DE1436040A1 - Device for the production of individual closed packs with a hot-melt adhesive device with pulse heating - Google Patents

Device for the production of individual closed packs with a hot-melt adhesive device with pulse heating

Info

Publication number
DE1436040A1
DE1436040A1 DE19621436040 DE1436040A DE1436040A1 DE 1436040 A1 DE1436040 A1 DE 1436040A1 DE 19621436040 DE19621436040 DE 19621436040 DE 1436040 A DE1436040 A DE 1436040A DE 1436040 A1 DE1436040 A1 DE 1436040A1
Authority
DE
Germany
Prior art keywords
groove
insulation
longitudinal direction
heating
longitudinal
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
DE19621436040
Other languages
German (de)
Inventor
Martin Siegel
Seymour Zelnick
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.)
Weldotron Corp
Original Assignee
Weldotron Corp
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
Priority claimed from US114588A external-priority patent/US3047991A/en
Priority claimed from US185996A external-priority patent/US3135077A/en
Application filed by Weldotron Corp filed Critical Weldotron Corp
Publication of DE1436040A1 publication Critical patent/DE1436040A1/en
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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • 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
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
    • B29C65/224—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip being a resistive ribbon, a resistive band or a resistive strip
    • 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
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/228—Heated wire resistive ribbon, resistive band or resistive strip characterised by the means for electrically connecting the ends of said heated wire, resistive ribbon, resistive band or resistive strip
    • 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
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/229—Heated wire resistive ribbon, resistive band or resistive strip characterised by the means for tensioning said heated wire, resistive ribbon, resistive band or resistive strip
    • 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
    • B29C65/38—Impulse heating
    • 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
    • B29C65/7433—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 the tool being a wire
    • 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
    • B29C65/7441—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 for making welds and cuts of other than simple rectilinear form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
    • B29C65/7888—Means for handling of moving sheets or webs
    • B29C65/7891—Means for handling of moving sheets or webs of discontinuously moving sheets or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
    • B29C66/2422—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical
    • B29C66/24221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical being circular
    • 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
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/244—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being non-straight, e.g. forming non-closed contours
    • 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
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/244—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being non-straight, e.g. forming non-closed contours
    • B29C66/2442—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being non-straight, e.g. forming non-closed contours in the form of a single arc of circle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/345—Progressively making the joint, e.g. starting from the middle
    • B29C66/3452—Making complete joints by combining partial joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • 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
    • B29C66/812—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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8122—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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or 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
    • B29C66/814—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
    • B29C66/818—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
    • B29C66/8187—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 electrical insulating constructional aspects
    • B29C66/81871—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 electrical 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
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8324—Joining or pressing tools pivoting around one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/841—Machines or tools adaptable for making articles of different dimensions or shapes or for making joints of different dimensions
    • B29C66/8412—Machines or tools adaptable for making articles of different dimensions or shapes or for making joints of different dimensions of different length, width or height
    • B29C66/84123—Machines or tools adaptable for making articles of different dimensions or shapes or for making joints of different dimensions of different length, width or height of different height
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/861—Hand-held 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
    • 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
    • B29C66/80—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
    • B29C66/812—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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8126—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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/81261—Thermal properties, e.g. thermal conductivity, thermal expansion coefficient
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2909/00—Use of inorganic materials not provided for in groups B29K2803/00 - B29K2807/00, as mould material
    • B29K2909/02—Ceramics

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Package Closures (AREA)

Description

Gerät zur Herstellung einzelner verschlossener Packungen mit einer Heißklebevorrichtung mit Impulsbeheizung Die Erfindung bezieht sich auf ein Gerät zur Herstellung einzelner verschlossener Packungen mit einer Heißklebev. orrichtung mit Impulsbeheizung zum Kleben und gleichzeitigem Schneiden von übereinanderliegenden Schichten aus heißklebbaren bogenförmigem Material, mit einem dünnen flachen langgestreckten Heizelement, das einen hohen elektrischen Widerstand hat, durch einen über das Element laufenden elektrischen Stromimpuls beheizt wird und als Klebe- und Schneidvorrichtung dient, mit einer langgestreckten Schiene aus wärmeleitfähigem Material mit einer verhältnismäßig großen Masse, an der in wärmeleitfähiger Verbindung eine elektrische Isolation angebracht ist, die eine Nut aufweist, in der das Heizelement, das in Anlage mit dem bogenförmigen Material zu bringen ist, gelagert ist, wobei die Isolation das Heizelement gegenüber der Halterungsschiene elektrisch isoliert.Device for the production of individual sealed packages with a Hot-melt gluing device with pulse heating The invention relates to an apparatus for the production of individual closed packs with a hot-melt adhesive. device with impulse heating for gluing and simultaneous cutting of superimposed Layers of heat-sealable sheet-like material, elongated with a thin flat Heating element, which has a high electrical resistance, by one over the element running electrical current pulse is heated and used as a gluing and cutting device serves, with an elongated rail made of thermally conductive material with a relatively large mass to which an electrical connection is thermally conductive Insulation is attached, which has a groove in which the heating element, which is in Attachment is to be brought with the sheet-like material, is stored, with the insulation the heating element is electrically isolated from the mounting rail.

Es ist bei solchen Geräten zur Herstellung verschlossener Packungen durch Heißversiegeln thermoplastischer Polien bekannt, ein langgestrecktes Heizelement als Schweiß- und Abtrennmittel zu verwenden, das in einer Ausführungsform aus einem unter Federspannung stehenden Draht besteht.It is in such devices for the production of sealed packages known by heat sealing thermoplastic polishes, an elongated heating element to be used as a welding and separating means, which in one embodiment consists of one wire under spring tension.

Die Vorspannfeder hält den Heizdraht unabhängig von Dimensionsänd erungen bei der Aufheizung und Abkühlung des Drahts stets straff gespannt. Da der Heizdraht bei dieser bekannten Geräteausführung zwischen seinen Enden frei aufgehängt ist, bestehen bezüglich seiner Abstützung keine besonderen Probleme.The pretensioning spring holds the heating wire regardless of the dimensional change During heating and cooling, the wire is always taut. Since the In this known device version, the heating wire is freely suspended between its ends is, there are no particular problems in terms of its support.

Bei einem anderen bekannten Gerät wird ein Metallband als Heizelement verwendet,'das an seinen beiden Enden in Isolierklemmen befestigt ist. Dieses Heizband ist ferner über den größten Teil seiner Länge in einem zweiteiligen Träger zwischen zwei Isolierschichten fest eingespannt, so daß es sich bei der Erwärmung und Abkühlung nicht ohne weiteres zwischen diesen Isolierschichten in Längsrichtung verschieben kann.Another known device uses a metal band as a heating element used, 'which is attached at both ends in insulating clamps. This heating tape is also in a two-part carrier between for most of its length two layers of insulation firmly clamped, so that it is during heating and cooling do not move easily between these insulating layers in the longitudinal direction can.

