JPH0353926A - Assembly method of filter - Google Patents

Assembly method of filter

Info

Publication number
JPH0353926A
JPH0353926A JP18933789A JP18933789A JPH0353926A JP H0353926 A JPH0353926 A JP H0353926A JP 18933789 A JP18933789 A JP 18933789A JP 18933789 A JP18933789 A JP 18933789A JP H0353926 A JPH0353926 A JP H0353926A
Authority
JP
Japan
Prior art keywords
filter
cap
filtrate chamber
chamber side
liquid
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
Application number
JP18933789A
Other languages
Japanese (ja)
Inventor
Noboru Nakamichi
昇 中道
Toshio Sakaguchi
敏雄 坂口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kanegafuchi Chemical Industry Co Ltd
Original Assignee
Kanegafuchi Chemical Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kanegafuchi Chemical Industry Co Ltd filed Critical Kanegafuchi Chemical Industry Co Ltd
Priority to JP18933789A priority Critical patent/JPH0353926A/en
Publication of JPH0353926A publication Critical patent/JPH0353926A/en
Pending legal-status Critical Current

Links

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
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7841—Holding or clamping means for handling purposes
    • B29C65/7847—Holding or clamping means for handling purposes using vacuum to hold at least one of the parts to be joined
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/541—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles a substantially flat extra element being placed between and clamped by the joined hollow-preforms
    • B29C66/5416—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles a substantially flat extra element being placed between and clamped by the joined hollow-preforms said substantially flat extra element being perforated, e.g. a screen
    • 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
    • B29C66/81411—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81423—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
    • 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
    • B29C66/81411—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81425—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being stepped, e.g. comprising a shoulder
    • 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
    • B29C66/81431—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 comprising a single cavity, e.g. a groove
    • 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
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/14—Filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To contrive stabilization of a manufacturing condition and simplification of a form of a filter, by a method wherein a contacting part between a cap on a chamber side for a liquid to be filtered and that for a filtering liquid is welded with an ultrasonic wave under a state where either of a chamber for the liquid to be filtered and that for the filtering liquid is decompressed. CONSTITUTION:A cap 1 on a chamber side for a filtering liquid is set up to an ultrasonic welding stand 5, a vacuum pump 6 is actuated by putting a filter 2 on a support 7, a part corresponding to a chamber for the filtering liquid is decompressed and the filter 2 is fixed by sucking the same to the cap 1 on the chamber side for the filtering liquid. Then a cap 3 on a chamber side for a liquid to be filtered is set up onto the filter 2, the filter 2 is put between the cap 1 on the chamber side for the filtering liquid and the cap 3 on the chamber side for the liquid to be filtered and a contacting part between them is melted by applying an ultrasonic vibration to the contacting part, they are unified and the filter is fixed.

Description

【発明の詳細な説明】 ［産業上の利用分野］ 本発明は濾過器の組立方法に関する。さらに詳しくは、
血液、体液、輸液中の異物を除去する医療用濾過器の組
立方法であって、フィルターを確実に安定して濾過器に
固定できるとともに、組立て作業の簡素化をはかること
ができる濾過器の組立方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method of assembling a filter. For more details,
A method for assembling a medical filter for removing foreign substances from blood, body fluids, and infusions, which allows the filter to be reliably and stably fixed to the filter, and also simplifies the assembly work. Regarding the method.

［従来の技術・発明が解決しようとする課助］医療用に
使用する濾過器では被濾過液がフィルターを確実に通過
しなければならない。このためには、フィルターを被濾
過液室とａ過液室との間に確実に固定するように組立て
る必要がある。[Background Art/Assistance to be Solved by the Invention] In a filter used for medical purposes, the liquid to be filtered must pass through the filter reliably. For this purpose, it is necessary to assemble the filter so that it is securely fixed between the filtrate chamber and the filtrate chamber.

濾過器の組立方法としては、一般にフィルターを被濾過
液室側キャップと濾過液室側のキャップとの間に挟み、
超音波を被濾過液室側キャップと濾過液室側キャップと
の接触部にあてて振動させ、溶かして溶着させて固定す
る方法が採用されている。The general method for assembling a filter is to sandwich the filter between a cap on the filtrate chamber side and a cap on the filtrate chamber side.
A method has been adopted in which ultrasonic waves are applied to the contact portion of the cap on the filtrate chamber side and the cap on the filtrate chamber side to vibrate, melt and weld the cap and fix the cap.

