DE3342796T1 - Versiegelung von Deckeln auf trogartigen Behältern - Google Patents
Versiegelung von Deckeln auf trogartigen BehälternInfo
- Publication number
- DE3342796T1 DE3342796T1 DE19833342796 DE3342796T DE3342796T1 DE 3342796 T1 DE3342796 T1 DE 3342796T1 DE 19833342796 DE19833342796 DE 19833342796 DE 3342796 T DE3342796 T DE 3342796T DE 3342796 T1 DE3342796 T1 DE 3342796T1
- Authority
- DE
- Germany
- Prior art keywords
- flange
- lid
- end portions
- container
- recesses
- 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.)
- Ceased
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
- B29C65/10—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
-
- 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
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
- B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
- B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
-
- 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
- B29C65/7861—In-line machines, i.e. feeding, joining and discharging are in one production line
-
- 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
-
- 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
- B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
-
- 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
- B29C66/2424—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 a closed polygonal chain
- B29C66/24243—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 a closed polygonal chain forming a quadrilateral
- B29C66/24244—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 a closed polygonal chain forming a quadrilateral forming a rectangle
-
- 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
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
- B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
- B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
-
- 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
- B65B51/20—Applying or generating heat or pressure or combinations thereof by fluid pressure acting directly on folds or on opposed surfaces, e.g. using hot-air jets
-
- 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
- B65B7/00—Closing containers or receptacles after filling
- B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
- B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
- B65B7/2842—Securing closures on containers
- B65B7/2878—Securing closures on containers by heat-sealing
-
- 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
- B29C66/83—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
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
-
- 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
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
Description
IO
Leerseite
Claims (1)
- 33A2796Patentanwälte Dipl.-Ing. Curt WallachEuropäische Patentvertreter Dipl.-Ing. Günther KochEuropean Patent Attorneys ή£ Dipl.-Phys. Dr.Tino HaibachDipl.-Ing. Rainer FeldkampD-8000 München 2 · Kaufingerstraße 8 · Telefon (0 89) 2 60 80 78 · Telex 5 29 513 wakai dDatum. 29. Dezember 1983Unser Zeichen: 17 821 K/NuPatentansprüche\Λ j Verfahren zur Versiegelung getrennter flacher Deckel am Rande mehrerer allgemein rechteckiger trogartiger Behälter, die TJmfangsflansche aufweisen, wobei die Behälter kontinuierlich längs einer Linie bewegt werden, während ein Deckel mit seinem Rand über dem Umfangsflansch jeweils eines Behälters aufgelegt wird und die Ränder des Deckels auf dem Umfangsflansch des jeweiligen Behälters durch Versiegelung aufgeklebt werden, gekennzeichnet durch die folgenden Stufen: es werden die seitlichen Randabschnitte von Deckel und/oder Seitenabschnitten des Flansches des Behälters derart gebogen, daß, wenn der Deckel über den Behälter gefügt wird, eine im Querschnitt V-förmige Ausnehmung zwischen den beiden Abschnitten von Deckel und Flansch längs jeweils gegenüberliegender Seiten des Behälters parallel zur Bewegungslinie ausgebildet wird; es wird ein durch Hitze aktivierbarer Kleber in den Ausnehmungen vorgesehen; es wird ein Heißgas in die Ausnehmungen eingeblasen, um das Klebemittel in diesen Ausnehmungen zu aktivieren und die Seitenabschnitte von Deckel \xnd Flanschzu