US3783580A - Close fitting article packaging system - Google Patents

Close fitting article packaging system Download PDF

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Publication number
US3783580A
US3783580A US00295949A US3783580DA US3783580A US 3783580 A US3783580 A US 3783580A US 00295949 A US00295949 A US 00295949A US 3783580D A US3783580D A US 3783580DA US 3783580 A US3783580 A US 3783580A
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Prior art keywords
bag
wicket
guide shoe
bags
edge
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Expired - Lifetime
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US00295949A
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English (en)
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V Raudys
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Viskase Corp
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Union Carbide Corp
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Assigned to VISKASE CORPORATION, A CORP. OF PA. reassignment VISKASE CORPORATION, A CORP. OF PA. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: UNION CARBIDE CORPORATION, A CORP. OF NEW YORK
Assigned to CONTINENTAL BANK N.A. reassignment CONTINENTAL BANK N.A. SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: VISKASE CORPORATION
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    • 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
    • B65B67/00—Apparatus or devices facilitating manual packaging operations; Sack holders
    • B65B67/02—Packaging of articles or materials in containers
    • B65B67/04—Devices facilitating the insertion of articles or materials into bags, e.g. guides or chutes
    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/34—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure

Definitions

  • ABSTRACT Stacked wicketed flexible bags are air-opened sequentially one at a time at a packaging station, product being packaged is directed into each bag under a pendant product-contoured guide which shapes and holds the bag upper ply and the closely fitted product filled bag is pulled from the wicket.
  • the present invention relates to a method and apparatus for sequentially opening flexible packaging bags one at a time from a stacked supply of bags, filling each opened bag with a close fitted product to be packaged and removing the close fitted product filled bag from atop the stacked supply to permit opening and filling of the next bag, and more particularly to a method and apparatus for close fitted bag filling operations which includes opening the bags automatically with an air stream, guiding products to be packaged into the opened bags under a pendant product-contoured guide means which shapes and holds the upper ply of each bag being filled while holding the stacked supply of bags by pressure on a wicket having legs which pass through holes in the lower ply of each bag in the stack down into wicket sockets in the apparatus, and removing the close fitted product filled bag from atop the stacked bag supply by pulling it against the wicket legs to shear the bag material from the wicket holes through the bag lower
  • the basic technique in the aforesaid copending application involes air opening the bags one at a time, filling each opened bag with an article to be packaged through expandable guide means which intrude into the open bag and accommodate to the size and shape of a product being packaged while holding the stacked supply of bags to be filled by pressure on a wicket having legs which extend through holes in the lower ply of each bag in the stack down into sockets in the apparatus, and sequentially removing each product filled bag from atop the stacked bag supply by pulling it from the wicket.
  • the force of the product bottoming in the bag pulls the bag lower ply from under the bag edge restraining elements of the wicket, allowing the bag to precess up onto the wicket shoulders, where bag wicket hole edge tearing stresses are concentrated on the wicket legs.
  • the bags being filled are of a fully open cross section and the volume greater than the product being packaged and are thus said to be slack filled.
  • Slack filling techniques followed by air removal, closure and shrinking while necessarily and satifactorily used in the packaging of articles varying in a series somewhat as to size, shape and weight, are not economical of bag material and are not necessarily imposed in th packaging of closely similar articles in a series.
  • wickets for reasons of manufacturing economy, standardization of bulk bag packaging modes, part interchangeability, reduction of spare parts stocks, and ease of operation, it is highly desirable to have the wickets made uniform.
  • the span between wicket legs and the span or spacing between wicket bag edge restraining element s be made to respective uniform dimensions to accommodate as broad as possible a range of wicketed stacked bag width dimensions.
  • Other problems arise if the bag widths are too great or too small relative to preselected uniform wicket leg and bag edge restraining element spacings.
  • the clear opening area available for product insertion into an inflated bag mouth is, of course, affected by the extent to which the wicket bag edge rstraining elements hold flat the lower ply of the bag being filled, and, for as long as the bag lower ply edge is under the restraining elements, by the height of the wicket shoulders and the spacing between the wicket legs.
  • the ratio of clear opening area to obstructed area is not too critical.
  • the otherwise available area of bag mouth opening which is obstructed by the wicket shoulders and legs makes the filling step difficult and cumbersome. In close fitted filling operations any degree of obstruction in maximum attainable clear opening area creates problems and lessens operational efficiency.
  • the present invention was conceived and developed to provide for the adaptation of semiautomatic packaging systems generally and more particularly the packaging system of copending application Ser. No. 173,960, to the very close fitted packaging of a series of products of substantially uniform size, shape, and weight.
  • the invention also provides a technique for modifying the shape of an air opened bag mouth to conform to a close approximation of the cross section of a product being introduced into the bag in high speed semiautomatic packaging syte'ms.
