JPH07148224A - Bag for infusion and its production - Google Patents
Bag for infusion and its productionInfo
- Publication number
- JPH07148224A JPH07148224A JP32319893A JP32319893A JPH07148224A JP H07148224 A JPH07148224 A JP H07148224A JP 32319893 A JP32319893 A JP 32319893A JP 32319893 A JP32319893 A JP 32319893A JP H07148224 A JPH07148224 A JP H07148224A
- Authority
- JP
- Japan
- Prior art keywords
- bag
- adhesive
- drainage
- liquid discharge
- infusion
- 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
- 238000001802 infusion Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 239000000853 adhesive Substances 0.000 claims abstract description 25
- 230000001070 adhesive effect Effects 0.000 claims abstract description 25
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 239000000470 constituent Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract 2
- -1 polyethylene Polymers 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- QHZOMAXECYYXGP-UHFFFAOYSA-N ethene;prop-2-enoic acid Chemical compound C=C.OC(=O)C=C QHZOMAXECYYXGP-UHFFFAOYSA-N 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 229920006226 ethylene-acrylic acid Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006124 polyolefin elastomer Polymers 0.000 description 1
- 239000004711 α-olefin Substances 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
- 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
-
- 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
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
- B29C65/5057—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like positioned between the surfaces 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
- B29C66/01—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
- B29C66/01—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
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/133—Fin-type joints, the parts to be joined being flexible
-
- 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
- B29C66/242—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 closed, i.e. forming closed contours
- B29C66/2422—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 closed, i.e. forming closed contours being circular, oval or elliptical
- B29C66/24221—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 closed, i.e. forming closed contours being circular, oval or elliptical being circular
-
- 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
- B29C66/70—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
- B29C66/731—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 intensive physical properties of the material of the parts to be joined
- B29C66/7311—Thermal properties
- B29C66/73115—Melting point
-
- 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
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
- B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
- B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
-
- 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
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
- B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
- B29C65/4835—Heat curing adhesives
-
- 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
- B29C66/71—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 composition of the plastics material 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
- B29C66/80—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
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7148—Blood bags, medical bags
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、袋部材と排液部材とか
らなる輸液用バッグに関し、特に袋部材と排液部材の接
着手段を改良した輸液用バッグおよびその製造方法を提
供する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an infusion bag comprising a bag member and a drainage member, and more particularly to an infusion bag having improved means for adhering the bag member and the drainage member and a method for producing the same.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】ポリオ
レフィン製の輸液用バッグは、外部加熱によって熱溶着
され製造されているが外部加熱であるため、排液部材と
袋部材のように、形状や材質が異なる場合は直接加熱金
型と接する袋部材が溶けすぎ、袋部材が肉薄になり溶着
部の強度が低下したり、加熱不足により袋部材と排液部
材との間に微小の隙間ができ、内容液のリークが発生し
ていた。そこで本発明者は以上の課題を解決するために
鋭意検討を重ねた結果次の発明に到達した。2. Description of the Related Art Polyolefin infusion bags are manufactured by heat welding by external heating, but since they are externally heated, they have the same shape and shape as the drainage member and the bag member. If the materials are different, the bag member that is in direct contact with the heating mold will melt too much, the bag member will become thin and the strength of the welded part will decrease, and there will be a small gap between the bag member and the drainage member due to insufficient heating. , The content liquid was leaking. Therefore, the present inventor has earnestly studied to solve the above problems, and as a result, arrived at the following invention.
【０００３】[0003]
［１］本発明は袋部材と袋部材に融着される排液部材よ
り構成される輸液用バッグにおいて、袋部材と排液部材
の間に袋部材と排液部材の構成部材よりも融点が低くか
つ前記構成部材と相溶性の良い構成部材からなる接着部
材を介して袋部材と排液部材を融着した輸液用バッグを
提供する。[1] The present invention provides an infusion bag composed of a bag member and a drainage member fused to the bag member, and has a melting point between the bag member and the drainage member that is higher than that of the constituent members of the bag member and the drainage member. Provided is an infusion bag in which a bag member and a drainage member are fusion-bonded to each other via an adhesive member which is low and has good compatibility with the above-mentioned constituent members.
