FR2439661A1 - Machine de soudage de feuilles de matiere thermoplastique - Google Patents

Machine de soudage de feuilles de matiere thermoplastique

Info

Publication number
FR2439661A1
FR2439661A1 FR7924832A FR7924832A FR2439661A1 FR 2439661 A1 FR2439661 A1 FR 2439661A1 FR 7924832 A FR7924832 A FR 7924832A FR 7924832 A FR7924832 A FR 7924832A FR 2439661 A1 FR2439661 A1 FR 2439661A1
Authority
FR
France
Prior art keywords
counter
cylinder
welding machine
thermoplastic sheet
sheet welding
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.)
Granted
Application number
FR7924832A
Other languages
English (en)
Other versions
FR2439661B1 (fr
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25776199&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2439661(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE2846219A external-priority patent/DE2846219B1/de
Priority claimed from DE2846220A external-priority patent/DE2846220C3/de
Application filed by Individual filed Critical Individual
Publication of FR2439661A1 publication Critical patent/FR2439661A1/fr
Application granted granted Critical
Publication of FR2439661B1 publication Critical patent/FR2439661B1/fr
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/74Joining 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
    • B29C65/743Joining 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General 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
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43Joining a relatively small portion of the surface of said articles
    • B29C66/431Joining the articles to themselves
    • B29C66/4312Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/81General 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
    • B29C66/814General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81415General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
    • B29C66/81417General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled being V-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/83General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834General 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
    • B29C66/8341Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411Roller, cylinder or drum types
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/83General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834General 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
    • B29C66/8351Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83511Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on rollers, cylinders or drums
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30Electrical means
    • B29C65/305Electrical means involving the use of cartridge heaters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint 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
    • B29C66/112Single lapped joints
    • B29C66/1122Single lap to lap joints, i.e. overlap joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00Flexible containers made from webs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00Flexible containers made from webs
    • B31B2155/001Flexible containers made from webs by folding webs longitudinally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00Flexible containers made from webs
    • B31B2155/001Flexible containers made from webs by folding webs longitudinally
    • B31B2155/0014Flexible containers made from webs by folding webs longitudinally having their openings facing transversally to the direction of movement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00Shape of flexible containers
    • B31B2160/10Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1313Cutting element simultaneously bonds [e.g., cut seaming]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/202With product handling means
    • Y10T83/2092Means to move, guide, or permit free fall or flight of product
    • Y10T83/2096Means to move product out of contact with tool
    • Y10T83/21Out of contact with a rotary tool
    • Y10T83/2105Mover mounted on rotary tool
    • Y10T83/2107For radial movement of product

Abstract

LA PRESENTE INVENTION A POUR OBJET UNE MACHINE DE SOUDAGE DE FEUILLES DE MATIERE THERMOPLASTIQUE. ELLE EST CARACTERISEE EN CE QUE LA SURFACE D'ENTRAINEMENT DU DISPOSITIF TRANSPORTEUR EVACUANT LES TRONCONS DE FEUILLE APRES LE SOUDAGE EST DECALEE D'UNE CERTAINE DISTANCE EN DIRECTION DE L'AXE DE ROTATION DU CONTRE-CYLINDRE, EN FORMANT UN VOLUME ANGULEUX ENTRE LA SURFACE DU CONTRE-CYLINDRE ET LADITE SURFACE DE TRANSPORT, ET EN CE QU'IL EST PREVU UNE SURFACE DIRECTRICE QUI EST RELIEE ESSENTIELLEMENT TANGENTIELLEMENT A LA SURFACE PERIPHERIQUE DU CONTRE-CYLINDRE ET QUI RECOUVRE LEDIT VOLUME ANGULEUX. ELLE SE RAPPORTE A LA FABRICATION DE SACS.
FR7924832A 1978-10-24 1979-10-05 Machine de soudage de feuilles de matiere thermoplastique Granted FR2439661A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2846219A DE2846219B1 (de) 1978-10-24 1978-10-24 Schweissmaschine fuer thermoplastische Folien mit kontinuierlich umlaufender Schweisswalze
DE2846220A DE2846220C3 (de) 1978-10-24 1978-10-24 Schweißmaschine für thermoplastische Folien mit kontinuierlich umlaufender Schweißwalze

Publications (2)

Publication Number Publication Date
FR2439661A1 true FR2439661A1 (fr) 1980-05-23
FR2439661B1 FR2439661B1 (fr) 1983-10-07

Family

ID=25776199

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7924832A Granted FR2439661A1 (fr) 1978-10-24 1979-10-05 Machine de soudage de feuilles de matiere thermoplastique

Country Status (4)