  • the present invention further provides for an initial release of each air opened bags lower ply from beneath the hold down or restraining elements of the wicket, towards implementation of the bag mouth shaping operation and to facilitate introduction of the product being packaged into the bag.
  • a still further attainment of the invention is the provision of a packaging technique which permits the use of smaller flat width bag size for a given size and shape of product than heretofore possible with known means of automatic and semiautomatic packaging systems.
  • Another and important attribute of the invention is that it resolves the clear opening area problem discussed hereinabove, so that the clear opening area of the inflated bag mouth is maximized, permitting more case and operating flexibility in shaping the bag opening for the introduction of highly close fittd articles being packaged, and the benefits provided in this respect by the invention increase relatively as required bag width is decreased.
  • FIG. 1 is a side elevational view showing apparatus according to the invention, mounted on a typical bag opening apparatus, at the initiation of a packaging operation,
  • FIG. 2 is a side elevational view of apparatus according to FIG. 1 showing a packaging operation in progress
  • FIG. 3 is a sectional view of the apparatus taken along section line 3-3 of FIG. 1,
  • FIG. 4 is a partial plan view showing a detail of a flapper guide mounting
  • FIG. 5 is a side elevational view of the FIG. 4 detail
  • FIG. 6 is a free body plan view detail showing the relationship between a holding wicket and an inflated s
  • FIG. 7 is a side elevational view of the FIG. 7 detail
  • FIG. 8 is a free body diagrammatic sectional view showing two positions, relative to a wicket, of a blown open bag to be filled, and
  • FIG. 9 is a free body diagrammatic sectional view illustrating the clear opening area phenomena relative to two sizes of bags on a wicket.
  • a product contoured guide is advanced to the opened bag mouth to engage the inside of the inflated upper ply to thereby transfer and raise the bottom ply from under the restraining means to the narrowly spaced wicket shoulders innermost portion, concurrently as the bags mouth is shaped and immobilized by the product contoured guide.
  • the product guide is advanced further to fully expand the inflated bag to the extent the advancing product shape demands.
  • the product is advanced to the bag bottom and the bag lower ply is torn from the wicket legs.
  • the present invention comprehends, in apparatus for continually sequentially blow opening and filling flattened flexible arc mouth, arc lipped packaging bags from a stacked supply of such bags held by a wicket having legs extending through holes in the lower plies of the bags, a bag edge restraining element bearing vertically on the upper surface of the lower ply of the topmost bag of the stacked supply of bags, a horizontal center portion arranged to transmit vertical force to said edge restraining element, and an upwardly extending shoulder between each wicket leg and said center portion, the improvement of a close product filling bag filling guide attachment conprising, in combination, a guide shoe having an undersurface and an oversurface both contoured generally to conform to the upper surface of an article being packaged and having a leading edge and a trailing edge; a guide shoe suspension rod having an upper end, and a lower end connecting to the oversurface of the guide shoe in a manner to dispose the leading edge of the guide shoe at an elevation lower than the trailing edge thereof when said suspension rod is vertically pendant,
  • the guide shoe is contoured to define an inverted U-shape arcuate cross section in a vertical plane transverse to the longitudinal axis of the apparatus.
  • the hanger means may advantageously connect to the guide shoe suspension rod through an adjustable holding means whereby the length of the suspension rod extending between the hanger means and the guide shoe may be varied to selectably raise and lower the height of the guide shoe relative to the apparatus.
  • the adjustable holding means described hereinabove may comprise a threaded sleeve and a clamping nut threadedly engaged with threads on the upper end of the guide shoe suspension rod.
  • the resilient means biasing the hanger means against movement from said first position towards said second and third positions may advantageously comprise a coil spring coaxially mounted on a rotatable shaft attached to said hanger means, said shaft being that upon which the hanger means is pivotally moveably mounted.
  • a preferred embodiment of apparatus according to the present invention comprises two protrusions affixed to and extending upwardly and outwardly from the oversurface of the guide shoe adjacent the leading edge thereof, arranged one on each side of the connection point of the guide shoe to the guide shoe suspension rod, disposed to engage the open edge of the upper ply of the blownopen bag at two'contact points and to advance the lower ply of said bag from under the bag edge restraining of the wicket in the course of the movement of the hanger means from said second position towards said third position.
  • a packaging station provided with apparatus is shown generally at 11 and comprises a frame 13 pivotally mounting a housing 15 by means of trunnions 17 disposed at the rear or aft end of the apparatus which, as shown, is to the right in FIG. 1.
  • Housing 15 mounts a blower 19 having an air discharge towards the fore end of the apparatus through a duct 21 and the housing 15 upper surface forms a platen 23 for supporting and facilitating manipulation of a product such as a meat article, to be bagged at the packaging station.
