JP2000033595A - 熱可塑性の包装スリ―ブを横方向に溶接および切断するための方法および装置 - Google Patents

熱可塑性の包装スリ―ブを横方向に溶接および切断するための方法および装置

Info

Publication number
JP2000033595A
JP2000033595A JP11085009A JP8500999A JP2000033595A JP 2000033595 A JP2000033595 A JP 2000033595A JP 11085009 A JP11085009 A JP 11085009A JP 8500999 A JP8500999 A JP 8500999A JP 2000033595 A JP2000033595 A JP 2000033595A
Authority
JP
Japan
Prior art keywords
holder
packaging sleeve
rail
welding
clamping elements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP11085009A
Other languages
English (en)
Inventor
Guenther Bausch
バウシュ ギュンター
Thomas Strasser
シュトラッサー トーマス
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Syntegon Packaging Systems AG
Original Assignee
SIG Pack Systems AG
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 SIG Pack Systems AG filed Critical SIG Pack Systems AG
Publication of JP2000033595A publication Critical patent/JP2000033595A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • B65B51/306—Counter-rotating devices
    • 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
    • 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
    • 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
    • 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
    • B29C66/70—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
    • 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
    • B29C66/816—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 mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8161—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 mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient material
    • 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
    • B29C66/818—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • B29C66/81811—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws
    • 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
    • B29C66/818—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • B29C66/81815—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the clamps
    • 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
    • B29C66/818—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8182—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects
    • B29C66/81821—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects of the welding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—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
    • 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
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91211—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods
    • B29C66/91212—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods involving measurement means being part of the welding jaws, e.g. integrated in the welding jaws
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91231—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature of the joining 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91421—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the joining tools
    • 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
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30—Electrical means
    • B29C65/305—Electrical means involving the use of cartridge heaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—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
    • 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
    • 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
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81415—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
    • B29C66/81419—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled and flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/961—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving a feedback loop mechanism, e.g. comparison with a desired value

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Package Closures (AREA)
  • Details Of Cutting Devices (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

(57)【要約】 （修正有） 【課題】 包装スリーブ上の横断方向シームを溶接し且
つこの包装スリーブを個々のパッケージに切断するのに
特に適した、改良された方法および装置を提供する。 【解決手段】 第１方向内で後退および前進可能である
と共に第１ホルダを有する第１の溶接および切断ユニッ
ト１５と、第１ホルダ１７によって支持される加熱レー
ル２２および第１クランプ機構２８，２８とを含む。第
１クランプ機構は、第１方向を横切る第２方向内で互い
に接離可能である第１および第２クランプ要素を有す
る。第２の溶接および切断ユニット１６は、第１方向内
で後退および前進可能であると共に第２ホルダ１８を有
し、スプリング付勢の対向ホルダ４６が第２ホルダ上に
装着されてレールと協働し、そして、第２ホルダによっ
て支持されると共に第３および第４クランプ要素を有す
る第２クランプ機構２８′，２８′が、第２方向内で互
いに接離可能である。

