SE468509B - Svetsanordning foer folier med tvaa samverkande kugghjul daer en vaermetraad placerats i ett spaar i kugghjulets periferi - Google Patents

Svetsanordning foer folier med tvaa samverkande kugghjul daer en vaermetraad placerats i ett spaar i kugghjulets periferi

Info

Publication number
SE468509B
SE468509B SE9101529A SE9101529A SE468509B SE 468509 B SE468509 B SE 468509B SE 9101529 A SE9101529 A SE 9101529A SE 9101529 A SE9101529 A SE 9101529A SE 468509 B SE468509 B SE 468509B
Authority
SE
Sweden
Prior art keywords
gear
gears
foils
cooperating
combinating
Prior art date
Application number
SE9101529A
Other languages
English (en)
Other versions
SE9101529D0 (sv
SE9101529L (sv
Inventor
C Bjoerkman
L Lundblad
T Pettersson
Original Assignee
Nybo Seal System Ab
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 Nybo Seal System Ab filed Critical Nybo Seal System Ab
Priority to SE9101529A priority Critical patent/SE468509B/sv
Publication of SE9101529D0 publication Critical patent/SE9101529D0/sv
Priority to DE69200298T priority patent/DE69200298T2/de
Priority to EP92850113A priority patent/EP0515338B1/en
Priority to CA002068977A priority patent/CA2068977C/en
Priority to ES92850113T priority patent/ES2061331T3/es
Priority to US07/886,343 priority patent/US5246527A/en
Priority to AU17035/92A priority patent/AU649330B2/en
Priority to JP4129017A priority patent/JPH05185515A/ja
Publication of SE9101529L publication Critical patent/SE9101529L/sv
Publication of SE468509B publication Critical patent/SE468509B/sv

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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—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
    • B29C65/222—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip comprising at least a single heated wire
    • B29C65/223—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip comprising at least a single heated wire comprising several heated wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45—Joining of substantially the whole surface of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—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
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91411—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91421—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the joining tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • B29C66/9192—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams
    • B29C66/91921—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/16—Applying or generating heat or pressure or combinations thereof by rotary members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
    • B29C66/91651—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating
    • B29C66/91653—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating by controlling or regulating the voltage, i.e. the electric potential difference or electric tension
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1712—Indefinite or running length work
    • Y10T156/1741—Progressive continuous bonding press [e.g., roll couples]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Treatment Of Fiber Materials (AREA)

Description

468 509 ~ 2 j~ c: fi 'S0 FÜREDRAGEN UTFÜRINGSFÛRN Anordníngen enligt Fig 1 omfattar ett första kugghjulspar 10,11; ett andra kugghjulspar 12,13; 14,15; 16,17; @=h1a,19.
På en Första drivaxel 24 är anordnade kugghjulet 10, drivrullar- samt tre par drivhjulsrullar na 14, 16, 18 samt kugghjulet 12 i nu nämnd ordning.
På en andra drivakel 25 är anordnade kugghjulet 11, drivrullarna 15, 17, 19 samt kugghjulet 13 i nu nämnd ordning.
Samtliga kugghjul har i sin periferi ett spår, och i två av kugghjulens spår är placerade en värmetràd, 21 resp, 22.
I Fig 3 visas en del av kugghjulets 10 periferi med ett cirku- lärt spår, vars botten är betecknad med 101, samt en del av kugghjulets 11 periferi med ett cirkulärt spår, vars botten är betecknad 111. 0rdet cirkulär anger här dels att spåret går ge- nom kugghjulets samtliga kuggar, dels att spárets botten utgör en del av en cirkel så att spåret passar För en cirkulär tråd.
I det samverkande kugghjulsparet 10,11 är det kugghjulet 11 som har en värmetràd 21 i sitt spår. Päsamma sätt är det'kugg- hjulet 13 i det samverkande kugghjulsparet 12,13 som har en vär- metràd 22 i sitt spår. Trådens 21 ändar är betecknade 211,212.
Båda värmetrådarna har sina ändar anslutna till en strömkälla 23, se Fig 2, för uppvärmning av resp. tråd till en temperatur överstigande foliernas mjukningstemperatur. Av Fig 2 framgår att tråden 22 har sina ändar 221,222 anslutna till strömkällan 23. Denna är en programstyrd enhet, anordnad för avgivning av energipulser med en spänning på omkring 10 volt. Medelst ett styrorgan 231, som har en sensor vid sammansvetsningsstället För folierna, styrs strömkällan att avge energipulser så att temperaturen vid sammansvetsningsstället kommer att ligga inom temperaturområdet 10000 - 12000.
I Fig 2 har antytts hur två plastfolier matats ett mellan kugghjulsparen och drivrullarna. stycke Üvanför kugg- hjulen 12. 13 och de skymda rull- och kugghjulsparen är Foli- erna sammansvetsade, nedanför är Folierna skilda relativt var- s 468 509 andra. Genom att kugghjulen-rullarna får "tag" på de intill var- andra lagda folíerna kommer dessa under den fortsatta matningen (med drivning på axlarna 24,26) att veckas mellan kugghjulens kuggar och svetsas samman vid kuggtopparna, vilket ger ett spe- ciellt mönster för de två längsgående, parallella sömmarna.
Kugghjulen kan tillverkas i vävbakelit för undvikande av kort- slutningar.
Värmetråden kan bestå av teflonbelagd koppartråd, diameter 0,7 mm.
Det har i praktiken visat sig att om energimatningen till värme- trådarna sker så att under ett startmoment avges en längre energípuls (några sekunder) och därefter införs längre och läng- re pauser mellan energipulserna med pauserna ungefär dubbelt så långa som energípulserna i fortvarighetstillståndet så kan styr- organet 231 med sensor undvaras.
Med den nu i detalj beskrivna svetsanordningen uppnår man: dels att någon särskild matníngsmekanism för folierna ej erford- ras, matning och svetsning sker med samma mekanism; dels mindre krav på utrymme på grund av färre mekaniska delar; dels mindre energiåtgång genom att svetsning sker enbart vid de ställen där folierna perforeras av kuggarna; och dels att svetsningen går fortare än vid konventionella metoder eftersom den - trots perforeringstekniken - sker kontinuerligt och ej intermíttent med fram- och återgående svetsbaokar.

