JPH0354616B2 - - Google Patents

Info

Publication number
JPH0354616B2
JPH0354616B2 JP59265795A JP26579584A JPH0354616B2 JP H0354616 B2 JPH0354616 B2 JP H0354616B2 JP 59265795 A JP59265795 A JP 59265795A JP 26579584 A JP26579584 A JP 26579584A JP H0354616 B2 JPH0354616 B2 JP H0354616B2
Authority
JP
Japan
Prior art keywords
shoulder
welding
tip
trunk
tool horn
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
JP59265795A
Other languages
English (en)
Other versions
JPS61143119A (ja
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 filed Critical
Priority to JP59265795A priority Critical patent/JPS61143119A/ja
Publication of JPS61143119A publication Critical patent/JPS61143119A/ja
Publication of JPH0354616B2 publication Critical patent/JPH0354616B2/ja
Granted 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
    • B29C66/01—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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124—Tongue and groove joints
    • B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
    • B29C66/12441—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue being a single wall
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124—Tongue and groove joints
    • B29C66/1246—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove
    • B29C66/12463—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being tapered
    • B29C66/12464—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being tapered being V-shaped
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124—Tongue and groove joints
    • B29C66/1246—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove
    • B29C66/12469—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being asymmetric
    • 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
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
    • 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
    • B29C66/61—Joining from or joining on the inside
    • B29C66/612—Making circumferential 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
    • B29C66/50—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
    • B29C66/63—Internally supporting the article during joining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • 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
    • B29C66/814—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
    • 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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72321—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of metals or their alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72327—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
    • B29K2711/12—Paper, e.g. cardboard
    • B29K2711/123—Coated
    • 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
    • B29L2023/00—Tubular articles
    • B29L2023/20—Flexible squeeze tubes, e.g. for cosmetics