erhitzen; es werden die Seitenabschnitte von Deckel und Flansch in Berührung gebracht, um sie miteinander durch Versiegelung zu verbinden; es wird die Bewegungsrichtung der Behälter so geändert, daß die vorher vorn bzw. hinten befindlichen Abschnitte von Deckel und Planschen nunmehr seitlich zur Bewegungsrichtung verlaufen; und es werden die Endabschnitte von Deckel und Plansch miteinander durch Versiegelung verbunden.2,. Verfahren nach Anspruch 1, dadurch gekennzeichnet , daß die Seitenabschnitte des Deckels an den oberen Oberflächen der Seitenabschnitte des Flansches versiegelt werden und daß die im Querschnitt V-förmigen Ausnehmungen durch Niederbiegen der Seitenabschnitte des Flansches gebildet werden.3· Verfahren nach den Ansprüchen 1 oder 2, dadurch gekennzeichnet, daß das Niederbiegen der Seitenabschnitte des Deckels und/oder des Flansches nach Auflegen des Deckels durch eine Profilleiste auf beiden Seiten der Bewegungslinie bewirkt wird, die als Falzorgan wirkt.4. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Versiegelung der Randendabschnitte des Deckels und der Endabschnitte des Behälterflansches bewirkt werden durch:Niederbiegen der Endabschnitte des Deckels über die Endabschnitte des Behälterflansches derart, daß weitere Ausnehmungen unter den Flanschendabschnitten gebildet werden; Einbringen eines wärmeaktivierbaren Klebers in die weiteren Ausnehmungen; Richten eines Heißgases in die weiteren Ausnehmungen, um den Kleber innerhalb der Ausnehmungen zu aktivieren und die Endabschnitte von Deckel und Flansch zu erwärmen; und Pressen der Endabschnitte des Deckels nach oben gegen die Unterseiten der Endabschnitte des Flansches, um sie daran zu versiegeln.5· Verfahren nach einem der Ansprüche 1 bis 3, dadurch ge. kennzeichnet , · daß die Versiegelung der Randendabschnitte des Deckels auf den Endabschnitten der Behälterflansche bewirkt wird durch:Biegen der Endabschnitte von Deckel und/oder Endabschnitte des Behälterflansches, um weitere V-förmige Ausnehmungen dazwischen zu bilden; Anordnung eines wärmeaktivierbaren Klebers in den weiteren Ausnehmungen;Richten eines Heißgases auf die v/eiteren Ausnehmungen, um den Kleber darin zu aktivieren und die Endabschnitte von Deckel und Flansch zu erhitzen; und Pressen der Endabschnitte von Deckel und Behälterflansch in Berührung miteinander, um sie gegeneinander zu versiegeln.6. Verfahren nach den Ansprüchen 4- oder 5i dadurch gekennzeichnet, daß das Pressen der Seitenabschnitte und der Endabschnitte von Deckel und Behälterflansch in Berührung miteinander durch Paare von vertikal wirkenden Quetschwalzen bewirkt wird, die über und unter den seitlichen Abschnitten und den Endabschnitten angeordnet sind.7· Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet , daß das Heißgas in die Ausnehmungen aus Schlitzdüsen gerichtet wird, die parallel zur Bewegungslinie angeordnet sind.8. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Bewegungsänderung der Behälter dadurch bewirkt wird, daß die Bewegungslinie um 90 geknickt wird, während die Orientierung der Behälter unverändert bleibt.9· Verfahren nach einem der vorhergehenden Ansprüche 1 bis 7, dadurch gekennzeichnet daß die Änderung der Bewegung der Behälter dadurch, bewirkt wird, daß jeder Behälter um 90 gedreht wird.10. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der wärmeaktivierbare Kleber durch wärmewiderstands-fähige Polyester-Überzüge auf den inneren Oberflächen von Deckeln und Behältern gebildet ist.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08212618A GB2119308A (en) | 1982-04-30 | 1982-04-30 | Sealing lids to tray-like containers |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3342796T1 true DE3342796T1 (de) | 1984-04-19 |
Family
ID=10530098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19833342796 Ceased DE3342796T1 (de) | 1982-04-30 | 1983-04-26 | Versiegelung von Deckeln auf trogartigen Behältern |
Country Status (9)
Country | Link |
---|---|
US (1) | US4559092A (de) |
AU (1) | AU561743B2 (de) |
CA (1) | CA1202010A (de) |
DE (1) | DE3342796T1 (de) |
GB (2) | GB2119308A (de) |
PT (1) | PT76620B (de) |
SE (1) | SE436733B (de) |
