WO2000043198A1 - Plastic film and method for making pneumatically filled packing cushions - Google Patents

Plastic film and method for making pneumatically filled packing cushions Download PDF

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Publication number
WO2000043198A1
WO2000043198A1 PCT/US2000/001304 US0001304W WO0043198A1 WO 2000043198 A1 WO2000043198 A1 WO 2000043198A1 US 0001304 W US0001304 W US 0001304W WO 0043198 A1 WO0043198 A1 WO 0043198A1
Authority
WO
WIPO (PCT)
Prior art keywords
film material
plastic film
perforations
cushions
edge
Prior art date
Application number
PCT/US2000/001304
Other languages
French (fr)
Inventor
Pieter Theodorus Joseph Aquarius
Frederik C. M. STRAVER
Original Assignee
Case Packing Sales Europe B.V.
Free-Flow Packaging International, 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
Application filed by Case Packing Sales Europe B.V., Free-Flow Packaging International, Inc. filed Critical Case Packing Sales Europe B.V.
Priority to AU32110/00A priority Critical patent/AU3211000A/en
Publication of WO2000043198A1 publication Critical patent/WO2000043198A1/en

Links

Classifications

    • 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
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
    • B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
    • B31D5/0073—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including pillow forming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/051—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric
    • B65D81/052—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric filled with fluid, e.g. inflatable elements
    • 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
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
    • B31D2205/0017—Providing stock material in a particular form
    • B31D2205/0023—Providing stock material in a particular form as web from a roll
    • 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
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
    • B31D2205/0052—Perforating; Forming lines of weakness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2203/00—Decoration means, markings, information elements, contents indicators

Definitions

  • This invention pertains generally to packing materials and, more particularly, to a processed plastic film material and method for the manufacture of pneumatically filled packing cushions.
  • Air-filled packing cushions are used to fill up empty spaces in packing containers and to provide protection for fragile goods. These cushions are usually manufactured by feeding an unprocessed length of plastic film material from a storage roll to a machine that processes it by sealing two layers of the material together along lines which define the cushions, injecting air between the layers to inflate the cushions, and perforating the material between the cushions. Such machines are complex and also require time-intensive maintenance.
  • Another object of the invention is to provide a roll of processed plastic film material and method of the above character from which pneumatically filled packing cushions can be manufactured with a simple machine.
  • a plastic film material and method for the manufacture of pneumatically inflated packing cushions wherein transverse rows of perforations are formed across two elongated, superposed layers of plastic film material, the layers are sealed together along lines defining a plurality of cushions separated by the perforations, and the material is then formed the film material into a roll for shipment and storage.
  • the material is unwound from the roll and fed to a relatively simple machine where air or other suitable gas is injected between the two layers, and the material is sealed to complete the cushions.
  • the film material is in the form of a flattened tube, and in others it is a centerfold material in which the film is folded along its centerline.
  • a marker is placed on the film for use in positioning the film in the machine which injects the air and seals the film to form the cushions.
  • Figure 1 is an isometric of one embodiment of a roll of processed plastic film material incorporating the invention for use in the manufacture of pneumatically filled packing cushions.
  • Figure 2 is a fragmentary top plan view of one embodiment of a processed plastic film material incorporating the invention for use in the manufacture of pneumatically filled packing cushions.
  • Figure 3 is a transverse sectional view of the embodiment of Figure 2.
  • Figure 4 is a fragmentary top plan view of another embodiment of a processed plastic film material incorporating the invention for use in the manufacture of pneumatically filled packing cushions.
  • Figure 5 is a transverse sectional view of the embodiment of Figure 4.
  • an elongated length of plastic film material 1 1 is wound about a central shaft or core 12 to form a roll 13 for use in the manufacture of pneumatically inflated packing cushions.
  • the shaft is shown as having a circular cross section, it can have any other suitable shape, such as a polygon.
  • the film material is fed from the roll to a machine that further processes it and fills it with air or other suitable gas to form the packing cushions.
  • the film material is in the form of a flattened tubular film 14 which is provided with transverse rows of perforations 16, 17 that are spaced at regular intervals along the length of the tubing. Each of the rows of perforations extends over the entire width of the tubular film.
  • the film is sealed together along lines 18 on opposite sides of every other one of the rows of perforations, i.e. next to rows 16. These seal lines are formed close to the perforations and extend across the entire width of the film to seal off the perforations in rows 16 from the rest of the material.
  • Markers 19 are provided near the intermediate rows of perforations 17, i.e. the rows which do not have the seal lines next to them. These markers can be detected optically, magnetically or by other suitable means, and can be utilized to indicate the position of the tubular film and the rows of perforations in the machine which makes the cushions.
  • the material is fed from a roll into a machine (not shown) which introduces air or other suitable gas into the tubing through perforations 17, then forms transverse seal lines similar to seal lines 18 next to the perforations to prevent the air from leaking out. Since the perforations are preformed, the machine does not have to make them, and the inflation and sealing can be done with a relatively simple, inexpensive machine.
  • the material can be prepared with seal lines 18 on both sides of all of the rows of perforations, in which case the air or other gas can be introduced into the cushions through a hollow needle punched through a wall of the film. After the air or gas has been injected, the needle is withdrawn, and the hole formed by the needle is closed by heat sealing.
  • the film material is a type sometimes referred to as a centerfold film 21 . It consists of an elongated sheet of film material which is folded along its centerline with one closed edge 22 and one open edge 23. As in the embodiment of Figure 2, transverse rows of perforations 24 are formed at regular intervals along the length of the material. Each of these rows extends across the entire width of the folded material.
  • the folded material is sealed together along lines 26 on either side of each of the rows of perforations. These seal lines are formed close to the perforations, and extend from the closed edge 22 of the material to within a short distance from the open edge 23.
  • markers similar to markers 19 in the embodiment of Figure 2 can be provided for use in aligning the film material in the machine which makes it into cushions.
  • the processed material is formed into rolls 13 for shipment and storage.
  • the material is fed from a roll into a machine (not shown) which introduces air or other suitable gas through the open edge 23 and between the two layers of the folded film.
  • the machine then seals the two layers together along a longitudinally extending line 28 which intersects the transverse seal lines

