JP5286421B2 - 包装装置 - Google Patents
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 86
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 39
- 230000032258 transport Effects 0.000 claims description 66
- 230000008859 change Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 2
- 230000036544 posture Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
- B65B9/08—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it in a web folded and sealed transversely to form pockets which are subsequently filled and then closed by sealing
- B65B9/087—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it in a web folded and sealed transversely to form pockets which are subsequently filled and then closed by sealing the web advancing continuously
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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
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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
- B29C65/18—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
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
- B29C65/745—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool
- B29C65/7451—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool the severing tool and the welding tool being movable with respect to one-another
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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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- 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
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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
- 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
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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
- B29C66/345—Progressively making the joint, e.g. starting from the middle
- B29C66/3452—Making complete joints by combining partial 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
- B29C66/40—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
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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
- B29C66/431—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
- B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
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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
- B29C66/80—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
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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
- B29C66/80—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
- B65B39/14—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers movable with a moving container or wrapper during filling or depositing
- B65B39/145—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers movable with a moving container or wrapper during filling or depositing in an endless path
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
- B65B43/52—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using roller-ways or endless conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
- B65B51/146—Closing bags
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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
- B29C66/80—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
- B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
- B29C66/83541—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement
- B29C66/83543—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement cooperating flying jaws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7128—Bags, sacks, sachets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