Dadurch besteht jedoch die Gefahr, daß Spannungen auftreten und das bandförmige Heizelement vorzeitig zu Bruch'geht und ausfällt.However, there is a risk that tension will occur and that strip-shaped heating element breaks prematurely and fails.

Der Erfindung liegt die Aufgabe zugrunde, die obigen Mängel bekannter Geräte zu vermeiden und das Heizelement über seinen Arbeits- oder Wirkungsbereich so zu haltern, daß es sich aufgrund der thermischen Belastung ungehindert in Längsrichtung verschieben kann und somit schädliche mechanische Spannungen vermieden sind.The invention is based on the object of making known the above shortcomings Avoid devices and the heating element beyond its working or effective range to be held in such a way that it is unhindered in the longitudinal direction due to the thermal load can move and thus harmful mechanical stresses are avoided.

Gemäß der Erfindung wird diese Aufgabe dadurch gelöst, daß das in Querrichtung starre Element in der Nut der Isolation unter Ausbildung eines nach oben hervorstehenden Längssandes so gehalten ist, daß das Element sich in Längsrichtung der Nut ungehindert bewegen kann, wenn es sich ausdehnt oder zusammenzieht, und daß in bekannter Weise eine Vprspannvorrichtung antriebsmäßig mit dem Element verbunden ist, um das Element während seiner Ausdehnung und Zusammenziehung in Längsrichtung in gespanntem Zustand zu halten. Das Heizelement kann sich dadurch bei seiner Aufheizung und Abkühlung ungehindert in Längsrichtung bewegen, wird gleichzeitig stets unter Vorspannung gehalten und zuverlässig abgestützt. Mechanische Spannungen, die bei den bekannten Geräten häufig einen Ausfall des Heizelements verursachen, werden durch die erfindungsgemäße Abstützung des Heizelements ausgeschaltet.According to the invention, this object is achieved in that the in Transverse direction rigid element in the groove of the insulation with the formation of an after above protruding longitudinal sand is held so that the element extends in the longitudinal direction the groove can move freely when it expands or contracts, and that in a known manner a Vprspannvorrichtung drivingly connected to the element is to the element during its longitudinal expansion and contraction to hold in tensioned condition. This can cause the heating element to move when it is heated up and cooling move unhindered in the longitudinal direction, is always under at the same time Pre-tension held and reliably supported. Mechanical stresses that occur at the known devices often cause a failure of the heating element switched off by the inventive support of the heating element.

In weiterer Ausbildung der Erfindung kann die langgestreckte Schiene aus wärmeleitfähigem Material eine sich in längsrichtung erstreckende Nut aufweisen, in der die Isolation angeordnet ist.In a further embodiment of the invention, the elongated rail made of thermally conductive material have a longitudinally extending groove, in which the insulation is arranged.

Die elektrische Isolation kann eine Reihe von einzelnen Isolationselementen aufweisen, die stirnseitig in der Nut der Schiene angeordnet sind, und jedes Isolationselement kann eine in Längsrichtung verlaufende Nut enthalten, die mit den Nuten benachbarter Isolationselemente zur Ausbildung der Nut fluchtet.The electrical insulation can consist of a number of individual insulation elements have, which are arranged at the end in the groove of the rail, and each insulation element may include a longitudinal groove that is adjacent to the grooves Aligns insulation elements to form the groove.

Das straff gespannte Heizelement kann zwei rechtwinklig zueinander verlaufende Teile zum Kleben in Längsrichtung und Querrichtung zur Längsseite des Materials aufweisen, wobei das Querelement über das Längselement sowohl vorne als auch hinten hinausragt.The taut heating element can be two at right angles to each other running parts for gluing in the longitudinal direction and transverse to the longitudinal side of the Have material, the transverse element on the longitudinal element both in front as also protrudes at the rear.

Das straff gespannte Heizelement kann ferner in Längsrichtung am Schneidende gewölbt sein, und es kann ein ähnliches, umgekehrt gewölbtes Heizelement in der Nähe des ersten Elements so angeordnet sein, daß die beiden Elemente die Matellialshhichten längs einer kontinuierlichen Umfangskante kleben und schneiden.The heating element, which is tensioned taut, can also be positioned in the longitudinal direction at the cutting end be domed, and there may be a similar, inverted domed heating element in the Be arranged near the first element so that the two elements the Matellialshichten Glue and cut along a continuous peripheral edge.

Die Erfindung wird anschließend anhand der Zeichnung mehrerer Ausfffhrungsbeispiele näher erläutert. Es zeigen: Fig. 1 eine perspektivische Ansicht der Einrichtung; Fig. 2 einen Teil der Einrichtung nach Fig. 1 in der Ansicht von oben; Fig. 3 einen senkrechten Schnitt in vergrößertem Maßstab längs einer Linie 3-3 nach Fig. 1, wobei die Einrichtung in Arbeitastellung für das Heißkleben gezeigt ist) Fig. 4 eine perspektivische Ansicht eines Teiles des Xeißklebe-und Schneidbauteiles der Einrichtung und Fig. 5 eine Ansicht einer Einrichtung nach einer anderen AusfUhrungsform gemäß der Erfindung von oben.The invention is then illustrated by several exemplary embodiments explained in more detail. Show it: Fig. 1 is a perspective view the establishment; FIG. 2 shows a part of the device according to FIG. 1 in the view from FIG above; 3 shows a vertical section on an enlarged scale along a line 3-3 according to FIG. 1, the device being shown in the working position for hot-melt gluing 4 is a perspective view of part of the adhesive and cutting component of the device and FIG. 5 shows a view of a device according to another embodiment according to the invention from above.

