US3540187A - Apparatus for packaging products - Google Patents

Apparatus for packaging products Download PDF

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Publication number
US3540187A
US3540187A US720233A US3540187DA US3540187A US 3540187 A US3540187 A US 3540187A US 720233 A US720233 A US 720233A US 3540187D A US3540187D A US 3540187DA US 3540187 A US3540187 A US 3540187A
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United States
Prior art keywords
product
sheet
station
conveyor
belt
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Expired - Lifetime
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US720233A
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English (en)
Inventor
Alfred C Monaghan
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WELDOTORON Corp
Weldotron of Delaware Inc
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Weldotron Corp
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Assigned to UNITED JERSEY BANK/CENTRAL, N.A., NATIONAL BANKING ASSOCIATION reassignment UNITED JERSEY BANK/CENTRAL, N.A., NATIONAL BANKING ASSOCIATION SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WELDOTRON OF DELAWARE, INC., A CORP OF DE
Assigned to WELDOTRON OF DELAWARE, INC., A DE CORP. reassignment WELDOTRON OF DELAWARE, INC., A DE CORP. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: WELDOTRON CORPORATION, A NJ CORP.
Assigned to WELDOTRON OF DELAWARE, INC. A DE CORPORATION reassignment WELDOTRON OF DELAWARE, INC. A DE CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: WELDOTRON CORPORATION
Assigned to CONGRESS FINANCIAL CORPORATION reassignment CONGRESS FINANCIAL CORPORATION SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WELDOTRON OF DELAWARE, INC.
Assigned to WELDOTRON OF DELAWARE, INC. reassignment WELDOTRON OF DELAWARE, INC. RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: BANK OF NEW YORK, THE, A STATE BANK ASSOC. OF NY, UNITED JERSEY BANK/CENTRAL, N.A. A NATIONAL BANKING ASSOCIATION
Assigned to WELDOTORON CORPORATION reassignment WELDOTORON CORPORATION RELEASE OF ASSIGNMENT Assignors: CONGRESS FINANCIAL CORPORATION
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/08Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path
    • B65B11/10Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in tubular form about contents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/08Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path
    • B65B11/10Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in tubular form about contents
    • B65B11/12Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in tubular form about contents and then to form closing folds of similar form at opposite ends of the tube
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B59/00Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/001Arrangements to enable adjustments related to the product to be packaged
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B59/00Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/02Arrangements to enable adjustments to be made while the machine is running
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B2210/00Specific aspects of the packaging machine
    • B65B2210/04Customised on demand packaging by determining a specific characteristic, e.g. shape or height, of articles or material to be packaged and selecting, creating or adapting a packaging accordingly, e.g. making a carton starting from web material