Country Link
US (1) US4300977A (fr)
EP (1) EP0010649B1 (fr)
FR (1) FR2439661A1 (fr)
GB (2) GB2033833B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128928A (en) * 1982-10-27 1984-05-10 Auto Wrappers Improvements in heated jaws for packaging machinery
DE68919050D1 (de) * 1988-11-22 1994-12-01 Mitsui Petrochemical Ind Warm-Schweissblatt und Warm-Schweissgerät.
EP2029438B1 (fr) * 2006-06-21 2010-05-19 Ferag AG Dispositif pour usiner des objets plats transportés en continu l'un derrière l'autre ou une bande de matériau presque sans fin
JP5820138B2 (ja) 2011-04-07 2015-11-24 株式会社京都製作所 袋詰電極の製造装置、および袋詰電極の製造方法
JP5684635B2 (ja) 2011-04-07 2015-03-18 株式会社京都製作所 袋詰電極の製造装置、および袋詰電極の製造方法
JP6022784B2 (ja) * 2011-04-07 2016-11-09 日産自動車株式会社 セパレータ溶着装置、およびセパレータの溶着方法
CA2959186C (fr) 2014-09-19 2020-03-24 The Procter & Gamble Company Formes posologiques a liberation pulsee de phenylephrine
CN111136921B (zh) * 2020-01-06 2022-01-04 广东华中科技大学工业技术研究院 一种柔性贴膜用具有平整结构的贴膜装置

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB351398A (en) * 1929-03-16 1931-06-15 Harrison Robert Williams Improvements in web measuring and cutting mechanism
US2225529A (en) * 1938-10-25 1940-12-17 Herbert W Beall Printing machine
GB620241A (en) * 1946-03-09 1949-03-22 Wood Newspaper Mach Corp Improvements in web cutting mechanism
US2909969A (en) * 1958-06-12 1959-10-27 Poly Cut Corp Bag forming and sealing machine
US3143016A (en) * 1960-12-28 1964-08-04 West Virginia Pulp & Paper Co Webcutting mechanism with forced air work and product transfer means
US3390042A (en) * 1964-03-20 1968-06-25 Meulen Leonard Van Der Device for the continuous manufacture of bags from a synthetic material
US3558406A (en) * 1967-10-23 1971-01-26 Emanuel Kugler Bottom seal contour bag manufacture
DE2010961A1 (de) * 1970-03-07 1971-09-30 Hesser Ag Maschf Getriebe für eine Vorrichtung zum Quer schweißen von mit gleichförmiger Geschwin digkeit bewegten Folienbahnen oder Folien schlauchen
US3650873A (en) * 1968-10-07 1972-03-21 Amsco Packaging Machinery Inc Bag making machine having heat sealer whose dwell time is adjustable
US3725180A (en) * 1969-11-06 1973-04-03 H Membrino Bag-making machine for thermoplastic bags
US3755041A (en) * 1969-11-06 1973-08-28 H Membrino Bag making machine with adjustable gears
DE2305719A1 (de) * 1972-03-30 1973-10-11 Fmc Corp Vorrichtung zur bearbeitung von bahnmaterialien
US3793927A (en) * 1972-05-18 1974-02-26 A Emond Bag making machine
US3813998A (en) * 1971-11-12 1974-06-04 Fmc Corp Apparatus for making bottom seal thermoplastic bags

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3552244A (en) * 1969-04-17 1971-01-05 Kilby P Smith Jr Rotary die stripping
DE2123845A1 (en) * 1971-05-13 1972-11-30 Pohl G Welding foam plastic articles - after impregnation with a finely divided thermoplastic welding aid
DE2156485A1 (de) * 1971-11-13 1973-05-17 Hesser Ag Maschf Vorrichtung zum trennschweissen von thermoplastischen folien
GB1447863A (en) * 1972-10-27 1976-09-02 Spacials Ltd Bag forming machines
GB1461572A (en) * 1973-03-09 1977-01-13 Masson Scott Thrissell Eng Ltd Web guide sysstems
ZA739438B (en) * 1973-12-12 1975-03-26 T Hutt Method of making bags from synthetic plastic film and apparatus therefor
DE2632853C2 (de) * 1976-07-21 1984-02-23 Windmöller & Hölscher, 4540 Lengerich Vorrichtung zum Herstellen von Beuteln aus einer zweilagigen Bahn aus thermoplastischem Material

