JP2719065B2 - プラスチック製容器の嵌込み式注ぎ口及び該嵌込み式注ぎ口の溶着に用いる超音波溶着機用ホーン - Google Patents

プラスチック製容器の嵌込み式注ぎ口及び該嵌込み式注ぎ口の溶着に用いる超音波溶着機用ホーン

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Publication number
JP2719065B2
JP2719065B2 JP3360745A JP36074591A JP2719065B2 JP 2719065 B2 JP2719065 B2 JP 2719065B2 JP 3360745 A JP3360745 A JP 3360745A JP 36074591 A JP36074591 A JP 36074591A JP 2719065 B2 JP2719065 B2 JP 2719065B2
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JP
Japan
Prior art keywords
spout
welding
opening
container
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
JP3360745A
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English (en)
Other versions
JPH05178351A (ja
Inventor
清 梅津
孝俊 鈴木
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.)
Idemitsu Kosan Co Ltd
Original Assignee
Idemitsu Kosan Co Ltd
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Publication date
Application filed by Idemitsu Kosan Co Ltd filed Critical Idemitsu Kosan Co Ltd
Priority to JP3360745A priority Critical patent/JP2719065B2/ja
Publication of JPH05178351A publication Critical patent/JPH05178351A/ja
Application granted granted Critical
Publication of JP2719065B2 publication Critical patent/JP2719065B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C66/80—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
    • 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
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/567—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined
    • B29C65/568—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined using a swaging operation, i.e. totally deforming the edge or the rim of a first part to be joined to clamp a second part to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—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
    • B29C66/5324—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length
    • B29C66/53245—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow
    • B29C66/53246—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow said single elements being spouts, e.g. joining spouts to containers
    • B29C66/53247—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow said single elements being spouts, e.g. joining spouts to containers said spouts comprising flanges
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81423—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—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
    • B29C2795/00—Printing on articles made from plastics or substances in a plastic state
    • B29C2795/002—Printing on articles made from plastics or substances in a plastic state before shaping
    • 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
    • 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