Definitions

  • a product wrapping system includes means for detecting the length of the product, for providing a sheet of film of appropriate length and for feeding the sheet so that the leading end portion of the sheet underlies the trailing end of the product, for wrapping the trailing end of the sheet over, around and under the leading end of the product so that the trailing end of the sheet underlies the leading end of the product and the leading end of the sheet, to provide a sleeve wrap around the product.
  • the system also includes means for folding down the open ends of the sleeve and for laying these folded down ends under the product in overlapped relationship, to provide a product which is overwrapped on all four sides.
  • This invention relates to the packaging of articles in a web of sheet material.
  • a feature of this invention is a system which automatically detects the length of the product to be wrapped: automatically provides a web of sheet material of an appropriate length; automatically wraps the web around the product to form a sleeve with lateral openings and a transverse overlap seal.
  • An additional feature of this invention is a system which automatically receives the sleeve wrapped product, and automatically folds over the ends of the sleeve to form a longitudinal overlap seal.
  • FIG. 1 is a top plan view of an apparatus embodying this invention
  • FIG. 2 is a side elevation view of the apparatus of FIG. 1;
  • FIG. 3 is an end cross-sectional view taken along the plane 33 of FIG. 1;
  • FIG. 4 is an end cross-sectional view taken along the plane 44 of FIG. 1;
  • FIGS. 5 and 6 are side elevation views of a modification of the sleeve wrap apparatus of FIG. 1.
  • the products to be wrapped are sequentially disposed on an infeed conveyor 10.
  • This conveyor includes two parallel spaced apart belts 12 and 14 passing around two rollers 16 and 18.
  • the machine direction is defined as the direction of movement of each product as it is wrapped.
  • a plurality of sensing switches are suitably mounted with their actuators extending up between the upper runs of the belts 12 and 14.
  • the actuator of the switch 20 is adjacent the downstream end of the conveyor, the actuators of the switches 22, 24 and 26 are further upstream.
  • the leading (downstream) edge of the product 28 operates the actuator of the switch 20, the remainder of the product will overlap and actuate either the switch 22; or the switches 22 and 24; or the switches 22, 24 and 26, depending on the length of the product.
  • a porous belt 30 passes around two rollers 32 and 34, at an angle to and beneath the belts 12 and 14.
  • a plurality of hoppers or trays 36, 38 and 40 are disposed adjacent to and above the upper run of the belt 30.
  • a like plurality of vacuum chambers 42, 44 and 46 are disposed immediately beneath the upper run of the belt 30, respectively adjacent the hoppers 36, 38, 40.
  • the vacuum chambers 42, 44 and 46 are open topped and are each coupled to a vacuum source 48 by a respective one of a plurality of solenoid operated valves 50, 52, 54.
  • the solenoids are coupled to an electrical power source, not shown, by a switching matrix, not shown, which includes the switches 20, 22, 24, 26 and suitable AND and OR gates.
  • a switching matrix not shown, which includes the switches 20, 22, 24, 26 and suitable AND and OR gates.
  • a stack of long sheets of thermoplastic material is disposed in the hopper 36 with the leading lower edge portion of the stack bent up, and overlying a portion of the belt 30 and the vacuum chamber 42.
  • a stack of medium length sheets is disposed in the hopper 38 with the leading lower edge portion bent up and overlying a portion of the belt 30 and the vacuum chamber 44.
  • a stack of short sheets is disposed in the hopper 40 with the leading lower edge portion bent up and overlying a portion of the belt 30 and the vacuum chamber 46.
  • the vacuum is effective to cause the lowermost sheet in the respective stack to adhere to the porous belt 30 and to be drawn from the stack.
  • the leading edge of the product and the leading edge of this sheet, which sheet is to serve as a wrapper for the product, are then fed to the next adjacent conveyor belt 56.
  • the phasing of this feed is not critical and is advantageously set so that the leading edge of the product leads the leading edge of the sheet downstream in the machine direction by a distance slightly less 3 than one half of the length of the product.
  • the belt 56 passes around two rollers 58 and 60.
  • Two sets of four sprocket wheels each 62A, 62B, 62C, 62D and 64A, 64B, 64C and 64D are journaled n suitable stub shafts on each side of the belt 56.
  • An endless chain 66 passes around the sprocket wheels 62A D
  • an endless chain 68 passes around the sprocket wheels 64A D.
  • Two pairs of flights or rods 70 are supported by and between the endless chains 66 and 68.
  • a photocell 72 and a photodetector 74 are disposed on a line between the conveyors 12/14 and 56.