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB351398A (en) * 1929-03-16 1931-06-15 Harrison Robert Williams Improvements in web measuring and cutting mechanism
US2225529A (en) * 1938-10-25 1940-12-17 Herbert W Beall Printing machine
GB620241A (en) * 1946-03-09 1949-03-22 Wood Newspaper Mach Corp Improvements in web cutting mechanism
US2909969A (en) * 1958-06-12 1959-10-27 Poly Cut Corp Bag forming and sealing machine
US3143016A (en) * 1960-12-28 1964-08-04 West Virginia Pulp & Paper Co Webcutting mechanism with forced air work and product transfer means
US3390042A (en) * 1964-03-20 1968-06-25 Meulen Leonard Van Der Device for the continuous manufacture of bags from a synthetic material
US3558406A (en) * 1967-10-23 1971-01-26 Emanuel Kugler Bottom seal contour bag manufacture
US3650873A (en) * 1968-10-07 1972-03-21 Amsco Packaging Machinery Inc Bag making machine having heat sealer whose dwell time is adjustable
US3725180A (en) * 1969-11-06 1973-04-03 H Membrino Bag-making machine for thermoplastic bags
US3755041A (en) * 1969-11-06 1973-08-28 H Membrino Bag making machine with adjustable gears
DE2010961A1 (de) * 1970-03-07 1971-09-30 Hesser Ag Maschf Getriebe für eine Vorrichtung zum Quer schweißen von mit gleichförmiger Geschwin digkeit bewegten Folienbahnen oder Folien schlauchen
US3813998A (en) * 1971-11-12 1974-06-04 Fmc Corp Apparatus for making bottom seal thermoplastic bags
DE2305719A1 (de) * 1972-03-30 1973-10-11 Fmc Corp Vorrichtung zur bearbeitung von bahnmaterialien
US3793927A (en) * 1972-05-18 1974-02-26 A Emond Bag making machine

Also Published As

Publication number Publication date
GB2033833A (en) 1980-05-29
EP0010649B1 (fr) 1984-02-01
EP0010649A1 (fr) 1980-05-14
GB2033833B (en) 1983-01-19
FR2439661B1 (fr) 1983-10-07
GB2048768B (en) 1982-11-24
US4300977A (en) 1981-11-17
GB2048768A (en) 1980-12-17

Similar Documents

Publication Publication Date Title
FR2520480B1 (fr) Appareil pour travailler sur une matiere en feuille, muni d'une chambre a vide mobile
FR2537957B1 (fr) Dispositif de prise et d'entrainement de feuilles pour prendre, transporter et deposer un materiau en feuille
IT7824510A0 (it) Macchina per l'imballaggio diprodotti fra pellicole sovrappostedi materiale plastico.
FR2439661A1 (fr) Machine de soudage de feuilles de matiere thermoplastique
FR2524838B1 (fr) Machine a decouper une matiere en feuille munie d'une couverture retractable
BE888503A (fr) Feuille laminee pour l'emballage de matieres craignant l'humidite,
BE858276A (fr) Dispositif servant a ouvrit par ecartement les orifices de remplissage de sacs en matiere en feuille relies en bande ou l'equivalent
SE7604071L (sv) Maskin for sonderrivning av sma pasar innehallande fast hushallsavfall och for separering av plastfolier och/eller lump fran detta
SE8106548L (sv) Sett och anordning for vikning och forsegling av en materialbanas lengsgaende kant
USD249526S (en) Plastic bag forming and sealing apparatus
CH553119A (fr) Procede et dispositif permettant d'intercaler une feuille de matiere mince en bande entre plusieurs paquets superposes de decoupes de boites pliees.
BE777760A (fr) Appreil pour souder les extremites d'une courroie en matiere plastique tendue autour d'un article
BE884778A (fr) Dispositif pour souder ensemble des bandes superposees en matiere thermoplastique.
BE874766A (fr) Dispositif pour realiser des joints de soudure transversaux sur des bandes de feuille plastique superposees, notamment pour la fabricaton de sachets
FR2347291A1 (fr) Dispositif de remplacement de conteneurs devant l'ouverture de sortie d'une presse a ordures
FR2427966A1 (fr) Emballage articule pour pieces de monnaie et analogues
BE836311A (fr) Feuille multicouche pour le thermo-scellage d'un recipient
BE887140A (fr) Dispositif d'alimentation d'une bande de feuille mince pour machine d'empaquetage
FR2374084A1 (fr) Installation de reduction en petits morceaux, notamment pour vieux papiers
FR2359759A1 (fr) Sachet d'emballage avec une languette de prehension
GB859160A (en) Improvements in bags and the like and their methods of production
FR2322008A1 (fr) Materiau d'emballage plastique en feuille laminee renforcee par des nervures
IT7811698V0 (it) Sacco in materiale pellicolare termosaldabile con tagli atti a consentirne la chiusura
GB1530972A (en) Cuboid packaging container
FR2284421A1 (fr) Machine destinee a faconner par pliage les bords de recipients en matiere plastique

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse