WO2003076272A1 - Stratifie scelle aux ultrasons, procede de production correspondant, et machine de soudage aux ultrasons correspondante - Google Patents

Stratifie scelle aux ultrasons, procede de production correspondant, et machine de soudage aux ultrasons correspondante Download PDF

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Publication number
WO2003076272A1
WO2003076272A1 PCT/JP2003/003008 JP0303008W WO03076272A1 WO 2003076272 A1 WO2003076272 A1 WO 2003076272A1 JP 0303008 W JP0303008 W JP 0303008W WO 03076272 A1 WO03076272 A1 WO 03076272A1
Authority
WO
WIPO (PCT)
Prior art keywords
horn
ultrasonic
welding
laminated article
fusing
Prior art date
Application number
PCT/JP2003/003008
Other languages
English (en)
Japanese (ja)
Inventor
Katsunori Saito
Kiyokazu Ishiwatari
Original Assignee
Showa Denko Plastic Products Co., Ltd.
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 Showa Denko Plastic Products Co., Ltd. filed Critical Showa Denko Plastic Products Co., Ltd.
Priority to AU2003220880A priority Critical patent/AU2003220880A1/en
Publication of WO2003076272A1 publication Critical patent/WO2003076272A1/fr

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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
    • B29C66/84—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
    • 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
    • B29C65/086—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 anvil
    • 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
    • B29C65/743—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 the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
    • B29C65/7443—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 the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc by means of 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
    • B29C65/74—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
    • 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
    • B29C66/40—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
    • 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
    • B29C66/70—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
    • B29C66/737—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 state of the material of the parts to be joined
    • B29C66/7373—Joining soiled or oxidised materials
    • 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
    • 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
    • B29C66/81417—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 being V-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—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
    • B29C66/8145—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 constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81463—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 constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint
    • 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
    • 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
    • B29C66/843—Machines for making separate joints at the same time in different planes; Machines for making separate joints at the same time mounted in parallel or in series
    • B29C66/8432—Machines for making separate joints at the same time mounted in parallel or in series
    • 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
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • 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
    • 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
    • B29C66/438—Joining sheets for making hollow-walled, channelled structures or multi-tubular articles
    • 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
    • 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

Definitions

  • the present invention relates to a laminated article which is ultrasonically sealed by an ultrasonic welding machine that generates heat to a welded body by using ultrasonic waves to perform welding or fusing, a method of manufacturing the same, and an ultrasonic wave used for the same.
  • an ultrasonic welding machine that generates heat to a welded body by using ultrasonic waves to perform welding or fusing, a method of manufacturing the same, and an ultrasonic wave used for the same.
  • an article in which two films made of a thermoplastic resin film are laminated and an arbitrary substance is arranged therebetween is known.
  • a dehydration sheet made by disposing only a hyperosmotic substance or a hyperosmotic substance and a water-soluble paste together between two films, or a hyperosmotic substance and polymer absorption
  • Dehydration sheet by dispersing the agent and hydrophilic alcohol together, or dehydration and water retention by dispersing polyhydric alcohol, one of high osmotic substances, and polymer absorbent
  • thermoplastic resin films have extremely close melting points and decomposition points, such as, for example, polyvinyl alcohol-based resin films. If the heating temperature is not precisely controlled, the film may be decomposed if the heating temperature is not precisely controlled.Therefore, it is very difficult to weld the films using a general heat seal. Was.
  • an impulse seal is known as a welding method capable of precisely controlling the sealing state. However, in this impulse seal, after the heated body is pressed against the sealed part, the sealed part is melted, and after the sealed part is cooled to some extent, the heated body is separated from the sealed part and welded. Therefore, there is a problem that the time required for welding is remarkably long and the productivity is low, and that heat shrinkage occurs in the film and the appearance is impaired.
  • the ultrasonic welding machine 51 includes an ultrasonic oscillator 54 for generating ultrasonic waves, and a horn 52 for emitting ultrasonic waves generated by the ultrasonic oscillator.