- B65B39/12—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers movable towards or away from container or wrapper during filling or depositing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
Description
搬送装置は、一対の無端走行体と、該無端走行体に定間隔で設けられたピンチ部材とを有し、一対の無端走行体の対応ピンチ部材同士が開口袋を該開口袋の縁部で挟圧保持するようになっており、上記無端走行体が半折りフィルム形成装置での走行速度よりも大なる速度で走行するように設定されており、
充填装置は、ノズル部材が幅シール装置よりも上流位置で半折りフィルムの開放縁内に進入して充填時に上記搬送装置の無端走行体と同速で下流側へ移動し、幅シール装置よりも下流域で開口袋へ内容物の充填を行った後、該ノズル部材が該開口袋から上方へ抜出されるようになっており、
上縁シール装置は、上縁シール時に上記搬送装置の無端走行体と同速で移動して、ノズル部材抜出後の開口袋の上縁両側から挟圧そして離間する一対の挟圧上縁シール部材を有していて上縁シールにより包装体を形成することを特徴としている。
20 幅シール装置
21 挟圧幅シール部材(超音波ホーン)
22 挟圧幅シール部材(アンビル)
23 カッタ部材
30 搬送装置(定速搬送装置)
31 無端走行体
32 ピンチ部材
40 充填装置
45 ノズル部材
50 上縁シール装置
51 挟圧上縁シール部材
60 搬送装置(可変速搬送装置)
61 無端走行体
62 ピンチ部材
91 上流ガイド(ベルト)
92 下流ガイド(ベルト)
(1)原反から引き出された溶着可能面を有する帯状フィルムFは変向ローラ1でその走行方向が横方向へ変えられ、半折りフィルム形成装置10の一対の送りローラ11により半折りフィルムF1として下流側へ定速で送り出される。該半折りフィルムF1は、下縁が折曲縁で上縁が開放縁である。また、半折りフィルムF1は、その溶着可能面同士が対面して形成されている。この半折りフィルムF1は、離間部材12により、開放縁同士が所定間隔dだけ拡げられている。
(2)半折りフィルム形成装置10により開放縁同士が上記所定間隔dだけ拡げられた半折りフィルムF1の該開放縁同士間に、該半折りフィルムF1と同速で移動する充填装置40のノズル部材45が降下進入する。該ノズル部材45は、定速搬送装置30の搬送範囲にまで、この降下位置を保ったまま上記定速搬送装置30の搬送速度と同一速度で下流側へ向け前進する。
(3)半折りフィルムF1は、その定速走行中に、幅シール装置20により、フィルム走行方向で定間隔位置で幅シールされる。この幅シールは、一対の挟圧幅シール部材としての超音波ホーン21とアンビル22によってなされるが、この幅シールと同時にカッタ部材23により、この幅シール領域内で切断されて、上縁が開口された個々の開口袋F2が分離形成される。上記超音波ホーン21とアンビル22は、隣接せる二つのノズル部材45の間に位置するようにして、シール時は該ノズル部材45と同速で前進する。
(4)開口袋F2は、半折りフィルム形成装置10におけるフィルムの送り速度よりも速い搬送速度の定速搬送装置30へ受渡される。したがって、該定速搬送装置30では、開口袋F2はその前縁下部にて、該定速搬送装置30の一対のピンチ部材32により挟圧保持され、搬送中の前後に隣接する開口袋F2同士間に間隔が形成される。この定速搬送装置30の搬送速度と同速で前進するノズル部材45は依然降下位置にあって、上記開口袋F2の中に進入したままとなっている。この進入状態で、充填装置40の定量受給口43A内のシャッタ部材が開状態となり、内容物がノズル部材45を経て開口袋F2内へ供給される。この内容物の供給後、ノズル部材45は上昇して開口袋F2から抜出される。このノズル部材45の抜出後、開口袋F2は、その上縁たる開口縁が上縁シール装置50によりシールされ、包装体F3として形成される。
(5)上記包装体F3は、可変速搬送装置60の搬送速度が低速で定速搬送装置30の搬送速度と同じになったときに、該可変速搬送装置60へ引き渡される。この包装体F3の可変速搬送装置60への引渡し後、該可変速搬送装置60の搬送速度は、高速へ増速され、前後に隣接する包装体F3同士間の距離が拡げられる。
(6)最後に、包装体F3は引渡し装置70により上記可変速搬送装置60から引き取られた後に、次の工程の装置へ引き渡される。
Claims (4)
- 溶着可能面が形成されている帯状フィルムの両側縁を該溶着可能面同士で対面させてフィルムを幅方向に二つ折りし、下縁を折曲縁そして上縁を開放縁とした半折りフィルムを形成しつつ該フィルムの長手方向である横方向に直線走行せしめる半折りフィルム形成装置と、半折りフィルムを該半折りフィルム形成装置から受け取りこれを上記長手方向先方を搬送方向として直線搬送する搬送装置と、上記半折りフィルム形成装置と該搬送装置との間に位置して搬送中の半折りフィルムに対して上記長手方向にて定間隔で幅方向にシールを行なって上縁が開口されている開口袋を形成する幅シール装置と、該幅シール装置よりも下流位置で搬送中の開口袋へノズル部材により内容物を充填する充填装置と、該充填装置よりも下流位置で、搬送中の開口袋の開口縁をシールする上縁シール装置とを有する包装装置において、
幅シール装置は、幅方向のシール時に上記半折りフィルムと同速で移動し、その移動中に該半折りフィルムに対して両側から挟圧する一対の挟圧幅シール部材と、一方の挟圧幅シール部材に支持されたカッタ部材とを有していて、挟圧幅シール部材による幅シールとカッタ部材による幅シール領域内での半折りフィルムの切断を行って個々に分離された開口袋を形成するようになっており、
搬送装置は、一対の無端走行体と、該無端走行体に定間隔で設けられたピンチ部材とを有し、一対の無端走行体の対応ピンチ部材同士が開口袋を該開口袋の縁部で挟圧保持するようになっており、上記無端走行体が半折りフィルム形成装置での走行速度よりも大なる速度で走行するように設定されており、
充填装置は、ノズル部材が幅シール装置よりも上流位置で半折りフィルムの開放縁内に進入して充填時に上記搬送装置の無端走行体と同速で下流側へ移動し、幅シール装置よりも下流域で開口袋へ内容物の充填を行った後、該ノズル部材が該開口袋から上方へ抜出されるようになっており、
上縁シール装置は、上縁シール時に上記搬送装置の無端走行体と同速で移動して、ノズル部材抜出後の開口袋の上縁両側から挟圧そして離間する一対の挟圧上縁シール部材を有していて上縁シールにより包装体を形成することを特徴とする包装装置。 - 搬送装置は、搬送方向にて、幅シール装置に対して後流側に位置し上縁シール装置の位置を含む範囲に及ぶ定速搬送装置と、該定速搬送装置よりも下流側に位置する可変速搬送装置とを有し、定速搬送装置と可変速搬送装置が上記搬送方向で重複域を形成していると共に、上下方向では可変速搬送装置が定速搬送装置よりも上方に位置し、定速搬送装置が開口袋そして上縁シール後の包装体の前端縁を挟持するピンチ部材を、可変速搬送装置が包装体の上縁を挟持するピンチ部材を有し、可変速搬送装置は、包装体が定速搬送装置から該可変速搬送装置へ受渡されるときに、上記定速搬送装置と同一速度で、受渡し後は増速して無端走行体が走行することとする請求項1に記載の包装装置。
- 幅シール装置は、一方の挟圧幅シール部材が超音波ホーンであり、他方の挟圧幅シール部材が上記超音波ホーンに対して圧せられるアンビルであり、カッタ部材が幅シール領域内の位置で超音波ホーンに向けて付勢された状態でアンビルにより支持されていることとする請求項1に記載の包装装置。
- 半折りフィルム形成装置は半折りフィルムの下縁を走行ガイドする上流ガイドを有し、搬送装置は該上流ガイドよりも下流側で開口袋と包装体の少なくとも開口袋の下縁を走行ガイドする下流ガイドを有し、幅シール装置は、非シール時には一対の挟圧幅シール部材が離間した状態で上流側の原位置へ戻るように設定されており、上流ガイドと下流ガイドは、上流ガイドの下流端と下流ガイドの上流端が幅シール装置に対して近接して位置し該幅シール装置の下流側へそして上流側への移動と共に移動することとする請求項1ないし請求項3のうちの一つに記載の包装装置。
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