Description

【発明の詳細な説明】
【０００１】
【関連出願の説明】本出願は、１９９８年３月２７日出
願のスイス国出願第７３７／９８号の優先権を主張する
もので、そしてこれは、ここでも参照される。
【０００２】
【発明の背景】包装スリーブの包みからなるパッケージ
を製造するパッキング機械において、包装スリーブを製
造するシートは、一般に、少なくとも２つの層を有す
る。パッケージの横方向のシールおよび切断を容易にす
るため、外側の層は内側の層よりも（完成されたパッケ
ージにおいて）高い溶融点を有する。シールシューの温
度は、最外側層の溶融温度よりは低く一方最内側層の溶
融温度よりは高い温度に維持されている。連結されたパ
ッケージスリーブのそれぞれは、シールシューの１つに
組込まれているナイフによって切断される。
【０００３】上記概述した形式のシールおよび切断装置
は、例えば、国際出願ＷＯ第９６／１７７２０号公報等
に開示されている。しかしながら、この種の装置は、単
一材料（モノフィルム）−例えば、低圧ポリエチレン等
−からなる包装スリーブを有するパッケージに対して
は、この種のフィルムがシール（溶接）シューに粘着さ
れがちであるため、適用され難い。
【０００４】
【発明の概要】本発明の１つの目的は、上記概述した形
式の改良された方法および装置、すなわち、包装スリー
ブ上の横断方向シームを溶接し且つこの包装スリーブを
個々のパッケージに切断するのに特に適した方法および
装置を提供することにある。
【０００５】明細書の進行と共に明らかとなる上記およ
びその他の目的は、本発明によって達成されるが、これ
によれば（要約して）、熱可塑性の包装スリーブを横方
向にシールおよび切断して個々のパッケージを製造する
装置は、第１方向内で後退および前進可能であると共に
第１ホルダを有する第１の溶接および切断ユニットと、
第１ホルダによって支持される加熱レールおよび第１ク
ランプ機構とを含む。第１クランプ機構は、第１方向を
横切る第２方向内で互いに接離可能である第１および第
２クランプ要素を有する。第２の溶接および切断ユニッ
トは、第１方向内で後退および前進可能であると共に第
２ホルダを有し、スプリング付勢の対向ホルダが第２ホ
ルダ上に装着されてレールと協働し、そして、第２ホル
ダによって支持されると共に第３および第４クランプ要
素を有する第２クランプ機構が、第２方向内で互いに接
離可能である。駆動手段は、第１および第２の溶接およ
び切断ユニットを互いに同期して接近させることにより
これらの間に包装スリーブを第１および第２クランプ要
素を介してクランプすると共にこの包装スリーブをレー
ルおよび対向ホルダを介して係合させ、更に、第１およ
び第２クランプ要素と第３および第４クランプ要素とを
互いに同期して接離させる。
【０００６】
【好適な実施例の説明】図１を参照して、図示装置は、
水平包装スリーブのパッキング機械の一部分として配設
される。スリーブ（ホース）１−なおこれは、前もって
長手方向のシームを備えられると共に低圧ポリエチレン
等の熱可塑性材料から製作されている−は、搬送方向Ａ
へ前進される。包装されるべき製品３は、スリーブ１に
等間隔で配置される。横方向溶接（分離シーム）は、２
つの隣接製品３の間の中間スペース４内に形成される。
【０００７】装置は、上部および下部駆動ユニット１０
および１１を備えるが、これは、前述した国際出願ＷＯ
第９６／１７７２０号公報に開示される構造であってよ
い。ユニット１０および１１は、それぞれの対のクラン
ク１２（それぞれ１つのみが示されている）手段を介し
て、それぞれの両水平キャリヤ１３および１４を、円形
軌道に沿って、互いに同期して且つ反対方向へ平行に駆
動する。４つのクランク１２の中の１つがモータ（図示
せず）により駆動され、この従動クランク１２に、残り
