JP6850087B2 - 縦型充填包装機、該縦型充填包装機の横シール装置、および包装袋入り液体製品の製造方法 - Google Patents
縦型充填包装機、該縦型充填包装機の横シール装置、および包装袋入り液体製品の製造方法 Download PDFInfo
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- JP6850087B2 JP6850087B2 JP2016148480A JP2016148480A JP6850087B2 JP 6850087 B2 JP6850087 B2 JP 6850087B2 JP 2016148480 A JP2016148480 A JP 2016148480A JP 2016148480 A JP2016148480 A JP 2016148480A JP 6850087 B2 JP6850087 B2 JP 6850087B2
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- horn
- tubular film
- anvil
- sealing device
- film
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Classifications
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- 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
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- 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
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
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- 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
- B29C65/7858—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 characterised by the feeding movement of the parts to be joined
- B29C65/7888—Means for handling of moving sheets or webs
- B29C65/7891—Means for handling of moving sheets or webs of discontinuously moving sheets or webs
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- 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
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- B29C66/0326—Cutting, e.g. by using waterjets, or perforating
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- 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
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- B29C66/112—Single lapped joints
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- 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
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- B29C66/133—Fin-type joints, the parts to be joined being flexible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/23—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations
- B29C66/232—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations said joint lines being multiple and parallel, i.e. the joint being formed by several parallel joint lines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- 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
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- 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
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- 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
- B29C66/4322—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 by joining a single sheet to itself
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- 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
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- 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
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- 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
- B29C66/81435—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 comprising several parallel ridges, e.g. for crimping
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- 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
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- 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