In den Fig. 1 bis 4 ist die Heißklebe- und Schneideinrichtung 10 dargestellt, die eine Verpackungsmaschine zeigt, und die seitlich im abstand voneinander angeordnete Wände 12 und 14 aufweist, welche ein U-förmiges Gestell 16 tragen, das eine horizontale Rolle 18 aufnimmt, auf welcher eine Zuführrolle 20 aus heißklebenbarem blattförmigém Verpackungsmaterial 22 aufgewickelt ist, z. B. durch wichtiges Polyäthylen. Das blattförmige Material kann von Hand aus der Zuführrolle abgezogen und in Längsrichtung des Materials bewegt werden, so daß es zwischen der Hei@klebe- und Schneidvorrichtung 24 und der damit zusammenwirkenden Druckvorrichtung 26 angeordnet ist, wobei letztere auf einem von Hand bewegbaren Kopf teil 28 befestigt ist. Das heißklebbare, blattförmige Material wird in Längsrichtung gefaltet und bildet übereinanderliegende Schichten 29 und 29a, bevor es in seine Rolle gewickelt wird, die so angeordnet ist, daß die gefaltete Kante 30 an den unteren Teil der Einrichtung zu liegen kommt. Der Kopfteil 28 ist drehbar bei 32 am Rahmen 14 befestigt und mit einem Handgriff 34 versehen, damit der Kopfteil in die lruokzuführ- oder -klebestellung bzw. von dieser weg gebracht werden kann. In dieser Stellung wird der Druck auf die Schichten des Materials aufgebracht, die zwischen der Abdichtvorriohtung 24 und der Druckvorrichtung 26 erfaßt werden.In FIGS. 1 to 4, the hot-melt adhesive and cutting device 10 is shown, which shows a packaging machine, and the one arranged laterally at a distance from one another Has walls 12 and 14 which support a U-shaped frame 16 which has a horizontal Roll 18 receives on which a feed roll 20 made of heat-sealable sheet-shaped Packaging material 22 is wound, e.g. B. by important polyethylene. That sheet material can be drawn off the feed roll by hand and lengthways of the material are moved so that it is between the Hei @ gluing and cutting device 24 and the cooperating printing device 26 is arranged, the latter on a manually movable head part 28 is attached. The heat-sealable, sheet-shaped Material is folded lengthways and forms layers on top of each other 29 and 29a before it is wound into its roll, which is arranged so that the folded edge 30 comes to rest on the lower part of the device. The headboard 28 is rotatably attached at 32 to the frame 14 and provided with a handle 34, so that the head part is brought into the lruokzuführ- or -klebestellung or away from this can be. In this position the pressure is applied to the layers of material, the between the sealing device 24 and the printing device 26 can be detected.

Die Gegenstände, die in dem Material 22 verpackt werden sollen, liegen auf einem Boden 36 und der Boden ist ao einstellbar, daß er auf verschiedene Höhen entaprechend verschieden hohen Wegenständen einstellbar ist. Zu diesem Zweck weisen die nahmenwände 12 und 14 jeweils einen senkrecht verlaufenden schlitz 38 a eine Feststellschraube 40 greift durch jeden der Schlitze und ist mit einem Bauteil 42 verbunden, der nach unten aus dem unteren j'eil des Bodens hervorragt. Wenn die Schrauben festgezogen sind, greift der Kopf der Schraube in die Teile des Rahmens in der JEhe des Schlitzes 38 ein und befestigt den Boden in einer bestilamten Hohe. Um die Höhe des Bodens zu verstellen, werden die Schrauben löst, so daß sie im Schlitz senkrecht auf und ab bewegt werden können, Die Heißklebe- und Schnaidvorrichtung 24 weist ein stationäres Heißklebe- und Schneidbauteil 44 auf1 das quer zur Einrichtung liegt und das an einer querverlaufenden Schiene 46 mit Hilfe von Schrauben 48 befestigt ist. Ein weiteres Heißklebe- und Schneidbauteil 50 verläuft in Längsrichtung zur Einrichtung und ist mit de:n Rahmenteil 12 über Schrauben 48 verbunden. Das Querabklebebauteil 44 verläuft von einer hinteren Stellung unterhalb der gefalteten Kante 30 des heißklebbaren Materials nach vorne in eine Stellung unterhalb der getrennten Seitenkanten 52 und 54 des Materials, klebt einen Teil des Materials am Abdichtbauteil 44 und trennt diesen von der Speiserolle 20. Das Elebebauteil 50 verläuft in der Längsrichtung zur Einrichtung und steht am einen Ende an einer Stelle, die zwischen den Enden des letzteren Bauteiles liegt, mit dem Querabdichtbauteil 44 in Eingriff, so daß das Material in einer Längslinie geklebt und abgetrennt wird,und die Linie vom Bauteil 44 in einer Richtung auf das Bodenende der Einrichtung hin verläuft.The objects to be packaged in the material 22 lie on a floor 36 and the floor is also adjustable so that it is at different heights is adjustable according to different high distances. To this end, wise the walls 12 and 14 each have a perpendicular slot 38 a one Set screw 40 engages through each of the slots and is attached to a component 42 connected, which protrudes downward from the lower part of the floor. If the Screws are tightened, the head of the screw engages the parts of the frame in the vicinity of the slot 38 and fasten the floor at a styled height. To adjust the height of the floor, loosen the screws so that they are in the slot Can be moved vertically up and down, The hot glue and cutting device 24 includes a stationary hot glue and cutting member 44 that is transverse to the device and that is attached to a transverse rail 46 with the aid of screws 48 is. Another hot-melt adhesive and cutting component 50 runs in the longitudinal direction to Device and is connected to the frame part 12 via screws 48. The transverse masking component 44 extends from a rearward position below the folded edge 30 of the heat sealable Material forward to a position below the separate side edges 52 and 54 of the material, adheres a portion of the material to the sealing member 44 and separates these from the feed roller 20. The element 50 extends in the longitudinal direction to set up and stands at one end at a point between the ends of the latter component is in engagement with the transverse sealing component 44, so that the material is glued and separated in a longitudinal line, and the line from the component 44 extends in a direction towards the bottom end of the device.

