JPH0375401B2 - - Google Patents

Info

Publication number
JPH0375401B2
JPH0375401B2 JP57219685A JP21968582A JPH0375401B2 JP H0375401 B2 JPH0375401 B2 JP H0375401B2 JP 57219685 A JP57219685 A JP 57219685A JP 21968582 A JP21968582 A JP 21968582A JP H0375401 B2 JPH0375401 B2 JP H0375401B2
Authority
JP
Japan
Prior art keywords
packaging materials
packaging
packaging material
manufacturing
ultrasonic vibration
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
JP57219685A
Other languages
English (en)
Other versions
JPS59115206A (ja
Inventor
Shoji Fukushima
Takashi Mochizuki
Genzaburo Kato
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.)
Pola Orbis Holdings Inc
Original Assignee
Pola Chemical Industries Inc
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 Pola Chemical Industries Inc filed Critical Pola Chemical Industries Inc
Priority to JP57219685A priority Critical patent/JPS59115206A/ja
Publication of JPS59115206A publication Critical patent/JPS59115206A/ja
Publication of JPH0375401B2 publication Critical patent/JPH0375401B2/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
    • B29C65/081—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations having a component of vibration not perpendicular to the welding surface
    • 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
    • B29C65/083—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil
    • B29C65/085—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil using a rotary sonotrode
    • 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
    • B29C66/03—After-treatments in the joint area
    • B29C66/032—Mechanical after-treatments
    • B29C66/0326—Cutting, e.g. by using waterjets, or perforating
    • 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
    • B29C66/345—Progressively making the joint, e.g. starting from the middle
    • B29C66/3452—Making complete joints by combining partial 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • 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
    • B29C66/81415—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 bevelled
    • B29C66/81419—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 bevelled and flat
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives
    • 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
    • B29C66/8324—Joining or pressing tools pivoting around 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
    • B29C66/80—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
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
    • 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
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • B29C66/8362—Rollers, cylinders or drums moving relative to and tangentially to 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
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/841—Machines or tools adaptable for making articles of different dimensions or shapes or for making joints of different dimensions
    • B29C66/8412—Machines or tools adaptable for making articles of different dimensions or shapes or for making joints of different dimensions of different length, width or height
    • B29C66/84121—Machines or tools adaptable for making articles of different dimensions or shapes or for making joints of different dimensions of different length, width or height of different width
    • 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
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B29C66/8491—Packaging machines welding through a filled container, e.g. tube or bag
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/009—Shaping techniques involving a cutting or machining operation after 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
    • B29C66/70—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Package Closures (AREA)