この方法では、超音波により被濾過液室側キャップおよ
び濾過液室側キャップの接触部を振動させて溶かすため
、その振動がフィルターに伝わり、フィルター直径が４
０１１１１１１程度に以上になるとフィルターが所定の
位置からずれたり、フィルターが振動してキャップ部に
あたり破損したりするなどの問題が生ずる。そこで、振
動によるフィルターの位置ずれなどを防止するため、非
常に狭い超音波溶着条件で前記キャップ接触部を溶着さ
せて組立てており、溶着条件を管理しに＜＜、濾過器を
安定して製造することが難しいという問題がある。また
、フィルターが動かないようにガイドを設けたり、フィ
ルターがずれても被濾過液室側キャップと濾過液室側キ
ャップとの間に挟めるように、フィルターを必要以上に
大きくしたりしているが、各キャップの構造が複雑にな
ったり、濾過器が大きくなったりするという問題がある
。In this method, the contact parts of the cap on the filtrate chamber side and the cap on the filtrate chamber side are vibrated and melted using ultrasonic waves, so the vibrations are transmitted to the filter and the filter diameter increases to 4.
If the temperature exceeds approximately 0111111, problems such as the filter being displaced from a predetermined position or the filter vibrating and hitting the cap portion may cause damage. Therefore, in order to prevent the filter from shifting due to vibration, the cap contact part is welded and assembled under extremely narrow ultrasonic welding conditions. The problem is that it is difficult to do so. In addition, a guide is provided to prevent the filter from moving, and the filter is made larger than necessary so that even if the filter becomes misaligned, it can be sandwiched between the cap on the filtrate chamber side and the cap on the filtrate chamber side. However, there are problems in that the structure of each cap becomes complicated and the filter becomes large.

また、医療用濾過器では、濾過器構成部材は溶出物の少
ない物でなければならないため、溶出物の少ない疎水性
のフィルターを使用するばあいがある。このような疎水
性フィルターを用いるぱあい、使用時の親水処理の手間
を省くた３ めに、フィルターを濡らした状態で濾過器に組込むこと
がある。Furthermore, in medical filters, since the filter components must be of a material with little eluate, hydrophobic filters with less eluate may be used. When using such a hydrophobic filter, the filter is sometimes installed in a filter in a wet state in order to save the effort of hydrophilic treatment during use.

このような濡れたフィルターや剛性が低く曲がりやすい
フィルターなどを固定するとき、超音波溶着では超音波
振動を加える加振器（ホン）にて被濾過液室側キャップ
と濾過波室側キャップとを圧縮しながら接触部を溶かし
て溶着させる。When fixing such wet filters or filters with low rigidity and easy bending, ultrasonic welding uses a vibrator (phone) that applies ultrasonic vibration to connect the cap on the filtrate chamber side and the cap on the filtered wave chamber side. While compressing, the contact parts are melted and welded.

この溶着時、超音波振動にて上記キャップ接触部が溶け
だすと、加振器（ホーン）にてキャップが急激に圧縮さ
れ、被濾過波室または濾過液室の容積が少なくなり、空
気が圧縮され、内圧が一瞬、急激に高くなり、被濾過液
室または濾過液室内より流入口または流出口を通って空
気が出て行くと同時に、濾過液室または被濾過液室に空
気が急激に流入する。通気性のわるい濡れたフィルター
では、この内圧の差によりフィルターが即されて位置が
ずれるばあいが生じる。また、剛性が低いフィルターで
は、圧力の高い濾過液室または被濾過液室から圧力の低
い４ 被濾過液室または濾過液室に空気が流れるとき、フィル
ターが曲がる。そこで加振器（ホーン）の移動スピード
を遅くしたり、超音波の発振時間を短かくしたりして、
フィルターの曲がりや位置ずれしない超音波溶着条件で
溶着している。During this welding, when the contact part of the cap begins to melt due to ultrasonic vibration, the cap is rapidly compressed by the vibrator (horn), the volume of the filtered wave chamber or the filtrate chamber decreases, and the air is compressed. The internal pressure suddenly increases for a moment, and at the same time air exits from the filtrate chamber or filtrate chamber through the inlet or outlet, air suddenly flows into the filtrate chamber or filtrate chamber. do. In the case of a wet filter with poor air permeability, this difference in internal pressure may cause the filter to become compressed and become misaligned. In addition, in a filter with low rigidity, when air flows from a filtrate chamber or a filtrate chamber with a high pressure to a filtrate chamber or a filtrate chamber with a low pressure, the filter bends. Therefore, by slowing down the moving speed of the exciter (horn) and shortening the ultrasonic oscillation time,
The filter is welded using ultrasonic welding conditions that will not bend or shift the position.