    • B29C66/135—Single hemmed joints, i.e. one of the parts to be joined being hemmed in the joint area
    • 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
    • B29C66/73—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
    • B29C66/733—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 optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence
    • B29C66/7336—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 optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being opaque, transparent or translucent to visible light
    • B29C66/73361—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 optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being opaque, transparent or translucent to visible light at least one of the parts to be joined being opaque to visible light
    • 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
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0026—Transparent
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は、ペール缶などとして用
いるプラスチック製容器の嵌込み式注ぎ口及び該嵌込み
式注ぎ口の溶着に用いる超音波溶着機用ホーンに関す
る。
【０００２】
【従来の技術】従来、ペール缶などとして用いられてい
るプラスチック製容器は、通常、容器内に充填されてい
る油などの内容物の劣化を防ぐため、容器内へ紫外線が
透過しないよう不透明となっている。すなわち、容器を
成形するに際し、プラスチック材の中に白色顔料等を混
入させ、容器全体を不透明にして紫外線を内部まで透過
させないようになっていた。
【０００３】また、ペール缶などの容器における内容物
の注ぎ口として、不使用時は蓋の内部に嵌め込んでお
き、外側に注ぎ口が突出しないようにした嵌込み式の注
ぎ口が特公昭５９−３８１４３号において開示されてい
る。
【０００４】
【発明が解決しようとする課題】紫外線を遮蔽するため
に白色顔料等を混入させ不透明とした従来の容器は、蓋
をしたままの状態では外部から内容物の残量を知ること
ができなかった。このため、容器内に内容物がどのくら
い残っているかを正確に知るためには、いちいち蓋を外
して、容器内をのぞき込まなければならず、管理に手数
を要していた。
【０００５】特公昭５９−３８１４３号における嵌込み
式の注ぎ口は、注ぎ口のシール溝外壁を、金属製のクリ
ンプリングで容器（蓋）の壁開口部にクリンプした構成
となっている。しかしながら、金属製のクリンプリング
を用いて行なう注ぎ口の壁開口部へのクリンプは、構造
上、クリンプした部分の密着性を十分に保つことが難し
く、クリンプした部分からしばしば液漏れを生じるとい
う問題があった。
【０００６】本発明は上記の事情にかんがみてなされた
ものであり、第一の目的は、注ぎ口と容器（蓋）開口部
の接合を確実に行なって、接合部からの液漏れをなくし
た嵌込み式注ぎ口を提供することにある。また、第二の
目的は、嵌込み式注ぎ口を容器開口部に接合するに際
し、両者の接合を好適に行なえるようにした超音波溶着
機用ホーンを提供することにある。
【０００７】
【課題を解決するための手段】上記目的を達成するた
め、請求項１に記載のプラスチック製容器の嵌込み式注
ぎ口は、プラスチック製容器の任意箇所に設けた開口部
に、超音波によって溶着接合したプラスチック材からな
る嵌込み式の注ぎ口であって、前記開口部の外周部分を
両面からフランジ部と溶着部で挟持するとともに、該溶
着部を前記開口部の外周側に押し倒した構造としてあ
る。また、請求項２に記載の嵌込み式注ぎ口の超音波溶
着に用いる超音波溶着機用ホーンは、嵌込み式注ぎ口
を、容器の開口部に超音波溶着する際に用いる超音波 溶
着機用ホーンの先端面に、注ぎ口の溶着部を押圧する縦
断面が曲面状のリング溝を形成し、かつ該リング溝の内
径を溶着前の溶着部内径と同じかやや小さくしたことを
特徴とする嵌込み式注ぎ口の溶着に用いる超音波溶着機
用ホーン。
【０００８】
【実施例】以下、本発明の実施例について詳細に説明す
る。図１は、本発明の嵌込み式注ぎ口を取り付けるプラ
スチック製容器の一実施例の正面図を示している。この
容器は胴部１と蓋部２からなっており、通常は胴部１に
蓋部２を螺合あるいは嵌合して用いる。本実施例の場
合、胴部１のみ透明に成形し、蓋部２は白色顔料などを
混入させて不透明に成形してある。これは、容器内の内
容物残量を確認するには、蓋部２まで透明にする必要性
が低いからである。胴部１を成形するプラスチックの材
質は、容器の使用目的に応じて適宜選択して用いればよ
く、例えば容器をペール缶として使用する場合には、ポ
リエチレン，ポリプロピレン又はこれらの重合体等のプ
ラスチックを用いる。また、容器（胴部１及び蓋部２）
の成形方法も、容器の形状，サイズなどに応じ、射出成
形，中空成形等各種の成形方法を採用する。
【０００９】本実施例のプラスチック製容器は、透明に
した胴部１に印刷が施してある。この印刷は、胴部１に
直接行なってもよく、また薄い印刷フィルム等を貼り付
けたものであってもよい。印刷部分１ａの胴部全体に占
める割合いは、内容物の種類及び印刷用インキの色（紫
外線遮蔽率）によって異なるが、例えば内容物が油（機
