DE3249235T1 - Hot welding of thermoplastics - Google Patents

Hot welding of thermoplastics

Info

Publication number
DE3249235T1
DE3249235T1 DE19823249235 DE3249235T DE3249235T1 DE 3249235 T1 DE3249235 T1 DE 3249235T1 DE 19823249235 DE19823249235 DE 19823249235 DE 3249235 T DE3249235 T DE 3249235T DE 3249235 T1 DE3249235 T1 DE 3249235T1
Authority
DE
Germany
Prior art keywords
layers
welding device
joining
belt
tape
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.)
Withdrawn
Application number
DE19823249235
Other languages
German (de)
Inventor
Ernst Walter 04016 Center Lovell Me. Gerber
William Richard 08723 Bricktown N.J. Pasco
William Edmund 07753 Neptune N.J. Young
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE3249235T1 publication Critical patent/DE3249235T1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
    • B29C65/1448—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface radiating the edges of the parts to be joined, e.g. for curing a layer of adhesive placed between two flat parts to be joined, e.g. for making CDs or DVDs
    • 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
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • B29C65/2007—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by the type of welding mirror
    • B29C65/203—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by the type of welding mirror being several single mirrors, e.g. not mounted on the same 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
    • 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
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • B29C65/2046—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" using a welding mirror which also cuts the parts to be joined, e.g. for sterile welding
    • 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
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • B29C65/2053—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by special ways of bringing the welding mirrors into position
    • B29C65/2061—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by special ways of bringing the welding mirrors into position by sliding
    • B29C65/2069—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by special ways of bringing the welding mirrors into position by sliding with an angle with respect to the plane comprising the parts to be joined
    • B29C65/2076—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by special ways of bringing the welding mirrors into position by sliding with an angle with respect to the plane comprising the parts to be joined perpendicularly to the plane comprising 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
    • 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
    • B29C65/229—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
    • B29C65/74—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
    • B29C65/7439—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 continuously and longitudinally welding and severing 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
    • B29C66/03—After-treatments in the joint area
    • B29C66/032—Mechanical after-treatments
    • 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
    • B29C66/10—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
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt 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
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/137—Beaded-edge joints or bead seals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7371—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined oriented or heat-shrinkable
    • 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
    • B29C66/818—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
    • B29C66/8187—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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8226—Cam mechanisms; Wedges; Eccentric mechanisms
    • 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
    • B29C66/8227—Transmission mechanisms using springs
    • 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
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83431—Roller, cylinder or drum types; Band or belt types; Ball types rollers, cylinders or drums cooperating with bands or belts
    • B29C66/83433—Roller, cylinder or drum types; Band or belt types; Ball types rollers, cylinders or drums cooperating with bands or belts the contact angle between said rollers, cylinders or drums and said bands or belts being a non-zero angle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/843—Machines for making separate joints at the same time in different planes; Machines for making separate joints at the same time mounted in parallel or in series
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    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
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    • B29C66/7371—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined oriented or heat-shrinkable