WO (1) | WO1983003807A1 (de) |
ZA (1) | ZA832756B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE454771B (sv) * | 1986-11-19 | 1988-05-30 | Sprinter System Ab | Anordning for forslutning av ett flensforsett, fyllt kartongtrag |
US5195294A (en) * | 1991-01-15 | 1993-03-23 | Campbell Soup Company | Container filling and sealing system |
US5195298A (en) * | 1991-01-15 | 1993-03-23 | Campbell Soup Company | Container filling and sealing system |
US5302227A (en) * | 1992-03-20 | 1994-04-12 | Kliklok Corporation | Method for closing a heat-resistant carton |
GB9822837D0 (en) * | 1998-10-20 | 1998-12-16 | Fcp Uk Ltd | Improved carton and method for manufacture thereof |
WO2008028176A1 (en) * | 2006-09-01 | 2008-03-06 | The Curators Of The University Of Missouri | Soybean based epoxy resin and methods of making and use |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3508376A (en) * | 1964-05-12 | 1970-04-28 | Robert P Bemiss | Heat sealing of plastic trays |
US3610114A (en) * | 1969-07-24 | 1971-10-05 | Stanley J Kaminsky | Mechanism for heating container sealing surfaces |
EP0017678A1 (de) * | 1979-04-19 | 1980-10-29 | Kliklok Corporation | Wärmebeständiger Karton und Verfahren zur Formgebung |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1071040A (en) * | 1964-11-27 | 1967-06-07 | Metal Box Co Ltd | Improvements in or relating to the sealing of cartons |
US3416411A (en) * | 1965-02-25 | 1968-12-17 | Kliklok Corp | Method of heat bonding panels of paperboard having a thermoplastic coating |
GB1159497A (en) * | 1967-01-11 | 1969-07-23 | Metal Box Co Ltd | Improvements in or relating to the Sealing of Cartons |
GB1306021A (de) * | 1971-02-12 | 1973-02-07 | ||
US3801266A (en) * | 1973-03-15 | 1974-04-02 | Container Corp | Hot air diversion device |
GB1466673A (en) * | 1973-05-16 | 1977-03-09 | Whitehall Machinery Ltd | Heat-sealing superimposed layers of sheet material |
DE2405943C3 (de) * | 1974-02-08 | 1978-04-13 | Altstaedter Verpackungs Vertriebs Gmbh, 6102 Pfungstadt | Heißluftsiegelvorrichtung zum Verbinden von zwei Verpackungsmaterialbahnen |
US4282699A (en) * | 1979-08-27 | 1981-08-11 | The Mead Corporation | Heat sealing apparatus |
US4387551A (en) * | 1979-09-21 | 1983-06-14 | Maryland Cup Corporation | Heat-sealable, ovenable containers and method of manufacture |
DE3023662A1 (de) * | 1980-06-25 | 1982-01-07 | Gartemann & Hollmann Gmbh, 4800 Bielefeld | Vorrichtung zum zuschweissen von staffelsaecken mit beschichteter innenlage |
-
1982
- 1982-04-30 GB GB08212618A patent/GB2119308A/en not_active Withdrawn
-
1983
- 1983-04-19 ZA ZA832756A patent/ZA832756B/xx unknown
- 1983-04-26 AU AU14788/83A patent/AU561743B2/en not_active Ceased
- 1983-04-26 WO PCT/GB1983/000123 patent/WO1983003807A1/en active Application Filing
- 1983-04-26 DE DE19833342796 patent/DE3342796T1/de not_active Ceased
- 1983-04-26 US US06/579,900 patent/US4559092A/en not_active Expired - Fee Related
- 1983-04-26 GB GB08332810A patent/GB2129736B/en not_active Expired
- 1983-04-29 PT PT76620A patent/PT76620B/pt not_active IP Right Cessation
- 1983-04-29 CA CA000427118A patent/CA1202010A/en not_active Expired
- 1983-12-08 SE SE8306770A patent/SE436733B/sv unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3508376A (en) * | 1964-05-12 | 1970-04-28 | Robert P Bemiss | Heat sealing of plastic trays |
US3610114A (en) * | 1969-07-24 | 1971-10-05 | Stanley J Kaminsky | Mechanism for heating container sealing surfaces |
EP0017678A1 (de) * | 1979-04-19 | 1980-10-29 | Kliklok Corporation | Wärmebeständiger Karton und Verfahren zur Formgebung |
Also Published As
Publication number | Publication date |
---|---|
US4559092A (en) | 1985-12-17 |
GB2119308A (en) | 1983-11-16 |
AU1478883A (en) | 1983-11-21 |
SE8306770L (sv) | 1983-12-08 |
GB2129736A (en) | 1984-05-23 |
ZA832756B (en) | 1984-11-28 |
SE436733B (sv) | 1985-01-21 |
PT76620A (en) | 1983-05-01 |
PT76620B (en) | 1986-01-27 |
CA1202010A (en) | 1986-03-18 |
GB2129736B (en) | 1985-06-05 |
SE8306770D0 (sv) | 1983-12-08 |
WO1983003807A1 (en) | 1983-11-10 |
GB8332810D0 (en) | 1984-01-18 |
AU561743B2 (en) | 1987-05-14 |
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