Landscapes

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

Description

【発明の詳細な説明】 産業上の利用分野 この発明は押出しチユーブの胴部と肩部との溶
着方法に関し、さらに詳しくは超音波溶着による
溶着方法に関するものである。
従来の技術 従来、ポリエチレン、ポリプロピレン等からな
る多層チユーブ或いは内部にアルミニウム箔、紙
等を有するラミネートチユーブを製造する場合に
おける胴部と肩部との溶着方法は、射出成形法、
高周波溶着法或いはレザー光線による溶着方法等
が知られている。
しかしながら、これらの溶着方法は大規模な機
械設備が必要であり、かつ機械自体が複雑である
という欠点があつた。また胴部と肩部の接合部を
完全に溶着することは非常に困難であり、その
上、溶着時の熱により樹脂が黒変し外観上肩部の
美感を損ねる欠点があつた。
そこで、このような不都合を解消するために開
発された胴部と肩部との溶着方法として超音波振
動による溶着方法がある。この超音波振動による
溶着法の利点は、溶着時間が短くかつ樹脂の劣化
を起こさないで均一で強力な接合力が得られる点
である。
超音波溶着法の従来技術としては、例えば第５
図および第６図に示すようなものがある。図中、
５０はチユーブ容器の口部と肩部とから構成され
る笠体であり、この笠体５０の肩部５１下端には
肩部溶着代５１ａが形成されている。そして、胴
部５２の内径と略同径の外形を有する円柱形状の
受け治具５３の外周には胴部５２が嵌合され、胴
部５２の上端には胴部溶着端部５２ａが形成さ
れ、この胴部溶着端部５２ａは受け治具５３の上
縁からやや上方に突出されている。次にこの突出
した部分の内側の受け治具５３上の縁部に笠体５
０を着座し、その後、肩部５１の外形をした工具
ホーン５４を肩部５１上に下降させて加圧し、胴
部溶着端部５２ａを肩部溶着代５１ａに折り重ね
ると共にこの重ね部分に超音波振動を加えて胴部
と肩部とを溶着するものである。
発明が解決しようとする問題点 しかしながら、このような従来の発明にあつて
は、胴部溶着端部５２ａが肩部溶着代５１ａの上
側に被つて溶着されるため、胴部５２と肩部５１
との継ぎ目が肩部５１の表面に現れて肩部５１の
美感が失われる欠点があつた。特に、アルミニウ
ム箔を内装したラミネートの胴部である場合に
は、超音波振動による摩擦熱のための胴部溶着端
部５２ａの上端断面のアルミニウム箔が外方に露
出し肩部５１の美感が著しく損なわれる欠点があ
つた。
この発明はこのような従来の問題点に着目して
なされたもので、胴部と肩部との継ぎ目が肩部表
面に露出するのを防止することにより、チユーブ
容器の肩部の外観を美しくするとともに胴部と肩
部との接合強度を増加した超音波溶着方法を提供
することを目的としている。
問題を解決するための手段 この目的は達成するために、この発明は、押出
しチユーブの胴部を胴部支持体内に挿入して支持
し、胴部先端に加熱したプレス工具を下降して該
胴部先端を胴部内側に湾曲し、次に肩部の下端に
二股状の上部溶着代と下部溶着代とを有する笠体
を該上部溶着代と下部溶着代とで前記胴部先端を
挟むようにして胴部先端上に着座させ、その後前
記肩部に受け治具を下降させるとともに工具ホー
ンを胴部内側から上昇させて該受け治具と工具ホ
ーンとで前記胴部および肩部を堅固に挟着し、工
具ホーンを超音波振動させて前記下部溶着代、胴
部先端および上部溶着代をそれぞれ超音波溶着し
たことを特徴とする押出しチユーブの胴部と肩部
の溶着方法であり、また、前記下部溶着代の肉厚
は薄肉に形成され、かつ前記胴部の内側から胴部
先端に溶着されることを特徴としている。
作用 以上のような構成をもつたこの発明によれば、
工具ホーンを胴部内側から上昇させて下部溶着代
に当接させ、その後に工具ホーンから超音波振動
を加えるものであるから、薄い肉厚の下部溶着代
と胴部先端との間に超音波振動が強力に伝達し、
局部的に摩擦熱が発生し、相互の接触面は溶融し
下部溶着代と胴部先端は溶着される。また工具ホ
ーンからの超音波振動は胴部先端と上部溶着代と
の間の接触面にも局部的に摩擦熱を発生させるの
で、相互の接触面が溶融し胴部先端と上部溶着代
は溶着される。
実施例 次に、この発明を図面に基づいて説明す。
第１図〜第４図はこの発明の一実施例を示す図
面である。
第１図中、１は押出しチユーブの胴部であり、
この胴部１は胴部支持体２に上方から挿入されこ
の胴部支持体２によつて外側からガイドされてい
る。そして、胴部１の先端である胴部先端部１ａ
の外周には肩部４の上部溶着代５が適宜に嵌合す
るように切欠部１ｂが形成されている。また、胴
部支持体２はターンテーブル１０の周縁部に等間
隔をおいて複数個溶接またはボルト締め等の方法
で固設されており（図示ぜず）、このターンテー
ブル１０は胴部支持体２の内径と同径の穴１０ａ
が開けられている。さらに、このターンテーブル
１０の下側には胴部１を下方から支持する支持板
１０ｂが設けられ、ターンテーブル１０はこの固
定された支持板１０ｂ上を回転自在に移動するも
のである。胴部支持体２に挿入された胴部１の胴
部先端１ａには、下方に湾曲面を有する約100℃
に加熱されたプレス工具３が下降して約２〜３秒
間胴部先端１ａに接触し加圧する。加圧された胴
部先端１ａはプレス工具３の湾曲部に沿つて胴部
１の内側に湾曲する。プレス工具３が上昇した
後、ターンテーブル１０が回転し次の工程へと進
む。
第３図は胴部先端１ａに口部と肩部とから構成
される笠体７を着座する工程である肩部４の下端
には上部溶着代５と下部溶着代６の二股形状に分
岐され、下部溶着代６の肉厚は薄肉に形成されて
いる。そして、笠体７は吸引装置１１に穿設され
た吸引孔１１ａによつて吸引され吸引装置１１に
固定された後、吸引装置１１の下降とともに湾曲
された胴部先端１ａ上に載置される。このとき、
胴部先端１ａが上部溶着代５と下部溶着代６とで
挟着された状態で載置される。吸引装置１１が上
昇した後、ターンテーブル１０が回転し次の工程
へと進む。
第４図は超音波振動による溶着工程を示したも
のである。図中、８は受け治具であり、受け治具
８には笠体７の肩部４の外径をなした雌型が形成
され、下降して笠体７の肩部４を固定する。次に
胴部１内側から工具ホーン９が上昇し、この工具
ホーン９が肩部４の下部溶着代６に当接し、下部
溶着代６、胴部先端１ａおよび上部溶着代５は受
け治具８と工具ホーン９とで堅固に挟着される。
なお、支持板１０ｂには工具ホーン９が上昇可能
なように穴１０ｃが穿設されている。更に、工具
ホーン９を超音波振動させて下部溶着代６、胴部
先端１ａおよび上部溶着代５に縦方向の振動を加
え、それぞれ接触面に摩擦熱を発生させて胴部１
と肩部４とを溶着するものである。溶着が終了
後、ターンテーブル１０は次の工程へと回転す
る。溶着が終了した胴部１は胴部支持体２から引
き抜かれる。
発明の効果 以上説明してきたように、この発明によれば従
来の超音波溶着とは異なり、胴部内側下方から工
具ホーンを上昇させて、肩部の内側で下部溶着代
と胴部先端とが溶着されるので、胴部と肩部との
溶着による継ぎ目が肩部の表面に現れず、肩部の
外観を美しく仕上げることができる。また、肩部
の下部溶着代は薄い肉厚に形成されているから、
超音波振動が接着面に直接伝達され胴部と肩部の
接合強度が増大する効果がある。
【図面の簡単な説明】
第１図〜第４図はこの発明の一実施例を示すも
ので、第１図は胴部と肩部とを溶着している状態
の一部切欠断面図、第２図は胴部先端の湾曲工程
を示した断面図、第３図は笠体を胴部先端に着座
する工程を示した断面図、第４図は超音波振動に
よる溶着工程を示した断面図、第５図および第６
図は従来の超音波振動による溶着方法を示した図
面であり、第５図は受け治具で支持された笠体に
工具ホーンが下降する状態を示した一部切欠断面
図、第６図は溶着状態を示した一部切欠断面図で
ある。 １……胴部、１ａ……胴部先端、２……胴部支
持体、３……プレス工具、４……肩部、５……上
部溶着代、６……下部溶着代、７……笠体、８…
…受け治具、９……工具ホーン。

