.
【００２２】実施例１〜４、比較例１〜３で接合したテ
ストサンプルを、引張強度試験機を用い、チャク間隔５
０ｍｍ、引張スピード１００ｍ／ｍｉｎの条件で引張強
力試験を行なった。このときの結果を表１に示す。但
し、表中ｂｌａｎｋは、実施例１で作成したテストサン
プルの接合部分を含まない部分の引張強力を示す。Using the tensile strength tester, the test samples joined in Examples 1 to 4 and Comparative Examples 1 to 3 were separated by a chuck interval of 5
A tensile strength test was performed under the conditions of 0 mm and a pulling speed of 100 m / min. The results at this time are shown in Table 1. However, blank in the table indicates the tensile strength of the portion of the test sample prepared in Example 1 not including the joint portion.
【００２３】[0023]
【表１】 [Table 1]
【００２４】次に、フラジール型試験機を用い、１２．
７ｍｍＨ2 Ｏ時における実施例１〜４、比較例１〜３で
接合したテストサンプルの接合部分における通気度試験
を行なった。このときの結果を表２に示す。但し、表中
ｂｌａｎｋは、実施例１で作成したテストサンプルの接
合部分を含まない部分の通気度を示す。Next, using a Frazier type tester, 12.
An air permeability test was performed on the joint portion of the test samples joined in Examples 1 to 4 and Comparative Examples 1 to 3 at 7 mmH 2 O. The results at this time are shown in Table 2. However, blank in the table indicates the air permeability of the portion of the test sample prepared in Example 1 not including the joint portion.
【００２５】[0025]
【表２】 [Table 2]
【００２６】図４に示す如く、実施例１〜４によるテス
トサンプル端部相互の接合部分は、巾方向において溶融
接合した部分６と溶融接合していない部分７とが形成さ
れる。すなわち、図５，６に示すような従来技術による
超音波ウェルダーの接合方法に比べ、上記表１，表２か
らも分かるように接合部分の通気度に優れ、強度も充分
に満足できるものである。したがって、接合部分であっ
ても、通常の部分と区別することなく、不織布を連続使
用することが可能である。As shown in FIG. 4, the joint portions between the end portions of the test samples according to Examples 1 to 4 are formed with a fusion-bonded portion 6 and a non-fusion-bonded portion 7 in the width direction. That is, as can be seen from the above Tables 1 and 2, the air permeability of the joint portion is excellent and the strength is sufficiently satisfactory as compared with the conventional ultrasonic welder joining method as shown in FIGS. . Therefore, it is possible to continuously use the non-woven fabric even at the joint portion without distinguishing it from the normal portion.
【００２７】[0027]
【発明の効果】以上のように本発明によれば、超音波ウ
ェルダーによって溶融接合した不織布の端部相互の接合
部分を何ら区別することなく使用することができるの
で、不織布の多孔性を必要とするアルカリ電池用セパレ
ータ等の産業資材分野等の製造ラインにおいて好適に使
用することができ、しかも経済的に不織布を使用できる
という優れた効果がある。As described above, according to the present invention, since it is possible to use the joining portions of the end portions of the non-woven fabric melt-joined by the ultrasonic welder without any distinction, it is necessary to provide the non-woven fabric with porosity. It has an excellent effect that it can be suitably used in a production line in the field of industrial materials such as a separator for alkaline batteries, and that the nonwoven fabric can be economically used.
【図１】本発明の板状体である下板の一例を示す斜視図
である。FIG. 1 is a perspective view showing an example of a lower plate which is a plate-shaped body of the present invention.
【図２】本発明による不織布の端部相互の接合方法を示
す概念図である。FIG. 2 is a conceptual diagram showing a method for joining end portions of a nonwoven fabric according to the present invention.
【図３】本発明による不織布の端部相互の接合部分の平
面図である。FIG. 3 is a plan view of a joint portion between the end portions of the nonwoven fabric according to the present invention.
【図４】本発明による不織布の端部相互の接合部分の断
面図である。FIG. 4 is a cross-sectional view of a joint portion between the end portions of the nonwoven fabric according to the present invention.
【図５】従来方法による不織布の端部相互の接合部分の
平面図である。FIG. 5 is a plan view of a joint portion between end portions of a nonwoven fabric according to a conventional method.
【図６】従来方法による不織布の端部相互の接合部分の
断面図である。FIG. 6 is a cross-sectional view of a joint portion between end portions of a nonwoven fabric according to a conventional method.