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    • 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
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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

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Claims (33)

Schweißvorrichtung zum Verbinden der kongruenten Kanten einer Vielzahl von laminaren Thermoplastlagen, wobei die Vorrichtung zur Schaffung einer Strahlungsheizung zum örtlichen Aufschmelzen der Lagen bei einer programmierten Temperatur und während einer ausgewählten Zeitdauer ausgelegt ist, wobei die Vorrichtung enthält:Welding device for joining the congruent edges of a plurality of laminar thermoplastic layers, the Device for creating a radiant heating system for local melting of the layers in the case of a programmed one Temperature and for a selected period of time, the apparatus comprising: (a) eine Einrichtung zum Ergreifen und Halten der kongruenten Kanten der Materiallagen in einer vorbestimmten Stellung, wobei die Greifeinrichtungen Einrichtungen zum Aufbringen einer vorbestimmten Kraft und zum Entlasten der Kraft und zum Lösen der Greifeinrichtungen nach einer vorge-(a) a device for gripping and holding the congruent edges of the material layers in a predetermined position, wherein the gripping devices means for applying a predetermined force and for relieving the force and for releasing the gripping devices after a predetermined Üf wählten Zeitlänge enthalten;Üf selected length of time included; (b) ein 3and aus leitfähigem Metall und Einrichtungen zum Aufheizen des Bandes auf einen vorbestimmten Temperaturgrad durch und mit einem durch das Band hindurchgeleiteten elektrischen Strom;(b) a strip of conductive metal and means for heating the strip to a predetermined temperature level through and with an electrical current conducted through the tape; (c) Einrichtungen zum Einrichten des geheizten Bandes mit einem vorgewählten Abstand von den kongruenten Kanten der gegriffenen Lagen, und(c) Means for arranging the heated belt at a preselected distance from the congruent edges of the gripped positions, and (d) Einrichtungen zum Kühlen des aufgeschmolzenen Anteils der Lagen, um diese wieder zu verfestigen und zum Aufrechterhalten des Greifzustandes der Lagen, bis die Verfestigung der geschmolzenen Schweißnaht erreicht ist.(d) Means for cooling the melted portion of the layers in order to resolidify and maintain them the gripping state of the layers until solidification of the molten weld is achieved. 2. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 1, bei der die Einrichtung zum Greifen und Halten weiter eine Klemmanordnung enthält, die einander entgegengesetzt liegende Backen besitzt, wobej. eine der Backen zu einem Greifzustand hin und von diesem weg bewegbar ist und die bewegbare Backe eine vorbestimmte Druckkraft ausübt. 2. Welding device for joining sheets according to claim 1, wherein the means for gripping and holding further includes a clamping arrangement having opposing jaws, wobej. one of the jaws is movable toward and away from a gripping state and the movable jaw exerts a predetermined compressive force. 3. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 2, bei der die Klemmanordnung eine feststehende Bodenstützplatte und einen oberen Klemmleistenabschnitt enthält, der in einen Klemmzustand und von diesem weg bewegt wird durch Nockeneinrichtungen, die an einer Welle und durch diese getragen sind,3. welding device for joining layers according to claim 2, wherein the clamping assembly includes a fixed floor support plate and an upper clamping strip portion which is inserted into a Clamped condition and moved away from it by cam means carried on and through a shaft, deren Achse im wesentlichen parallel zur effektiven Schweißnaht der Lagen verläuft.whose axis runs essentially parallel to the effective weld seam of the layers. 4. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 2, bei der die Schweißnaht durch einen Luftstrom gekühlt ist.4. Welding device for joining layers according to claim 2, wherein the weld seam is cooled by an air stream. 5. Schweißvorrichtung nach Anspruch 1, bei der das abgekühlte Band als ein Anschlag benutzt wird, um den Abstand zu bestimmen, mit dem die kongruenten Lagen von ihren Greifeinrichtungen vorstehen.5. Welding device according to claim 1, wherein the cooled tape is used as a stop to determine the distance, with which the congruent layers protrude from their gripping devices. 6. Schweißvorrichtung nach Anspruch 5, welche Einrichtungen" schafft, die das Band in einen vorbestimmten Abstand von den kongruenten Kanten der Lagen bringen, nachdem diese ergriffen wurden und vor dem Aufheizen des Bandes.6. Welding device according to claim 5, which devices " creates that bring the tape a predetermined distance from the congruent edges of the plies after this were seized and prior to the heating of the belt. 7. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 6, bei der die obere Klemmleiste durch ein L-förrniges Stützteil gehalten ist und dieses Stützteil durch einen Stützstab gehalten ist und von diesem durch Betätigen einer Kopfschraube entfernbar ist, in deren Schaftabschnitt eine Nut ausgebildet ist, in welcher ein in dem L-förmigen Stützteil gehaltener Stift angebracht ist, der schwenkbar das L-förmige Teil hält.7. welding device for joining layers according to claim 6, in which the upper terminal strip is held by an L-shaped support part and this support part is held by a support rod is held and can be removed therefrom by actuating a head screw, in the shaft portion of which a groove is formed in which a pin held in the L-shaped support member is attached, the pivotably the L-shaped Part holds. 8. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 6, bei der die Stellung des Bandes entsprechend der Zusammensetzung und Stärke der Filmlagen einstellbar ist.8. Welding device for joining layers according to claim 6, wherein the position of the tape according to the composition and thickness of the film layers is adjustable. 9. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 8, bei der das Band entfernbar an seinen Enden durch Klemmmittel in Spannung gehalten ist mit zusätzlichen Mitteln, um den größten Teil der Bandlänge zu den Greifeinrichtungen hin und von diesen weg zu bewegen.9. welding device for joining layers according to claim 8, in which the band is removably held in tension at its ends by clamping means with additional means, to move most of the length of tape towards and away from the grippers. 10. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 1, bei der die Greifeinrichtung zwei Paare eindrehender Walzen mit vorbestimmtem Abstand dazwischen enthält, wobei diese Walzen paarweise an einer gemeinsamen Welleneinrichtung gehalten sind mit Einrichtungen zum Drehen der Walzen mit gleicher Umfangsgeschwindigkeit, und in dem Zwischenraum zwischen dem Walzenpaar ein geheiztes Band angeordnet ist, das sowohl eine Schneideinrichtung für die zugeführten Lagen zur Kongruenz ihrer Kanten schafft und auch die Heizeinrichtung schafft zum Aufschmelzen der Lagen und Schaffen der erforder-10. welding device for joining layers according to claim 1, wherein the gripping device comprises two pairs of rotating rollers with a predetermined spacing between them, these Rollers are held in pairs on a common shaft device with devices for rotating the rollers same peripheral speed, and in the gap A heated belt is arranged between the pair of rollers, which is both a cutting device for the fed layers creates the congruence of their edges and also creates the heating device to melt the layers and create the required - liehen Schweißnaht, und Kühleinrichtungen für die Schweißnaht.- Borrowed weld, and cooling devices for the weld. 11. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 1, bei der die Filmlagen zu einem Messer und an ihm vorbei geführt werden, das die Filmlagen längs einer vorgewählten Linie schneidet oder trennt,und nach dem Schneiden längs des vorgeschriebenen Weges die nun getrennten Lagen einem endlosen und sich kontinuierlich vorschiebenden Riemen zugeführt werden,11. welding device for joining layers according to claim 1, in which the film layers are guided to a knife and past it, the film layers along a preselected Line cuts or separates, and after cutting along the prescribed path, the now separated layers become an endless one and continuously advancing belts are fed, « der nicht nur die Lagen klemmt, sondern diese auch zu dem geheizten Band bringt, bei dem und durch das Aufschmelzen der Lagen erreicht wird, gefolgt durch Kühleinrichtungen für die Schweißnaht.«Which not only clamps the layers, but also them to the heated one Brings tape, in which and through the melting of the layers is achieved, followed by cooling devices for the Weld. AA. 12. Schweißvorrichtung zum Verbinden von-Lagen nach Anspruch 1, bei der die Lagen kontinuierlich kantengeschweißt werden und die Schweißvorrichtung obere und untere endlose, von und an . einander gegenüberliegenden genuteten Riemenscheiben getragene Riemen enthält, wobei ein Paar einander gegenüberliegend angeordneter Riemenscheiben durch ein Spannkopfteil einstellbar getragen ist und zwei schwenkbar angebrachte Arme zusammen mit dem Spannkopfteil durch Einstellmittel bewegbar sind und das Band auf einem vorbestimmten Grad aufgeheizt wird und wobei die Lagen mit Abstand benachbart zu diesem geheizten Band durch die endlosen Riemen getragen wird durch und zwischen einstellbar angeordneten Gleitblöcken, um die12. Welding device for joining layers according to claim 1, in which the layers are continuously edge welded and the welding device upper and lower endless, from and on . opposing grooved pulleys containing carried belts, a pair being opposed to each other arranged pulleys is adjustably supported by a tensioning head part and two pivotally mounted arms are movable together with the tensioning head part by adjusting means and the tape is heated to a predetermined degree and wherein the layers spaced adjacent to this heated belt is carried by the endless belts and between adjustably arranged slide blocks to the Kanten der Lagen in eine vorbestimmte Nähe zu dem Band zu bringen, und wobei die Gleitblöcke zur Kühlung durch äußere Mittel und zusätzliche Mittel ausgelegt sind, um die noch zwischen den Riemen eingeklemmte Schweißnaht zu kühlen.Bringing edges of the plies into predetermined proximity to the belt, and allowing the sliding blocks to cool through external means and additional means are designed to eliminate the weld seam that is still trapped between the belts to cool. 13. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 12, welche weiter das Aufheizen der nun getrennten Lagen durch eine zwischen Walzanpaaren gehaltene geheizte Walze einschließt. 13. Welding device for joining layers according to claim 12, which continues the heating of the now separated layers includes a heated roller held between pairs of rollers. 14. Schweißvorrichtur.g zum Verbinden von Lagen nach Anspruch 12, bei der die die anderen Enden der endlosen Riemen stützenden Riemenscheiben mit Zahnradgetrieben so verbunden sind, daß die endlosen Riemen mit der gleichen Geschwindigkeit laufen.14. Schweissvorrichtur.g for joining layers according to claim 12, in which the pulleys supporting the other ends of the endless belts are connected to gear drives so that the endless belts run at the same speed. 15. Schweißvorrichtung zum Verbinden von Filmlagen nach Anspruch 14, bei der die Kühleinrichtung in den Gleitblöcken eine Flüssigkeitsleitung ist und die Blöcke die Gleitführungen in einstellbarer Weise und mit Einstellmitteln tragen.15. Welding device for connecting film layers according to claim 14, in which the cooling device in the slide blocks is a liquid line and the blocks are the slide guides wear in an adjustable manner and with adjustment means. 16. Schweißvorrichtung nach Anspruch 12, bei der die Kühleinrichtung für die Schweißnaht ein Luftstrom ist.16. Welding device according to claim 12, wherein the cooling means for the weld seam is an air stream. 17. Schweißvorrichtung nach Anspruch 12, bei der die Schweißnahtkühleinrichtung durch ein zusammenwirkendes Paar von gekühlten Walzen in Nachbarschaft zu den Riemen geschaffen ist.17. Welding device according to claim 12, wherein the weld seam cooling device is created by a cooperating pair of chilled rollers adjacent the belts. 18. Schweißvorrichtung zum Verbinden von Lagen aus laminaren Thermoplastmaterialien mit Einrichtungen zum Fassen der Lagen, wobei die Vorrichtung zwei feste mit Abstand versehene Backenteile und zwei mit gleichem Abstand versehene bewegbare Backen-.teile enthält, und diese bewegbaren Backenteile so angeordnet sind, daß sie sich in einen Greifzustand bewegen und eine Vielzahl von Lagen sichern, und, wenn die Lagen gesichert sind,18. Welding device for joining layers of laminar Thermoplastic materials having means for grasping the plies, the device having two fixed spaced jaw members and two equidistantly spaced movable jaw parts, and these movable jaw parts are so arranged are that they move into a grasping state and a Secure a large number of layers and, when the layers are secured, ein geheiztes Band zu den und durch die gehaltenen Lagen gebracht wird, um die Lagen aufzuschmelzen und zu trennen, und an dem aufgetrennten Abschnitt der aufgeschmolzene Abschnitt zusammengeschweißt wird, um zwei Kantenschweißnähte zu bilden, wonach das Band entfernt wird und nach dem Abkühlen der Schweißnaht die bewegbaren Backenteile in eine Entladestellung zurückbewegt werden.a heated tape is brought to and through the held layers to melt and separate the layers, and at the severed portion, the fused portion is welded together by two edge welds to form, after which the tape is removed and after cooling the weld seam the movable jaw parts in a Unloading position are moved back. 19. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 18, bei der das Band und die bewegbaren Backenteile durch und mit Zylindereinrichtungen bewegt werden.19. Welding device for joining layers according to claim 18, in which the belt and the movable jaw parts are moved by and with cylinder devices. 20. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch'19, bei der das Band durch Vorspannmittel in ainen straffen Zustand bewegt und in ihm gehalten wird, und das Band elektrisch gegen Überleitung zu der restlichen Vorrichtung isoliert ist.20. Welding device for joining layers according to Claim 19, in which the belt is in a taut condition by means of pretensioning means is moved and held in it, and the tape is electrically isolated from conduction to the remainder of the device. 21. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 18, bei der das Band in von den Lagen gelöstem Zustand durch Strahlungs-jKonvektions- oder Leitungs-Einrichtungen geheizt gehalten wird.21. Welding device for joining layers according to claim 18, in which the tape is kept heated in the state detached from the layers by means of radiation, convection or conduction devices will. 22. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 21, bei der die Bewegung der bewegbaren Backen und die Bewegung des geheizten Bandes durch unabhängig betätigte Zylinder stattfindet.22. Welding device for joining layers according to claim 21, wherein the movement of the movable jaws and the movement of the heated belt takes place by independently operated cylinders. 23. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 18, bei der die Lagen zwischen einem ersten Paar Backenteile und einem zweiten Paar bewegbarer Backenteile gebracht und angeordnet werden, welche mit gleichen Abständen voneinander entfernt sind, und mit Einrichtungen zum Bewegen des zweiten Paares bewegbarer Backen zu dem ersten Paar von Backen zum Schaffen des erforderlichen Greifzustandes, und, nachdem die Lagen ergriffen sind, das geheizte Band zu und teilweise durch die gehaltenen Lagen gebracht wird, um die Lagen aufzuschmelzen23 welding device for joining layers according to claim 18, wherein the layers between a first pair of jaw members and a second pair of movable jaw members are brought and arranged, which are spaced from each other at equal distances and having means for moving the second pair of movable jaws to the first pair of jaws for creating the required gripping condition, and after the layers are taken, the heated tape is brought to and partially through the held layers to melt the layers und zu trennen und an dem getrennten Abschnitt die aufgeschmolzenen, einander gegenüberliegend angeordneten Abschnitte zu einer gemeinsamen Schweißnaht gebracht werden durch Bewegen des Paares von Backenteilen gegeneinander, um eine gemeinsame Kantenschweißnaht zu bilden und zu schaffen, und, nachdem die Schweißnaht erreicht ist, das geheizte Band davon weg bewegt wird und die Lagen gekühlt und gelöst werden und die Backen wieder in eine Aufnahmestellung bewegt werden.and to separate and at the separated section the melted, oppositely arranged sections are brought to a common weld seam by moving the pair of jaw members against each other to form and close a common edge weld create, and after the weld is reached, the heated belt is moved away from it and the layers are cooled and are released and the jaws are moved back into a receiving position. 24. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 23, bei der eines der ersten Backenteile .und ein gegenüberliegendes bewegbares Backenteil bewegbar sind und gegen das andere erste und zweite Backenteil hin und von diesem weg bewegt werden.24. Welding device for joining layers according to claim 23, wherein one of the first jaw parts .and an opposite one movable jaw part are movable and against the other first and second jaw part to and from this be moved away. 25. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 24, bei der das Band und die ersten und zweiten Backenteile durch Zylindereinrichtungen bewegt werden.25. Welding device for joining layers according to claim 24, in which the belt and the first and second jaw members are moved by cylinder means. 26. Schweißvorrichtung nach Anspruch 23, bei der das Kühlmittel strömende Luft. ist.26. The welding device according to claim 23, wherein the coolant is air flowing. is. 27. Schweißvorrichtung nach Anspruch 23, bei der das Kühlmittel aus gekühlten Klemmbacken besteht.27. Welding device according to claim 23, wherein the coolant consists of cooled clamping jaws. 28. Schweißvorrichtung zum Verbinden der kongruenten Kanten einer Vielzahl von Lagen aus laminaren Thermoplastmaterialien und ausgelegt sind zum Schaffen genügender Erhitzung zum lokalen Aufschmelzen der Lagen bei einer vorbestimmten Temperatur und während einer ausgewählten Zeitlänge, wobei die Vorrichtung enthält:28. Welding device for joining the congruent edges of a plurality of layers of laminar thermoplastic materials and are designed to provide sufficient heating to locally melt the layers at a predetermined rate Temperature and for a selected length of time, the device comprising: '. (a) Einrichtungen zum Ergreifen der Lagen, wobei ihre kongruenten Kanten einen vorbestimmten Abstand von den Greifeinrichtungen vorstehen;'. (a) Means for grasping the layers, with their congruent Edges protrude a predetermined distance from the gripping means; (b) Einrichtungen zum Zuführen von Wärme während einer vorbestimmten Zeit zu den vorstehenden Kanten der Lagen zum Bewirken einer Kantenschweißnaht, und(b) Means for applying heat to the protruding edges of the Layers for effecting an edge weld, and (c) Einrichtungen zum Kühlen der Schweißnaht.(c) Devices for cooling the weld seam. 29. Schweißvorrichtung nach Anspruch 28, bei der die Heizeinrichtung ein gasförmiges Fluid ist.29. Welding device according to claim 28, wherein the heating means is a gaseous fluid. 30. Schweißvorrichtung nach Anspruch 28, bei der die Heizeinrichtung eine mit einem vorbestimmten Abstand von den Kanten der Lagen angebrachte beheizte Fläche ist.30. Welding device according to claim 28, wherein the heating means is a heated surface spaced a predetermined distance from the edges of the sheets. 31. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 28, bei der die Lagen zu einem Messer hin und an diesem vorbei geführt werden, welches die Lagen längs einer ausgewählten Linie trennt oder teilt und nach dem Trennen längs des vorgeschriebenen Weges die nun geteilten Lagen einem endlosen und sich kontinuierlich vorschiebenden Riemen zugeführt werden, der die Lagen nicht nur klemmt, sondern die Lagen zu einer Wärmequelle bringt, an welcher und durch welche das Schmelzen der Lagen erreicht wird, gefolgt durch Kühlmittel für die Schweißnaht.31. The welding device for joining layers according to claim 28, wherein the layers towards and past a knife which separates or divides the layers along a selected line and, after the separation, along the prescribed line Way the now divided layers are fed to an endless and continuously advancing belt, which not only clamps the layers, but brings the layers to a heat source at which and through which the melting of the layers is reached, followed by coolant for the weld. 32. Schweißvorrichtung zum Verbinden von Lagen nach Anspruch 28, bei der die Lagen kontinuierlich kantengeschweißt werden und die Schweißvorrichtung obere und untere endlose Riemen enthält, die durch und an entgegengesetzt liegenden genuteten Riemenscheiben getragen werden, wobei ein Paar von entgegengesetzt liegenden Riemenscheiben durch ein Spannkopfteil einstellbar getragen sind und mit zwei schwenkbar angebrachten, mit dem Spannkopfteil durch Einstellmittel bewegten Armen, und wobei die Wärmequelle mit einem vorbestimmten Grad angewendet wird und die Lagen benachbart mit Abstand von diesem geheizten Band durch die endlosen Riemen getragen werden und Lagen durch und zwischen Gleitblöcken getragen werden, die einstellbar angeordnet sind, um die Lagenkanten32. Welding device for joining layers according to claim 28, in which the layers are continuously edge welded and the welder includes upper and lower endless belts which are grooved through and on oppositely located Pulleys are worn with a pair of opposed lying belt pulleys are carried adjustable by a clamping head part and with two swivel-mounted, with the clamping head part moved by adjusting means arms, and wherein the heat source with a predetermined Degree is applied and the layers adjacent at a distance from this heated belt carried by the endless belt and plies are carried by and between slide blocks that are adjustably disposed about the ply edges in eine vorbestimmte Nähe zu dem Band zu bringen, wobei die Gleitblöcke zum Kühlen durch äußere Mittel ausgelegt sind und zusätzliche Mittel zum Kühlen der noch zwischen den Riemen geklemmten Schweißnaht vorhanden sind.bring into a predetermined proximity to the tape, wherein the sliding blocks are designed for cooling by external means and additional means for cooling the still between The weld seam clamped on the belt is present. 33. Schweißvorrichtung nach Anspruch 32, bei dar die Kühlmittel durch ein zusammenwirkendes Paar gekühlter Waisen benachbart zu den Riemen geschaffen sind. 33. The welding apparatus of claim 32, wherein the coolants are provided by a cooperating pair of chilled orphans adjacent to the belts.
DE19823249235 1981-12-03 1982-12-01 Hot welding of thermoplastics Withdrawn DE3249235T1 (en)

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US4502906A (en) * 1981-12-03 1985-03-05 William E. Young Heat welding of thermoplastics
US5209800A (en) * 1990-08-20 1993-05-11 Denco, Inc. Total containment welding of plastic tubes
US5358785A (en) * 1991-05-28 1994-10-25 Fuji Photo Film Co., Ltd. Laminated film and process for producing the same
WO2012055414A1 (en) * 2010-10-27 2012-05-03 Roll-O-Matic A/S A method and an apparatus for welding two sheetings of hot-weldable materials to each other
EP2514583B1 (en) * 2011-04-18 2014-07-09 Heinrich Kuper GmbH & Co. KG Device for welding and severing films and the like

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CA788969A (en) * 1968-07-02 Zelnick Seymour Apparatus and method for sealing and/or heat-cutting thermoplastic films
US2606850A (en) * 1949-12-03 1952-08-12 Shellmar Products Corp Sealing machine and method
DE1213598B (en) * 1962-04-12 1966-03-31 Windmoeller & Hoelscher Method and device for welding the front edges of layers of thermoplastic material lying on top of one another
DE1242353B (en) * 1962-12-05 1967-06-15 Basf Ag Method and device for the production of welded bags from a film tube with side gussets made of thermoplastic material
GB1398248A (en) * 1973-05-11 1975-06-18 Reed International Ltd Cutting and welding devices for plastics sheet material
US4259134A (en) * 1979-04-12 1981-03-31 Joice Richard L Polymer film slitter-sealer apparatus and method
US4319952A (en) * 1980-12-29 1982-03-16 Schjeldahl Gilmore T Reciprocally moving hot-wire for bag making machine

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WO1983001926A1 (en) 1983-06-09

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