Claims (1)

  1. 【特許請求の範囲】 １ 押出しチユーブの胴部を胴部支持体内に挿入
    して支持し、胴部先端に加熱したプレス工具を下
    降して該胴部先端を胴部内側に湾曲し、次に肩部
    の下端に二股状の上部溶着代と下部溶着代とを有
    する笠体を該上部溶着代と下部溶着代とで前記胴
    部先端を挟むようにして胴部先端上に着座させ、
    その後前記肩部に受け治具を下降させると共に工
    具ホーンを胴部内側から上昇させて該受け治具と
    工具ホーンとで前記胴部および肩部を堅固に挟着
    し、工具ホーンを超音波振動させて前記下部溶着
    代、胴部先端および上部溶着代をそれぞれ超音波
    溶着したことを特徴とする押出しチユーブの胴部
    と肩部の溶着方法。 ２ 前記下部溶着代の肉厚は薄肉に形成され、か
    つ前記胴部の内側から胴部先端に溶着されること
    を特徴とする特許請求の範囲第１項記載の溶着方
    法。
JP59265795A 1984-12-17 1984-12-17 押出しチユ−ブの胴部と肩部の溶着方法 Granted JPS61143119A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59265795A JPS61143119A (ja) 1984-12-17 1984-12-17 押出しチユ−ブの胴部と肩部の溶着方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59265795A JPS61143119A (ja) 1984-12-17 1984-12-17 押出しチユ−ブの胴部と肩部の溶着方法

Publications (2)

Publication Number Publication Date
JPS61143119A JPS61143119A (ja) 1986-06-30
JPH0354616B2 true JPH0354616B2 (ja) 1991-08-20

Family

ID=17422140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59265795A Granted JPS61143119A (ja) 1984-12-17 1984-12-17 押出しチユ−ブの胴部と肩部の溶着方法

Country Status (1)

Country Link
JP (1) JPS61143119A (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2212462A1 (en) * 1995-02-13 1996-08-22 The Procter & Gamble Company A collapsible tube package and method of construction
JP2007030332A (ja) * 2005-07-27 2007-02-08 Pentel Corp 密閉容器の超音波溶着構造
JP5938158B2 (ja) * 2014-08-25 2016-06-22 株式会社みやび堂 溶着装置

Also Published As

Publication number Publication date
JPS61143119A (ja) 1986-06-30

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