【０００４】［２］本発明は次の各工程よりなる輸液用
バッグの製造方法を提供する。 （１）中央に排液部材の挟持部が形成され、該挟持部に
溝部が形成され、前記挟持部の両側に袋部材の押圧面が
形成された上下の金型の間に、上から順に袋部材／接着
部材／排液部材／接着部材／袋部材の各構成部材を配置
する工程、（２）前記上下の金型より前記各構成部材を
挟持して熱を印加する工程、（３）前記各構成部材の溶
融部分を前記溝部に吸収する工程、（４）前記各構成部
材を融着する工程、[2] The present invention provides a method for manufacturing an infusion bag, which comprises the following steps. (1) Between the upper and lower molds in which a sandwiching portion of the drainage member is formed in the center, a groove portion is formed in the sandwiching portion, and pressing surfaces of the bag member are formed on both sides of the sandwiching portion, in order from the top. A step of arranging the respective constituent members of the bag member / adhesive member / drainage member / adhesive member / bag member, (2) a step of sandwiching the respective constituent members from the upper and lower molds and applying heat, (3) Absorbing the melted portion of each component into the groove, (4) fusing each component,
【０００５】[0005]
【実施例】図１は本発明の輸液用バッグ１（以下「バッ
グ１」）の概略図である。バッグ１はポリオレフィン製
（例えばポリエチレン、ポリプロピレン等）の袋部材２
と袋部材２に融着される排液部材３（袋部材２と同じ材
質）より構成されている。排液部材３の基部には小径部
９が形成され、小径部９と袋部材２はその間に接着部材
４を介在することにより融着されている。1 is a schematic view of an infusion bag 1 (hereinafter referred to as "bag 1") of the present invention. The bag 1 is a bag member 2 made of polyolefin (for example, polyethylene or polypropylene).
And a drainage member 3 (the same material as the bag member 2) fused to the bag member 2. A small diameter portion 9 is formed at the base of the drainage member 3, and the small diameter portion 9 and the bag member 2 are fused by interposing an adhesive member 4 therebetween.
【０００６】接着部材４の構成部材は、前記袋部材２と
排液部材３の構成部材よりも融点が低くかつこれらの各
構成部材と相溶性の良いものが使用される。融点が排液
部材３、袋部材２よりも高いと、ヒートシールにおいて
袋部材２のほうが溶けすぎてしまい、ピンホール等の発
生につながる。また排液部材３、袋部材２との相溶性が
悪いと融点が低く、接着部材４が先に溶けていても接着
強度は低いものとなる。本発明で使用される接着部材と
しては、ポリプロピレン、ポリエチレン、エチレン−酢
酸ビニル共重合体、エチレン−アクリル酸エステル共重
合体、エチレン−一酸化炭素共重合体、エチレン−αオ
レフィン共重合体、スチレン系エラストマー、オレフィ
ン系エラストマー、エチレン・メチルメタクリレート、
エチレン・アクリル酸エステル・無水マレイン酸共重合
体等が良い。より好ましくは融点が１０５℃以下のもの
が良い。As the constituent members of the adhesive member 4, those having a lower melting point than the constituent members of the bag member 2 and the drain member 3 and having good compatibility with each of these constituent members are used. If the melting point is higher than that of the drainage member 3 and the bag member 2, the bag member 2 will be excessively melted during heat sealing, which will lead to pinholes and the like. If the compatibility between the drainage member 3 and the bag member 2 is poor, the melting point is low, and the adhesive strength is low even if the adhesive member 4 is melted first. As the adhesive member used in the present invention, polypropylene, polyethylene, ethylene-vinyl acetate copolymer, ethylene-acrylic acid ester copolymer, ethylene-carbon monoxide copolymer, ethylene-α olefin copolymer, styrene Type elastomer, olefin type elastomer, ethylene / methyl methacrylate,
Ethylene / acrylic acid ester / maleic anhydride copolymer and the like are preferable. More preferably, the melting point is 105 ° C. or lower.
【０００７】図２はバッグ１の製造方法を示す概略図で
ある。図２において５はヒートシール金型で中央に排液
部材３の挟持部６が形成され、該挟持部６に袋部材２と
排液液部材３の間に接着部材４を挟んだ分の肉厚を吸収
できる程度の溝部７が形成されている。さらに前記挟持
部６の両側に袋部材２の押圧面８が形成されている。溝
部７を形成することにより、接着部材４の肉厚を確保す
ることができ、熱溶着により溶融した接着部材４を溝部
７内に吸収して排液部材３と袋部材２との間からのはみ
出しをなくすことができ、排液部材３と袋部材２の接着
強度を向上させることができる。FIG. 2 is a schematic view showing a method of manufacturing the bag 1. In FIG. 2, reference numeral 5 denotes a heat-sealing die, and a sandwiching portion 6 of the drainage member 3 is formed in the center, and the sandwiching portion 6 has a thickness corresponding to the thickness of the adhesive member 4 sandwiched between the bag member 2 and the drainage liquid member 3. The groove portion 7 is formed so that the thickness can be absorbed. Further, pressing surfaces 8 of the bag member 2 are formed on both sides of the sandwiching portion 6. By forming the groove portion 7, the thickness of the adhesive member 4 can be secured, and the adhesive member 4 melted by heat welding is absorbed in the groove portion 7 so that the adhesive member 4 can be removed from between the drainage member 3 and the bag member 2. The protrusion can be eliminated, and the adhesive strength between the drainage member 3 and the bag member 2 can be improved.