そのため超音波溶着条件の範囲が非常に限定され、溶着
条件が非常にせまくなる。Therefore, the range of ultrasonic welding conditions is extremely limited, and the welding conditions are extremely narrow.

［課題を解決するための手段］ 本発明は、フィルターを濾過液室側キャップと被濾過液
室側キャップとの間に挟み、濾過液室側キャップと彼濾
過液室側キャップとの接触部を超音波溶着するぱあいに
生じるフィルターの位置が振動や濾過液室と被濾過液室
との圧力差によりずれるという問題やフィルターが曲が
るという問題を解消し、濾過器製造条件の安定化、濾過
器形状の簡素化をはかることができる濾過器の組立方法
を提供することを目的としてなされたものであり、濾過
器内のフィルターにより区分された被濾過液流入口に連
通ずる被濾過液室と濾過液流出口に連通ずる濾過液室と
を有する濾過器を組立てる際に、フィルターとフィルタ
ーを支えるサポー１・を、被濾過戚室側キャップと濾過
液室側キャップとの間に装着し、被濾過液室または濾過
液室のいずれか一方を減圧にした状態で被濾過液室側キ
ャップと濾過液室側キャップとの接触部を超音波により
溶着させることを特徴とする濾過器の組立方法に関する
。[Means for Solving the Problems] The present invention includes a filter that is sandwiched between a cap on the filtrate chamber side and a cap on the filtrate chamber side, and a contact portion between the cap on the filtrate chamber side and the cap on the filtrate chamber side. This solves the problem of the filter position being shifted due to vibration or the pressure difference between the filtrate chamber and the filtered liquid chamber, which occurs in the ultrasonic welding gap, and the problem of the filter being bent, thereby stabilizing the filter manufacturing conditions and improving the quality of the filter. This was done with the purpose of providing a method for assembling a filter that can simplify the shape, and includes a filtrate chamber that communicates with a filtrate inlet separated by a filter in the filtration device, and a filter. When assembling a filter having a filtrate chamber communicating with a liquid outlet, the filter and the support 1 for supporting the filter are installed between the cap on the side of the chamber to be filtered and the cap on the side of the filtrate chamber. The present invention relates to a method for assembling a filter, which comprises welding a contact portion between a cap on the filtrate chamber side and a cap on the filtrate chamber side using ultrasonic waves while either the liquid chamber or the filtrate chamber is under reduced pressure.

［実施例］ 以下、本発明の濾過器の組立方法をその一例にしたがっ
て第１〜３図を用いて説明する。[Example] Hereinafter, a method for assembling a filter according to the present invention will be explained using FIGS. 1 to 3 according to an example thereof.

濾過戒室を減圧にしたときフィルター（２）かたわまな
いように、フィルター（２）を支える第２図に示すよう
な孔を有する円板状のサポート（刀が、平らな面がフィ
ルター（２）側になるようセットされた濾過液室側キャ
ップ（１）を、超音波溶着台（５）にセッｌ−　Ｌ、フ
ィルター（２）をサポー１−　（７）の」二に乗せ、真
空ポンプ（６）を作動させ、濾過液室にあたる部分を減
圧にし、前記フィルターを濾過液室側キャップ（１）に
吸い付けて固定する。To prevent the filter (2) from bending when the pressure is reduced in the filtration chamber, a disc-shaped support with holes as shown in Figure 2 is used to support the filter (2). Place the filtrate chamber side cap (1) set so that it is on the (2) side on the ultrasonic welding table (5), place the filter (2) on the support 1-(7), The vacuum pump (6) is operated to reduce the pressure in the part corresponding to the filtrate chamber, and the filter is fixed by suction to the filtrate chamber side cap (1).