Die Heißklebe- und Schneidbauteile 44 und 50 sind ähnlich ausgestaltet. Jedes der Bauteile weist eine längliche- Schiene 56 aus gut wärmeleitendem Material, beispielsweise Aluminium auf, das eine verhältnismäßig große Masse besitzt, so daß es schnell Wärme absorbieren und leiten kann, damit das durch Impulse beheiste Klebe- und Schneidelement 58 rasoh gekühlt wird, wenn der Heisstrom unterbrochen iot, Die Schiene weist eine in Längsrtohtu verlaufende Nut 60 auf, die sich in Richtung der Schiene erstreok und einen schwalbenschwanzförmigen Querschnitt besitzt. insbesondere sind die seitlich im Abstand voneinander angeordneten Seitenwandungen 62 der Nut so auSgebildet daß sie nach abwärts vom oberen Ende der Nut zum unteren auseinanderlaufen0 Mehrere getrennte keramische elektrische Isolatoren 64> z.B. aus Aluminiumoxyd, verlaufen in Längsrichtung in der Nut und stossen Ende an Ende aneinander. Jeder Isolator weist die Form eines Blockes auf, der in Längsrichtung in Abstand angeordnete parallel Endwandungen 66 erhält, die senkrecht zwischen den seitlioh im Abstand angeordneten parallelen oberen und unteren Wandungen 68 und 70 des Blattes verlaufen. Die seitlich im Abstand angeordneten Seitenwandungen 72 des Blockes verlaufen in Längsrichtung zwischen den Enwandungen 66 und divergieren von der oberen Wandung 68 bis zur unteren Wandung 70 um den gleichen Betrag wie die entsprechenden Seitenwandungen 62 der Nut 60. Der Querschnitt der Isolatoren 64 weist die Form eines schwalbenschwanzförmigen Zapfens auf, so daß die Isolatoren endseitig in die Längsnut 60 der Schiene eingesetzt werden kennen und in der Nut wegen der schwalbenschwanzförmigen Ausbildung, die durch die divergierenden Seitenwandungen der Nut und der Isolatoren gebildet wird, festgehalten werden.The hot glue and cutting components 44 and 50 are configured similarly. Each of the components has an elongated rail 56 made of a material that conducts heat well, for example aluminum, which has a relatively large mass, so that it can quickly absorb and conduct heat so that the adhesive and cutting element 58 is cooled rapidly when the hot current is interrupted iot, the Rail has a longitudinal groove 60 which extends in the direction of the Rail extends and has a dovetail-shaped cross-section. in particular are the laterally spaced apart side walls 62 of the groove designed so that they diverge downwards from the upper end of the groove to the lower end Several separate ceramic electrical insulators 64> e.g. made of aluminum oxide, run in the longitudinal direction in the groove and abut one another end to end. Everyone The isolator is in the form of a block spaced apart in the longitudinal direction parallel end walls 66, which are spaced vertically between the seitlioh arranged parallel upper and lower walls 68 and 70 of the sheet extend. The laterally spaced apart side walls 72 of the block extend in FIG Longitudinal direction between the end walls 66 and diverge from the upper wall 68 to the lower wall 70 by the same amount as the corresponding side walls 62 of the groove 60. The cross section of the insulators 64 has the shape of a dovetail Pin on so that the insulators are inserted at the end into the longitudinal groove 60 of the rail will know and in the groove because of the dovetail-shaped training that is formed by the diverging side walls of the groove and the insulators, be held.

Jeder Isolator weist eine verhältnismäßig schmale Nut 74 auf, die in Längsrichtung vbn einer Endwandung zur anderen verläuft und mit der Nut des benachbarten Isolators so übereinstimmt, daß eine kontinuierliche Längsnut in jedem der Heißklebe- und Schneid bauteile §4 und 50 entsteht. Diese Nut verläuft in derselben Rich tung wie das entsprechende Bauteile Emn dünnes längliche. Heißklebe - und Schneidelement 76 und 782 das die rorm eines Bandes aufweist, ist in die entsprechende Nut, die durch die Isolatoren der Abdichtbauteile 44 und 50 ausebildet wird, einem setst und die Seiten des Elementes stehen in Längsrichtung in gleitendem Kontakt mit den Seitenwandungen der Nut, so daß das Bauteil sich in Längsrichtung der'Nut frei ausdehnen und zusammenziehen kann. Die Abdichtelemente 76 und 78 betehen aus einem Metall mit hohem elektrischem Widerstand, beispielsweise einer Rickel-0hrom-Sta'hllegierungt die auch gegenüber hohen Temperaturen widerstandsfähig ist. Bänder ton ungefähr 0,25 bis 0,5 mm Stärke haben in der Praxis gute Ergebnisse gezeigt. Die Elemente erstrecken sich von der entaprechenden Nut 74 über die obere Fläche der Schiene 56 nach außen und ergeben eine dünne Heißklebe- und Schneidkante 80 (Fig. 3).Each isolator has a relatively narrow groove 74 that runs in the longitudinal direction from one end wall to the other and with the groove of the adjacent one Insulator so that there is a continuous longitudinal groove in each of the and cutting components §4 and 50 is created. This groove runs in the same direction like the corresponding component Emn thin elongated. Hot glue - and cutting element 76 and 782, which is in the form of a ribbon, is in the corresponding one Groove formed by the insulators of the sealing members 44 and 50, one setst and the sides of the element are in sliding contact in the longitudinal direction with the side walls of the groove, so that the component moves in the longitudinal direction of the groove can expand and contract freely. The sealing elements 76 and 78 betehen a metal with high electrical resistance, for example a Rickel-0hrom steel alloy which is also resistant to high temperatures. Bands sound roughly A thickness of 0.25 to 0.5 mm has shown good results in practice. The Elements extend from the corresponding groove 74 across the top surface of the rail 56 to the outside and result in a thin hot-melt adhesive and cutting edge 80 (FIG. 3).

Bin Ende eines jeden Klebeelementes 76 und 78 weist einen elektrischen Anschluß 82 auf, an den eine Leitung 84 im Falle des Ele netes 78 und eine Leitung 86 im Falle des Elementes 76 angeschlos sen ist, über die der Heizstrom für die entsprechenden Elemente zugeführt werden kann. Eine Zugfeder 87 ist mit ihrem einen Ende mit dem Anschluß 82 und mit dem entgegengesetzten Ende an einem elektrisch nicht leitenden Bauteil 88 verbunden, der seinerseits mit den Rahmen 12 im Palle des Bauteiles 50 und mit der Schiene 46 im Halle des Bauteiles 44 in Verbindung steht. Das I3auteil 88 ist L-förmig ausgebildet und der kurze Schenkel des Bauteilee bedeckt einen Teil des entsprechenden Endes der Nut 60, so daß die Isolatoren 64 in der Tut zurtokgehalten werden.The end of each adhesive element 76 and 78 has an electrical Terminal 82 to which a line 84 in the case of Ele nets 78 and a line 86 in the case of the element 76 is ruled out over which the heating current for the appropriate elements can be supplied. A tension spring 87 is with its one End to terminal 82 and the opposite end to one electrical non-conductive component 88 connected, which in turn with the frame 12 in the Palle of the component 50 and with the rail 46 in the hall of the component 44 in connection stands. The component 88 is L-shaped and the short leg of the component covers part of the corresponding end of the groove 60 so that the insulators 64 be held back in tut.

