JPH0634090Y2 - ローレットの構造 - Google Patents

ローレットの構造

Info

Publication number
JPH0634090Y2
JPH0634090Y2 JP1989124973U JP12497389U JPH0634090Y2 JP H0634090 Y2 JPH0634090 Y2 JP H0634090Y2 JP 1989124973 U JP1989124973 U JP 1989124973U JP 12497389 U JP12497389 U JP 12497389U JP H0634090 Y2 JPH0634090 Y2 JP H0634090Y2
Authority
JP
Japan
Prior art keywords
knurl
shape
line
ridges
recesses
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.)
Expired - Lifetime
Application number
JP1989124973U
Other languages
English (en)
Other versions
JPH0364732U (ja
Inventor
敏雄 鷹
卓男 大久保
幸弘 野村
昭紘 橋本
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Priority to JP1989124973U priority Critical patent/JPH0634090Y2/ja
Publication of JPH0364732U publication Critical patent/JPH0364732U/ja
Application granted granted Critical
Publication of JPH0634090Y2 publication Critical patent/JPH0634090Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • 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
    • B29C66/20—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
    • B29C66/50—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
    • B29C66/53263—Enclosing spouts between the walls of bags, e.g. of medical bags said spouts comprising wings, e.g. said spouts being of ship-like or canoe-like form to avoid leaks in the corners
    • 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
    • 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
    • B29C66/735—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 extensive physical properties of the parts to be joined
    • B29C66/7352—Thickness, e.g. very thin
    • 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)
  • Bag Frames (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、主として筒状の熱可塑性樹脂製の薄肉シート
の一方の開口部に熱可塑性樹脂製の口栓部材をとりつ
け、両端開口部を平板状に融着して、液体を状納する袋
をつくる際に、袋を落したりしないために、上記平板状
融着部の両面に形成されるローレットの構造に関する。
〔従来の技術〕
例えば医療用の生理食塩水や血液等点滴に用いる薬液
は、従来硝子瓶に入れられていたが、点滴の際、瓶内が
減圧となるのを防止するため、注射針を刺通して空気を
導入しなければならず、雑菌が侵入する懸念があった。
これを防止するため最近では熱可塑性樹脂（以下、樹脂
という）製の袋が用いられるようになった。
上記樹脂袋をつくるには厚さ50〜800μｍの円筒状の樹
脂シートを所定の長さに切断し、第３図（ａ）（ｂ）に
示すように一方の開口部に射出成形された樹脂製の口栓
部材１を嵌合し、両端開口部を平板状に融着封止し、融
着部2,3の間に袋部４を形成してつくられるが、融着力
を高め、また薬液を充填した袋を取り扱う際、すべって
落したりしないように、平板状融着部2,3の表面にロー
レット５が形成されることが多い。
〔考案が解決しようとする課題〕
しかしながら、ローレットの凹凸は、融着部2,3の両面
から形成されているため、一方の面の凹部と他方の面の
凹部の位置が近接すると、薄いシート同志の一部が、さ
らに薄くなり、融着部2,3の強度が低下するばかりでな
く、このようなローレットが融着部2,3と袋部４の境界
に近接して形成されると液漏れすることがあった。
本考案は上記の事情に鑑みなされたもので、融着部の厚
みに特に薄い部分が生じることのないローレットの構造
を提供することを目的とする。
〔課題を解決するための手段〕
上記の目的を達成するため、本考案に係るローレットの
構造は、 熱可塑性樹脂製シートを重ね合わせ融着する際のローレ
ット加工によって、融着された両面に形成されるローレ
ットの構造において、一方の面のローレットの形状は、
四角状の稜線を有する角状の凹部が多数その稜線を共有
して隣接し、該凹部の形状が切頭四角錐状であり、他方
の面のローレットの形状は、一方向においては平坦であ
り、これに直交する方向においては波形である波板状で
あり、かつ上記一方の面のローレットの凹部の底部が上
記他方の面のローレットの波形の谷部に重なり、上記一
方の面のローレットの稜線の半数が上記他方の面のロー
レットの波形の山部に重なるようにしたものである。
〔作用〕
かかる構成により、融着部の厚みに特に薄肉の部分が形
成されることがない。
〔実施例〕
第１図および第２図（ａ）〜（ｆ）は、本考案のローレ
ットの構造の一実施例を示すもので、第１図は斜視図、
第２図（ａ）〜（ｆ）はいずれも第１図に示すａ−ａ
線、ｂ−ｂ線、ｃ−ｃ線、ｄ−ｄ線、ｅ−ｅ線およびｆ
−ｆ線で断面視したときの断面である。
この例のローレットの構造にあっては、その凹凸形状が
両面で異なっている。すなわち、表面（一方の面）のロ
ーレット11の形状は、四角形の稜線12…を有する正方形
状の凹部13…が、多数縦横に規則正しくその稜線12…を
共有して隣接して形成されてなるものである。そして、
各凹部13の形状は、切頭四角錐状となっており、その底
部14は小さな正方形の平面となっている。
また、裏面（他方の面）のローレット15の形状は、第２
図の各断面図から明らかなように、第１図中のａ−ａ線
に平行な方向では平坦であり、これに直交するｄ−ｄ線
の方向には波形となった波板状の形状となっている。
さらに、表面のローレット11の稜線12…のうち、第１図
中ａ−ａ線に並行な稜線12a…は裏面のローレット15の
波形の山部16…と重なり合うようになっており、表面の
ローレット11の凹部13…の底部14…は裏面のローレット
15の波形の谷部17…と重なり合うようになっている。
このようなローレットの構造は、ローレット加工用金型
の相互位置がずれないように保持して２枚の樹脂シート
を加熱加圧することによって形成できる。
この例のローレットの構造にあっては、第２図の各断面
図から明らかなように、融着部の厚みがある一定以下の
厚みとなることがなく、このため融着部の強度が所定以
下の値になることがなくなる。
〔考案の効果〕
以上説明したように、この考案のローレットの構造によ
れば、熱可塑性樹脂製シートの融着部の厚みが所定の厚
み以下となる部分が生じることがなくなる。このため、
融着部の強度が低下したり、この部分が破損して内容物
が漏出したりするなどの不都合が生じない。また、表面
と裏面とのローレットの形状が異なるので、指触によっ
てその表裏面を判断することもできる。
【図面の簡単な説明】
第１図および第２図はこの考案の実施例を示すもので、
第１図は斜視図、第２図（ａ）〜（ｆ）は、それぞれ第
１図のａ−ａ線、ｂ−ｂ線、ｃ−ｃ線、ｄ−ｄ線、ｅ−
ｅ線およびｆ−ｆ線矢視断面図、第３図（ａ）は従来の
樹脂製袋の平面図、第３図（ｂ）は第３図（ａ）のＶ−
Ｖ線矢視図である。 11……表面のローレット、12……稜線、13……凹部、14
……底部、15……裏面のローレット、16……山部、17…
…谷部。
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 // Ｂ２９Ｌ 22:00 4Ｆ (72)考案者 橋本 昭紘 神奈川県川崎市川崎区千鳥町３―２ 昭和 電工株式会社川崎樹脂研究所内 (56)参考文献 実開 平２−131445（ＪＰ，Ｕ) 特公 昭51−8987（ＪＰ，Ｂ２) 実公 昭44−25918（ＪＰ，Ｙ１) 実公 昭54−12061（ＪＰ，Ｙ２)