Abstract

Plastic film material (14) and method for the manufacture of pneumatically inflated packing cushions, wherein transverse rows of perforations (16, 17) are formed across two elongated, superposed layers of plastic film material, the layers are sealed together along lines (18) defining a plurality of cushions separated by the perforations, and the material is then formed and rolled for shipment and storage. At the time and place the cushions are to be used, the material is unwound from the roll and fed to a relatively simple machine where air or other suitable gas is injected between the two layers, and the material is sealed to complete the cushions. In some embodiments, the film material is in the form of a flattened tube, and in other it is the centerfold material in which the film is folded along its centerline.

Description

PLASTIC FILM AND METHOD FOR MAKING PNEUMATICALLY FILLED PACKING CUSHIONS
This invention pertains generally to packing materials and, more particularly, to a processed plastic film material and method for the manufacture of pneumatically filled packing cushions.
Air-filled packing cushions are used to fill up empty spaces in packing containers and to provide protection for fragile goods. These cushions are usually manufactured by feeding an unprocessed length of plastic film material from a storage roll to a machine that processes it by sealing two layers of the material together along lines which define the cushions, injecting air between the layers to inflate the cushions, and perforating the material between the cushions. Such machines are complex and also require time-intensive maintenance.
It is in general an object of the invention to provide a new and improved roll of processed plastic film material and method for the manufacture of pneumatically filled packing cushions.
Another object of the invention is to provide a roll of processed plastic film material and method of the above character from which pneumatically filled packing cushions can be manufactured with a simple machine.
These and other objects are achieved in accordance with the invention by providing a plastic film material and method for the manufacture of pneumatically inflated packing cushions wherein transverse rows of perforations are formed across two elongated, superposed layers of plastic film material, the layers are sealed together along lines defining a plurality of cushions separated by the perforations, and the material is then formed the film material into a roll for shipment and storage. At the time and place the cushions are to be used, the material is unwound from the roll and fed to a relatively simple machine where air or other suitable gas is injected between the two layers, and the material is sealed to complete the cushions. In some embodiments, the film material is in the form of a flattened tube, and in others it is a centerfold material in which the film is folded along its centerline. In some embodiments, a marker is placed on the film for use in positioning the film in the machine which injects the air and seals the film to form the cushions.
Figure 1 is an isometric of one embodiment of a roll of processed plastic film material incorporating the invention for use in the manufacture of pneumatically filled packing cushions.
Figure 2 is a fragmentary top plan view of one embodiment of a processed plastic film material incorporating the invention for use in the manufacture of pneumatically filled packing cushions.
Figure 3 is a transverse sectional view of the embodiment of Figure 2. Figure 4 is a fragmentary top plan view of another embodiment of a processed plastic film material incorporating the invention for use in the manufacture of pneumatically filled packing cushions.
Figure 5 is a transverse sectional view of the embodiment of Figure 4.
As illustrated in Figure 1 , an elongated length of plastic film material 1 1 is wound about a central shaft or core 12 to form a roll 13 for use in the manufacture of pneumatically inflated packing cushions. Although the shaft is shown as having a circular cross section, it can have any other suitable shape, such as a polygon. The film material is fed from the roll to a machine that further processes it and fills it with air or other suitable gas to form the packing cushions.