械油，潤滑油，切削油等）であって、紫外線遮蔽率の高
い青緑系統のインキを用いた場合には、胴部１の底を除
いた６０〜９５％の部分（面積）に印刷を施すことが好
ましく、特に８０〜９０％とするとより好ましい。印刷
を施した面積を６０％未満にすると、内容物の劣化が早
く、逆に９５％を超えると内容物の確認が困難になる。
なお、印刷内容として目盛を付けると、内容物の残量
を、外部から正確に知ることができる。また、本明細書
においてインキとは、ペイント等を含んだ意味で用いて
いる。
【００１０】本実施例と、従来例及び参考例の実験結果
を以下に示す。 条件 実施例：容器の材料としてポリエチレンを用いた。 胴部の底を除いた８５％に青色のインキで印刷を施し
た。 従来例：容器の材料としてポリエチレンを用いた。 成形時に材料中に白色顔料を混入し容器全体を不透明と
した。 参考例：容器の材料としてポリエチレンを用いた。 胴部に印刷をしなかった。 上記条件下における、各容器の紫外線（３００〜３８０
ｎｍ）の遮蔽率は 実施例 ８０％ 従来例 ８０％ 参考例 １０％ であった。これにより、本実施例の容器によれば、内容
物を十分確認できる８５％の印刷で、従来と同じ紫外線
遮蔽率を有することが判明した。
【００１１】図２（ａ），（ｂ）は、本発明の嵌込み式
注ぎ口の一実施例の断面図を示す。この注ぎ口は上述し
たプラスチック製容器の蓋２に設けられており、図２
（ａ）は注ぎ口が蓋２の開口部に嵌め込まれている状
態、図２（ｂ）は注ぎ口が蓋２の開口部より引き出され
ている状態を示す。本実施例の嵌込み式注ぎ口は、全体
がポリエチレンなどのプラスチックによって成形されて
おり、先端の注入口１１と、この注入口１１と連続する
首部１３、及びこの首部１３と連続するフランジ部１４
並びに溶着部１５を一体的に有している。注入口１１の
外周壁にはねじ１１ａが形成してあり、ここにキャップ
１２が着脱自在に螺合する。首部１３は注入口１１とほ
ぼ同径の部分と、注入口１１より大径で該注入口１１の
嵌入可能な部分とからなっており、かつ肉厚を薄くする
ことによって長手方向に可撓性を有する構造としてあ
る。
【００１２】フランジ部１４と溶着部１５は、両者が一
体となって注ぎ口を蓋２の開口部２ａに接合するための
ものである。フランジ部１４は開口部２ａの径より大き
い外径を有し、溶着部１５も溶着後は開口部２ａの径よ
り大きい外径を有し、両者１４，１５で開口部２ａの外
周部分を両面から挾着しつつ溶接してある。すなわち、
嵌込み式注ぎ口は、蓋２の開口部２ａに溶接接合されて
おり、十分な接合強度を有するとともに、接合部の十分
なシール性を確保した状態となっている。ここで、開口
部２ａと溶着部１５の関係は、溶着前の溶着部１５の長
さが２〜６０ｍｍ、好ましくは５〜４０ｍｍであり、開
口部２ａの内径と溶着部１５の隙間ｓを０．１〜１０ｍ
ｍ，好ましくは１〜６ｍｍとしてある。溶着前の溶着部
１５の長さが２ｍｍ未満であると溶着が不完全となりや
すく、６０ｍｍを超えると後述する溶着機用ホーン２０
の溝２１内で溶けるプラスチックの量が多すぎて溶着効
率が著しく劣る。また、開口部２ａの内径と溶着部１５
の隙間ｓが０．１ｍｍ以下であると開口部２ａへの注ぎ
口の嵌入が難しくなり１０ｍｍを超えると、溶着が不完
全となりやすくなる。なお、容器の使用目的に応じて、
嵌込み式の注ぎ口を胴部１に接合することも可能であ
る。
【００１３】上述のキャップ１２は、嵌込まれた注ぎ口
を引き出しやすくするためのグリップ１２ａを折畳み自
在に有し、かつその外径は注ぎ口を嵌め込んだときにフ
ランジ部１４と重なるようにするため、ほぼフランジ部
の外径と同じとしてある。
【００１４】十分な接合強度とシール性を有した状態
で、注ぎ口を蓋２の開口部２ａに接合するには、図３に
示すように、蓋２の開口部２ａに注ぎ口の溶着部１５を
嵌合し、溶着機用ホーン２０でこの溶着部１５を外側に
押し倒しながら超音波溶着することが好ましい。溶着機
用ホーン２０の先端面には、縦断面が曲面状のリング溝
２１が形成してあり、この溝２１は、幅Ｗを１〜１０ｍ
ｍ，深さＨを０．５〜５ｍｍとすることが好ましい。ま
た、溝２１の内径を、溶着前の溶着部の内径と同じかや
や小さくすると、溶着部１５が溝２１の曲面にガイドさ
れて外側に確実に押し倒される。この溶着機用ホーン２
１は、超音波振動子（図示せず）に接続して使用され
る。なお、溝２１の縦断面における曲面は、円弧状だけ
でなく多角面としたものであってもよい。
【００１５】この溶着機用ホーン２０の材質は、超音波
によって溶融したり変質したりしないものであれば、特
に限定されずアルミニウム合金などが用いられる。ま
た、溶着時、溶着機用ホーン２０が溶着部１５に加える
圧力は１〜５Ｋｇ／ｃｍ2 とすることが好ましく、これ
以上強いと溶着部１５が折れたりつぶれたりし、また弱
いと蓋２と溶着部１５の接合が不十分となり、いずれに
しても接合強度とシール性の点で問題がある。
【００１６】一方、超音波溶着機２１は、溶着部１５の
外周方に位置する筒形となっており、発生する超音波は
１６〜２５ＫＨｚ、通常２０ＫＨｚとしてあり、溶着時
間は３〜４秒としてある。上述した溶着機用ホーン２０
を所定の圧力で押し付けながら、２０ＫＨｚ程度の超音
波を３〜４秒加えると、突出していた溶着部１５は外側
に押し曲げられた状態で開口部周縁の蓋２に溶着する。
【００１７】
【発明の効果】以上のように、本発明のプラスチック製
容器の嵌込み式注ぎ口によれば、注ぎ口接合部からの内
容物の漏洩を防止することができるとともに、注ぎ口が
開口部から外れてしまうことを防止できる。 また、本発
明の嵌込み式注ぎ口の溶着に用いる溶着機用ホーンによ
れば、容器への注ぎ口の溶着を容易かつ確実に行なうこ
とができる。
【図面の簡単な説明】
【図１】本発明の嵌込み式注ぎ口を取り付けるプラスチ
ック製容器の一実施例の正面図。
【図２】本発明嵌込み式注ぎ口の一実施例の拡大断面図
で、同図（ａ）は注入口を嵌め込んだ状態を示し、同図
（ｂ）は注入口を引き出した状態を示す。
【図３】本発明溶着機用ホーンの一実施例を用いて注ぎ
口を溶着する状態の説明図。
【符号の説明】
１ 胴部 １ａ 印刷部 ２ 蓋部（蓋） ２ａ 開口部 １１ 注入口 １２ キャップ １３ 首部 １４ フランジ部 １５ 溶着部 ２０ 溶着機用ホーン ２１ リング溝