Description

【発明の詳細な説明】 ［産業上の利用分野］ 本発明は包装物の製造方法、殊に超音波振動に
よる溶着を利用して包装用の袋を形成し、そこへ
内容物を充容する操作を繰返すことによる包装物
の製造方法に関するものである。
［従来技術と問題点］ 内面に熱接着性を有する包材を重ね合わせて開
放側縁に縦熱接着部を形成するとともに超音波振
動により横熱接着部を形成し、前記縦、横の熱接
着部に囲まれた包材間に内容物を充容する包装物
の製造方法が例えば特開昭56−4529号公報、実願
昭54−29068号（実開昭55−129605号）のマイク
ロフイルムなどに提示されている。
即ち、この製造方法は互いに重ね合わせた包材
の横方向の接着部に高周波の機械的な振動を与え
て摩擦熱を発生させ、この摩擦熱により包材の内
面を溶融して包材を互いに接着することにより内
容物を充容するための袋を形成するものである。
従つて、高温の加熱用押型を用いることなく溶着
を行なうことができるため、比較的厚手の外層材
を有する包材或いは中間に金属箔が積層されてい
る包材なども強固に且つ迅速にしかも容易に溶着
することが可能であるばかりか、溶着の際に加え
られる高熱による包材の変形や損傷などがなく、
また、溶着熱によつて内容物が変質、劣化するこ
ともないなど多くの利点を有している。
ところが、前記従来の製造方法は包材を押圧板
と協同して挟持する振動端子に加えられる超音波
振動を包材の表面に対して直角方向に加えるもの
である。そのため横の熱接着予定箇所に粉体や年
稠物などの内容物が付着し或るいはそれよりも上
方まで充容されているとき、これらを上方ならび
に下方へ移動させる力が殆ど働かないので完全に
排除することができず、これらが熱接着部に残存
して接着不良による内容物の漏洩、熱接着部の剥
離による破袋などが生じるという問題がある。
本発明は斯る問題点を解決するためになされた
ものであつて、超音波振動を利用して従来と同様
に溶着が迅速且つ確実に行われると同時に包材な
らびに内容物に溶着熱による劣化を生じさせない
ことは勿論のこと、内容物が熱接着予定箇所に存
在していてもこれを完全に排除して良好な熱接着
部が形成できる包装物の製造方法を提供すること
を目的とするものである。
［問題点を解決するための手段］ 本発明は、内面に熱接着性を有する帯状包材を
重ね合わせて縦方向へ間欠的に移送させ、移送時
に前記包材の開放側縁に縦熱接着部を形成すると
ともに、停止時に超音波振動により横熱接着部を
形成し、前記縦、横の熱接着部に囲まれた包材間
に内容物を充容する操作を繰返す包装物の製造方
法が有している前記問題点を解決するため前記超
音波振動を前記包材に対して斜め方向に加えるよ
うにした。
即ち、包材に直角方向の超音波振動を加えると
向かい合つた包材を単純に圧着するだけであるの
できわめて良好な熱接着部を形成することができ
る。一方、接着予定箇所に存在している内容物を
上方ならびに下方へ移動させてには包材に平行な
方向の超音波振動を加えればよいが、平行な方向
へ振動を加えると超音波発生装置の摩擦熱発生部
分である振動端子ならびに押圧板とこれらに挟持
されている包材との間に滑りが発生して接着予定
箇所への振動の伝達が充分に行われない。そのた
め、接着面において接着に必要な摩擦熱が充分に
発生しないため接着不良を生じるとともに包材が
ささくれ、裂開などの損傷を受けやすいという不
都合がある。
従つて、本発明ではこれらの長所を生かし短所
を最小限にとどめるため斜め方向の超音波振動を
加えることとしたものである。
尚、斜めの角度は包材の表面に対して10〜30度
の範囲とするのがよい。
［作用］ 超音波振動が包材に対して斜め方向に加えられ
たとき、熱接着予定箇所に存在している内容物は
包材に対して平行な振動成分により上方ならびに
下方へ移動させて上方の包装材内ならびに下方の
包装物内に入り除去される。また、同時に加えら
れる包材に対して直角な振動成分により接着面に
摩擦熱を発生させるとともに包材に対して平行な
振動成分により生じる滑りを減少させる。
［実施例］ 次に本発明を図面に示す実施例に基づいて詳細
に説明する。
第１図乃至第４図は本発明を実施するための製
造装置の一例を示すものであり、帯状の包材１，
２は厚さ20〜50μのエチレン酢酸ビニル共重合体
を15〜30重量％添付したポリエチレン、ポリ塩化
ビニルなどの熱接着性を有する合成樹脂膜と、ア
ルミニウム箔、ポリエステルフイルム、ポリアミ
ドフイルム、伸延ポリプロピレンフイルムなどの
単体或いはこれらの積層体とが重ね合わされて内
面が熱接着性を有する構成である。そして、これ
らの包材１，２を重ね合わせて縦下方向へ送るた
めの一対の回転ローラ３５，３６が配置されてい
るとともにその下方には包材１，２の開放側縁
６，７を連続して熱接着するための電熱線などの
加熱体を内装した一対の回転加熱ローラ１０，１
１からなる熱接着装置１２、適宜の駆動機構によ
つて間欠的に回転して包材１，２を間欠的に下方
へ移送する間欠移送装置５、回転式のカツタ３２
が順に具えられている。
また、熱接着装置１２と間欠移送装置５との間
には超音波発生装置１５が配置されている。この
超音波発生装置１５は発振器２２、増幅器２３、
振動子２４、ホーン部２５、振動端子２６からな
り、これらは包材１，２の表面に対して10〜30度
の角度を持つて配置されているとともに、支持杆
１６に回動装置１８を有する支持腕１７を介して
回動自在に装着されている。回動装置１８は機枠