In the embodiment illustrated in Figure 2, the film material is in the form of a flattened tubular film 14 which is provided with transverse rows of perforations 16, 17 that are spaced at regular intervals along the length of the tubing. Each of the rows of perforations extends over the entire width of the tubular film.
The film is sealed together along lines 18 on opposite sides of every other one of the rows of perforations, i.e. next to rows 16. These seal lines are formed close to the perforations and extend across the entire width of the film to seal off the perforations in rows 16 from the rest of the material.
Markers 19 are provided near the intermediate rows of perforations 17, i.e. the rows which do not have the seal lines next to them. These markers can be detected optically, magnetically or by other suitable means, and can be utilized to indicate the position of the tubular film and the rows of perforations in the machine which makes the cushions.
After the film material has been processed by forming the perforations, seal lines and markers, it is formed into the rolls 13 for shipment and storage. To complete the cushions, the material is fed from a roll into a machine (not shown) which introduces air or other suitable gas into the tubing through perforations 17, then forms transverse seal lines similar to seal lines 18 next to the perforations to prevent the air from leaking out. Since the perforations are preformed, the machine does not have to make them, and the inflation and sealing can be done with a relatively simple, inexpensive machine. Alternatively, the material can be prepared with seal lines 18 on both sides of all of the rows of perforations, in which case the air or other gas can be introduced into the cushions through a hollow needle punched through a wall of the film. After the air or gas has been injected, the needle is withdrawn, and the hole formed by the needle is closed by heat sealing.
In the embodiment of Figure 4, the film material is a type sometimes referred to as a centerfold film 21 . It consists of an elongated sheet of film material which is folded along its centerline with one closed edge 22 and one open edge 23. As in the embodiment of Figure 2, transverse rows of perforations 24 are formed at regular intervals along the length of the material. Each of these rows extends across the entire width of the folded material.
The folded material is sealed together along lines 26 on either side of each of the rows of perforations. These seal lines are formed close to the perforations, and extend from the closed edge 22 of the material to within a short distance from the open edge 23.
If desired, markers (not shown) similar to markers 19 in the embodiment of Figure 2 can be provided for use in aligning the film material in the machine which makes it into cushions.
As in the embodiment of Figure 2, the processed material is formed into rolls 13 for shipment and storage. To complete the cushions, the material is fed from a roll into a machine (not shown) which introduces air or other suitable gas through the open edge 23 and between the two layers of the folded film. The machine then seals the two layers together along a longitudinally extending line 28 which intersects the transverse seal lines
26 near the open edge of the film to contain the air or other gas and complete the cushions. Here again, since the perforations are preformed, all the machine needs to do is to inject the air and form the longitudinal seal. That can be done with a relatively uncomplicated, inexpensive machine.
It is apparent from the foregoing that a new and improved roll of processed plastic film material and method have been provided for the manufacture of pneumatically inflated packing cushions. While only certain presently preferred embodiments have been described in detail, as will be apparent to those familiar with the art, certain changes and modifications can be made without departing from the scope of the invention as defined by the following claims.