の３つのクランク１２が伝導装置を介して連結される。
ここで、前記モータのｒｐｍは、クランク１２の円周速
度の水平成分が、溶接および切断工程の間において、包
装スリーブ１の移行方向Ａへの搬送速度と略同一となる
ように制御される。
【０００８】各キャリヤ１３，１４に対してそれぞれの
溶接および切断ユニット１５および１６が固定され、そ
してこのユニットは、それぞれのキャリヤ１３および１
４に取着されるそれぞれのホルダ１７および１８を含
む。ホルダ１７の底部には、楔形状の加熱レール２２
が、例えばＺｒＯ2等からなる断熱板２３を介在して固
定される。レール２２は、その底部を半円形状の断面に
形成されると共にこのレール２２内を貫通する加熱バー
２４を介して加熱される。レールの温度はセンサ２５で
検出され、そしてこれにより、設定温度が維持されるよ
う加熱バー２４の熱出力が制御される。ホルダ１７は、
断熱板２３の上方に、冷却水を通す少なくとも１つの貫
通穴２６を有する。
【０００９】保持機構すなわち保持板２８の揺動アーム
２７−これは、ホルダ１７の各側部に対して平行に実質
的水平方向へ延在されている−が、平行四辺形リンクと
して作動するよう固定されている。揺動アーム２７およ
びそれぞれの関節部２９は左側の板２８に対してのみ牽
引され、右側の板２８はホルダ１７上に同様にして装着
されているが軸方向へオフセットされている。板２８の
下部部分３０は、楔形状様に先細とされそしてホルダ１
７の中心平面３１へ向け傾斜されると共に平らな水平端
面３２を有する。この下部部分３０は、更に、冷却水の
ための冷却流路を有する。図１に示す位置において、板
２８のストッパ３９がホルダ１７のそれぞれの対接面４
０と対接される。板２８は、スプリング４１を介して包
装スリーブ１の中心平面５へ向け付勢され、また板２８
の端面３２はレール２２の下側の下方に位置されてい
る。
【００１０】ユニット１６は、包装スリーブ１の中心平
面５に関して、ユニット１５の実質的な鏡像である。従
って、ユニット１６の、ユニット１５の部分と同一の部
分には、同一の、但し「′」符号を付けた、参照数字が
付せられている。ユニット１６は、ユニット１５に対し
て、レール２２および板２３の代りに対向ホルダ４６を
有する点において基本的に異なり、そしてこの対向ホル
ダは、冷却剤穴４７を有すると共に、楔形状様に先細と
されそしてその先端部には硝子繊維またはカーポンのイ
ンレイを備えるＰＴＦＥインサート４８を有する。ま
た、対向ホルダ４６は、ホルダ１８内を案内されて縦方
向に変位されると共に、スプリング４９を介し中心平面
５へ向け付勢されている。
【００１１】操作に際し、クランク１２が矢印Ｂおよび
Ｃ方向へ回転されると、ユニット１５および１６はそれ
ぞれ平行する円運動を達成する。ユニット１５，１６が
包装スリーブ１に到達すると、このユニットは包装スリ
ーブを、図２に示すように、製品３の間の中間スペース
４領域において両側から押圧する。図３は、包装スリー
ブ１が、対向板２８，２８′の端面３２の間に丁度クラ
ンプされた時の状態を示し、レール２２と対向ホルダ４
６とは、まだ中央平面５から離間されている。板２８，
２８′は楔状に先細であり且つ傾斜されているので、中
間スペース４は広い幅を要せず、従ってパッキング材料
が節約される。クランク１２が回転し続けると（図
４）、板２８，２８′がスプリング４１の力に抗してホ
ルダ１７，１８に対して移動され、これによりスリーブ
１が対向板２８，２８′の間にクランプされると共に揺
動アーム２７が揺動され、そしてこれにより板２８，２
８′が中心平面３１に対して移動される。この結果、ス
リーブ１の領域５０が板２８，２８′の間で僅かに転倒
される（束ねられる）。対向ホルダ４６はレール２２よ