Claims (3)

468 509 ' 4 DATENTKRAV.
1. Anordning för sammansvetsning av folíer, kännetecknad av två samverkande kugghjul (10,11) mellan vilka folierna är av- sedda att matas, varvid minst ett av kugghjulen i sin perife- ri har ett spår (111), i vilket är placerad en värmetråd (21) som omsluter en del av kugghjulets (10) periferi och har si- na ändar (211, 212) anslutna till en strömkälla (23) för uppvärmning av tråden (21) till en temperatur överstigande foliernas mjukningstemperatur.
2. Anordning enligt patentkravet 1, kännetecknad därav, att den har två par samverkande kugghjul (10,11; 12,13) med i varje par av samverkande kugghjul en värmetråd (21 resp. 22) som omsluter en del av ett kugghjuls (11 resp. 13) periferi, och att mellan nämnda två par av samverkande kugghjul finns minst två par av samverkande drivrullar (14,15 och 18,17), varvid kugghjulen (10,12 resp. 11,13) och drívrullarna (14,16 resp. 15,17) är anordnade på två parallella drivaxlar (24,28).
3. Anordning enligt patentkravet 1 eller 2, kännetecknad därav, att strömkällan (23) är anordnad för avgivning av energipulser med en spänning på omkring 10 volt, och att styrorgan är anordnat för styrning av strömkällans (23) av- givning av energipulser så att temperaturen vid stället För sam- mansvetsningen ligger inom temperaturområdet 10000 - 12000. w
SE9101529A 1991-05-21 1991-05-21 Svetsanordning foer folier med tvaa samverkande kugghjul daer en vaermetraad placerats i ett spaar i kugghjulets periferi SE468509B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE9101529A SE468509B (sv) 1991-05-21 1991-05-21 Svetsanordning foer folier med tvaa samverkande kugghjul daer en vaermetraad placerats i ett spaar i kugghjulets periferi
DE69200298T DE69200298T2 (de) 1991-05-21 1992-05-19 Vorrichtung zum Verschweissen von Folien.
EP92850113A EP0515338B1 (en) 1991-05-21 1992-05-19 A foil-welding arrangement
CA002068977A CA2068977C (en) 1991-05-21 1992-05-19 Foil-welding arrangement
ES92850113T ES2061331T3 (es) 1991-05-21 1992-05-19 Dispositivo para soldar laminas.
US07/886,343 US5246527A (en) 1991-05-21 1992-05-20 Foil-welding arrangement
AU17035/92A AU649330B2 (en) 1991-05-21 1992-05-20 A foil-welding arrangement
JP4129017A JPH05185515A (ja) 1991-05-21 1992-05-21 箔溶接装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9101529A SE468509B (sv) 1991-05-21 1991-05-21 Svetsanordning foer folier med tvaa samverkande kugghjul daer en vaermetraad placerats i ett spaar i kugghjulets periferi

Publications (3)

Publication Number Publication Date
SE9101529D0 SE9101529D0 (sv) 1991-05-21
SE9101529L SE9101529L (sv) 1992-11-22
SE468509B true SE468509B (sv) 1993-02-01

Family

ID=20382789

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9101529A SE468509B (sv) 1991-05-21 1991-05-21 Svetsanordning foer folier med tvaa samverkande kugghjul daer en vaermetraad placerats i ett spaar i kugghjulets periferi

Country Status (8)

Country Link
US (1) US5246527A (sv)
EP (1) EP0515338B1 (sv)
JP (1) JPH05185515A (sv)
AU (1) AU649330B2 (sv)
CA (1) CA2068977C (sv)
DE (1) DE69200298T2 (sv)
ES (1) ES2061331T3 (sv)
SE (1) SE468509B (sv)

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US7225599B2 (en) 2005-04-05 2007-06-05 Sealed Air Corporation Apparatus and method for forming inflated articles
US20070068353A1 (en) * 2005-09-26 2007-03-29 Sealed Air Corporation Machine for severing a web

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Also Published As

Publication number Publication date
SE9101529D0 (sv) 1991-05-21
AU1703592A (en) 1992-11-26
DE69200298D1 (de) 1994-09-08
AU649330B2 (en) 1994-05-19
SE9101529L (sv) 1992-11-22
JPH05185515A (ja) 1993-07-27
DE69200298T2 (de) 1994-11-17
EP0515338A1 (en) 1992-11-25
US5246527A (en) 1993-09-21
EP0515338B1 (en) 1994-08-03
CA2068977C (en) 1995-04-04
ES2061331T3 (es) 1994-12-01

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