JPS63249633A - 医療用バッグの製造金型および医療用バッグの製造方法 - Google Patents

医療用バッグの製造金型および医療用バッグの製造方法

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Publication number
JPS63249633A
JPS63249633A JP62083869A JP8386987A JPS63249633A JP S63249633 A JPS63249633 A JP S63249633A JP 62083869 A JP62083869 A JP 62083869A JP 8386987 A JP8386987 A JP 8386987A JP S63249633 A JPS63249633 A JP S63249633A
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JP
Japan
Prior art keywords
bag
medical bag
sheets
medical
mold
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
Application number
JP62083869A
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English (en)
Other versions
JPH0436552B2 (ja
Inventor
富士男 和田
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.)
SB Kawasumi Laboratories Inc
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Kawasumi Laboratories Inc
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Filing date
Publication date
Application filed by Kawasumi Laboratories Inc filed Critical Kawasumi Laboratories Inc
Priority to JP62083869A priority Critical patent/JPS63249633A/ja
Publication of JPS63249633A publication Critical patent/JPS63249633A/ja
Publication of JPH0436552B2 publication Critical patent/JPH0436552B2/ja
Granted legal-status Critical Current

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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
    • B29C66/01—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
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/244—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being non-straight, e.g. forming non-closed contours
    • 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
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/326—Shaping the burr, e.g. by the joining tool
    • 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
    • B29C66/348—Avoiding melting or weakening of the zone directly next to the joint area, e.g. by cooling
    • 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
    • B29C66/73—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
    • B29C66/81—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
    • B29C66/81427—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 ridge, e.g. for making a weakening line; comprising a single tooth
    • 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
    • B29C66/818—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • 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
    • 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
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5326—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially flat
    • B29C66/53261—Enclosing tubular articles between substantially flat elements
    • B29C66/53262—Enclosing spouts between the walls of bags, e.g. of medical bags
    • 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
    • B29C66/812—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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8122—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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • 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
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7148—Blood bags, medical bags

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。

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は、血液バッグ、薬液バッグ、その他の医療用バ
ッグの製造方法に関する。
（従来の技術） 医療用のバッグ１７は、第５図に示すように２枚のシー
トを重ね合せて袋状に形成した本体１８の上端部に、採
血針１９を接続した採血チューブ２３、他のバッグとの
連結チューブ２２を接続しかつ内部に連通ピース２７を
有する連結チューブ２６、プロテクター２４で覆われた
輸血口２５が取付られている。２８は筒体である。２９
は本体１８の融着シール部である。
これらの医療用バッグ１８は２枚の合成樹脂性製シート
を上下の金型間に置いて、該金型によりクランプして袋
状に形成するものであるが、該金型の内面エツジの形せ
は第６図（直角状）あるいは第７図（二段直角状）に示
すように形成されている。
（発明が解決しようとする問題点） 内面エツジ３６が直角状の金型３０により製造する方法
ではシート３２ａ、３２ｂ、を抑圧した箇所に力が集中
ために加熱時に変形することと、その先端が鋭利なため
押圧されなかったシート３２ａ、３２ｂの内面及び／又
は外面に筋状の肉薄部及びクラック３３が生じやすかっ
た。
他方、内面エツジ３７が二段直角状の金型３１により製
造する方法では、シート３４ａ、３４ｂを押圧する際の
力は分散されるが医療用バッグ１７の本体１８内面に樹
脂が二段に突出しかつ内面にクラック３５が生じやすく
なっていた。
これらのクラック３３．３５は医療用バッグ１７の機械
的強度を著しく低下させる原因となるので好ましくない
。
例えば（Ｉ）医療用バッグの内部に血液保存液、輸液、
生理食塩水等の液体を封入して運搬する際に、これらの
液体が漏出する原因となる。
（ｎ）血液を採取して遠心分離処理する際、遠心力に耐
えきれず、破裂する原因にもなっていた。
また第８図に示すような医療用バッグ４１は、薄肉のチ
ューブを押し出して熱溶着して袋状に形成するものであ
るが、第９図（第８図の■−■断面図）に示すようにチ
ューブ４２の材質が可とう性の合成樹脂のために扁平状
に押しつぶしてもその弾性回復力のため再び基のチュー
ブ形状に戻ろうとする傾向があるので、前述の示した方
法で熱溶着しようとすると第８図に示すように袋状本体
４３の四角Ａ、Ｂ、Ｃ，Ｄの熱溶着が不充分となり、こ
の部分から液体がリークしやすいという欠点があった（
４４．４５は溶着部、４６は口部である。） （問題点を解決するための手段） そこで、本発明は鋭意検討を重ねた結果。
上記の問題点を金型を改良して熱溶着する事により克服
できることを突き止めた。
具体的にはシート抑圧部４の内側に非導電部５を装着し
た上金型１とフラット面の形成された下金型１３の間に
薄肉のチューブ又は２枚°のシートを挟持して熱溶着す
る医療用バッグの製造方法を提供するものである。
（作用） 上金型ｌのシート押圧部４により押圧されたシー）１２
ａ、１２ｂの構成材料は溶融すると共に序々に内面エツ
ジ６．７方向に移動するが非導電部５により移動を妨げ
られて。
内面エツジ６と７間に形成された空間１５内に充填され
て、隆起部１６となる。
（実施例） 第１図は、本発明に使用する上金型１の概略図であって
、鉄、アルミ合金、黄銅等で形成されている（後述する
下金をも同材質で形成される）０図中２は医療用バッグ
１７の型で、３は本体１８に対応する溝部、４は融着シ
ール部２９に対応するシート押圧部である。さらにシー
ト押圧部４の内側には、例えばテフロン、ベークライト
、セラミック等の非導電部５を医療用バッグ１７の型２
に沿って装着したものである。６はシート抑圧部４の内
面エツジ、７は非導電１！８５の内面エツジを示す。
第２図（第１図のＩ−Ｉ断面の拡大図）の拡大断面図に
示すようにそれぞれの内面エツジ６．７は斜面に形成さ
れかつ凹凸状に形成されている。また、非導電部５の最
下端レベルｌＯは、上金７！！１のシート抑圧・部４の
最下端レベル１１よりも若干高い位置に調整されている
。これはシートの融着終了後、袋に膨らみをもたせるた
めである。第３図は１本発明の医療用バッグの製造方法
を示す概略図である。シー）１２ａ、１２ｂ（あるいは
薄肉に形成したチューブ、図示せず、）をシート抑圧部
４表面に医療用バッグ１７の型２を形成した上金型１と
シート押圧部１４表面をフラットに形成した下金型１３
とによりクランプして熱溶着して袋状に形成するもので
ある。
以上のように金型１．１３によりシート１２ａ、１２ｂ
（あるいは薄肉に形成したチューブＪ図示せず、）を熱
溶着する時には、第４図に示すようにシー）１２ａ、１
２ｂの構成材料である溶融樹脂はシート押圧部４付近で
溶融し、さらにクランプが進むにつれて、序々に内面エ
ツジ６と７間に形成された空間１５内に移動する。
他方、非導電１５には熱が伝わらないため非導電部５に
押圧された箇所では樹脂の溶融が起らず、突出してきた
樹脂は空間に充填されながら、同時に非導電体の壁面で
冷却されるので、第２図の空間１５を越えることなく該
空間１５内に溶融樹脂が充填され内留となり、隆起部１
６が医療用バッグの縁部に形成されることになる。
本発明に使用される上金型１の内面エツジ６．７の形状
は斜面に限定されるものではなく、半円形、矩形状に形
成してもよい。
（発明の効果） 以上説明したように本発明は。
（１）医療用バッグの内面にパリが発生せず残血、血液
の凝固等が生じない。
（２）内面や外面にクラックが発生しないので、機械的
強度を維持できる。
（３）シート形成後の離型性が良い。
（４）成形後の医療用バッグの形状をフラットに維持で
きる等の優れた発明である。
【図面の簡単な説明】
第１図は本発明に使用する上金型の概略図、ｆＪＪ２図
は第１図のＩ−Ｉ断面の拡大図、第３図は本発明の医療
用バッグの製造方法を示す概略図、第４図は本発明によ
り製造された後の医療用バッグの一部拡大断面図、第５
図はの医療用バッグの概略図、第６図及び第７図は従来
の医療用バッグの製造方法を示す概略図、第８図は、チ
ューブを押し出して熱溶着して袋状に形成される医療用
バッグの概略図、第９図は第８図の■−■断面図を示す
０図中、１は上金型、２は医療用バッグの型、３は溝部
、４及び１４はシート押圧部。 ５は非導電部、６はシート抑圧部の内面エツジ、７は非
導電部５の内面エツジ、１０は非導電部５の最下端レベ
ル、１１はシート押圧部４の最下端レベル、１２ａ及び
１２ｂはシート１３は下金型、１５は溝部、１６は隆起
部を示す。 特許出願人　　　川澄化学工業株式会社第１図 第２図 第４図