  • the flights 70 which are initially disposed at a station A at the upstream end of the conveyor 56 swing up, around and down to a station B at the downstream end of the conveyor 56, engaging the sheet of film 76 which has been advanced by the conveyor belt 30, and wrapping the trailing end of the sheet 76 about the product, leaving this trailing end dangling down in the gap between the conveyor '56 and the next conveyor 80.
  • the conveyor belt 80 passes around two rollers '82 and 84.
  • a hot plate 86 which may be electrically powered, is disposed under the upper run of the belt 80.
  • the belt 80 may be made of a suitable heat transmitting yet heat resistant material, such as silicone rubber.
  • the conveyor 86 may discharge the sleeve wrapped product from the system. If a shrunk sleeve is desired, the conveyor may discharge the sleeve wrapped product to a heat shrink tunnel, such as shown in US. Pat. No. 3,222,800, issued M. Siegel et al., on Dec. 14, 1965. If a four sided overlap is desired, the conveyor 80 may discharge the product to a side wrapping system such as 90.
  • the side wrapping system 90 comprises two spaced apart infeed conveyor belts or chains 92 and 94 which are respectively passed around sheaves or sprocket wheels 96, 98, 100 and 102.
  • the wheels 96 and 100 may be fixed to the common shaft 104 which is suitably journaled, and the wheels 98 and 102 may be fixed to a common shaft 106 which is suitably journaled.
  • a pair of spaced apart belts 108 and 110 straddle the infeed conveyor belts, and provide a sleeve folding function.
  • the folding belt '108 which is endless, preferably is of circular cross section, and passes around a horizontally journaled sleave 112 at its upstream end and around a horizontally journaled sheave 114 at its downstream end.
  • the upper run of the belt 108 comes off the top of the sheave 112, passes over a horizontally journaled sheave 116, under a horizontally journaled roller 118, under, around and back over the sheave 114, and against a vertically journaled sheave 120, and under and around the roller 112.
  • the folding belt 110 which is endless, preferably is of circular cross-section, and passes around a horizontally journaled sheave 122 at its upstream end and around a horizontally journaled sheave 124 at its downstream end. The upper run of the belt comes oil?
  • the top of the sheave 122 passes under a horizontally journaled roller 126, over a horizontally journalcd sheave 128, under a horizontally journaled roller 130, under, around and back over the sheave 124, against a vertically journaled sheave 132, and then under and around the sheave 122.
  • the sheaves 116 and 128 are disposed above the base level of the product.
  • the sheaves 120 and 132 are disposed at the base level of the product, the rollers 118 and are disposed at the base level of the product.
  • the sheaves 114 and 124 are disposed just below the base level of the product.
  • the sheave 116 is disposed upstream in the machine direction of the sheaves 98 and 102, while the corresponding sheave 128 is disposed downstream of the sheaves 98 and 102.
  • the sheave 120 is disposed upstream of the corresponding sheave 132.
  • the rollers 118 and 130 are substantially in line.
  • the sheaves 114 and 124 may be fixed to a common shaft and are relatively closely spaced to converge the belts 108 and 110- at the downstream end of the system 90. As the packages proceed under the two round folding belts, the belts fold the upper layer of the film down. At this stage, the product is supported on the upper runs of the two support chains 92 and 94.
  • the film has been folded down to 90, as shown in FIG. 3.
  • the lower layer of film is now pushed down by the upper layer of film and the folding belts continue to descend as they travel downstream in the machine direction until the upper surface of the folding belts are level with the base of the product.
  • the folding belts begin to converge, and the support chains end.
  • the product transfers onto the folding belts and as these belts continue to converge, the film, which has already been folded down, is now folded under the product, as shown in FIG. 4.
  • the belts are staggered in their convergence so that the folding belt 108 folds its side down and under first and the belt 110 folds its side down and under subsequently, so that the two sides will overlap without interference.
  • the system 9 0 then discharges the product to the next conveyor belt 150.
  • the conveyor belt passes around two rollers 152 and 154.
  • a heating plate 156 which may be electrically powered, is disposed under the upper run of the belt 150.
  • the belt 150 may be made of suitable heat transmitting, yet heat resistant, material. As the product passes over the heated belt 150 the heat seals all of the underwrapped layers together to provide a fully sealed package. If a heat shrink package is desired the system may discharge the wrapped product to a heat shrink tunnel as previously described.
  • FIGS. 5 and 6 An alternative system for providing sheet film for wrapping from a continuous film supply roll rather than from a stack of pre-cut sheets is shown in FIGS. 5 and 6.
  • An input conveyor belt 200 passes around two rollers 202 and 204.
  • a porous belt 206 passes around two rollers 208 and 210.
  • a vacuum chamber 212 is disposed beneath the upper run of the conveyor belt 206.
  • a continuous web of sheet material 214 unwinds from a supply roll 216 which is disposed on a shaft 218, passes around a guide roller 220, around a guide roller 222, between two pinch rollers 224 and 226, between two wedge shaped air ducts 228 and 230, onto the upper run of the conveyor belt 206.
  • the upper pinch roller is supported between a pair of arms 232 which are pivoted on a shaft 234 for rocking motion.
  • the lower ends of the arms 232 are coupled to the piston 236 of a solenoid valve operated air cylinder 238.
  • the upper ends of the arms 232 support a radiant heat cut-01f element 240, such as electrically powered resistance wire, such as is shown in US. Pat. 3,135,077, issued to M. Siegel et al., on June 2, 1964.
  • the pinch roller 224 is driven by a suitable drive, not shown.
  • a photocell and a photodetector 250 provide a light beam across the upper run of conveyor belt 200 slightly upstream of its downstream end.
  • a clamping pad 254 may be disposed above the web of sheet material 214 and the lower end of the arms 232 may also support a pressure pad 256 below the web in line with the pad 254.
  • the photodetector When a product interrupts the light beam, the photodetector operates a suitable relay, not shown, which actuates the solenoid valve of the cylinder 238 to cause the cylinder to release the pressure pad 256 from the web and the clamping pad 254, while concurrently pinching the web between the pinch rollers 226 and 224.
  • the pinch rollers advance the web between the wedge shaped pressurized ducts 228 and 230, which ducts are coupled to a source of positive air pressure, not shown.
  • the air flow supplied by the ducts floats and guides the web between the ducts and onto the upper run of the conveyor belt 206.
  • the relay also operates a solenoid operated valve 260 which couples the vacuum chamber 212 to a suitable source of pressure, not shown.
  • the solenoid operated valve now causes the piston 236 to extend, clamping the film between the pads 254 and256, releasing the pinch rollers 226 and 224 and bringing hot wire 240 down onto the film which is tensioned between the pads 254/ 256 and the moving belt 206, thereby cutting the web which continues to be fed by the belt 206 for wrapping around the product as described with respect to FIG. 1.
  • Apparatus for wrapping a product in a sheet of material comprising; means for conveying the product along a path in the machine direction; a first station on said path, and a second station on said path downstream of said first station; means for providing a sheet of material having a length adequate to form a sleeve around the product, and for conveying the leading end of the sheet from below said path into said first station to the underside of the product while the product is passing through said first station, whereby the leading end of the sheet underlies the trailing end of the product; means independent of said product conveying means disposed between said first and second stations, movable in an endless path separate from the path of movement of said conveying means for engaging the trailing end of the sheet at said first station, after the product has passed through first station, and before the product has reached said second station, and for conveying the trailing end of the sheet up behind, over the top, and down in front of the product, through said second station and transversely of and beneath said path, so that, subsequently, as the product passes through said
  • Apparatus for wrapping a product in a sheet of material comprising; means for conveying the product along a path in the machine direction; a first station on said path, and a second station on said path downstream of said first station; means for providing a sheet of material having a length adequate to form a sleeve around the product, and for conveying the leading end of the sheet from below said path into said first station to the underside of the product while the product is passing through said first station, whereby the leading end of the sheet underlies the trailing end of the product; means disposed between said first and second stations for engaging the trailing end of the sheet at said first station, after the product has passed through first station, and before the product has reached said second station, and for conveying the trailing end of the sheet up behind, over the top, and down in front of the product, through said second station and transversely of and beneath said path, so that, subsequently, as the product passes through said second station, the trailing end of the sheet is pulled under the leading end of the product by the operation of the conveying