Claims

1. A plastic film material for use in the manufacture of pneumatically inflated packing cushions, comprising two longitudinally extending superposed layers of film material joined together along at least one edge, transverse rows of perforations extending across the superposed layers, and seams sealing the two layers together along transverse lines on opposite sides of and in close proximity to the rows of perforations.
2. The plastic film material of Claim 1 wherein the seams extend across the entire width of the film material.
3. The plastic film material of Claim 1 wherein the seams extend from one edge of the film material to within a short distance from the other edge of the material.
4. The plastic film material of Claim 1 further including a marker on the film material for use in positioning the material in a machine which processes the material to make the cushions.
5. The plastic film material of Claim 1 wherein both edges of the material are closed.
6. The plastic film material of Claim 1 wherein one edge of the material is open.
7. A plastic film material for use in the manufacture of pneumatically inflated packing cushions, comprising two longitudinally extending superposed layers of film material joined together along at least one edge, transverse rows of perforations extending across the superposed layers, and seams sealing the two layers together along transverse lines on opposite sides of and in close proximity to every other one of the rows of perforations.
8. The plastic film material of Claim 7 wherein the seams extend across the entire width of the film material.
9. The plastic film material of Claim 1 wherein the seams extend from one edge of the film material to within a short distance from the other edge of the material.
10. The plastic film material of Claim 7 further including a marker on the film material for use in positioning the material in a machine which processes the material to make the cushions.
1 1. The plastic film material of Claim 7 wherein both edges of the material are closed.
12. The plastic film material of Claim 7 wherein one edge of the material is open.
13. A plastic film material for use in the manufacture of pneumatically inflated packing cushions, comprising an elongated length of tubular film which is flattened and formed into a roll, transverse rows of perforations extending across the film at periodic intervals along the length of the film, and seams sealing the film together along transverse lines on opposite sides of and in close proximity to every other one of the rows of perforations.
14. The plastic film material of Claim 13 wherein the seams extend across the entire width of the flattened film.
15. The plastic film material of Claim 13 further including a marker on the film material for use in positioning the material in a machine which processes the material to make the cushions.
16. A plastic film material for use in the manufacture of pneumatically inflated packing cushions, comprising an elongated length of film which is which is folded over along its centerline to form superposed two layers having one closed edge and one open edge, transverse rows of perforations extending across the film at periodic intervals along the length of the film, and seams sealing the film together along transverse lines on opposite sides of and in close proximity to the rows of perforations.
17. The plastic film material of Claim 16 wherein the seams extend from the closed edge to within a short distance of the open edge of the film.
18. The plastic film material of Claim 16 further including a marker on the film material for use in positioning the material in a machine which processes the material to make the cushions.
19. In a method of manufacturing pneumatically inflated packing cushions, the steps of: forming transverse rows of perforations across two elongated, superposed layers of plastic film material, sealing the layers together along lines defining a plurality of cushions separated by the perforations, forming the film material into a roll for shipment and storage, and thereafter feeding the material from the roll to a machine which injects a gas between the two layers and seals the material to complete the cushions.
20. The method of Claim 19 wherein the layers are sealed together along lines on either side of and in close proximity to every other one of the rows of perforations.
21. The method of Claim 20 wherein the gas is injected through the perforations which do not have the seals on either side of them.
22. The method of Claim 23 wherein the machine seals the material along transverse lines on either side of the rows of perforations through which the gas is injected.
23. The method of Claim 19 wherein the layers are joined together along one edge and open along one edge, the layers are sealed together along transverse lines on either side of and in close proximity to the rows of perforations, and the gas is injected through the open edge.
24. The method of Claim 23 wherein the machine seals the material along a longitudinally extending line which intersects the transverse seal lines.
PCT/US2000/001304 1999-01-20 2000-01-18 Plastic film and method for making pneumatically filled packing cushions WO2000043198A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU32110/00A AU3211000A (en) 1999-01-20 2000-01-18 Plastic film and method for making pneumatically filled packing cushions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1011096 1999-01-20
NL1011096A NL1011096C2 (en) 1999-01-20 1999-01-20 Stock roll made of plastic film, stock roll made of plastic tubular film, stock roll made of plastic centerfold film, plastic tubular film, and plastic centerfold film.

Publications (1)

Publication Number Publication Date
WO2000043198A1 true WO2000043198A1 (en) 2000-07-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/001304 WO2000043198A1 (en) 1999-01-20 2000-01-18 Plastic film and method for making pneumatically filled packing cushions

Country Status (8)

Country Link
EP (1) EP1022234B1 (en)
AR (1) AR022326A1 (en)
AT (1) ATE355233T1 (en)
AU (1) AU3211000A (en)
DE (1) DE60033585T2 (en)
NL (1) NL1011096C2 (en)
TW (1) TW452562B (en)
WO (1) WO2000043198A1 (en)