  • a horn receiving jig 53 arranged opposite to the horn, and a pressure cylinder 55 for pressing the contact end 52 a of the tip of the horn 52 emitting ultrasonic waves against the object to be welded.
  • the welding function Films can be sealed at arbitrary locations, but the film cannot be divided.Therefore, the films are sealed in parallel at two locations with an interval, and the gap between the two locations is sealed by a force It is divided by cutting.
  • a cut line indicated by a dotted line between the welded sealing portions 65, 65 of the laminated article matrix 60 is shown in FIGS. 14 (A) and 14 (B).
  • ultrasonic fusing is performed along the scheduled fusing line 76 a indicated by a dotted line in the laminated article matrix 70. Since the sealing and cutting are performed at once by pressing the contact end 52 a of the tip of the horn 52 of the machine 51, the contents 74 such as high osmotic pressure substances are being blown out There is no spilling out of the fusing area, and the fusion section 76 is integrated, making it very smooth and good looking. However, it is difficult to evenly bond and seal the films 72 and 73 only by fusing, and there is a risk that the sealing portion may be damaged during use of the laminated article. Disclosure of the invention
  • the present invention has been made in view of the above circumstances, and an object thereof is to efficiently provide a laminated article subdivided into a desired size and shape from a laminated article base made of a large film.
  • the films are securely bonded and sealed, and the film can be divided without spilling the contents.Furthermore, the divided end faces are cleanly integrated.
  • Another object of the present invention is to provide a laminated article in which the contents are securely contained without leaking to the outside.
  • the present invention focuses on two functions of welding and fusing in an ultrasonic seal, and uses these functions by a configuration described below, which could not be achieved until now. Eliminates leakage of contents when dividing a laminated article matrix in which contents such as osmotic substances are arranged between sheets of film, and reduces the appearance of the end of each divided laminated product. In addition, the reliability of sealing the ends of individual laminated articles has been improved.
  • the ultrasonic-sealed laminated article of the present invention is a laminated article in which a fluid substance is disposed between thermoplastic resin films that can be welded to each other, and at least a part of the peripheral portion thereof is provided.
  • the joints formed by ultrasonic welding formed on the inner side and the joints formed by ultrasonic fusing formed on the outer side are multiply sealed. This ensures that the contents, such as a flowable substance, do not leak from the outside at least from the double-sealed periphery, and that the contents can be reliably inserted between the two thermoplastic resin films. It can be confined to increase the reliability of sealing.
  • the contents are sealed by the sealing part formed by ultrasonic welding formed on the outside. Can be securely confined without leaking outside.
  • the sealing part formed by ultrasonic fusing on the outside is damaged, leakage of the contents can be minimized by the sealing part formed by ultrasonic welding on the inside. it can.
  • the edges of the sealed part due to ultrasonic fusing have been subjected to a clean and smooth integration process, so there is no risk of damaging other articles during handling, and the edges of the laminated article The appearance of the department can be improved.
  • the laminated article of the present invention can be applied to various contents as the contents.
  • the fluid substance such as water
  • the fluid substance has a high osmotic pressure substance, a water-soluble paste, and a polymer absorbent. It is suitable for a dewatering sheet or the like to which an agent, a hydrophilic alcohol, a wetting agent or the like is applied.
  • the high osmotic pressure substance absorbs moisture from foods to be dehydrated.
  • a substance having an osmotic pressure that can be used.
  • hydrates such as monosaccharides, disaccharides, polysaccharides, polyhydric alcohols, low molecular weight organic carboxylic acids, and low molecular weight amino acids can be considered.
  • hydrated edible sugars such as syrup, sucrose, isomerized sugar, glucose, fructose, mannitol, sorbitole, margetol, maltitol, pullulan, etc., mannan, sodium alginate, carrageenan, gum arabic, etc.
  • a water-soluble polymer such as natural water-soluble polymer, modified cellulose / rerose such as methylcellulose and carboxymethylcellulose sodium, and polyhydric alcohol such as glycerin and propylene glycol.