  • said fourth conveyor system includes an elongated member horizontally supported for movement by support means up between said first and second conveyor systems, over said second conveyor system, and down between said second and third conveyor systems.
  • said fourth conveyor system support means comprises a pair of spaced apart, parallel, congruent, endless chains, straddling said second conveyor system;
  • said elongated member comprises a rod coupled to and between said pair of chains.
  • said sheet providing means comprises:
  • a porous conveyor belt disposed below said path, having one end thereof extending up into said first station;
  • a vacuum chamber disposed beneath the upper run of the conveyor belt, coupled to means for effecting the evacuation of said chamber and thereby providing suction through the adjacent portion of said conveyor belt;
  • Apparatus for wrapping a product in a sheet of material comprising: means for conveying the product along a path in the machine direction; a first station on said path, and a second station on said path downstream of said first station; means for providing a sheet of material having a length adequate to form a sleeve around the product, and for conveying the leading end of the sheet from below said path into said first station to the underside of the product while the product is passing through said first station, whereby the leading end of the sheet underlies the trailing end of the product; means disposed between said first and second stations, movable for engaging the trailing end of the sheet of said first station, after the product has passed through first station, and before the product has reached said second station, and for conveying the trailing end of the sheet up behind, over the top, and down in front of the product, through said second station and transversely of and beneath said path, so that, subsequently, as the product passes through said second station, the trailing end of the sheet is pulled under the leading end of the product by the operation
  • Apparatus for wrapping a product in a sheet of material comprising: means for conveying the product along a path in the machine direction; a first station on said path, and a second station on said path downstream of said first station; means for providing a sheet of material having a length adequate to form a sleeve around the product, and for conveying the leading end of the sheet from below said path into said first station to the underside of the product while the product is passing through said first station, whereby the leading end of the sheet underlies the trailing end of the product; means disposed between said first and second stations for engaging the trailing end of the sheet at said first station, after the product has passed through first station, and before the product has reached said second station, and for conveying the trailing end of the sheet up behind, over the top, and down in front of the product, through said second station and transversely of and beneath said path, so that subsequently, as the product passes through said second station, the trailing end of the sheet is pulled under the leading end of the product forming a slee
  • said supply means includes a roll of said sheet material
  • said first means includes a pair of driven pinch rollers
  • said second means includes a pair of clamping members
  • said third means includes an elongated, radiant heat source.
  • said fourth conveyor system including:
  • first folding means for initially folding down and under the product one of the overextending ends of the sleeve
  • second folding means for subsequently folding down and under theproduct the other of the overextending ends of the sleeve.
  • said fourth conveyor means further includes:
  • said first and second means comprise a second pair of spaced apart endless belts, each having a first portion straddling said first pair of chains and a second portion extending and converging downstream in the machine direction beyond said first pair of chains;
  • said second portion of each belt having an extension of said lower run of said first portion which is coplanar with the upper runs of said first pair of chains, and having an extension of said upper run of said first portion which passes through and below the plane of said upper runs of said first pair of chains;
  • said first pair of chains support and convey said sleeve wrapped product along said path in said machine direction while said lower runs of said first portion of said belts progressively ride down on and fold down the extending ends of the sleeve about said product, and said converging extension of said lower runs of said first portion in said second portion support and convey said product along said path in said machine direction while said extension of said upper runs of said first portion in said second portion fold the folded down ends of the sleeve under the product.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Basic Packing Technique (AREA)
US720233A 1968-04-10 1968-04-10 Apparatus for packaging products Expired - Lifetime US3540187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72023368A 1968-04-10 1968-04-10