りも前にスリーブ領域５０に到達し、従って（図５に示
すように）、スリーブ領域５０はレール２２が接触する
までに僅かに持上げられ、そしてこの結果、スリーブ領
域５０は緊張されている。このような状態から、対向ホ
ルダ４６がスプリング４９の力に抗して内側へ押圧さ
れ、そしてこれにより、包装スリーブ１の横方向の溶接
および切断が達成される。図６は、クランク１２の死点
中心における状態を示す。クランク１２が更に回転する
と、図７，図８および図９に示すように、先ずレール２
２およびホルダ４６が相互に分離され次いで板２８，２
８′が中心平面３１に対して離間される。
【００１２】上述した装置手段によって、スリーブ１の
優れた品質の横方向溶接が達成されるが、これは、スリ
ーブ１が、加熱レール２２および対向ホルダ４６の対接
係合の前に平らに押圧されていることによる。更に、パ
ッケージの間の優れた切断が確保されるが、これは、ス
リーブの部分が溶接後に引離されていることによる。装
置は、例えばポリエチレンからなる単層フィルムの溶接
に良好に適合され、そして良好なシーム品質を達成する
ことができる。付加的な切除は必要とされない。溶接の
残滓による汚損は、板２８，２８′の強力な冷却によっ
て防止される。
【００１３】上記実施例とは別に、板２８，２８′の中
心平面３１に対する垂直動作は、図示の平行四辺形リン
クとは異なる、例えば、クランク１２の回転角度に同期
してサイクルされるシリンダのような制御手段によって
も達成されることができる。この場合には、板２８，２
８′の、保持工程中における平面３１に対する垂直動作
は、クランク１２の死点中心通過の前のみかまたは後の
みかのいずれかで発生される。これは、特定の材料のス
リーブ１に対して有利である。
【００１４】本発明に関する上述の説明は、種々の変
形、変更および適用が可能であることは理解されるとこ
ろであり、またこれらは、添付される特許請求の範囲の
等価範囲内に包含されるものである。
【図面の簡単な説明】
【図１】本発明の好適実施例を示す側面図である。
【図２】好適実施例の、シーム溶接および切断工程にお
ける８つの連続段階を示す側面図である。
【図３】好適実施例の、シーム溶接および切断工程にお
ける８つの連続段階を示す側面図である。
【図４】好適実施例の、シーム溶接および切断工程にお
ける８つの連続段階を示す側面図である。
【図５】好適実施例の、シーム溶接および切断工程にお
ける８つの連続段階を示す側面図である。
【図６】好適実施例の、シーム溶接および切断工程にお
ける８つの連続段階を示す側面図である。
【図７】好適実施例の、シーム溶接および切断工程にお
ける８つの連続段階を示す側面図である。
【図８】好適実施例の、シーム溶接および切断工程にお
ける８つの連続段階を示す側面図である。
【図９】好適実施例の、シーム溶接および切断工程にお
ける８つの連続段階を示す側面図である。
【符号の説明】
１ 包装スリーブ（ホース） ３ 製品 ４ 中間スペース ５ 中心平面 １０ 上部駆動ユニット １１ 下部駆動ユニット １２ クランク １３，１４ 水平キャリヤ １５，１６ 溶接および切断ユニット １７，１８ ホルダ ２２ 加熱レール ２３ 断熱板 ２４ 加熱バー ２５ センサ ２６ 貫通穴 ２７，２７′ 揺動アーム ２８，２８′ 保持板 ２９，２９′ 関節部 ３０ 下部部分 ３１ 中心平面 ３２ 水平端面 ３３ 冷却流路 ３９ ストッパ ４０ 対接面 ４１ スプリング ４６ 対向ホルダ ４７ 冷却剤穴 ４８ インサート ４９ スプリング ５０ 領域
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｂ２９Ｌ 22:00 (72)発明者 トーマス シュトラッサー スイス国、ツェーハー−8463 ベンケン、 メッテレンシュトラーセ ７