  • the water-soluble paste is a polymer compound having a long chain-like molecular structure having a molecular weight of about several thousands to several millions and exhibiting a thickening effect when dissolved in water.
  • Natural polysaccharides and their derivatives such as sodium glycolate, methionolecellulose, sodium carboxymethylcellulose, proteins such as dartene ', casein, gelatin, etc., sodium polyacrylate, polybutyl alcohol And high molecular compounds such as polyethylene oxide.
  • humectant examples include polyhydric alcohols such as ethylene glycol, polyethylene glycol, propylene glycol, polypropylene glycol, methylene glycol monoethyl ether, 1,3-butylene glycol, glycerin, and polyglycerin; methyl cellulose; Aqueous solutions of hygroscopic polymer substances such as methinoresenorelose sodium, xylitol, sorbitol, and maltitol can be used alone or in combination.
  • polyhydric alcohols such as ethylene glycol, polyethylene glycol, propylene glycol, polypropylene glycol, methylene glycol monoethyl ether, 1,3-butylene glycol, glycerin, and polyglycerin
  • methyl cellulose examples of the humectant
  • Aqueous solutions of hygroscopic polymer substances such as methinoresenorelose sodium, xylitol, sorbitol, and maltito
  • polysaccharides such as starch and cellulose can be added to water-soluble or water-soluble by hydrolysis, such as acrylic acid or its salt, methacrylic acid or its salt, and acrylic acid ester.
  • acrylic acid or its salt such as acrylic acid or its salt, methacrylic acid or its salt, and acrylic acid ester.
  • methacrylic acid ester acrylic acid amide, methacrylic acid amide, acrylonitrile linolee, methacrylonitrile linolee, maleic acid, snorehonidani styrene, polypyridine, etc.
  • oligomers or oligomers thereof One obtained by three-dimensionally polymerizing a hydrophilic polymer obtained by graft-copolymerization with a crosslinking agent, polyethylene oxide, polypropylene oxide, polyvinyl pyrrolidone, sulfonated styrene, polyvinyl pyridine, polyacryl
  • a crosslinking agent polyethylene oxide, polypropylene oxide, polyvinyl pyrrolidone, sulfonated styrene, polyvinyl pyridine, polyacryl
  • hydrophilic polymers such as acid salts, acrylic acid amides, polymethacrylic acid salts, and polymethacrylic acid amides with a crosslinking agent.
  • Hydrophilic alcohols are monohydric, dihydric or trihydric phenolic alcohols that are liquid at room temperature and compatible with water, and include alcohols for food additives such as ethynole alcohol, propylene glycol, and glycerin. Are suitable.
  • thermoplastic resin film it is preferable that at least any part (for example, one side) of the thermoplastic resin film is a water-permeable film.
  • a water-permeable film By using a water-permeable film, it becomes possible to pass moisture from the water-permeable film side to between the superposed films. Therefore, an arbitrary fluid substance, for example, a hyperosmotic substance alone or a hyperosmotic substance and a water-soluble glue are arranged inside the laminated article (between two films), and the periphery thereof is formed.
  • a dehydrated sheet used for contact dehydration of fresh food such as meat and fresh fish can be obtained.
  • dehydrated sheet if that Haizai one cord to the inside and the high osmotic agent and a polymer absorbent agent and a hydrophilic alcohol laminated article, which is also used for catalytic dehydration of any fresh food meat and fresh fish of t It can be. Furthermore, if a hydrophilic alcohol, which is one of the high osmotic substances, and a polymer absorbent are disposed as a wetting agent inside the laminated article, a sheet for dehydration and water retention that combines the above properties can be used. You can also.
  • the water-permeable film if it has a property of permeating water and not permeating (leaking) substances such as hyperosmotic substances that are filled or sandwiched as necessary, polybutyl alcohol is used. Any film may be used, such as a cellophane, a saponified ethylene-vinyl acetate copolymer, a collodion, a semi-permeable membrane made of a polyamide, or the like. However, welding or fusing work with an ultrasonic welding machine should be considered. For example, it is desirable to use a polyvinyl alcohol resin film.