Wie am besten der Fig. 2 zu entnehmen, liegt das Ende des Xlebebauteile 50, das keinen Ansohluß aufweist, an der Seite des Klebe. bauteile 44 an einer Stelle zwischen den Enden des letzteren Bauteiles an. Das Ende des Abdichtelementes 78 ohne hnsohluß, erstres sich vom Ende der Schiene 56 des Bauteiles 50 durch einen Schlitz 90 hindurch, der in der Seite der Schiene 56 des Bauteiles 44 vor gesehen ist, und ist um 900 abgebogen, so daß es in Längsrichtung dei Elementes 76 über eine kurze Stecke in Berührung damit kommt.As can best be seen in FIG. 2, the end of the Xle components is located 50, which does not have a socket, on the side of the adhesive. components 44 in one place between the ends of the latter component. The end of the sealing element 78 without hnsohluß, first stres from the end of the rail 56 of the component 50 by a Slot 90 through it, seen in the side of the rail 56 of the component 44 before is, and is bent by 900 so that it is in the longitudinal direction of the element 76 over a short stretch comes into contact with it.

Es ist nocheinmal um 900 abgebogen, eo daß es in einer Richtung parallel zu sich selbst durch einen anderen Schlitz 92 in der Seite der Schiene 56 des Bauteiles 44 verläuft und ist in seiner Lage zwischen der Seite des Bauteile 50 und der Seite des Rahmenteiles 12 befestigt. huS diese Weise ist das Ende des Elebeelementes 78 ohne Anschluß starr gegen Bewegung gehalten und steht in elektrischem Kontakt mit dem Abdichtelement 76.It turned another 900, so that it is parallel in one direction to itself through another slot 92 in the side of the rail 56 of the component 44 extends and is in position between the side of component 50 and the side of the frame part 12 attached. huS this way is the end of element 78 held rigidly against movement without connection and is in electrical contact with the sealing element 76.

Das Ende des Abdichtelementes 76 ohne Anschluß erstreckt sich von dem entsprechenden Endender Schiene 56 des Bauteiles 44 aus und ist um 90° abgebogen. Ein elektrisches Isolierbauteil 94 verläuft quer zum Ende der Schiene und hält die Isolatoren 64 in ihrer Stellung in der entsprechenden Nut 60 und der umgebogene Teil des Elementes 76 ist in seiner Stellung zwischen dem Isolie@ bauteil 94 und einer elektrisch leitenden Platte 96 befestigt, mit der er in elektrischem Kontakt steht und an die eine elektrische Leitung 98 angeschlossen ist, über die das Element 76 Heizstrom erhält.The terminal end of the sealing element 76 extends from the corresponding end of the rail 56 of the component 44 and is bent by 90 °. An electrical insulating component 94 extends across the end of the rail and holds the Insulators 64 in their position in the corresponding groove 60 and the bent over Part of the element 76 is in its position between the Isolie @ component 94 and attached to an electrically conductive plate 96 with which it is in electrical contact stands and to which an electrical line 98 is connected via which the element 76 heating current received.

Die Heizelemente 76 und 78 sind an der Steile geerdet, an der 3if aufgrund des Ineinandergreifens des Endes des Elementes 78 ohne Anschluß mit dem geerdeten Rahmen 12 aufeinanderstoßen.Das Anschlußende des Elementes 78 ist mit einer geerdeten Spannungsquelle (nicht dargestellt) über die Leitung 84 verbunden. Beide Enden des lilebeelementes 76 sind an die Anschlüsse einer anderen und getrennten Spannungsquelle (nicht dargestellt) über die entsprechenden Leitungen 86 und 98 angeschlossen. Diese getrennten Spannungsquellen speisen einen kurzen Impuls hoher Stromstärke in das entsprechende Heißklebe- und Schneidelement ein, um es für den Heißklebe- und Schneidvorgang rasch aufzuheizen. Die ledern 87 führen eine Zugspannungen Längsrichtung zum Klebe- und Schni9i element zu und gewährleisten dabei eine weiche zusammenziehende und ausdehnende Längsbewegung des Elementes in der entsprechenden Nut 74 und halten das Element während der Ausdehnung und Zusammen ziehung straff gespannt. Dies ist deshalb sehr wesentlich, weil der Heizstrom dem Element in einer kurzen Impulsperiode zugeführ+ wird und da der Strom sehr groß und das Element dünn und lang folgt eine fast augenblickeliche Beheizung undAusdehnung des Elementos. wenn der S@romimpuls unterbrochen wird, erfolgt eine rasche Kühlung und eine entsprechende Zusammenziehung des Elementes entgegen der Federspannung.The heating elements 76 and 78 are grounded at the point at the 3if due to the interlocking of the end of member 78 with no connection to the grounded frame 12 collide. The connection end of element 78 is with A grounded voltage source (not shown) is connected via line 84. Both ends of the lilebeelementes 76 are connected to the terminals of another and separate Voltage source (not shown) via the corresponding lines 86 and 98 connected. These separate voltage sources feed a short pulse higher Amperage in the appropriate hot glue and cutting element to make it for the Heat up the hot gluing and cutting process quickly. The leathers 87 lead a tensile stress Lengthways to the gluing and cutting element and ensure a soft contracting and expanding longitudinal movement of the element in the corresponding Groove 74 and keep the element taut during expansion and contraction tense. This is very important because the heating current flows through the element in a short pulse period and because the current is very large and the element is thin and long an almost instantaneous heating and expansion follows of the element. if the S @ rom pulse is interrupted, rapid cooling takes place and a corresponding contraction of the element against the spring tension.