Claims (2)

    (57)【特許請求の範囲】
  1. 【請求項１】 プラスチック製容器の任意箇所に設けた
    開口部に、超音波によって溶着接合したプラスチック材
    からなる嵌込み式の注ぎ口であって、 前記開口部の外周部分を両面からフランジ部と溶着部で
    挟持するとともに、該溶着部を前記開口部の外周側に押
    し倒した構造としたことを特徴とする嵌込み式注ぎ口。
  2. 【請求項２】 嵌込み式注ぎ口を、容器の開口部に超音
    波溶着する際に用いる超音波溶着機用ホーンの先端面
    に、注ぎ口の溶着部を押圧する縦断面が曲面状のリング
    溝を形成し、かつ該リング溝の内径を溶着前の溶着部内
    径と同じかやや小さくしたことを特徴とする嵌込み式注
    ぎ口の溶着に用いる超音波溶着機用ホーン。
JP3360745A 1991-12-27 1991-12-27 プラスチック製容器の嵌込み式注ぎ口及び該嵌込み式注ぎ口の溶着に用いる超音波溶着機用ホーン Expired - Lifetime JP2719065B2 (ja)

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JP3360745A JP2719065B2 (ja) 1991-12-27 1991-12-27 プラスチック製容器の嵌込み式注ぎ口及び該嵌込み式注ぎ口の溶着に用いる超音波溶着機用ホーン

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3360745A JP2719065B2 (ja) 1991-12-27 1991-12-27 プラスチック製容器の嵌込み式注ぎ口及び該嵌込み式注ぎ口の溶着に用いる超音波溶着機用ホーン

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JP2719065B2 true JP2719065B2 (ja) 1998-02-25

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994011531A1 (en) * 1992-11-13 1994-05-26 California Institute Of Biological Research Identification of neoplasms by detection of genetic insertions and deletions

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59112741U (ja) * 1983-01-19 1984-07-30 武内プレス工業株式会社 透明窓付きチユ−ブ
JPS59145112A (ja) * 1983-02-08 1984-08-20 Brother Ind Ltd 超音波ウェルダ−による部材連結固定装置
JPS61197223A (ja) * 1985-02-27 1986-09-01 Toyota Motor Corp 異種合成樹脂材料の接合方法
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