  • a fluid substance is disposed between thermoplastic resin films that can be welded to each other.
  • the peripheral portion is welded by ultrasonic waves, and the outside thereof is blown off and sealed.
  • individual layers in which at least one portion of the periphery is sealed multiple times without leaking the contents such as a fluid substance disposed between the films to the outside.
  • Articles can be manufactured efficiently and continuously.
  • it shall be divided between the two sealed parts formed by welding by the two ultrasonic welding machines without leaking the contents to the outside. Can be done.
  • the fused end has been subjected to a clean and smooth integration process, there is no risk of damaging other articles during handling, and the ends of the individual laminated articles are divided. The appearance of the department can be improved.
  • An ultrasonic welding machine includes: an ultrasonic oscillator that generates an ultrasonic wave; a horn that emits an ultrasonic wave generated by the ultrasonic oscillator; and a horn jig disposed to face the horn. And a pressing means for pressing one or both of the horn and the horn receiving jig toward the other direction, wherein a welding contact end and a fusing contact end are formed on the horn and / or the horn receiving jig. It is characterized by having been done.
  • a welding horn having a welding contact end portion and a fusing horn having a fusing contact end portion can be provided.
  • a horn or a horn receiving jig having both a welding contact end and a fusing contact end can be provided.
  • the fusing contact end is disposed between the two welding contact ends. In this way, welding is performed at the two welding contact ends arranged on both sides, and the middle is located between the welding contact ends located at the center. 0303008
  • Fusing can be performed, and the welding operation and the fusing operation can be performed efficiently and substantially simultaneously.
  • FIG. 1 shows a laminated article according to an embodiment of the present invention in which the peripheral portion is ultrasonically sealed.
  • FIG. 1 (A) is a plan view
  • FIG. 1 (B) is a longitudinal section.
  • FIG. 2 is a schematic front view showing an ultrasonic welding machine according to the embodiment of the present invention.
  • FIG. 3 is a schematic right side view showing the ultrasonic welding machine of the present invention shown in FIG.
  • FIG. 4 is a schematic bottom view showing the horn of the ultrasonic welding machine of the present invention shown in FIG.
  • FIG. 5 (A) is a plan view showing the base of the laminated article
  • FIG. 5 (B) is a partially enlarged schematic cross-sectional view showing the divided state.
  • FIG. 6 illustrates a first embodiment of manufacturing a laminated article using a continuous film
  • FIG. 6 (A) is a schematic diagram illustrating a state of subdivision
  • FIG. 6 (B) is a subdivision. It is a top view showing the laminated article performed.
  • FIG. 7 illustrates a second embodiment in which a laminated article is manufactured using a continuous film.
  • FIG. 7 (A) is a schematic diagram illustrating a state of subdivision
  • FIG. 7 (B) is a subdivision. It is a top view showing the laminated article performed.
  • Fig. 8 illustrates a third embodiment of manufacturing a laminated article using a continuous film.
  • Fig. 8 (A) is a schematic diagram illustrating a state of subdivision, and Fig. 8 (B) is a subdivision. It is a top view showing the laminated article performed.
  • FIG. 9 is a front view showing an example of the ultrasonic welding machine.
  • FIG. 10 shows an example of an ultrasonic welding machine
  • Fig. 10 (A) shows a welding horn
  • FIG. 10 (B) is a front view showing a fusing-only horn.
  • FIG. 11 is a front view showing an example of the ultrasonic welding machine.
  • FIG. 12 shows an example of an ultrasonic welding machine.
  • Fig. 12 (A) is a front view showing a welding-only horn jig
  • Fig. 12 (B) is a front view showing a fusing-only horn jig. It is.
  • FIG. 13 is a schematic front view showing a conventional ultrasonic welding machine.
  • FIG. 14 (A) is a plan view of a laminated product matrix manufactured using a large film in the prior art
  • FIG. 14 (B) is a partially enlarged schematic cross-sectional view showing a divided state.