前記フィルターとしては、たとえば再生セルロース製、
酢酸セルロース製、テフロン製などのフィルターかあげ
られるが、剛性の低い、また、疎水性のフィルターであ
ればよい。フィルターはボアサイズの小さいフィルター
の方が固定しやすく、とくに５珊以下のフィルターが固
定しやすい。The filter may be made of regenerated cellulose, for example.
Examples include filters made of cellulose acetate and Teflon, but any filter with low rigidity and hydrophobicity may be used. Filters with small bore sizes are easier to fix, especially filters with 5 corals or less.

また前記キャップおよびサポートの材質としては超音波
溶盾できる材質であればよく、具体例としては、たとえ
ばポリスチレン樹脂、アクリル樹脂、ポリプロピレン樹
脂、塩化ビニル樹脂、ポリカーボネート樹脂などかあげ
られる。The cap and support may be made of any material that can be ultrasonically melted, and specific examples include polystyrene resin, acrylic resin, polypropylene resin, vinyl chloride resin, and polycarbonate resin.

前記サポートにはサポートを通して液が流れるように孔
やスリットを設けてある。たとえばサポートの孔ピッチ
としては０．５〜３ＩＩＩＩＩ１程度が適切である。The support is provided with holes or slits to allow liquid to flow through the support. For example, a suitable hole pitch for the support is about 0.5 to 3III1.

つぎに、前記フィルター（２）の上に被濾過液室側キャ
ップ（３）をセットし、濾過液室側キャップ（１）と被
濾過液室側キャップ（３）との間にフィルター（２）を
挟み込み、超音波溶着機のホーン（４）にて７ 濾過液室側キャップ（１）と被濾過液室側キャップ（３
）との接触部に超音波振動を加えて溶かし、濾過液室側
キャップ（１）と被濾過液室側キャップ（３）とを一体
化するとともにフィルターを固定することにより濾過器
が組立てられる。Next, set the filtrate chamber side cap (3) on the filter (2), and place the filter (2) between the filtrate chamber side cap (1) and the filtrate chamber side cap (3). 7 with the horn (4) of the ultrasonic welding machine.
), the filter is assembled by applying ultrasonic vibration to the contact area to melt it, integrating the filtrate chamber side cap (1) and the filtrate chamber side cap (3), and fixing the filter.

このように濾過液室を減圧状態にし、フィルター（２）
を濾過液室側のサポート（７）に吸い付けて固定したの
ち、超音波溶着を行なうことにより、超音波溶着時の振
動および濾過液室と被濾過液室との圧力差によるフィル
ターの位置ずれやフィルターの曲がりを防ぎ、フィルタ
ーを確実に固定できる。In this way, reduce the pressure in the filtrate chamber and remove the filter (2).
is fixed by suction to the support (7) on the filtrate chamber side, and then ultrasonic welding is performed to prevent the filter from shifting due to vibration during ultrasonic welding and the pressure difference between the filtrate chamber and the filtered liquid chamber. This prevents the filter from bending and allows the filter to be securely fixed.

なお、上記説明では濾過液室を減圧状態にしたか、被濾
過液室側にサポートを設けたぱあいは被濾過液室を減圧
状態にしてもよい。また、濾過器を組立てたのち超音波
溶着台（５）にセットし、濾過液室または被濾過液室を
減圧にしたのち、超音波溶着を行なってもよい。この減
圧状態の濾過液室または被濾過液室の圧力は減圧されて
いない被濾過液室または濾過液室より１０〜８ ７［ｉ０ｍｍｌｇ程度低いのが好ましい。In the above description, the filtrate chamber may be in a reduced pressure state, or the filtrate chamber may be in a reduced pressure state in a case where a support is provided on the side of the filtrate chamber. Alternatively, after the filter is assembled, it may be set on the ultrasonic welding table (5), and the filtrate chamber or the filtered liquid chamber may be reduced in pressure, and then ultrasonic welding may be performed. The pressure of the filtrate chamber or the filtrate chamber in this reduced pressure state is preferably about 10 to 87 mmlg lower than that of the filtrate chamber or the filtrate chamber that is not depressurized.

