FR2439661A1 - Machine de soudage de feuilles de matiere thermoplastique - Google Patents
Machine de soudage de feuilles de matiere thermoplastiqueInfo
- 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
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
- B29C65/74—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
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/431—Joining the articles to themselves
- B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81411—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
- B29C66/81415—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 being bevelled
- B29C66/81417—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 being bevelled being V-shaped
-
- 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
-
- 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
- B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
- B29C66/83511—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on rollers, cylinders or drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C65/24—Joining 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
- B29C65/30—Electrical means
- B29C65/305—Electrical means involving the use of cartridge heaters
-
- 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
- B31—MAKING 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2155/00—Flexible containers made from webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2155/00—Flexible containers made from webs
- B31B2155/001—Flexible containers made from webs by folding webs longitudinally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2155/00—Flexible containers made from webs
- B31B2155/001—Flexible containers made from webs by folding webs longitudinally
- B31B2155/0014—Flexible containers made from webs by folding webs longitudinally having their openings facing transversally to the direction of movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
-
- 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
- Y10T156/1313—Cutting element simultaneously bonds [e.g., cut seaming]
-
- 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
- Y10T83/00—Cutting
- Y10T83/202—With product handling means
- Y10T83/2092—Means to move, guide, or permit free fall or flight of product
- Y10T83/2096—Means to move product out of contact with tool
- Y10T83/21—Out of contact with a rotary tool
- Y10T83/2105—Mover mounted on rotary tool
- Y10T83/2107—For 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.
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)
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)
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)
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 |
-
1979
- 1979-10-05 FR FR7924832A patent/FR2439661A1/fr active Granted
- 1979-10-05 GB GB7934687A patent/GB2033833B/en not_active Expired
- 1979-10-05 GB GB8021706A patent/GB2048768B/en not_active Expired
- 1979-10-05 US US06/082,054 patent/US4300977A/en not_active Expired - Lifetime
- 1979-10-09 EP EP79103859A patent/EP0010649B1/fr not_active Expired
Patent Citations (14)
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 |
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