Claims (1)

    【実用新案登録請求の範囲】
  1. 【請求項１】熱可塑性樹脂製シートを重ね合わせ融着す
    る際のローレット加工によって、融着された両面に形成
    されるローレットの構造において、 一方の面のローレットの形状は、四角状の稜線を有する
    角状の凹部が多数その稜線を共有して隣接し、該凹部の
    形状が切頭四角錐状であり、 他方の面のローレットの形状は、一方向においては平坦
    であり、これに直交する方向においては波形である波板
    状であり、かつ 上記一方の面のローレットの凹部の底部が上記他方の面
    のローレットの波形の谷部に重なり、 上記一方の面のローレットの稜線の半数が上記他方の面
    のローレットの波形の山部に重なるようにしたことを特
    徴とするローレットの構造。
JP1989124973U 1989-10-25 1989-10-25 ローレットの構造 Expired - Lifetime JPH0634090Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989124973U JPH0634090Y2 (ja) 1989-10-25 1989-10-25 ローレットの構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989124973U JPH0634090Y2 (ja) 1989-10-25 1989-10-25 ローレットの構造

Publications (2)

Publication Number Publication Date
JPH0364732U JPH0364732U (ja) 1991-06-24
JPH0634090Y2 true JPH0634090Y2 (ja) 1994-09-07

Family

ID=31672866

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989124973U Expired - Lifetime JPH0634090Y2 (ja) 1989-10-25 1989-10-25 ローレットの構造

Country Status (1)

Country Link
JP (1) JPH0634090Y2 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3524960B2 (ja) * 1994-07-15 2004-05-10 昭和電工株式会社 輸液バッグ
JP5165421B2 (ja) * 2008-03-12 2013-03-21 株式会社カナエ 密閉容器、その製造方法、それを製造する金型及び接続構造
JP6848108B1 (ja) * 2020-06-30 2021-03-24 テルモ株式会社 医療用バッグシステム及び遠心分離システム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4425918Y1 (ja) * 1966-04-13 1969-10-30
JPS518987A (en) * 1974-07-11 1976-01-24 Akashi Seisakusho Kk Kodokeino atsushijikushijikiko
JPS5412061U (ja) * 1977-06-28 1979-01-26

Also Published As

Publication number Publication date
JPH0364732U (ja) 1991-06-24

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term