Ａに固定されたシリンダ１９、ピストン２０、連
結杆２１とからなり、ピストン２０の往復動によ
り超音波発振装置１５を支持杆１６を中心として
回動させるものである。そして、振動端子２６は
包材１，２の横熱接着位置に配置されているとと
もに包材１，２を挟んだ反対側には機枠Ａに設置
した押圧板３０が配置されている。振動端子２６
は台形に作られ、第３，４図に示すように両側面
が押圧面２８，２９を形成している。また、図面
中符号１４は重ね合わせた包材１，２間に挿入し
て振動端子２６の少し上方に下向きの開口部１３
を位置させた内容物の充填ノズルである。
かかる製造装置を用いて本発明を実施するに
は、先ず、回動装置１８を作動させて支持杆１６
を中心として回動させて振動端子２６を押圧板３
０より充分に退避させた状態とし、重ね合わされ
た包材１，２を間欠移送装置５によつて縦方向へ
間欠的に移送させる。そして、移送時に、包材
１，２の開放側縁６，７を熱接着装置１２によつ
て連続的に熱接着して縦熱接着部８，９を形成す
る。
そして、縦熱接着部８，９が押圧板３０の下部
に達したときに間欠移送装置５を停止させ、停止
時に回動装置１８を作動させて超音波発振装置１
５を支持杆１６を中心として回動させ振動端子２
６と押圧板３０とで包材１，２を挟圧するととも
に超音波発振装置１５に通電して包材１，２に斜
め方向の超音波振動を与えて包材１，２の内面に
配置されている熱接着層を溶融し、互いに接着さ
せて横熱接着部３１を形成する。次に再び回動装
置１８を作動させて振動端子２６を押圧板３０よ
り充分に退避させた状態とし、重ね合わされた包
材１，２を間欠移送装置５によつて縦方向へ間欠
的に所定の長さだけ移送させ、この間に充填ノズ
ル１４により縦接着部８，９ならびに横接着部３
１により囲まれた包材１，２の部分、即ち包装用
の袋部分に内容物を充容する。このとき、内容物
は上端面が熱接着装置１２よりも下位であるとと
もに押圧板３０よりも上位であるようにする。そ
して、回動装置１８を作動させて超音波発振装置
１５を支持杆１６を中心として回動させ振動端子
２６と押圧板３０とで包材１，２を挟圧するとと
もに超音波発振装置１５に通電して包材１，２に
斜め方向の超音波振動を与えて包材１，２の熱接
着予定箇所に付着している内容物を上方の包材
１，２ならびに下方の包装物３３内に移動させる
ことで取り除きながら内面に配置されている熱接
着層を溶融し、互いに接着させて横熱接着部３１
を形成する。
このように、前記操作を繰返して連続している
包装物３３とし、必要であればカツタ３３により
横熱接着部３１を中央部で切断して包装物単体３
４とする。
尚、本実施例では振動端子２６は互いに対向す
る一対の押圧面２８，２９を有しており、一方が
磨耗した場合にはホーン部２５を180度回転して
もう一方を使用することができる。
第５図は本発明を実施するための異なる製造装
置例を示すものであり、全体の構成は前記第１図
に示した実施例とほぼ同様であるが、押圧板３０
が機枠Ａに固定したシリンダ３５に嵌挿されたピ
ストン３６が嵌挿された進退装置３７のピストン
３６に連結されている点が異なる。従つて、前記
第１図に示した実施例のように超音波発生装置１
５を回動させることなく進退装置３７によつて押
圧板３０を直線動により大きく進退させて包材
１，２を振動端子２６と協動し挟圧するものであ
り、超音波発生装置１５を回動させる必要がなく
操作が簡単である。
第６図は本発明を実施するための更に異なる製
造装置例を示すものであり、全体の構成は前記製
造装置例とほぼ同様であるが、前記第１図に示し
た実施例のように超音波発生装置１５が回動装置
１８を具えているとともに前記第５図に示した製
造装置例のように押圧板３０が進退装置３７に連
結されている。従つて、回動装置１８による超音
波発生装置１５の回動或いは進退装置３７による
押圧板３０の進退、更にはそれらのそれらを同時
に行なつて包材１，２を振動端子２６と押圧板３
０とによつて挟圧するものである。
［発明の効果］ 以上の構成を有する本発明によれば、超音波振
動が熱接面に対して斜め方向に加えられるため、
充容の際に内容物が熱接着予定箇所に付着したと
しても、これらの内容物は接着面に対して平行な
振動成分によりきわめて容易に上方とならびに下
方へ移動して接着面から排除され同時に加えられ
る溶着面に対して直角な振動成分により接着面に
摩擦熱を有効に発生させるとともに接着面に対し
て平行な振動成分により生じる滑りを減少させ
る。
従つて、接着が迅速且つ確実で、包材ならびに
内容物に溶着熱による変質や劣化を生じさせない
ことは勿論のこと内容物が残存していない、完全
な接着が行なえ、また、振動端子などの機器の発
熱や損傷、滑りによる不快な高音の発生などもな
い。殊に熱接着箇所よりも上方まで粉体などの内
容物を充填した状態であつても超音波振動によつ
て熱接着箇所から下方へ突き固めるように落着か
せて接着が可能であり、内容物を少なめに充容す
るだけでなく〓間なく充容した包装物を製造する
こともできるという利点がある。
【図面の簡単な説明】
図面は本発明を実施するための装置の一例を示
すものであり、第１図は側面図、第２図は一部を
切截した包材の正面図、第３図は振動端子の側面
拡大図、第４図は振動端子の底面図、第５図なら
びに第６図は本発明を実施するための異なる製造
装置例を示すものである。 １，２……包材、８，９……縦熱接着部、２６
……振動端子、３０……押圧板、３１……横熱接
着部。