Claims (1)

    【特許請求の範囲】
  1. 薄肉のチューブを熱溶着又は２枚の合成樹脂製のシート
    を重ね合せて熱溶着して袋状に形成される医療用バッグ
    を製造する方法において、シート押圧部の内側に非導電
    部を装着した上金型とフラット面に形成された下金型の
    間に薄肉のチューブ又は２枚のシートを挟持して熱溶着
    することを特徴とする医療用バッグの製造方法。
JP62083869A 1987-04-07 1987-04-07 医療用バッグの製造金型および医療用バッグの製造方法 Granted JPS63249633A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62083869A JPS63249633A (ja) 1987-04-07 1987-04-07 医療用バッグの製造金型および医療用バッグの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62083869A JPS63249633A (ja) 1987-04-07 1987-04-07 医療用バッグの製造金型および医療用バッグの製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP3103132A Division JP2800904B2 (ja) 1991-04-08 1991-04-08 医療用バッグ

Publications (2)

Publication Number Publication Date
JPS63249633A true JPS63249633A (ja) 1988-10-17
JPH0436552B2 JPH0436552B2 (ja) 1992-06-16

Family

ID=13814670

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62083869A Granted JPS63249633A (ja) 1987-04-07 1987-04-07 医療用バッグの製造金型および医療用バッグの製造方法

Country Status (1)

Country Link
JP (1) JPS63249633A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005160861A (ja) * 2003-12-04 2005-06-23 Terumo Corp 医療用容器用シール用金型、医療用容器の製造方法及び医療用容器
CN107260538A (zh) * 2016-03-30 2017-10-20 泰尔茂株式会社 液体袋及液体袋的制造方法
WO2020064675A1 (de) * 2018-09-25 2020-04-02 Fresenius Kabi Deutschland Gmbh Konturformendes schweisswerkzeug zum impulsschweissen sowie konturformendes impulsschweissverfahren für eine als beutel ausgebildete medizinische verpackung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4721175U (ja) * 1971-03-10 1972-11-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4721175U (ja) * 1971-03-10 1972-11-09

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005160861A (ja) * 2003-12-04 2005-06-23 Terumo Corp 医療用容器用シール用金型、医療用容器の製造方法及び医療用容器
JP4593906B2 (ja) * 2003-12-04 2010-12-08 テルモ株式会社 医療用容器用ヒートシール用金型および医療用容器の製造方法
CN107260538A (zh) * 2016-03-30 2017-10-20 泰尔茂株式会社 液体袋及液体袋的制造方法
WO2020064675A1 (de) * 2018-09-25 2020-04-02 Fresenius Kabi Deutschland Gmbh Konturformendes schweisswerkzeug zum impulsschweissen sowie konturformendes impulsschweissverfahren für eine als beutel ausgebildete medizinische verpackung
CN112770894A (zh) * 2018-09-25 2021-05-07 费森尤斯卡比德国有限公司 用于被设计为袋的医疗包装的用于脉冲焊接的轮廓形成焊接工具和轮廓成形脉冲焊接方法
US11498284B2 (en) 2018-09-25 2022-11-15 Fresenius Kabi Deutschland Gmbh Contour-forming welding tool for pulse welding and contour-forming pulse welding method for a medical pack formed as a bag
CN112770894B (zh) * 2018-09-25 2023-06-13 费森尤斯卡比德国有限公司 用于被设计为袋的医疗包装的用于脉冲焊接的轮廓形成焊接工具和轮廓成形脉冲焊接方法

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