つぎに実施例に基づき本発明の方法を説明する。Next, the method of the present invention will be explained based on Examples.

実施例１〜２および比較例１〜２ ボアサイズ１．０〜１．２μｍ程度の再生セルロース製
のフィルターと全面を温らしたボアサイズ１．０〜１．
２μｍの酢酸セルロース製のフィルターとを用いて溶着
実験を行なった。なお、再生セルロース製フィルターは
フィルタ一端部を持って水平にすると、フィルターが折
れ曲がるようなフィルターである。Examples 1-2 and Comparative Examples 1-2 A filter made of regenerated cellulose with a bore size of about 1.0 to 1.2 μm and a bore size of 1.0 to 1.2 μm heated on the entire surface.
A welding experiment was conducted using a 2 μm cellulose acetate filter. Note that the regenerated cellulose filter is a filter that bends when you hold one end of the filter and hold it horizontally.

濾過液室側キャップ（１）として、ポリカーボネート製
で、外径か約７０ｎｖ，フィルターが減圧にてたわまな
いようにフィルターを支える孔ピッチがＩ＋ｎｍの孔を
有するポリカーボネート製サポート（７）をセットした
ものを用いた。被濾過液室側キャップ（３）として、ポ
リカーボネート製で外径が約７０針のものを用いた。フ
ィルターとして前記のものを直径が約６５ＩＩＩＩＩ１
の大きさにしたものを用いた。As the filtrate chamber side cap (1), set a polycarbonate support (7) with an outer diameter of approximately 70 nv and holes with a hole pitch of I+nm to support the filter so that it does not bend under reduced pressure. I used the one I made. As the filtrate chamber side cap (3), a cap made of polycarbonate and having an outer diameter of about 70 needles was used. The diameter of the above filter is about 65III1
The size of the sample was used.

また、超音波溶着装置として、濾過液室側キャップの外
周部を受ける筒状の超音波溶着台（５）を有し、被濾過
液室側キャップを押える内部をくり抜いた第３図に示す
形状のホーン（４）を有し、濾過液室内および溶着台内
部を減圧にしうるように真空ポンプ（６）を取り｛Ｊけ
た装置を用いた。In addition, the ultrasonic welding device has a cylindrical ultrasonic welding table (5) that receives the outer circumference of the cap on the filtrate chamber side, and has a shape shown in FIG. A device with a vacuum pump (6) was used so that the inside of the filtrate chamber and the welding table could be reduced in pressure.

超音波溶着台（５）上に、濾過液室側キャップ（１）を
乗せ、上記キャップのサポート（７）上にフィルター（
２）を乗せ、濾過液室側を減圧にしたのち被濾過液室側
キャップ（３）を乗せ、約１〜２秒間で超音波振動を加
えて超音波溶着を行ない、濾過器を製造した。Place the filtrate chamber side cap (1) on the ultrasonic welding table (5), and place the filter (
2) was placed on the cap, and after reducing the pressure on the filtrate chamber side, the cap (3) on the filtrate chamber side was placed, and ultrasonic vibration was applied for about 1 to 2 seconds to perform ultrasonic welding, thereby producing a filter.

この操作を再生セルロース製フィルター、酢酸セルロー
ス製フィルターそれぞれについて３回繰り返し、６個の
濾液器を製造した。This operation was repeated three times for each of the regenerated cellulose filter and the cellulose acetate filter to produce six filtration vessels.

えられた濾過器はすべてフィルターの位置がずれていな
い良好なものであった。All of the filters obtained were in good condition with no misalignment of the filters.

比較のために真空ポンプ（６）による減圧を行なわなか
ったほかは前記と同様にして濾過器６個を製造した。For comparison, six filters were manufactured in the same manner as above except that the pressure was not reduced by the vacuum pump (6).