Die geringe thermische Masse des beheisten Elementes und sein hoher elektrischer Widerstand bewirken, daß das Element seine Klebetemperatur sehr rasch erreicht, wenn Strom durch das Element hindurchgeleitet wird, sobald der Schalter 100 durch Schließen des Kopfteiles 28 in die Betriabsstellung gebracht wird, Die keramischen Isolatoren 64 werden durch die hohen Temperaturen der Klebeelemente nicht beeinträchtigt und können lange Zeit arbeiten, ohne daß sie ihre elektrisch isolierenden Eigenschaften verlieren. Der Strom, der in die Heizelemente 76 und 78 eingespeist wird, bewirkt eine rasche Beheizung der Elemente und die große thermische Masse der Schienen 56 bringt mit sich, daß die hohen Temperaturen für die anderen Teile der Klebebauteile 50 und 44 aufrechterhalten worden können. Dadurch ergibt sich auch eine rasche Abkühlung des Hei@ elementes zwischen den Stromimpulsen, so daß eine verbesserte Druckklebung erhalten wird, ohne daß die heißgeklebten Kantender Verpackung beschädigt werden, wenn der Kopfteil 28 in Arbeitsstellung gehalten wird, nadhdem der Stromimpule durch Steuerung einer Zeitvorrichtung, die über den Schalter 100 betätigt wird, beendet wird, Die keramischen Isolatoren ermöglichen eine rasche Beheizung der Klebeelemente und sind dünn genug, daß ein Wärmestrom zur Schiene 56 zwischen den Reizimpulsen fließen kann. Vorzugsweise beträgt die Dicke des keramischen Materials an jeder Seite des Bandes etwa 1,5 mm und die Gesamthöhe der Isolatoren etwa 45 mm. Die Nut 74 ist etwa 3 mm tief' Die Schiene 56 wirkt aufgrund ihrer großen thermischen Masse als Wärmegefälle, ferner dechalb, weil der Rahmen der Maschine aus Metall besteht und thermisch leitend mit der Schiene verbunden ist, wodurch eine zusätzliche thermische Leitung erzielbar ist, damit zu hohe Erwärmungen der Schiene vermieden werden.The low thermal mass of the included element and its high electrical resistance cause the element to reach its sticking temperature very quickly achieved when current is passed through the element once the switch 100 is brought into the operational position by closing the head part 28, The ceramic insulators 64 are due to the high temperatures of the adhesive elements not impaired and can work for a long time without their being electrically operated lose insulating properties. The current flowing into the heating elements 76 and 78 is fed in, causes rapid heating of the elements and the large thermal Mass of the rails 56 means that the high temperatures for the others Parts of the adhesive components 50 and 44 can be maintained. This results in there is also a rapid cooling of the heating element between the current pulses, see above that an improved pressure bond is obtained without the heat-bonded edges of the Packaging are damaged if the head part 28 is held in the working position, nadhdem the current impulses by controlling a timer, which is controlled by the switch 100 is actuated, is terminated, The ceramic insulators enable rapid Heat the adhesive elements and are thin enough to allow heat to flow to the rail 56 can flow between the stimulus pulses. Preferably the thickness of the ceramic Material on each side of the tape about 1.5mm and the total height of the insulators about 45 mm. The groove 74 is about 3 mm deep. The rail 56 acts because of its large size thermal mass as a heat gradient, furthermore dechalb because the frame of the machine consists of metal and is thermally conductively connected to the rail, whereby an additional thermal conduction can be achieved so that excessive heating of the Rail should be avoided.

Die Druchzuführvorrichtung 26 besteht aus einem hitzebeständigen und elektrisch nicht leitenden, widerstandsfähigen Material, beispielsweise Silikongummi und weist die in der Zeichnung dargestellte Form auf, so daß einander gegenüberstehende Flächen 102 gebildet werden, die als Anschlag für die Schneid- und Klebekanten 80- der Elemente 76 und 78 wirken.The throughfeed device 26 consists of a heat-resistant and electrically non-conductive, resistant material, for example silicone rubber and has the shape shown in the drawing, so that opposing Areas 102 are formed, which act as a stop for the cutting and gluing edges 80- of elements 76 and 78 act.

BU der Verwendung der Einrichtung wird das heißklebbare Material 22 von der Rolle 20 abgezogen und zwischen die Heißklebe- und Schne idvorrichtung 24 und die Druckzuführvorrichtung 26 geführt.In order to use the device, the heat sealable material 22 becomes withdrawn from the roll 20 and between the hot glue and cutting device 24 and the pressure feeder 26 is guided.

Der Kopfteil 28 wird in seine Arbeitsstellung bewegt, dadurch r der Schalter 100 betätigt und es wird ein Impulaheizstrom eine bestimmte Zeit lang durch die Klebe- und Schneidelemente 76 und 78 hindurchgeleitet; die Zeitdauer wird durch die Zeitvorrichtung (nict dargestellt) bestimmt, so daß da Kleben und Schneiden des Materials gleichzeitig längs einer Querlinie erfolgt, die von der gefalteten Kante 30 des Materials zu den Kanten 52 und 54 und längs einer Linie verläuft, die von d Querlinie in Längsrichtung entgegengesetzt zu der gefalteten Kante 30 und in Richtung auf den Boden der Einrichtung zu führt. Dieser Klebe- und Schneidvorgang trennt den Teil des Materials, der aus dem Querbauteil 44 gegen den Boden der Einrichtung vorsteht, von der Zuführrolle 20 ab und das abgetrennte Stück Material wird längs einer Querlinie und längs einer Längslinie, die entgegengesetzt zur gefalteten Kante 30 liegt verklebt, Der Teil des Materials, der noch mit der Rolle 20 -bunden ist, weist nun eine vordere Querkante auf, die verklebt ist.The head part 28 is moved into its working position, thereby r the Switch 100 is actuated and a pulse heating current is passed through for a certain period of time the gluing and cutting elements 76 and 78 passed therethrough; the length of time is through the timing device (not shown) is determined so that there is gluing and cutting of the material is carried out simultaneously along a transverse line drawn by the folded Edge 30 of the material to edges 52 and 54 and along a line that passes through from d transverse line in the longitudinal direction opposite to the folded edge 30 and towards the bottom of the facility too. This gluing and cutting process separates the portion of material coming from the cross member 44 against the floor of the facility protrudes from the feed roller 20 and the severed piece of material becomes longitudinal a transverse line and along a longitudinal line opposite to the folded edge 30 is glued, the part of the material that is still bound to the roll 20, now has a front transverse edge that is glued.

Das aal wird dann weiter abgewickelt und das vordere verklebte Querende wird in Längsrichtung zur Einrichtung zwischen die Druckzuführvorrichtung 24 und die Klebe und Schneidvorrichtung 26 gebracht. Der Gegenstand A, d verpackt werden soll, wird zwischen. die Schichten 29. und 29a des Materials Ueber die voneinander getrennten Seitenkanten 52 und 52 eingesetzt und der Betätigungskopfteil wird wieder in die Arbeitsstellung gebracht, so daß eine wellständig verklebte Packung entsteht, die gleichzeitig von der Zuführrolle 20 getrennt wird.The eel is then further unwound and the front glued transverse end is in the longitudinal direction to the device between the pressure feeder 24 and the gluing and cutting device 26 brought. The item A, d to be packed shall be between. the layers 29 and 29a of the material on top of each other separate side edges 52 and 52 used and the actuator head part is again brought into the working position, so that a corrugated, glued pack is created, which is separated from the feed roller 20 at the same time.

