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US 5,722,217 AGranted
Method and apparatus for continuosusly forming, filling and sealing packages while linked together
AssigneeCloud Corporation
InventorCharles E. Cloud
Life of this patent
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AssigneeCloud Corporation
InventorCharles E. Cloud
Estimating the term…
A method of continuously forming, filling and sealing of packages with a continuous web of polyethylene film material is disclosed and comprises the steps of folding the web to provide confronting sides joined along a bottom edge and sealing by training the web onto a vertical seal former having plurality of vertical sealers and progressively forming each vertical seal as the web is being continuously moved with the vertical sealer while at the same applying a low temperature sealing action to allow the area of the film being sealed to be progressively cooked. This process forms a series of horizontally disposed pouches severed by the vertical seals extending transversely of the web leaving sealed side edges of each pouch partially severed from one another with upper portions of each pouch also remaining connected with adjoining pouches and having opposed sidewalls of each pouch unsealed along a top edge preparatory to filling. Opened pouches are then filled prior to sealing a top portion of the opposed sidewalls of each pouch together to enclose the filled pouches with a final pouch closing seal there after added. A packaging apparatus is also provided for continuously forming filled and sealed packages, each having an expanded bottom end capable of receiving a greater amount of fill.
A method of continuously forming, filling and sealing of packages with a continuous web of fusible film material, comprising the steps of:
A method of continuously forming, filling and sealing of packages having a peelable seal, comprising the steps of:
A method of continuously forming, filling and sealing of packages, comprising the steps of:
A method of forming vertical seals for use in a packaging machine having a continuous web of film material having confronting sides, comprising the steps of sealing by training the web onto a vertical seal former having plurality of vertical sealers and progressively forming each vertical seal as the web is being continuously moved with the vertical sealer while at the same applying a low temperature sealing action to allow the area of the film being sealed to be progressively cooked forming a series of horizontally disposed pouches severed by the vertical seals extending transversely of the web leaving sealed side edges of each pouch severed from one another with upper portions of each pouch being connected with adjoining pouches and having opposed sidewalls of each pouch unsealed along a top edge.
A method of opening pouches on a continuous web of film material for use in a packaging machine, the web having horizontally disposed pouches separated by vertical seals extending transversely of the web and having opposed sidewalls of each pouch unsealed along a top edge, the method comprising of steps of:
A packaging apparatus, comprising:
A vertical seal former device for use with a continuous web of fusible film material having confronting sides, the device comprising:
A packaging apparatus, comprising:
A packaging apparatus for opening pouches on a continuous web of film material, the web having horizontally disposed pouches separated by vertical seals extending transversely of the web and having opposed sidewalls of each pouch unsealed along a top edge, the apparatus comprising:
A method of continuously forming, filling and sealing of packages with a continuous web of fusible film material, comprising the steps of:
A method of continuously forming, filling and sealing of packages with a continuous web of fusible film material, comprising the steps of:
A method of forming vertical seals for use in a packaging machine having a continuous web of film material having confronting sides, comprising the steps of sealing by training the web onto a vertical seal former having plurality of vertical sealers and progressively forming each vertical seal as the web is being continuously moved with the vertical sealer while at the same applying a low temperature sealing action to allow the area of the film being sealed to be progressively melted forming a series of horizontally disposed pouches severed by the vertical seals extending transversely of the web leaving sealed side edges of each pouch severed from one another with upper portions of each pouch being connected with adjoining pouches and having opposed sidewalls of each pouch unsealed along a top edge, wherein the step of sealing by training the web onto a vertical seal former includes the steps of rotating a sealing drum of the vertical seal former having a plurality of circumferentially spaced sealing wires electrically connected in series, and providing an electrical current to the sealing drum to generate a first electrical path between a first set of sealing wires and a second electrical path between a second set of sealing wires, each sealing wire progressively moving through the first set and the second set as the sealing drum rotates.
A packaging apparatus, comprising:
A packaging apparatus, comprising:
A packaging apparatus, comprising:
A vertical seal former device for use with a continuous web of fusible film material having confronting sides, the device comprising:
A method of forming vertical seals for use in a packaging machine having a continuous web of fusible paper-free film material having confronting sides, comprising the steps of sealing by training the web onto a vertical seal former having plurality of vertical sealers and progressively forming each vertical seal as the web is being continuously moved with the vertical sealer while at the same applying a low temperature sealing action to allow the area of the film being sealed to be progressively melted along a sealing wire of each vertical sealer forming a series of horizontally disposed pouches severed by the vertical seals extending transversely of the web leaving sealed side edges of each pouch severed from one another with upper portions of each pouch being connected with adjoining pouches and having opposed sidewalls of each pouch unsealed along a top edge, and holding the web against the vertical seal former during sealing with a pressing action of a belt moving in synchronized motion with the web.
A vertical seal former for use with a continuous web of fusible paper-free film material having confronting sides, the device comprising:
Dependencies are inferred from the claim text.