WO1986006344A1 - Fitment attachement methods in horizontal form/fill/seal machines - Google Patents

Fitment attachement methods in horizontal form/fill/seal machines Download PDF

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Publication number
WO1986006344A1
WO1986006344A1 PCT/US1985/000710 US8500710W WO8606344A1 WO 1986006344 A1 WO1986006344 A1 WO 1986006344A1 US 8500710 W US8500710 W US 8500710W WO 8606344 A1 WO8606344 A1 WO 8606344A1
Authority
WO
WIPO (PCT)
Prior art keywords
pouch
fitment
fold
fill
pouches
Prior art date
Application number
PCT/US1985/000710
Other languages
French (fr)
Inventor
William C. Christine
Original Assignee
Inpaco, Inc.
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
Priority to US06/410,591 priority Critical patent/US4512136A/en
Application filed by Inpaco, Inc. filed Critical Inpaco, Inc.
Priority to PCT/US1985/000710 priority patent/WO1986006344A1/en
Priority to EP19850902319 priority patent/EP0221893A4/en
Publication of WO1986006344A1 publication Critical patent/WO1986006344A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—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
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5326—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially flat
    • B29C66/53261—Enclosing tubular articles between substantially flat elements
    • B29C66/53262—Enclosing spouts between the walls of bags, e.g. of medical 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
    • 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
    • B29C65/7841—Holding or clamping means for handling purposes
    • B29C65/7847—Holding or clamping means for handling purposes using vacuum to hold 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
    • 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
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—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
    • B29C66/40—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
    • 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
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of 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
    • 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
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/474—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat
    • B29C66/4742—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat said single elements being spouts
    • B29C66/47421—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat said single elements being spouts said spouts comprising flanges
    • 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
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5324—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length
    • B29C66/53245—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow
    • B29C66/53246—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow said single elements being spouts, e.g. joining spouts to containers
    • B29C66/53247—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow said single elements being spouts, e.g. joining spouts to containers said spouts comprising flanges
    • 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
    • B29C66/61—Joining from or joining on the inside
    • 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
    • B29C66/63—Internally supporting the article during joining
    • 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
    • B29C66/81431—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 comprising a single cavity, e.g. a groove
    • 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
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • B65B61/186—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements by applying or incorporating rigid fittings, e.g. discharge spouts
    • 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
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/743—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
    • B29C65/7441—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc for making welds and cuts of other than simple rectilinear form
    • 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
    • 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
    • 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
    • B31B70/003—Opening or distending bags
    • 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
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/262—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/36—Folding sheets, blanks or webs by continuously feeding them to stationary members, e.g. plates, ploughs or cores
    • 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
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B31B70/642—Uniting opposed surfaces or edges; Taping by applying heat or pressure using sealing jaws or sealing dies
    • 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
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B31B70/645—Making seals 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
    • B31B70/844—Applying rigid valves, spouts, or filling tubes