Bei jener Betätigung der Einrichtung wird die hintere verk@@ebte Querkante einer Packung gleichzeitig mit dem Verkleben der vorderen Querkante der nächsten Paokung ausgebildet. Das Material, das vom Klebebauteil 50 bis zu den Seitenkanten 52 und 54 des Materials reicht, wird gleichzeitig mit der Vervollständigung und, Trennung. der Packung von der Zuführrolle 20 entfernt. Dia Tatsache, daß das Heißklebe- und Sohneidbautell 44 bis unter die Seitenkanten 52 und 54 des Materials reicht, gewährleistet, daß stets vollständig verklebt Querkanten ausgebildet werden,, die in Querrichtung -zum Material von einer Seitenkante zur entgegengesetzten Seitenkante verlaufen. Dadurch ist es nicht mehr erforderlich@ daß die Quereinstellung daß Materials in bezug- auf das Klebebauteil, 50 exakt erfolgt, wae notwendig war, um zu verhindern, daß Packungen hergestellt werden, die nicht verklebte Kanten besitzen. Letzteres tritt z.B. auf, wenn die Bauteile 44 und 50 ein L bilden und das Bauteil 44 nicht bis unter die Seitenkanten 52 und 54 des Materials reicht.When the device is actuated, the rear truncated transverse edge is trimmed one pack at the same time as gluing the front transverse edge of the next Paokung trained. The material that extends from the adhesive component 50 to the side edges 52 and 54 of the material is enough, is done simultaneously with the completion and, Separation. of the package is removed from the feed roller 20. The fact that the hot glue and Sohneidbautell 44 extends to below the side edges 52 and 54 of the material, ensures that transverse edges are always fully bonded, the in the transverse direction -to the material from one side edge to the opposite side edge get lost. This means that it is no longer necessary @ that the transverse adjustment of the material with respect to the adhesive component, 50 takes place exactly what was necessary to prevent that packs are produced that have non-glued edges. The latter occurs, for example, when components 44 and 50 form an L and component 44 does not extends to below the side edges 52 and 54 of the material.

Wie oben bereits ausgefUhrt, ermöglicht die Verwondung von getrennten Isolatoren 64, daß die Heißklebe- und Schneidbauteile auf einfache Weise gewölbt hergestellt werden können, wie in Figur 5 gezeigt. In dieser Ausführungsform der Erfindung weisen die Heißklebe- und Sohneidbauteile 104 und 106 die Form von Halbkreisen auf und dienen zur Herstellung runder Packungen, die Klebebauteile können Jedoch auch eine andere gewölbte Gestalt haben. Die Bauteile werden auf einer Platte 108 gehalten, die mit den Seitenrahmen der Einrichtung befestigt sind. Jedes Ende der Klebebauteile weist eine Ansohlußverbindung 82 und eine Zugfeder 87 auf, wie bereits weiter oben in Verbindung mit Figur 2 beschrieben. Das vordere Klebebauteil 1Q4 wird zur Vervollständigung des hinteren Teiles der Packung verwendet, das hintere Klebebauteil 106 dient zur gleichzeitigen Ausbildung des vorderen Teiles einer anderen Packung, die hinter der ersten Packung angeordnet ist. Um den hinteren Teil der letzteren Packung zu vervollständigen, wird das Material in Längsrichtung nach vorne von der Zuführrolle 20 der Einrichtung weg bewegt, so daß der hintere Teil der Verpackung, der. vervollständigt werden soll, an das Bauteil 104 gebracht wird. Bei der Abwärtsbewegung des Kopfteiles 28 in die Klebestellung wird der hintere Teil der vorderen Verpackung gemeinsam mit der Ausbildung des vorderen Teiles einer anderen Packung, die hinter der eben fertiggestellten Packung liegt, ,vervollständigt. Die Fertigstellung des hinteren Teiles der Verpaokung geschieht in der Weiße, daß die Verpackung von der Zuführrolle 20 abgetrennt wird und daß es bei den Klebebauteilen von halbkreisförmiger Gestalt erforderlich ist, daß die Materialschichten längs einer Seitenkante verbunden werden, wie das bei den Klebebauteilen nach Rigur 1 ebenfalls erforderlich war. Die Druokzuführvorrichtung 26 f(1r die Bauteile 104 und 106 weist offensiohtlich Ausbildungen entsprechend der Ausbildung dieser Bauteile auir Vorzugsweise sind die Heißklebe- und Sohneidbauteile 104 und 106 etwas länger als die Halbkreise, damit die Verpackungen vollständig verklebt werden, ohne daß die Bauteile zueinander besondere genau ausgebildet sein müssen und ohne daß eine genaue Einstellung des Kateriale gegenüber dem Bauteil erforderlich ist.As already stated above, allows the use of separate Insulators 64 that the hot-glue and cutting components arched in a simple manner can be produced as shown in FIG. In this embodiment of the In the present invention, the hot melt adhesive and sons components 104 and 106 are in the shape of semicircles and are used to produce round packs, but the adhesive components can also have a different curved shape. The components are placed on a plate 108 held, which are attached to the side frames of the facility. Each end of the Adhesive components has a connection joint 82 and a tension spring 87, as already described above in connection with FIG. The front adhesive component 1Q4 is used to complete the back of the pack, the back Adhesive component 106 is used to simultaneously form the front part of another Pack that is placed behind the first pack. To the rear of the To complete the latter pack, the material is laid down lengthways in front moved away from the feed roller 20 of the device so that the rear part of the package, the. is to be completed, is brought to the component 104. When moving down of the head part 28 in the glued position is the rear part of the front packaging together with the formation of the front part of another pack, the one behind of the package that has just been completed is,, completed. The completion of the rear part of the Verpaokung happens in the white that the packaging of the Feed roll 20 is separated and that it is semicircular in the adhesive components Shape is required that the material layers are connected along one side edge as was also required for the adhesive components according to Rigur 1. The print feed device 26 f (1r the components 104 and 106 obviously has Training according to the configuration of these components is also preferred the hot glue and sons components 104 and 106 are slightly longer than the semicircles, so that the packaging is completely glued without the components being mutually exclusive must be specially designed precisely and without a precise setting of the Kateriale compared to the component is required.

Die Klebe. und Schneidbauteile kennen auch auf dem beweglichen Kopfteil 28 der Einrichtung befestigt werden, die Druokvorriohtung 26 kann ferner, auch auf dem stationären Rabmenbauteil 12 und der Schiene ß6 ruhen.The glue. and cutting components also know on the movable head part 28 of the device can be attached, the printing device 26 can also be attached to the stationary rail component 12 and the rail ß6 rest.