Claims (12)

    【特許請求の範囲】
  1. 【請求項１】 物品を内臓した不確定長さの熱可塑性包
    装スリーブ上に横方向のシームを形成すると共にこの横
    方向シーム上で包装スリーブを切断することにより個々
    のパッケージを製造する装置であって、この装置が、 （ａ）第１方向内で後退および前進可能な第１の溶接お
    よび切断ユニットであって、 （１）第１ホルダと、 （２）前記第１ホルダによって支持されるレールと、 （３）前記レールを加熱する手段と、および （４）第１クランプ機構であって、前記第１ホルダによ
    って支持されると共にこの第１ホルダの両側部に第１お
    よび第２クランプ要素を備え、前記第１および第２クラ
    ンプ要素が、前記第１方向を横切る第２方向内で互いに
    接離可能である第１クランプ機構とを有する第１の溶接
    および切断ユニットと、 （ｂ）前記第１方向内で後退および前進可能な第２の溶
    接および切断ユニットであって、 （１）第２ホルダと、 （２）前記第２ホルダ上に装着されて前記レールと協働
    するスプリング付勢の対向ホルダと、および （３）第２クランプ機構であって、前記第２ホルダによ
    って支持されると共にこの第２ホルダの両側部に第３お
    よび第４クランプ要素を備え、前記第３および第４クラ
    ンプ要素が、前記第２方向内で互いに接離可能である第
    ２クランプ機構と、を有する第２の溶接および切断ユニ
    ットと、および （ｃ）駆動手段であって、互いに同期して前記第１およ
    び第２の溶接および切断ユニットを接近させることによ
    りこれらの間に包装スリーブを前記第１および第２クラ
    ンプ要素を介してクランプすると共にこの包装スリーブ
    を前記レールおよび前記対向ホルダを介して係合させ、
    更に互いに同期して前記第１および第２クランプ要素を
    接離させると共に前記第３および第４クランプ要素を接
    離させる駆動手段と、を含むことを特徴とする装置。
  2. 【請求項２】 前記レールおよび前記対向ホルダは互い
    に先細であることを特徴とする請求項１記載の装置。
  3. 【請求項３】 更に、前記レールを前記第１ホルダから
    離間する断熱部を含み、また更に、前記第１ホルダは冷
    却剤の流通穴を有することを特徴とする請求項１記載の
    装置。
  4. 【請求項４】 前記対向ホルダは冷却剤の流通穴を有す
    ることを特徴とする請求項１記載の装置。
  5. 【請求項５】 前記レールは包装スリーブに接触する作
    動領域を有し、この作動領域は少なくとも略半円形の輪
    郭を有することを特徴とする請求項１記載の装置。
  6. 【請求項６】 前記第１および第２クランプ要素は、前
    記レールへ向け傾斜すると共に互いに鋭角をなす自由端
    延在部分を有し、また、前記第３および第４クランプ要
    素は、前記対向ホルダへ向け傾斜すると共に互いに鋭角
    をなす自由端延在部分を有することを特徴とする請求項
    １記載の装置。
  7. 【請求項７】 前記第１、第２、第３および第４クラン
    プ要素は冷却剤の流通穴を有することを特徴とする請求
    項１記載の装置。
  8. 【請求項８】 前記駆動手段は、互いに同期して前記第
    １および第２クランプ要素を接離すると共に前記第３お
    よび第４クランプ要素を接離する手段を含むことを特徴
    とする請求項１記載の装置。
  9. 【請求項９】 同期して移動する前記手段は、前記第１
    および第２クランプ要素を前記第１ホルダに対して装着
    する第１平行四辺形リンクと、前記第３および第４クラ
    ンプ要素を前記第２ホルダに対して装着する第２平行四
    辺形リンクとを含むことを特徴とする請求項８記載の装
    置。
  10. 【請求項１０】 物品を内臓した不確定長さの熱可塑性
    包装スリーブ上に横方向のシームを形成すると共にこの
    横方向シーム上で包装スリーブを切断することにより個
    々のパッケージを製造する請求項１記載の装置に係る方
    法であって、下記の工程、すなわち （ａ）前記第１ホルダおよび前記第２ホルダを第１段階
    において前記第１方向内で互いに接近させることによ
    り、包装スリーブを互いに協働する前記第１および第２
    クランプ機構を介してクランプし、 （ｂ）前記第１ホルダおよび前記第２ホルダを次の第２
    段階において前記第１方向内で互いに接近させることに
    より、包装スリーブを互いに協働する前記レールおよび
    対向ホルダを介してクランプしそしてこれによりこの包
    装スリーブのシールおよび切断を達成し、 （ｃ）前記第１および前記第２ホルダを前記第１方向内
    で互いに離間し、および （ｄ）工程（ｃ）の遂行中に、前記第１および第２クラ
    ンプ要素を、包装スリーブの中心平面に平行な前記第２
    方向内で互いに離間すると共に、前記第３および第４ク
    ランプ要素を、包装スリーブの中心平面に平行な前記第
    ２方向内で互いに離間する、工程を含むことを特徴とす
    る方法。
  11. 【請求項１１】 更に、工程（ｂ）の遂行中に、前記第
    １および第２クランプ要素を、包装スリーブの中心平面
    に平行な前記第２方向内で互いに接近すると共に、前記
    第３および第４クランプ要素を、包装スリーブの中心平
    面に平行な前記第２方向内で互いに接近する工程を含む
    ことを特徴とする請求項１０記載の方法。
  12. 【請求項１２】 更に、包装スリーブを、この包装スリ
    ーブの中心平面の外側で切断する工程を含むことを特徴
    とする請求項１０記載の方法。
JP11085009A 1998-03-27 1999-03-26 熱可塑性の包装スリ―ブを横方向に溶接および切断するための方法および装置 Pending JP2000033595A (ja)

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CN1099343C (zh) 2003-01-22
EP0945349A2 (de) 1999-09-29
CN1234328A (zh) 1999-11-10
DE59908181D1 (de) 2004-02-05
US6161366A (en) 2000-12-19
EP0945349B1 (de) 2004-01-02
EP0945349A3 (de) 2000-03-15

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