Definitions

  • thermo ⁇ plastic material In the past, flexible pouches of relatively stable thermo ⁇ plastic material have been provided for use in the packaging, preservation and dispensing of fluent materials such as comes ⁇ tible products, medicinal preparations and the like in liquid, powdery or granular form.
  • the fluent material is introduced, into the pouch or container after a portion of the pouch has been formed from a web of thermoplastic material of indefinite length and thereafter the pouch is sealed and separated from the web so that individual pouches may be packaged and shipped.
  • the pouches are made and filled in a vertical form/fill/ seal machine in either a continuous or intermittent operation by folding the web of thermoplastic material in half and pass ⁇ ing the material through the vertical machine with the folded edge being disposed vertically and forming one side of the pouch. Then the edge opposite the fold is sealed to form the other side. Thereafter, a horizontal seal is made to close the top of a lower pouch and the bottom of a contiguous upper pouch and simultaneously separate the lower pouch from the web of material.
  • the vertical form/fill/seal machine normally is preferred due to the fact that the pouches may be formed about a fixed vertically disposed former or filling tube which obvi ⁇ ates the necessity of providing apparatus for opening the pouch ⁇ es for filling purposes.
  • the preferred method of forming and filling ther ⁇ moplastic pouches is in a vertical form/fill/seal machine, there are instances when such vertical machine is not satis ⁇ factory.
  • the pouch to be made is relatively small or the longitudinal dimension of the pouch is greater than twice the dimension measured along the fold, it is pre ⁇ ferable to form, fill and seal the pouch in a horizontal pro ⁇ cess. This is primarily due to the fact that when the gluent material is introduced into the side of an elongated relative ⁇ ly narrow pouch, insufficient clearance or head room is provid ⁇ ed to permit the pouch to be properly sealed.
  • the fold of the material is located at the bottom of the pouch and a pair of vertical side seals are made prior to the introduction of the fluent material and the top of the pouch is sealed after the material has been introduced into the pouch.
  • a material dispensing fitment to the pouch as the pouch is being formed and such fitment serves to assist in the partial or complete dispensing of the material when desired. In some cases, the fitment also serves to assist in filling the pouch.
  • This invention relates generally to thermoplastic pouches which contain fluent material and relates particularly to the attaching of a fitment to the pouch as the pouch is being formed.
  • the present invention is embodied in a method of attaching a fitment to the fold of a pouch as the pouch is being formed in a horizontal form/fill/seal machine and includes the steps of at least .partially separating the pouches from each other to relieve the stretching tension and then opening the pouch and reshaping the bottom thereof to accommodate a fitment which is then attached thereto.
  • Figure 1 is a perspective view illustrating the method of attaching a fitment to a pouch in a horizontal form/fill/seal machine.
  • Figure 2 is an enlarged fragmentary sectional view taken on the line 2-2 of Figure 1.
  • Figure 3 is an enlarged fragmentary sectional view taken on the line 3-3 of Figure 1.
  • Figure 4 is a side elevational view of the structure of Figure 3 with portions broken away for clarity.
  • Figure 5 is a side elevational view of another type of pouch.
  • Figure 6 is a sectional view taken on the line 6-6 of Figure 5.
  • Figure 7 is a sectional view taken on the line 7-7 of Figure 5.
  • Figure 8 is a bottom plan view of the pouch showing .the fitment attached thereto.
  • a horizontal form/fill/seal machine 10 is shown schematically and in- eludes a roll 11 of relatively stable polymeric thermoplastic material 12 in a web of indefinite length.
  • the web of mater ⁇ ial is folded substantially in half by a former 13 to provide a double thickness with a fold 14 at the bottom at a forming station.
  • a first sealing sta ⁇ tion is provided with a sealing element 15 and a backing element 16 which are mounted on rods 17 and 18 respectively.
  • Such rods are adapted to be extended and retracted in any de ⁇ sired manner (not shown) so that when they are extended, the elements 15 and 16 engage the web of material to seal the thicknesses together for substantially the entire height to form the side seals of contiguous pouches and simultaneously form a slit 19 which extends from the bottom of the material upwardly a distance less than the full height thereof.
  • a fitment applying station is located along the path of travel of the pouches and such station includes conventional apparatus for opening the top of each pouch.
  • the apparatus for opening each pouch includes a pair of opposed suction cups 20 each of which is fixed to the end of a tube 21 which communicates with a source of vacuum or suc ⁇ tion.
  • the tubes 21 are movable toward and away from the line of pouches so that the tubes may be extended until the suc ⁇ tion cups 20 engage the opposed side walls of a pouch at which time a suction is applied to cause the sides of the pouch to adhere to the cups 20. Movement of the tubes away from the line of pouches causes the side walls of the pouch to spread apart.
  • suction cup structure has been illustrated and described, it is contemplated that other conventional methods of opening the pouch, such as air jets or the like, may be used.
  • a fitment supply track 26 has its discharge end located adja ⁇ cent to the bottom fold 14 of the pouch and is adapted to supply fitments 27 one at a time to such discharge end.
  • each fitment includes a tubular body 28 having an attaching flange 29 fixed to the upper end.
  • An axially mov- able anvil 30 having a central recess 31 is adapted to re ⁇ ceive a fitment from the track 26 after which the anvil is moved upwardly against the fold at the bottom of the pouch. During the upward movement of the anvil, the fitment first engages the fold 14 and continued upward movement causes the fold to flatten out as shown in Figure 3.
  • the sealing ele ⁇ ment 25 engages the inner surface of the flattened portion after which the sealing element is energized by electrical, ultrasonic or radio-frequency energy to provide heat which seals the pouch to the flange of the fitment. Thereafter, the fitment sealing element 25 and the anvil 30 are retracted and the suction on the suction cups 20 is relieved so that movement of the line of pouches may continue.
  • the pouch with a fitment attached to the bottom is moved to a filling station where the pouch again is opened in any desired manner such as suction cups 32 mounted on axially movable tubes 33 which are connected to a source of suction.
  • a fill tube 34 which communicates with a hopper 35, is lo ⁇ cated above the open pouch and such fill tube may be either fixed or axially movable.
  • a predetermined quantity of fluent material from the hopper passes through the fill tube and into the pouch and such quantity is regulated in any desired manner such as conventional valves or the like (not shown) .
  • the pouch is moved to a top sealing station which includes a sealing element 36 and a backing element 37 which are mounted on extendable and retractable rods 38 and 39 respectively.
  • the sealing element 36 seals the upper portions of the pouch together and simultaneously separates the sealed pouch from the line of pouches by severing the upper portions of the material in alignment with the slit 19.
  • the sealed pouch then is placed on a conveyor or the like and moved to a packaging and shipping area.
  • each pouch has front and rear walls 40 and 41, respectively, each of which is integrally attached to an inner reversely turned wall 42 and 43 respectively which are connected to each other along a fold 44.
  • This type of pouch may be preferred because the reversely turned walls tend to flatten out more readily when the pouch is opened and, further, the reversely turned walls distend in the direction of the anvil so that the axial movement of the anvil is minimal.
  • the side seals secure the ends of the reversely turned walls in fixed position relative to the sides of the pouch, the application of the fitment to a flattened central portion causes the bottom of the pouch to assume a natural funnel shape which promotes more complete dispensing of the contents of the pouch.

Abstract

The method of forming a pouch in a horizontal form/fill/seal machine (10) and applying a dispensing fitment (27) to a folded edge (14) of the pouch.

Description

FITMENT ATTACHMENT METHODS IN
HORIZONTAL FORM/FILL/SEAL MACHINES
BACKGROUND OF THE INVENTION
In the past, flexible pouches of relatively stable thermo¬ plastic material have been provided for use in the packaging, preservation and dispensing of fluent materials such as comes¬ tible products, medicinal preparations and the like in liquid, powdery or granular form.
In most instances, the fluent material is introduced, into the pouch or container after a portion of the pouch has been formed from a web of thermoplastic material of indefinite length and thereafter the pouch is sealed and separated from the web so that individual pouches may be packaged and shipped. Nor¬ mally, the pouches are made and filled in a vertical form/fill/ seal machine in either a continuous or intermittent operation by folding the web of thermoplastic material in half and pass¬ ing the material through the vertical machine with the folded edge being disposed vertically and forming one side of the pouch. Then the edge opposite the fold is sealed to form the other side. Thereafter, a horizontal seal is made to close the top of a lower pouch and the bottom of a contiguous upper pouch and simultaneously separate the lower pouch from the web of material. The vertical form/fill/seal machine normally is preferred due to the fact that the pouches may be formed about a fixed vertically disposed former or filling tube which obvi¬ ates the necessity of providing apparatus for opening the pouch¬ es for filling purposes.
Some efforts have been made to make and fill the pouches in a horizontal form/fill/seal machine; however, the problem of opening and filling the pouches has resulted in more com¬ plicated and sophisticated machinery and normally has reduced the speed of production. Some examples of this type of equip¬ ment is shown by U.S. patents 3,246,444 to Paisley; 3,269,278 to Olstad; 3,453,799 to Cloud et al; 3,537,225 to Fields; 3,599,388 to Feingold; 3,618,286 and 3,779,449 to Membrino; and 3,817,017 to Titchenal.
Although the preferred method of forming and filling ther¬ moplastic pouches is in a vertical form/fill/seal machine, there are instances when such vertical machine is not satis¬ factory. For example, when the pouch to be made is relatively small or the longitudinal dimension of the pouch is greater than twice the dimension measured along the fold, it is pre¬ ferable to form, fill and seal the pouch in a horizontal pro¬ cess. This is primarily due to the fact that when the gluent material is introduced into the side of an elongated relative¬ ly narrow pouch, insufficient clearance or head room is provid¬ ed to permit the pouch to be properly sealed.
In a horizontal form/fill/seal machine, the fold of the material is located at the bottom of the pouch and a pair of vertical side seals are made prior to the introduction of the fluent material and the top of the pouch is sealed after the material has been introduced into the pouch.
In some instances, it is desirable to attach a material dispensing fitment to the pouch as the pouch is being formed and such fitment serves to assist in the partial or complete dispensing of the material when desired. In some cases, the fitment also serves to assist in filling the pouch. Some ex¬ amples of pouches having fitments are disclosed in my copen- ding application Serial Number 389,099, Gussetted Bottom Pouch, and my previous patents 3,894,381 and 4,246,062; as well as U.S. patents 2,850,422 to Welch, Jr.; 2,999,387 to Andelin; 3,244,576 to Swartz; 3,554,256 to Anderson; 3,652,047 to Waage; 3,994,412 to Difiglio; and, 4,049,034 to Vcelka.
Heretofore, substantial difficulty has been encountered in attaching a fitment to the fold of a pouch being made in a horizontal form/fill/seal machine because the polymeric thermoplastic web must be reshaped to a form that will pro¬ vide a flat spot that otherwise would be a fold. The web, which is being stretched flat in the machine, resists the re¬ quired reshaping.
Field of the Invention
This invention relates generally to thermoplastic pouches which contain fluent material and relates particularly to the attaching of a fitment to the pouch as the pouch is being formed.
Disclosure of the Invention
The present invention is embodied in a method of attaching a fitment to the fold of a pouch as the pouch is being formed in a horizontal form/fill/seal machine and includes the steps of at least .partially separating the pouches from each other to relieve the stretching tension and then opening the pouch and reshaping the bottom thereof to accommodate a fitment which is then attached thereto.
It is an object of the invention to provide a method of attaching a fitment to the fold of a pouch as the pouch is being made in a horizontal form/fill/seal machine.
Brief Description of the Drawings
Figure 1 is a perspective view illustrating the method of attaching a fitment to a pouch in a horizontal form/fill/seal machine.
Figure 2 is an enlarged fragmentary sectional view taken on the line 2-2 of Figure 1.
Figure 3 is an enlarged fragmentary sectional view taken on the line 3-3 of Figure 1.
Figure 4 is a side elevational view of the structure of Figure 3 with portions broken away for clarity.
Figure 5 is a side elevational view of another type of pouch.
Figure 6 is a sectional view taken on the line 6-6 of Figure 5.
Figure 7 is a sectional view taken on the line 7-7 of Figure 5.
Figure 8 is a bottom plan view of the pouch showing .the fitment attached thereto.
Description of the Preferred Embodiments
With continued reference to the drawings, a horizontal form/fill/seal machine 10 is shown schematically and in- eludes a roll 11 of relatively stable polymeric thermoplastic material 12 in a web of indefinite length. The web of mater¬ ial is folded substantially in half by a former 13 to provide a double thickness with a fold 14 at the bottom at a forming station.
Downstream from the forming station, a first sealing sta¬ tion is provided with a sealing element 15 and a backing element 16 which are mounted on rods 17 and 18 respectively. Such rods are adapted to be extended and retracted in any de¬ sired manner (not shown) so that when they are extended, the elements 15 and 16 engage the web of material to seal the thicknesses together for substantially the entire height to form the side seals of contiguous pouches and simultaneously form a slit 19 which extends from the bottom of the material upwardly a distance less than the full height thereof.
A fitment applying station is located along the path of travel of the pouches and such station includes conventional apparatus for opening the top of each pouch. As illustrated, the apparatus for opening each pouch includes a pair of opposed suction cups 20 each of which is fixed to the end of a tube 21 which communicates with a source of vacuum or suc¬ tion. The tubes 21 are movable toward and away from the line of pouches so that the tubes may be extended until the suc¬ tion cups 20 engage the opposed side walls of a pouch at which time a suction is applied to cause the sides of the pouch to adhere to the cups 20. Movement of the tubes away from the line of pouches causes the side walls of the pouch to spread apart. Although suction cup structure has been illustrated and described, it is contemplated that other conventional methods of opening the pouch, such as air jets or the like, may be used.
When the pouch is open, an axially movable fitment seal¬ ing element 25 is moved downwardly into the open pouch. A fitment supply track 26 has its discharge end located adja¬ cent to the bottom fold 14 of the pouch and is adapted to supply fitments 27 one at a time to such discharge end. Normally, each fitment includes a tubular body 28 having an attaching flange 29 fixed to the upper end. An axially mov- able anvil 30 having a central recess 31 is adapted to re¬ ceive a fitment from the track 26 after which the anvil is moved upwardly against the fold at the bottom of the pouch. During the upward movement of the anvil, the fitment first engages the fold 14 and continued upward movement causes the fold to flatten out as shown in Figure 3. Since the polymer¬ ic thermoplastic web is substantially stable, the upward movement of the central portion of the fold causes the oppo¬ site ends to be drawn inwardly as illustrated in Figurejf 4 and 5. The ends of the fold are freely movable inwardly due to the slits 19 which relieve the fold of any pulling tension of the machine 10.
When the central portion of the fold has been flattened as wide as the flange 29 of the fitment 27, the sealing ele¬ ment 25 engages the inner surface of the flattened portion after which the sealing element is energized by electrical, ultrasonic or radio-frequency energy to provide heat which seals the pouch to the flange of the fitment. Thereafter, the fitment sealing element 25 and the anvil 30 are retracted and the suction on the suction cups 20 is relieved so that movement of the line of pouches may continue.
The pouch with a fitment attached to the bottom is moved to a filling station where the pouch again is opened in any desired manner such as suction cups 32 mounted on axially movable tubes 33 which are connected to a source of suction. A fill tube 34, which communicates with a hopper 35, is lo¬ cated above the open pouch and such fill tube may be either fixed or axially movable. A predetermined quantity of fluent material from the hopper passes through the fill tube and into the pouch and such quantity is regulated in any desired manner such as conventional valves or the like (not shown) .
Thereafter, the pouch is moved to a top sealing station which includes a sealing element 36 and a backing element 37 which are mounted on extendable and retractable rods 38 and 39 respectively. The sealing element 36 seals the upper portions of the pouch together and simultaneously separates the sealed pouch from the line of pouches by severing the upper portions of the material in alignment with the slit 19. The sealed pouch then is placed on a conveyor or the like and moved to a packaging and shipping area.
With particular reference to Figures 2 - 4, the pouch is formed simply by folding the material in half and moving the same through the various stations. With particular reference to Figures 5 - 8, a modified form of pouch is pro¬ vided which promotes more complete dispensing or draining of the contents of the pouch. In this embodiment, each pouch has front and rear walls 40 and 41, respectively, each of which is integrally attached to an inner reversely turned wall 42 and 43 respectively which are connected to each other along a fold 44. This type of pouch may be preferred because the reversely turned walls tend to flatten out more readily when the pouch is opened and, further, the reversely turned walls distend in the direction of the anvil so that the axial movement of the anvil is minimal. Since the side seals secure the ends of the reversely turned walls in fixed position relative to the sides of the pouch, the application of the fitment to a flattened central portion causes the bottom of the pouch to assume a natural funnel shape which promotes more complete dispensing of the contents of the pouch.
Although the methods of attaching the fitment to the pouch has been illustrated and described as being attached to the exterior of the bottom of the pouch, it is contem¬ plated that a hole could be punched or otherwise formed in the bottom of the pouch and a fitment 27 could be inserted into the open top of the pouch so that the tubular body 28 extends downwardly through such hole. Thereafter, the at¬ taching flange 29 would be sealed to the bottom of the pouch as previously described except that such flange would be located within the pouch instead of exteriorly thereof.
While several embodiments of the present invention have been illustrated herein in particular detail, it will'be understood that variations and modifications may be effected without departing from the spirit and scope of the novel concepts of this invention.

Claims

Claims
1. A method of attaching fitments to a pouch of thermo¬ plastic material in a horizontal form/fill/seal machine com¬ prising the steps of: first folding a web of material sub¬ stantially in half in a longitudinal direction with the fold being lowermost, and moving said material horizontally, next sealing said web vertically at spaced intervals to provide a plurality of pouches, at least partially slitting said seals with the slit extending upwardly from said fold, separating the opposite side walls of each pouch, moving a fitment against said lowermost fold surface of said pouch and causing said surface to flatten against said fitment, then applying a fitment sealing element against the flattened portion of said fold surface and heating at least one fitment and said fold surface to cause intimate bonding therebetween, said slits permitting the portions of said pouch to move toward each other.
2. The method as defined in Claim 1 including the step of: moving the fitment against the exterior surface of said fold against the pouch, and then inserting the fitment sealing element into said pouch.
3. The method of Claim 1 including the steps of: in¬ troducing fluidic material into said pouch, and finally sealing said pouch.
PCT/US1985/000710 1982-08-23 1985-04-22 Fitment attachement methods in horizontal form/fill/seal machines WO1986006344A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US06/410,591 US4512136A (en) 1982-08-23 1982-08-23 Fitment attachment methods in horizontal form/fill/seal machines
PCT/US1985/000710 WO1986006344A1 (en) 1985-04-22 1985-04-22 Fitment attachement methods in horizontal form/fill/seal machines
EP19850902319 EP0221893A4 (en) 1985-04-22 1985-04-22 Fitment attachement methods in horizontal form/fill/seal machines.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1985/000710 WO1986006344A1 (en) 1985-04-22 1985-04-22 Fitment attachement methods in horizontal form/fill/seal machines

Publications (1)