  • FIG. 15 (A) is a plan view of a base of a laminated article manufactured by using a larger film in another conventional technique
  • FIG. 15 (B) is a partially enlarged schematic sectional view showing a divided state.
  • FIG. 1 is a (A) plan view and (B) a longitudinal sectional view showing a laminated article of the present invention in which the peripheral edge is ultrasonically sealed.
  • the laminated article 1 of this embodiment has a fluid material 4 made of a material having a high osmotic pressure or the like disposed between two thermoplastic resin films 2 and 3 that can be welded to each other.
  • the peripheral portion is double-sealed with a joint 5 formed by ultrasonic welding formed inside and a joint 6 formed by ultrasonic fusing formed outside.
  • the double sealing at the peripheral edge of the laminated article is performed over the entire periphery of the peripheral article in the laminated article of the present embodiment shown in FIG. 1, but in the present invention, at least the peripheral portion is sealed.
  • laminated articles that are partially double sealed are partially double sealed.
  • thermoplastic resin films 2 and 3 that can be welded are different depending on the type of the intended laminated article, for example, since the laminated article is a dehydration sheet used for contact dehydration of fresh food such as meat and fresh fish. If present, water is permeable, but it is selected from the group of water-permeable films exemplified above, which hardly permeates the contents forming the dehydrating action, for example, in consideration of the subsequent welding of the peripheral portion, etc.
  • a metal-based resin film It is desirable to use a metal-based resin film. It is not necessary to use the same water-permeable film on both the front and back surfaces, and it is not necessary to use the water-permeable film on both surfaces. Therefore, it is sufficient that at least one of them is a water-permeable film. Depending on the desired laminate, the water-permeable film is used on one side or both sides, and what kind of film is used is appropriately designed. Just do it.
  • the substance 4 disposed between the films also absorbs moisture from food or the like to be dehydrated according to the type of the intended laminated article, for example, if the laminated article is a dehydrated sheet. It is preferable to use one selected from the above group of high osmotic substances having an osmotic pressure, for example, sucrose, etc., from the viewpoint of handling, availability, and cost.
  • the substance used as the dewatering sheet is not limited to those described above, but may be selected from the group of hyperosmotic substances exemplified above and the group of water-soluble pastes exemplified above.
  • the ones selected from the group of hyperosmotic substances shown above, the ones selected from the group of polymer absorbents exemplified above, and the hydrophilicity exemplified above Those selected from the alcohol group may be co-located.
  • FIG. 2 is a schematic front view showing an example of the ultrasonic welding machine of the present invention
  • FIG. 3 is a schematic right side view thereof
  • FIG. 4 is a schematic bottom view showing the horn thereof.
  • the ultrasonic welding machine 11 includes an ultrasonic oscillator 14 for generating ultrasonic waves, a horn 12 for emitting ultrasonic waves generated by the ultrasonic oscillator 14, and a horn 12 facing the horn 12. And a horn receiving jig 13 arranged in a horizontal direction.
  • the ultrasonic oscillator 14 presses a horn 12 that emits ultrasonic waves toward a horn receiving jig 13 and presses the tip of the horn 12 against a workpiece to be pressed. It also has a cylinder 15.
  • This ultrasonic welding machine 11 is composed of two welding horns 12 and 12 having a sharpened welding contact end 12a at the tip, and a fusing contact end sharpened by the tip. And one fusing horn 12 formed with a part 1 2b, and a welding contact end 1 2a 3008
  • the two welding horns 12 and 12 formed with are formed in parallel at an interval, and the fusing horn 12 formed with the fusing contact end 12 b is provided in parallel with them. It is provided so that it is located in the middle of two welding horns 12. Therefore, welding is performed in parallel at the two welding contact ends 12a, which are provided in parallel at an interval, and the remaining middle welding contact end 12b is fused between the parts welded in parallel. It is like doing.
  • three horns 1 2 are provided with two welding horns 12 in parallel in the front, and the remaining fusing horns 12 are provided at the rear intermediate position between the two welding horns 1, 1 and 2. Have been.