１、２ テストサンプル（不織布） ３ 下板 ４ 凸部 ５ ホーン ６ 溶融接合した部分 ７ 溶融接合していない部分 1, 2 Test sample (nonwoven fabric) 3 Lower plate 4 Convex portion 5 Horn 6 Melt-bonded portion 7 Non-melt-bonded portion
Claims (2)
端部相互を超音波ウェルダーで以って順次溶融接合する
接合方法であって、前記溶融接合において、ローレット
加工により凹凸部を形成した後各凸部先端部を平坦加工
した板状体を下板として用いることを特徴とする不織布
の端部相互の接合方法。1. A joining method in which end portions of a nonwoven fabric composed mainly of thermoplastic fibers are sequentially melt-joined with an ultrasonic welder, wherein in the melt-joining, uneven portions are formed by knurling. A method for joining together end portions of a non-woven fabric, characterized in that a plate-shaped body having a convex tip portion processed flat is used as a lower plate.
積が、５〜５０％である請求項１記載の不織布の端部相
互の接合方法。2. The method for joining the end portions of the non-woven fabric according to claim 1, wherein the surface area of the tip portion of the convex portion occupying on the plate-shaped body is 5 to 50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4348707A JPH06198740A (en) | 1992-12-28 | 1992-12-28 | Jointing method of mutual ends of unwoven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4348707A JPH06198740A (en) | 1992-12-28 | 1992-12-28 | Jointing method of mutual ends of unwoven fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06198740A true JPH06198740A (en) | 1994-07-19 |
Family
ID=18398826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4348707A Pending JPH06198740A (en) | 1992-12-28 | 1992-12-28 | Jointing method of mutual ends of unwoven fabric |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06198740A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4880662A (en) * | 1987-02-02 | 1989-11-14 | Siemens Aktiengesellschaft | Method and apparatus for processing UV-hardenable reaction resin compounds |
| DE10045994C2 (en) * | 2000-09-18 | 2002-09-05 | Delo Industrieklebstoffe Gmbh | Device and method for activating a polymerizable liquid |
| JP2003039556A (en) * | 2001-07-31 | 2003-02-13 | Inoac Corp | Method of fixing sound absorbing member to inner wall of cylindrical part |
| WO2005009722A1 (en) * | 2003-07-29 | 2005-02-03 | Itochu Corporation | Ultrasonic welding product |
| WO2012123415A1 (en) * | 2011-03-15 | 2012-09-20 | Herrmann Ultraschalltechnik Gmbh & Co. Kg | Sealing surface structure for producing a sealing seam |
| JP2012207336A (en) * | 2011-03-29 | 2012-10-25 | Uni Charm Corp | Method for producing stretchable sheet |
| KR20190010621A (en) | 2016-05-30 | 2019-01-30 | 캐논 가부시끼가이샤 | Porous belt, process for producing the same, and inkjet recording apparatus |
| JP2022079344A (en) * | 2020-11-16 | 2022-05-26 | 花王株式会社 | Method for producing stretchable sheet and sheet splicing device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS599268A (en) * | 1982-07-07 | 1984-01-18 | フタバ株式会社 | Welding adhesion of fiber product |
| JPS6328963A (en) * | 1986-07-15 | 1988-02-06 | 三菱レイヨン株式会社 | Manufacturing method for composite sheet material |
-
1992
- 1992-12-28 JP JP4348707A patent/JPH06198740A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS599268A (en) * | 1982-07-07 | 1984-01-18 | フタバ株式会社 | Welding adhesion of fiber product |
| JPS6328963A (en) * | 1986-07-15 | 1988-02-06 | 三菱レイヨン株式会社 | Manufacturing method for composite sheet material |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4880662A (en) * | 1987-02-02 | 1989-11-14 | Siemens Aktiengesellschaft | Method and apparatus for processing UV-hardenable reaction resin compounds |
| DE10045994C2 (en) * | 2000-09-18 | 2002-09-05 | Delo Industrieklebstoffe Gmbh | Device and method for activating a polymerizable liquid |
| JP2003039556A (en) * | 2001-07-31 | 2003-02-13 | Inoac Corp | Method of fixing sound absorbing member to inner wall of cylindrical part |
| WO2005009722A1 (en) * | 2003-07-29 | 2005-02-03 | Itochu Corporation | Ultrasonic welding product |
| WO2012123415A1 (en) * | 2011-03-15 | 2012-09-20 | Herrmann Ultraschalltechnik Gmbh & Co. Kg | Sealing surface structure for producing a sealing seam |
| JP2012207336A (en) * | 2011-03-29 | 2012-10-25 | Uni Charm Corp | Method for producing stretchable sheet |
| KR20190010621A (en) | 2016-05-30 | 2019-01-30 | 캐논 가부시끼가이샤 | Porous belt, process for producing the same, and inkjet recording apparatus |
| JP2022079344A (en) * | 2020-11-16 | 2022-05-26 | 花王株式会社 | Method for producing stretchable sheet and sheet splicing device |
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