Publication Number Publication Date
WO1986006344A1 true WO1986006344A1 (en) 1986-11-06

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Application Number Title Priority Date Filing Date
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WO (1) WO1986006344A1 (en)

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EP0277974A1 (en) * 1986-07-28 1988-08-17 Baxter Travenol Lab Apparatus for sealing a web of film.
GB2225979A (en) * 1988-09-03 1990-06-20 Winkler Duennebier Kg Masch Method and apparatus for securing clasps to envelopes
WO1995005317A1 (en) * 1993-08-18 1995-02-23 Inpaco Corporation Method and apparatus for making and filling a pouch with a fitment
WO2000020194A1 (en) * 1997-09-02 2000-04-13 Tetra Laval Holdings & Finance, S.A. Method and apparatus for forming the top of a carton
EP1501736A1 (en) * 2002-04-27 2005-02-02 River Solutions, Inc. Gusseted flexible bottle with fitment and method of fabrication
DE10053902B4 (en) * 2000-10-31 2006-06-08 Martin Geisler Foil bag with integrated and resealable drinking tube
DE10164732B4 (en) * 2000-10-31 2006-07-20 Martin Geisler Foil bag with integrated and resealable drinking tube
WO2007105079A1 (en) * 2006-03-14 2007-09-20 Unifill S.R.L. Improved thermoforming plant for the blow moulding and heat-welding of containers
EP2119558A1 (en) * 2007-02-07 2009-11-18 Fuji Seal International, Inc. Method for producing pouch container with spout
EP2214978A1 (en) * 2007-11-09 2010-08-11 Clear Lam Packaging, Inc. Flexible, stackable container and method and system for manufacturing same
EP2332840A1 (en) * 2009-12-08 2011-06-15 Haver & Boecker oHG Device and method for machining tubular film into open bags and filling same with bulk goods
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US9162786B2 (en) 2007-08-08 2015-10-20 Clear Lam Packaging, Inc. Flexible, stackable container and method and system for manufacturing the same
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EP0277974A1 (en) * 1986-07-28 1988-08-17 Baxter Travenol Lab Apparatus for sealing a web of film.
GB2225979A (en) * 1988-09-03 1990-06-20 Winkler Duennebier Kg Masch Method and apparatus for securing clasps to envelopes
GB2225979B (en) * 1988-09-03 1992-10-14 Winkler Duennebier Kg Masch Method and apparatus for securing clasps to envelopes
WO1995005317A1 (en) * 1993-08-18 1995-02-23 Inpaco Corporation Method and apparatus for making and filling a pouch with a fitment
WO2000020194A1 (en) * 1997-09-02 2000-04-13 Tetra Laval Holdings & Finance, S.A. Method and apparatus for forming the top of a carton
DE10164732B4 (en) * 2000-10-31 2006-07-20 Martin Geisler Foil bag with integrated and resealable drinking tube
DE10053902B4 (en) * 2000-10-31 2006-06-08 Martin Geisler Foil bag with integrated and resealable drinking tube
EP1501736A1 (en) * 2002-04-27 2005-02-02 River Solutions, Inc. Gusseted flexible bottle with fitment and method of fabrication
EP1501736A4 (en) * 2002-04-27 2011-05-25 Smart Bottle Inc Gusseted flexible bottle with fitment and method of fabrication
WO2007105079A1 (en) * 2006-03-14 2007-09-20 Unifill S.R.L. Improved thermoforming plant for the blow moulding and heat-welding of containers
EP2119558A1 (en) * 2007-02-07 2009-11-18 Fuji Seal International, Inc. Method for producing pouch container with spout
EP2119558A4 (en) * 2007-02-07 2014-05-28 Fuji Seal Int Inc Method for producing pouch container with spout
US9162786B2 (en) 2007-08-08 2015-10-20 Clear Lam Packaging, Inc. Flexible, stackable container and method and system for manufacturing the same
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US10232969B2 (en) 2007-08-08 2019-03-19 Primapak, Llc. Flexible, stackable container and method and system for manufacturing the same
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EP2214978A1 (en) * 2007-11-09 2010-08-11 Clear Lam Packaging, Inc. Flexible, stackable container and method and system for manufacturing same
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US10207850B2 (en) 2012-10-26 2019-02-19 Primapak, Llc. Flexible package and method of making same
US11267632B2 (en) 2012-10-26 2022-03-08 Primapak, Llc Flexible package and method of making the same
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EP0221893A4 (en) 1988-09-07
EP0221893A1 (en) 1987-05-20

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