  • the welding operation is performed using the two welding horns 1 2 and 1 2, and then the area between the parts welded by the fusing horn 12 is melted, thereby preventing the cutting operation from being performed before the welding operation.
  • leakage of contents such as a high osmotic pressure substance disposed between the two films to the outside is prevented.
  • a disk-shaped horn jig 19 22, 23, 26, 27
  • a disk-shaped horn jig 19 22, 23, 26, 27
  • the ultrasonic welding machine shown in FIGS. 2 to 4 includes two horns dedicated to welding and one horn dedicated to fusing, but is not limited to this.
  • two welding contact ends 16 a and one fusing contact end 16 b may be formed at the tip of one horn 16.
  • a welding horn 17 having two welding contact ends 17 a and 17 a at the tip
  • a fusing horn 18 having a fusing contact end 18a at the tip.
  • one horn receiving jig 19 corresponds to the three contact ends 16 a and 16 b formed on the horn 16.
  • FIG. 9 one horn receiving jig 19 corresponds to the three contact ends 16 a and 16 b formed on the horn 16.
  • a plurality of contact ends 17a, 17a, and 18a are provided.
  • the horn jigs 22, 22 and 22 are individually supported. It is not limited to the horn to form a sharp contact end.
  • a sharp welding end 24 and a fusing contact 25 may be formed on the horn jig 23.
  • the tip of the horn 28 can be flat.
  • the welding contact end 24 and the fusing contact end 25 are formed in one horn jig 23, but the present invention is not limited to this.
  • a welding horn receiving jig 26 having a welding contact end 24 and a fusing horn receiving jig 27 having a fusing contact end 25 are formed. These may be combined as separate entities. In such a case, as shown in FIG. 11, one horn 28 and one horn receiving jig 23 are used, respectively, or as shown in FIG. A horn 28 corresponding to 6, 26 and a horn 29 corresponding to the horn receiving jig 27 for fusing may be provided.
  • the contact end for welding or fusing may be formed on either the horn or the horn receiving jig, but is more preferably formed on the horn receiving jig. The contact end needs to be replaced after prolonged use due to wear.
  • the pressing means such as the pressure cylinder 15 presses the horn toward the horn jig, or presses the horn jig toward the horn, or presses each other. It is sufficient if an appropriate pressure is applied to the object to be welded, and it is provided on the horn side as shown in Figs. 2 and 3, or on the horn receiving jig side as shown in Figs. 9 to 12. , Or both.
  • the pressing means is preferably provided below. This is because, if it is provided above, the effect of the pressure corresponding to the weight of the component (for example, the horn) provided above is generated.
  • the horn receiving jig is disposed below, and it is preferable that the pressing means be provided on the horn receiving jig.
  • the pressing means be provided on the horn receiving jig.
  • FIG. 5 shows a case where the ultrasonic welding machine 11 having such a configuration obtains a laminated article divided into a desired size and shape from a laminated article matrix manufactured using a large film.
  • FIG. 5 is a plan view illustrating (A) a subdivision and a partially enlarged schematic cross-sectional view showing a (sub) subdivision state of a laminated product matrix manufactured using a large film.
  • the same reference numerals are used for the same reference numerals in the drawings as those described above, and further description thereof is omitted unless necessary.
  • the periphery of the laminated article base material 10 manufactured using the large film is sealed in advance by any means.
  • the sealing portion 7 may be formed by any means as long as the two films are joined to each other. Therefore, regardless of whether it is formed by general ultrasonic welding or heat sealing, there is no problem as long as the peripheral portion is securely sealed.
  • the subdivision of the base of the laminated article 10 is indicated by a two-point line in a semi-lattice shape provided in parallel with a gap assumed to obtain a desired size and shape on the surface.
  • This is performed by moving the contact end portions 12 a, 12 a, and 12 b of the leading end while pressing them against the base 10 of the laminated article. That is, the contact ends 12a, 12a of the welding horns of the ultrasonic welding machine 11 are moved while being pressed along the two welding lines 5a, 5a, and the two welding horns are moved.
  • By moving the contact end 12b of the fusing horn of the ultrasonic welding machine 11 along the scheduled fusing line 6a indicated by the dotted line between the welding lines 5a Perform welding and fusing.
  • an I-type laminated article in which two portions at the peripheral edge are double-sealed with a joint 5 formed by ultrasonic welding formed inside and a joint 6 formed by ultrasonic fusing formed outside.
  • a high osmotic agent 4 a where two of the intended welding wire 5 a, 5 a is trapped between the joints 5, 5 by being welded, welded sealed double Between the welded joint 5 and the welded joint 6 so that it does not leak out when splitting.
  • the divided sections are rounded and smoothly integrated, the edges are clean and good in appearance, and there is no danger of damaging other articles during handling.
  • FIG. 6 is a schematic plan view illustrating (A) a state of being manufactured using a continuous film having a predetermined width, and (B) is an enlarged view showing a divided and divided laminated article.
  • a substance such as a high osmotic pressure substance is arranged between two thermoplastic resin films having a predetermined width and which can be welded to each other, and both side edges thereof are previously joined by any means.
  • the continuous laminated article 20 having the sealing portion 7 is continuously flowed.
  • the ultrasonic welding machine having two welding contact ends 12a, 12a and one fusing contact end 12b is used. 11 is moved in a direction intersecting both side edge sealing portions on the surface of the continuous laminated article 20 while pressing the contact ends of the horns against the continuous laminated article 20.
  • the two peripheral portions that is, the peripheral portions facing in the direction intersecting with the both-side edge sealing portions, are joined to each other by the ultrasonic welding formed on the inside and the ultrasonic fusion formed on the outside.
  • the laminated article divided into a desired size which is double-sealed with the joining portion 6 by the above, can be manufactured efficiently and continuously.
  • the high osmotic pressure substance or the like confined between the two welded joints 5 can be divided into any size and shape without leaking to the outside.
  • the divided cross sections are round and smoothly integrated, their ends are clean and good in appearance, and there is no risk of damaging other articles during handling.
  • FIG. 7 is a schematic plan view illustrating a state in which (A) a continuous wide film is used for manufacturing, and (B) a subdivision.
  • FIG. 7 It is an enlarged view showing the laminated article.
  • a substance such as a high osmotic pressure substance is disposed between two thermoplastic resin films which are wider than a predetermined width and which can be welded to each other, and both side edges are sealed in advance by any means.
  • the continuous laminated article 30 in the state is continuously flowed.
  • two welding contact ends are provided at an intermediate portion on the surface of the continuous laminated article 30 so as to have a desired width.
  • the ultrasonic welding machine 11 having the parts 12a, 12a and one fusing contact end 12b is connected in the same direction as the sealing parts on both side edges, and the contact end of each horn is continuously laminated.
  • the joints 5 formed by ultrasonic welding and the joints 6 formed by ultrasonic fusing formed on the outside are double-sealed, and the laminated articles divided into the desired size are efficiently and continuously manufactured in two rows. can do. Also in this case, of course, the high osmotic pressure substance or the like confined between the two welded joints 5 can be divided into any size and shape without leaking to the outside. Moreover, since the divided sections are rounded and smoothly integrated, the ends are clean and good in appearance, and there is no risk of damaging other articles during handling.
  • FIG. 8 is a schematic plan view illustrating (A) a state in which the film is manufactured using a continuous triple-wide film, and (B) is an enlarged view showing a laminated article divided into small parts.
  • a material such as a high osmotic pressure substance is disposed between two thermoplastic resin films that can be welded to each other, and the continuous laminated product 40 in a state where both side edges are sealed in advance by any means. Pour continuously.
  • the continuous laminated article 40 is divided into three equal parts so as to have a desired width.
  • the ultrasonic welding machine 11 having the welding contact ends 12a, 12a and one fusing contact end 12b is contacted with each horn in the same direction as the sealing parts on both sides. The end is moved while being pressed against the continuous laminated article 30.