Claims (5)

Neue Patentansprüche ====================== 1@) Gerät sur Herstellung einzelner verschlossener Packungen itt einer Heißklebevorrichtung mit Impulsbeheizung zum Kleben und gleichzeitigem Schneiden von übereinanderliegenden Schichton aus heißklebbaren bogenförmigem Material, mit einem dünnen flachen langgestreckten Heizelement, das einen hohen elektrisohen Widerstand hat, durch einen über das Element laufenden elektrischen Stromimpuls beheizt wird und als Klebe- und Schneidvorrichtung dient, mit einer langgestrecken Schiene aus wärmeleitfähigem material mit einer verhältnismäßig großen Masse, an der in wärmeleitfähiger Verbindung eine elektrische Isolation angebracht ist, die ein Nut aufweist, in der das Heizelement, das in Anlage mit dem bogenförmigem Material zu bringen ist, gelagert ist, wobei dio Isolation das Heizgegenüber der Halterungsschiene elektrisch isoliert, d a d u r o h g e k e n n z t 0 h n e t @ daß das in Querrichtung starre Element (58) in der Nut (74) der Isolation (64) unter Ausbildung eines nach oben hervorstehenden Längsrandes (80) so gehalten ist, daß das Element stich in Längerichtung der Nut (74) ungehindert bewegen kann, wenn es sich ausdehnt oder zusammenzieht, und daß in bekannter Vetse eine Vorspannvorrichtung (82) antriebsmäßig itt des Element (58) verbunden ist, um das Element während seiner Ausdehnung und Zusammenziehung in Längerichtung in gespanntem Zustand zu halten. New patent claims ======================= 1 @) Device sur production individual sealed packs with a hot-melt adhesive device with pulse heating for gluing and simultaneous cutting of layers on top of each other heat-sealable sheet material, with a thin flat elongated heating element, which has a high electrical resistance, due to a running across the element electric current pulse is heated and serves as a gluing and cutting device, with an elongated rail made of thermally conductive material with a relatively large mass to which an electrical insulation is attached in a thermally conductive connection is, which has a groove in which the heating element, which is in contact with the arcuate Material is to be brought, is stored, the insulation being the heating against the Mounting rail electrically isolated, d a d u r oh g e k e n n z t 0 h n e t @ that the transversely rigid element (58) in the groove (74) of the insulation (64) below Formation of an upwardly protruding longitudinal edge (80) is held so that the element stab in the longitudinal direction of the groove (74) can move freely when it expands or contracts, and that in known Vetse a pretensioning device (82) itt of the element (58) is drivingly connected to the element during its To keep expansion and contraction in the longitudinal direction under tension. 2.) Gerät nach Anspruch 1, d a d u r oh g e k e n n. s cr t o h n e t , daß die langgestreckte Schiene (56) aus wärmeleitfähiem Material eine sich in Längerichtung erstreckende Nut (60) aufweist, in der die Isolation (64) angeordnet ist. 2.) Device according to claim 1, d a d u r oh g e k e n n. S cr t o h n e t that the elongated rail (56) made of thermally conductive material one itself has in the longitudinal direction extending groove (60) in which the insulation (64) is arranged is. 3.) Gerät naoh Anspruch 2, d r d u r e h g I, k e n n -s e i c h n e t , daß die elektrische Isolation (64) eins Reihe von einzelnen Isolationselementen aufweist, die stirnseitig in der Nut (60) der Schiene (56) angeordnet sind, und daß jedes Isolationselement eine in Längsrichtung verlaufende Nut enthält, die mit den Nuten benachbarter Isolationselemente zur Ausbildung der Nut (74) fluchtet.3.) Device naoh claim 2, d r d u r e h g I, k e n n -s e i c h n e t that the electrical insulation (64) is a series of individual insulation elements which are arranged at the end in the groove (60) of the rail (56), and that each insulation element contains a longitudinal groove, which with is aligned with the grooves of adjacent insulation elements to form the groove (74). 4.) Gerät nach einem der Ansprüche 1-3, d a d u r c h g e k e n n 1 e i c h n e t , daß das straff gespannte Heiselement zwei rechtwinklig sueinander verlaufende Teile (76,78) zum Kleben in Längsrichtung und Querrichtung zur Längsseite des Materials aufweist, wobei das Querelement (76) über das Längselement (78) sowohl verne als auch hinten hinausragt.4.) Device according to one of claims 1-3, d a d u r c h g e k e n n 1 e i c h n e t that the tautly stretched hot element two at right angles to each other extending parts (76,78) for gluing in the longitudinal direction and transverse to the longitudinal side of the material, wherein the transverse element (76) via the longitudinal element (78) both verne as well as protruding from the rear. 5.) Gerät nach einem der Ansprüche 1-4, d a a d du r o h g e k 5 n n z e i c h n e t , das das straff gespannte Heiselement in Längsrichtung an Schneidende (Fig. 5) gewölbt ist, und daß ein ähnliches, umgekehrt gewölbtes Heizelement in der zähe des ersten Elementes so angeordnet ist, daß die beiden Elemente (104,106) die Materialschichten längs einer kontinuierlichen Umfangskante kleben und schneiden.5.) Device according to one of claims 1-4, d a a d you r o h g e k 5 n n z e i h n e t that the tautly stretched hot element in the longitudinal direction at the cutting end (Fig. 5) is domed, and that a similar, inverted domed heating element in the tough of the first element is arranged so that the two elements (104,106) glue and cut the layers of material along a continuous peripheral edge.
DE19621436040 1961-05-02 1962-05-02 Device for the production of individual closed packs with a hot-melt adhesive device with pulse heating Pending DE1436040A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US114588A US3047991A (en) 1961-05-02 1961-05-02 Impulse sealing apparatus
US185996A US3135077A (en) 1962-04-09 1962-04-09 Impulse heat-sealing apparatus and heat-sealing member therefor

Publications (1)

Publication Number Publication Date
DE1436040A1 true DE1436040A1 (en) 1968-10-24

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DE19621436040 Pending DE1436040A1 (en) 1961-05-02 1962-05-02 Device for the production of individual closed packs with a hot-melt adhesive device with pulse heating

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3226997A1 (en) * 1982-07-20 1984-01-26 Hensen GmbH, 2810 Verden Method and device for providing articles packed in shrink film with a price marking
DE3923713A1 (en) * 1989-07-18 1991-01-31 Kallfass Gmbh Welding device for packaging films - simultaneously produces two welds along and one across round article being packaged and then final transverse weld

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3226997A1 (en) * 1982-07-20 1984-01-26 Hensen GmbH, 2810 Verden Method and device for providing articles packed in shrink film with a price marking
DE3923713A1 (en) * 1989-07-18 1991-01-31 Kallfass Gmbh Welding device for packaging films - simultaneously produces two welds along and one across round article being packaged and then final transverse weld

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