えられた濾過器はすべてフィルターが移動して位置かず
れていたり、フィルタ一端部が折れ曲がったりして、所
定の位置にフィルターを固定できなかった。In all of the filters that were obtained, the filters moved and were misaligned, or one end of the filter was bent, making it impossible to fix the filters in the specified position.

結果をまとめて第１表に示す。The results are summarized in Table 1.

Ｅ以下余白］ １ １ １ ２ 第１表の結果から、濾過液室を減圧状態にして超音波溶
着を行なった濾過器には、フィルターの位置のずれがな
いことがわかる。Margin below E] 1 1 1 2 From the results in Table 1, it can be seen that there is no shift in the position of the filter in the filter in which ultrasonic welding was performed with the filtrate chamber in a reduced pressure state.

［発明の効果］ 本発明の方法により濾過器を組立てると、フィルターの
位置のずれや折れ曲がりがおこりにくいため、ガイドな
どのない簡素な形状の濾過液室側キャップや被濾過液室
側キャップを用いて良好な品質の濾過器を安定して組立
てることができる。また、必要以上に大きなフィルター
を用いなくても良好な品質の濾過器を安定して組立てる
ことができる。[Effects of the Invention] When a filter is assembled by the method of the present invention, the filter is less likely to be misaligned or bent, so it is possible to use a cap on the filtrate chamber side or a cap on the filtrate chamber side with a simple shape without a guide etc. It is possible to stably assemble a filter of good quality. Moreover, a filter of good quality can be stably assembled without using an unnecessarily large filter.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本発明の濾過器の組立方法を示す説明図、第２
図はサポートの一部断面図、第３図はホーンの一部断面
図である。 （図面の主要符号） （１）：濾過液室側キャップ （２）：フィルター （３）： 彼濾過液室側キヤ ツプ （７）　．サポー トFIG. 1 is an explanatory diagram showing the method of assembling the filter of the present invention, and FIG.
The figure is a partial sectional view of the support, and FIG. 3 is a partial sectional view of the horn. (Main symbols in the drawing) (1): Cap on the filtrate chamber side (2): Filter (3): Cap on the side of the filtrate chamber (7). support

Claims (1)

【特許請求の範囲】[Claims] １　濾過器内のフィルターにより区分された被濾過液流
入口に連通する被濾過液室と濾過液流出口に連通する濾
過液室とを有する濾過器を組立てる際に、フィルターと
フィルターを支えるサポートを、被濾過液室側キャップ
と濾過液室側キャップとの間に装着し、被濾過液室およ
び濾過液室のいずれか一方を減圧にした状態で被濾過液
室側キャップと濾過液室側キャップとの接触部を超音波
により溶着させることを特徴とする濾過器の組立方法。1. When assembling a filter having a filtrate chamber communicating with a filtrate inlet and a filtrate chamber communicating with a filtrate outlet separated by a filter in the filtration device, it is necessary to install a filter and a support that supports the filter. , is installed between the filtrate chamber side cap and the filtrate chamber side cap, and the filtrate chamber side cap and the filtrate chamber side cap are attached with either the filtrate chamber or the filtrate chamber under reduced pressure. A method for assembling a filter, characterized by welding the contact portion with it using ultrasonic waves.
JP18933789A 1989-07-21 1989-07-21 Assembly method of filter Pending JPH0353926A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18933789A JPH0353926A (en) 1989-07-21 1989-07-21 Assembly method of filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18933789A JPH0353926A (en) 1989-07-21 1989-07-21 Assembly method of filter

Publications (1)

Publication Number Publication Date
JPH0353926A true JPH0353926A (en) 1991-03-07

Family

ID=16239652

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18933789A Pending JPH0353926A (en) 1989-07-21 1989-07-21 Assembly method of filter

Country Status (1)

Country Link
JP (1) JPH0353926A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150028083A1 (en) * 2013-07-28 2015-01-29 Forge Tech, Inc. Method for repairing and improving structural integrity of storage tanks

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150028083A1 (en) * 2013-07-28 2015-01-29 Forge Tech, Inc. Method for repairing and improving structural integrity of storage tanks
US9199333B2 (en) * 2013-07-28 2015-12-01 Forge Tech, Inc. Method for repairing and improving structural integrity of storage tanks

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