  • one or both of the side edges are double-sealed with the joint 5 formed by ultrasonic welding formed inside and the joint 6 formed by ultrasonic welding formed outside.
  • a portion is formed, and two types of continuous laminated articles 40a and 40b divided into a desired width can be efficiently and continuously produced. ⁇
  • the ultrasonic welding machine 11 having two fusing contact ends 1 2b is divided into two types of continuous laminated articles 40 a and 40 b divided into desired widths on both side edge sealing portions on the surface.
  • the contact end of each horn is moved while being pressed against two kinds of continuous laminated articles 40a and 40b in a direction intersecting with the horn. Thereby, three opposing peripheral portions in the direction intersecting with the both side edge sealing portions, one peripheral portion in the same direction as the both side edge sealing portions, and four peripheral portions are provided.
  • the location that is, all peripheral edges are double-sealed with a joint 5 formed by ultrasonic welding formed on the inside and a joint 6 formed by ultrasonic cutting formed on the outside, and divided into a desired size.
  • the laminated article thus manufactured can be efficiently and continuously manufactured.
  • the high osmotic pressure substance or the like confined between the two welded joints 5 can be divided into any size and shape without leaking to the outside.
  • the divided sections are rounded and smoothly integrated, so that the ends are clean and good in appearance, and there is no risk of damaging other articles during handling.
  • the present invention is not limited to the above-described embodiment described with reference to the drawings and the like, and can be arbitrarily changed in design without departing from the gist of the present invention. Needless to say.
  • the welding and cutting may be performed assuming that the ultrasonic welding machine can freely move on the surface of the base of the laminated article, so that the number of ultrasonic welding machines can be reduced.
  • the present invention it is possible to efficiently collect a plurality of laminated articles that are subdivided into target sizes and shapes without spilling the contents from the laminated article base made of a large film. .
  • the divided end faces are cleanly and smoothly integrated, the end portions are beautiful in appearance and have a good appearance, so that there is no risk of damaging other articles during handling.
  • the peripheral edge of the film is not sufficiently sealed by fusing or fusing, the perimeter is further fusing or fusing and is sealed in multiple layers. It can be securely contained without.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Package Closures (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Abstract

L'invention concerne un stratifié dont les films sont reliés et scellés aux ultrasons de façon fiable; un procédé de production correspondant; et une machine de soudage aux ultrasons utilisée à cet effet. Dans un tel stratifié, une substance fluide (4) est placée entre les films en résine thermoplastique soudable (2, 3), et au moins une partie du bord périphérique de celui-ci est scellé à plusieurs reprises par un joint (5) formé par soudage aux ultrasons et un joint (6) formé à l'extérieur de celui-ci par fusion aux ultrasons, ce qui rend le confinement fiable de la substance fluidique possible sans entraîner de fuite.
PCT/JP2003/003008 2002-03-13 2003-03-13 Stratifie scelle aux ultrasons, procede de production correspondant, et machine de soudage aux ultrasons correspondante WO2003076272A1 (fr)

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AU2003220880A AU2003220880A1 (en) 2002-03-13 2003-03-13 Ultrasonic-sealed laminate and method of producing the same, and ultrasonic welding machine using the same

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JP2002-69079 2002-03-13
JP2002069079A JP3935380B2 (ja) 2002-03-13 2002-03-13 超音波封止された積層物品とその製造方法、及びこれに用いる超音波溶接機

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US11712058B2 (en) 2015-12-02 2023-08-01 Swedish Match North Europe Ab Oral pouched snuff product
JP7177867B2 (ja) * 2021-01-19 2022-11-24 本田技研工業株式会社 振動溶着装置

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JPH0984516A (ja) * 1995-09-27 1997-03-31 Showa Denko Kk 脱水シートの製造方法
JPH11124148A (ja) * 1997-10-17 1999-05-11 Tdk Corp 袋状包装体とその製造方法

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JP3935380B2 (ja) 2007-06-20
TW200400876A (en) 2004-01-16
JP2003267322A (ja) 2003-09-25

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