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US3540187A true US3540187A (en) 1970-11-17

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US720233A Expired - Lifetime US3540187A (en) 1968-04-10 1968-04-10 Apparatus for packaging products

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US (1) US3540187A (de)
DE (1) DE1918037A1 (de)
FR (1) FR2005949A1 (de)
GB (1) GB1261794A (de)
SE (1) SE364914B (de)

Cited By (26)

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US3791100A (en) * 1971-02-04 1974-02-12 Weldotron Corp Bundling machine and process
US3791101A (en) * 1971-04-20 1974-02-12 Weldotron Corp Packaging machine and process
JPS4958985A (de) * 1972-09-27 1974-06-07
US3908333A (en) * 1972-11-02 1975-09-30 Mario Cavanna Device for registering articles and package elements therefor during feed to a packaging machine
US3964235A (en) * 1973-11-02 1976-06-22 Owens-Corning Fiberglas Corporation Roll-up compressive packaging apparatus
US4144697A (en) * 1977-04-11 1979-03-20 Tadoru Suga Packing apparatus
JPS5442284A (en) * 1977-09-10 1979-04-04 Omori Machinery Machine for continuous wrapping with stretch film
US4520613A (en) * 1980-07-18 1985-06-04 Eurobeva Engineering Trust Method and machine for the packaging of articles with a stretchable foil
US4532751A (en) * 1984-04-16 1985-08-06 Oscar Mayer Foods Corp. Automatic sheet product line
US4543766A (en) * 1983-02-24 1985-10-01 Hobart Corporation Packaging system
US4557102A (en) * 1982-10-12 1985-12-10 Shigeru Ikemoto Hand wrapping apparatus
US4633650A (en) * 1984-10-12 1987-01-06 Broderna Solbergs Forsaljnings Aktiebolag Method and a device for cutting end disks for the packing of paper rolls
US4858416A (en) * 1987-08-04 1989-08-22 Siempelkamp Corporation Tensionless seal apparatus and method
US5048261A (en) * 1989-09-14 1991-09-17 Lantech, Inc. Top sheet dispenser for a stretch wrapping apparatus
US5065856A (en) * 1989-06-12 1991-11-19 Simplimatic Engineering Company Apparatus and method for packaging articles
US5203144A (en) * 1991-04-03 1993-04-20 Baumer S.R.L. Machines for packaging articles with heat-shrinking material
US5203146A (en) * 1991-07-29 1993-04-20 Baumer S.R.L. Machine for the packaging of articles of any size in sheets of, in particular, a heat-shrinking material
US5463846A (en) * 1993-06-18 1995-11-07 Baumer S.R.L. Method of and apparatus for wrapping an article
US6474041B1 (en) * 1998-12-22 2002-11-05 Baumer S.R.L. Machine for packaging objects by means of a sheet of heat-shrink material
US6739115B1 (en) * 2001-05-09 2004-05-25 Aetna Group S.P.A. Equipment for wrapping groups of products in plastic film
US20040107678A1 (en) * 2002-12-06 2004-06-10 Aetna Group S.P.A. Apparatus for making a tubular length of stretch film
US20050193693A1 (en) * 2004-03-04 2005-09-08 Yi-Chiu Chao Packing machine having prepared film connecting function
JP2008114927A (ja) * 2008-02-04 2008-05-22 Mitsubishi Heavy Industries Food & Packaging Machinery Co Ltd フィルム状物送給装置及びフィルム状物による包装装置
JP2011105392A (ja) * 2011-03-04 2011-06-02 Mitsubishi Heavy Industries Food & Packaging Machinery Co Ltd フィルム状物による包装装置
US20120117923A1 (en) * 2010-11-16 2012-05-17 Krones Ag Packaging module for packs or groups of articles to be wrapped in film
US20140126986A1 (en) * 2012-11-02 2014-05-08 Packaging Progressions, Inc. Back card feeding system

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US3838550A (en) * 1972-08-22 1974-10-01 Owens Illinois Inc Method and apparatus for packaging
GB2166408B (en) * 1984-01-17 1987-10-14 Linton Packaging Limited Wrapping articles
FR2669604B1 (fr) * 1990-11-26 1993-02-12 Sip Condi Film Sa Dispositif de banderolage pour colis.
GB9106265D0 (en) * 1991-03-25 1991-05-08 Stanton Bonna Concrete Limited Gasket arrangements for pipe joints and pipe joints including the same
GB2569944A (en) * 2017-12-23 2019-07-10 Vancebuild Ltd A packaging machine

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US3287876A (en) * 1961-04-07 1966-11-29 Battle Creek Packaging Machine Method of wrapping articles or packages
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US3276184A (en) * 1963-09-11 1966-10-04 Battle Creek Packaging Machine Machine for wrapping articles and loaves of sliced bread in limp film wrapper sheets
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Also Published As

Publication number Publication date
SE364914B (de) 1974-03-11
GB1261794A (en) 1972-01-26
DE1918037A1 (de) 1969-10-23
FR2005949A1 (de) 1969-12-19

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