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US6598373B2 (en) 2001-02-13 2003-07-29 Sealed Air Corporation (Us) Apparatus and method for forming inflated containers
US6651406B2 (en) 2001-02-13 2003-11-25 Sealed Air Corporation (Us) Apparatus and method for forming inflated containers
US6789376B1 (en) 1999-09-22 2004-09-14 Pactiv Corporation Method and machine for the manufacture of air pillows
US7040073B2 (en) 2004-08-30 2006-05-09 Free-Flow Packaging International Machine for inflating and sealing air-filled cushioning materials
US7059097B2 (en) 1999-03-09 2006-06-13 Free-Flow Packaging International Inc. Apparatus for inflating and sealing air-filled packing cushions
US7150136B2 (en) 2002-03-01 2006-12-19 Free-Flow Packaging International Inc. Machine and method for inflating and sealing air filled packing cushions
US7225599B2 (en) 2005-04-05 2007-06-05 Sealed Air Corporation Apparatus and method for forming inflated articles
US7325377B2 (en) 2000-01-20 2008-02-05 Free-Flow Packaging International, Inc. Apparatus for making pneumatically filled packing cushions
USRE42240E1 (en) 2000-11-21 2011-03-22 Free-Flow Packaging International, Inc. Inflatable, cushioning, bubble wrap product having multiple, interconnected, bubble structures
EP2380730A1 (en) 2006-04-26 2011-10-26 Free-Flow Packaging International, Inc. Method and apparatus for inflating and sealing packing cushions employing film recognition controller
US8906478B2 (en) 2005-05-06 2014-12-09 Pregis Innovative Packaging, Inc. Films for inflatable cushions
US9340311B2 (en) 2004-11-02 2016-05-17 Sealed Air Corporation (Us) Apparatus and method for forming inflated containers

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US7832562B2 (en) 1999-03-09 2010-11-16 Free-Flow Packaging International, Inc. Apparatus for inflating and sealing air-filled packing cushions
US7223462B2 (en) 1999-03-09 2007-05-29 Free-Flow Packaging International, Inc Film material for air-filled packing cushions
US7536837B2 (en) 1999-03-09 2009-05-26 Free-Flow Packaging International, Inc. Apparatus for inflating and sealing pillows in packaging cushions
US8323774B2 (en) 1999-03-09 2012-12-04 Free-Flowing Packaging International, Inc. Apparatus for inflating and sealing pillows in packaging cushions
US7361397B2 (en) 1999-03-09 2008-04-22 Free-Flow Packaging International, Inc. Film material for air-filled packing cushions
US7059097B2 (en) 1999-03-09 2006-06-13 Free-Flow Packaging International Inc. Apparatus for inflating and sealing air-filled packing cushions
US7090912B2 (en) 1999-03-09 2006-08-15 Free-Flow Packaging International Inc. Film material for air-filled packing cushions
USRE40288E1 (en) 1999-03-09 2008-05-06 Free-Flow Packaging International, Inc. Apparatus for inflating and sealing air-filled packing cushions
US9003743B2 (en) 1999-03-09 2015-04-14 Free-Flow Packaging International, Inc. Apparatus for inflating and sealing pillows in packaging cushions
US6789376B1 (en) 1999-09-22 2004-09-14 Pactiv Corporation Method and machine for the manufacture of air pillows
US7526904B2 (en) 2000-01-20 2009-05-05 Free-Flow Packaging International, Inc. Apparatus for making pneumatically filled packing cushions
US7325377B2 (en) 2000-01-20 2008-02-05 Free-Flow Packaging International, Inc. Apparatus for making pneumatically filled packing cushions
USRE42240E1 (en) 2000-11-21 2011-03-22 Free-Flow Packaging International, Inc. Inflatable, cushioning, bubble wrap product having multiple, interconnected, bubble structures
US6651406B2 (en) 2001-02-13 2003-11-25 Sealed Air Corporation (Us) Apparatus and method for forming inflated containers
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US6804933B2 (en) 2001-02-13 2004-10-19 Sealed Air Corporation (Us) Apparatus and method for forming inflated containers
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AU3211000A (en) 2000-08-07
EP1022234B1 (en) 2007-02-28
NL1011096C2 (en) 2000-07-21
EP1022234A1 (en) 2000-07-26
TW452562B (en) 2001-09-01
AR022326A1 (en) 2002-09-04
DE60033585T2 (en) 2007-11-22
ATE355233T1 (en) 2006-03-15
DE60033585D1 (en) 2007-04-12

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