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
- B29K2705/02—Aluminium
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Package Closures (AREA)
- Closing Of Containers (AREA)
Description
縦方向に送られ下端が閉じられ上端が開口したチューブ状フィルムの中に製品を投入する投入パイプと、
投入パイプにおける前記製品の出口の下方に配置され、チューブ状フィルムの製品が存在する部分を挟み込みつつチューブ状フィルムの下方への送りに伴って回転することでチューブ状フィルムに扁平部を形成する一対のシゴキローラと、
一対のシゴキローラの下方に配設され、チューブ状フィルムの扁平部の横方向全幅に亘って、チューブ状フィルムを構成する互いに対向するフィルム同士を超音波振動で溶着して横シール部を形成する横シール装置と、を備える。横シール装置は、超音波振動子を内蔵しチューブ状フィルムの横方向に延びるホーンと、ホーンを受けるアンビルと、を備えている。アンビルはチューブ状フィルムを間においてホーンと対向配置され、ホーンから離間する方向およびホーンに当接する方向に移動可能である。ホーンのアンビルとの対向面は平らな面である。アンビルのホーンとの対向面は線状に延びる複数の凸条部と、複数の凸条部で囲まれた複数の凹部と、を有している。凹部の底部は平面であり、凹部の底部と凹部の側面とは鈍角をなす。
1a 折り曲げ部
1b 重ね合わせ部
1d 縦シール部
1e 横シール部
1f 第一のフィルム
1g 第二のフィルム
2 製袋ガイド
3、4 縦シール装置
3a、3b、4a、4b ブロック
5A、5B ガイドローラ
6 シゴキローラ
7A、7B 送りローラ
8 投入パイプ
9 横シール装置
9a ブロック(ホーン)
9b ブロック(アンビル)
9b’ アンビルの対向面
10 切断装置
10a、10b ブロック
11 パンチ
12 扁平部
13 領域
13a 第一の領域
13b 第二の領域
14 凹条部
15 凸条部
15a 第一の凸条部
15b 第二の凸状部
15c 当接面
15d 第一の凸条部
15e 第二の凸条部
15f、15g 当接面
17 凹部
Claims (10)
- 縦方向に送られ下端が閉じられ上端が開口したチューブ状フィルムの中に製品を投入する投入パイプと、
前記投入パイプの前記製品の出口の下方に配置され、前記チューブ状フィルムの前記製品が存在する部分を挟み込みつつ該チューブ状フィルムの下方への送りに伴って回転することで前記チューブ状フィルムに扁平部を形成する一対のシゴキローラと、
前記一対のシゴキローラの下方に配設され、前記チューブ状フィルムの前記扁平部の横方向全幅に亘って、前記チューブ状フィルムを構成する互いに対向するフィルム同士を超音波振動で溶着して横シール部を形成する横シール装置と、を備え、
前記横シール装置は、超音波振動子を内蔵し前記チューブ状フィルムの横方向に延びるホーンと、前記ホーンを受けるアンビルと、を備え、前記アンビルは前記チューブ状フィルムを間において前記ホーンと対向配置され、前記ホーンから離間する方向および前記ホーンに当接する方向に移動可能であり、
前記ホーンの前記アンビルとの対向面は平らな面であり、前記アンビルの前記ホーンとの対向面は線状に延びる複数の凸条部と、前記複数の凸条部で囲まれた複数の凹部と、を有し、前記凹部の底部は平面であり、前記凹部の前記底部と前記凹部の側面とは鈍角をなす、縦型充填包装機。 - 前記複数の凸条部は格子状に形成されている、請求項1に記載の縦型充填包装機。
- 前記凸条部の前記チューブ状フィルムを挟んで前記ホーンに当接させられる当接面は平坦な面である、請求項1または2に記載の縦型充填包装機。
- 前記横シール装置の下方に配設され、前記横シール部を横方向全幅に渡って切断する切断装置を有し、
前記アンビルの前記対向面は前記複数の凸条部が形成された領域を前記チューブ状フィルムの送り方向と交差する方向に分断する凹条部を有し、
前記切断装置は前記凹条部で分断された両側の前記領域を切断部として前記横シール部を帯状に切断する、請求項1から3のいずれか1項に記載の縦型充填包装機。 - 前記ホーンは20〜40kHzの周波数で振動する、請求項1から4のいずれか1項に記載の縦型充填包装機。
- 縦方向に送られ下端が閉じられ上端が開口したチューブ状フィルムの中に製品を投入する投入パイプと、
前記投入パイプの前記製品の出口の下方に配置され、前記チューブ状フィルムの前記製品が存在する部分を挟み込みつつ該チューブ状フィルムの下方への送りに伴って回転することで前記チューブ状フィルムに扁平部を形成する一対のシゴキローラと、
前記一対のシゴキローラの下方に配設され、前記チューブ状フィルムの前記扁平部の横方向全幅に亘って、前記チューブ状フィルムを構成する互いに対向するフィルム同士を超音波振動で溶着して横シール部を形成する横シール装置と、を備えた縦型充填包装機の前記横シール装置であって、
超音波振動子を内蔵し前記チューブ状フィルムの横方向に延びるホーンと、前記ホーンを受けるアンビルと、を備え、前記アンビルは前記チューブ状フィルムを間において前記ホーンと対向配置され、前記ホーンから離間する方向および前記ホーンに当接する方向に移動可能であり、
前記ホーンの前記アンビルとの対向面は平らな面であり、前記アンビルの前記ホーンとの対向面は線状に延びる複数の凸条部と、前記複数の凸条部で囲まれた複数の凹部と、を有し、前記凹部の底部は平面であり、前記凹部の前記底部と前記凹部の側面とは鈍角をなす、横シール装置。 - 前記複数の凸条部は格子状に形成されている、請求項6に記載の横シール装置。
- 前記凸条部の前記チューブ状フィルムを挟んで前記ホーンに当接させられる当接面は平坦な面である、請求項6または7に記載の横シール装置。
- 前記ホーンは20〜40kHzの周波数で振動する、請求項6から8のいずれか1項に記載の横シール装置。
- 製品が充填された包装袋を製造する方法であって、
縦方向に送られ下端が閉じられ上端が開口したチューブ状フィルムの中に製品を投入する工程と、
前記チューブ状フィルムの前記製品が存在する部分を一対のローラで挟み込みつつ、該チューブ状フィルムを下方へ送ることで、前記製品が投入された前記チューブ状フィルムに扁平部を形成する工程と、
前記チューブ状フィルムの前記扁平部の横方向全幅に亘って、横シール装置によって、前記チューブ状フィルムを構成する互いに対向するフィルム同士を超音波振動で溶着して横シール部を形成する工程と、を含み、
前記横シール装置は、超音波振動子を内蔵し前記チューブ状フィルムの横方向に延びるホーンと、前記ホーンを受けるアンビルと、を備え、前記アンビルは前記チューブ状フィルムを間において前記ホーンと対向配置され、前記ホーンから離間する方向および前記ホーンに当接する方向に移動可能であり、
前記ホーンの前記アンビルとの対向面は平らな面であり、前記アンビルの前記ホーンとの対向面は線状に延びる複数の凸条部と、前記複数の凸条部で囲まれた複数の凹部と、を有し、前記凹部の底部は平面であり、前記凹部の前記底部と前記凹部の側面とは鈍角をなす、包装袋入り液体製品の製造方法。
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