【０００８】バッグ１は次の方法により製造される。ヒ
ートシール金型５、５の間に上から袋部材２／接着部材
４／排液部材３／接着部材４／袋部材２の順に配置し
て、上下の金型より挟持して、熱を印加し、前記各構成
部材の溶融部分を前記溝部７に吸収させ、前記各構成部
材を融着する。The bag 1 is manufactured by the following method. The bag member 2, the adhesive member 4, the draining member 3, the adhesive member 4, and the bag member 2 are arranged in this order between the heat-sealing dies 5 and 5 and sandwiched by the upper and lower dies to apply heat. Then, the melted portion of each of the constituent members is absorbed in the groove portion 7, and the constituent members are fused.
【０００９】[0009]
【発明の作用効果】排液部材と袋部材との接着強度を向
上させることができ各構成部材の接着部からの液体のリ
ークを防止することができる。[Advantageous Effects of the Invention] The adhesive strength between the drainage member and the bag member can be improved, and liquid leakage from the adhesive portion of each component can be prevented.
【図１】本発明の輸液用バッグの概略図FIG. 1 is a schematic view of an infusion bag of the present invention.
【図２】本発明の輸液用バッグの製造方法を示す概略図FIG. 2 is a schematic view showing a method for producing an infusion bag of the present invention.
【符合の説明】 １ 輸液用バッグ ２ 袋部材 ３ 排液部材 ４ 接着部材 ５ ヒートシール金型 ６ 排液部材の挟持部 ７ 溝部 ８ 袋部材の押圧面 ９ 小径部[Explanation of reference signs] 1 bag for infusion 2 bag member 3 drainage member 4 adhesive member 5 heat-sealing die 6 sandwiching portion of drainage member 7 groove portion 8 pressing surface of bag member 9 small diameter portion
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 // Ｂ２９Ｌ 22:00 23:00 ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 6 Identification number Office reference number FI technical display location // B29L 22:00 23:00
Claims (2)
り構成される輸液用バッグにおいて、袋部材と排液部材
の間に袋部材と排液部材の構成部材よりも融点が低くか
つ前記構成部材と相溶性の良い構成部材からなる接着部
材を介して袋部材と排液部材を融着したことを特徴とす
る輸液用バッグ。1. An infusion bag composed of a bag member and a drainage member fused to the bag member, having a lower melting point between the bag member and the drainage member than the constituent members of the bag member and the drainage member. An infusion bag characterized in that the bag member and the drainage member are fused together via an adhesive member made of a component having good compatibility with the above-mentioned components.
方法。 （１）中央に排液部材の挟持部が形成され、該挟持部に
溝部が形成され、前記挟持部の両側に袋部材の押圧面が
形成された上下の金型の間に、上から順に袋部材／接着
部材／排液部材／接着部材／袋部材の各構成部材を配置
する工程、（２）前記上下の金型より前記各構成部材を
挟持して熱を印加する工程、（３）前記各構成部材の溶
融部分を前記溝部に吸収する工程、（４）前記各構成部
材を融着する工程、2. A method for manufacturing an infusion bag, which comprises the following steps. (1) Between the upper and lower molds in which a sandwiching portion of the drainage member is formed in the center, a groove portion is formed in the sandwiching portion, and pressing surfaces of the bag member are formed on both sides of the sandwiching portion, in order from the top. A step of arranging the respective constituent members of the bag member / adhesive member / drainage member / adhesive member / bag member, (2) a step of sandwiching the respective constituent members from the upper and lower molds and applying heat, (3) Absorbing the melted portion of each component into the groove, (4) fusing each component,
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32319893A JP3587545B2 (en) | 1993-11-29 | 1993-11-29 | Method for manufacturing infusion bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32319893A JP3587545B2 (en) | 1993-11-29 | 1993-11-29 | Method for manufacturing infusion bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07148224A true JPH07148224A (en) | 1995-06-13 |
| JP3587545B2 JP3587545B2 (en) | 2004-11-10 |
Family
ID=18152150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32319893A Expired - Fee Related JP3587545B2 (en) | 1993-11-29 | 1993-11-29 | Method for manufacturing infusion bag |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3587545B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021015112A1 (en) | 2019-07-22 | 2021-01-28 | Terumo Kabushiki Kaisha | Blood bag system and manufacturing method therefor |
-
1993
- 1993-11-29 JP JP32319893A patent/JP3587545B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3587545B2 (en) | 2004-11-10 |
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