Claims (1)

    【特許請求の範囲】
  1. １ 内面に熱接着性を有する帯状包材を重ね合わ
    せて縦方向へ間欠的に移送させ、移送時に前記包
    材の開放側縁に縦熱接着部を形成するとともに、
    停止時に超音波振動により横熱接着部を形成し、
    前記縦、横の熱接着部に囲まれた包材間に内容物
    を充容する操作を繰返す包装物の製造方法におい
    て、前記超音波振動が前記包材に対して斜め方向
    に加えられることを特徴とする包装物の製造方
    法。
JP57219685A 1982-12-15 1982-12-15 包装物製造装置 Granted JPS59115206A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57219685A JPS59115206A (ja) 1982-12-15 1982-12-15 包装物製造装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57219685A JPS59115206A (ja) 1982-12-15 1982-12-15 包装物製造装置

Publications (2)

Publication Number Publication Date
JPS59115206A JPS59115206A (ja) 1984-07-03
JPH0375401B2 true JPH0375401B2 (ja) 1991-12-02

Family

ID=16739361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57219685A Granted JPS59115206A (ja) 1982-12-15 1982-12-15 包装物製造装置

Country Status (1)

Country Link
JP (1) JPS59115206A (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS564529A (en) * 1979-06-06 1981-01-17 Niepmann Ag Apparatus for packing liquid* slurry or solid with tubular foil

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5822893Y2 (ja) * 1979-03-07 1983-05-16 三菱重工業株式会社 カ−トン容器の超音波シ−ル装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS564529A (en) * 1979-06-06 1981-01-17 Niepmann Ag Apparatus for packing liquid* slurry or solid with tubular foil

Also Published As

Publication number Publication date
JPS59115206A (ja) 1984-07-03

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