  • the fore end of frame 13 supports a bagging platform 25, to the left as illustrated in the drawings FIGS. 1 and 2, upon which a supply of bags 27 is placed for use in the packaging operation.
  • Bagging platform is provided at its aft end with a wicket socket boss 29 having a wicket sockets 31 drilled or otherwise formed in parallel relationship to each other at paired spacings to accommodate the legs 35 of assorted widths of a wicket 33.
  • Stacked bags 27 are loaded onto thebagging apparatus and secured thereto by a wicket 33 of proper size to fit holes provided in the bag lower plies at the open end and to match the appropriate wicket socket pair in socket boss 29'.
  • Uninflated flat stacked bags 27 are disposed as shown on the bagging apparatus with open ends towards the aft end of the apparatus and closed ends towards the fore end, supported by the bagging platform 25.
  • Each bag has an upper ply 37 and a lower ply 39 and may be formed for instance from flattened plastic or the like tubing.
  • 'A bag style which is particularly suitable for use with the present invention is made by continual arcuate cutting across a flattened extruded polyethylene or the present invention comprises a horizontal bearing element 43 extending transversly of the longitudinal axis of the stacked supply of bags 27, connecting to bag edge restraining elements 45 extending from respective ends of the horizontal bearing element and upwardly extending shoulder members 47 connecting the respective edge restraining elements 45 each to a wicket leg.
  • wicket illustrated is the subject of copending application Ser. No. 246,629, supra.
  • Otherstyles of wickets can be successfully adapted to use with the present invention, it being necessary only that the wicket design include upwardly extending shoulder members and bag edge restraining means in one form or another consistent with the criteria established herein in respect of the present invention.
  • the socalled outboard spanning shouldered wicket is most preferred, as will be appreciated from the ensuing discussion.
  • all of the wicket members and elements are connectedly and integrally formed from a single piece of suitably heavy gauge wire or rod stock, usually some kind of metal such as steel.
  • the flapper guide 57 is somewhat narrower, at least for part of its length, than the opening 59 in which it is disposed and defines slots 61 through which part-of the air stream flows upwardlytowards the underside of the upper ply 37 of the inflated topmost bag 49.
  • Flapper guide 57 also extends toward the force end of the apparatus beyond the nozzle end 51 sufficiently to intrude into the blown open topmost bag 49 when the machine is in operation to deflect the inflation air stream downward and maintain pressure onthe bag bottom. Flapper guide 57, as
  • the flapper guide 57 can oscillate pivotally on its mountings which may be for instance hinge bolt assemblies 63 as shown in FIGS. 4 and 5 drawings.
  • a stop 62 intruding into the duct 21 from one side 55 thereof is disposed beneath a side edge 58 of the flapper guide to limit the upward movement of the fore end of the flipper guide to a desired point within the inflated bag clear opening area.
  • a rigid frame 65 Fixedly attached to housing and surmounting platen 23 at one side thereof is a rigid frame 65 to provide for support and mounting of the bag filling guide attachment according to the present invention.
  • the frame 65 is made of heavy gauge sheet metal, stainless steel for example, formed to define a box member as viewed sectionally in FIG. 3 of the drawings, and having an extended side 65a to facilitate attachment to housing 15 by means of bolts 67 for example.
  • Further attachment means for mounting frame 65 on the housing 15 may also comprise bolts 67 as shown holding the bottom of the frame onto the platen 23.
  • An angle bracket 85 is attached in cantilever fashion atop frame 65 with suitable mounting means such,as bolts 87, with a vertical leg 850 depending as shown just off the longitudinal centerline of the apparatus.
  • the vertical leg 85a of bracket 85 is drilled to provide a bearing hole for a hanger assembly.
  • a suspension rod hanger assembly comprising a shaft 89, a sleeve bearing 91, and a rod holder 93 is pivotally mounted in the bearing hole in vertical leg 85a and held in place by a spring housing 87 secured to the end of shaft 89 with a set screw 110.
  • a suspension rod 99 is secured by means of threaded engagement in holder 93 and a lock nut 101, and the entire assembly is thus pivotally moveable in a vertical plane extending longitudinally centrally of the apparatus.
  • a coil spring 103 is disposed concentrically in spring housing 87, having an extension of one end coil held in a recess of the housing 87 rear wall and an extension of the other end coil engaged in a recess in the inside face of vertical leg 850.
  • Spring 103 is biased to maintain a rearward directed force on the suspension rod hanger assembly so that at rest the rod holder 93 is spring held against a stop 105 protruding from the outer face of vertical leg 85a of bracket 85.
  • a guide shoe 107 subtends and is attached to the lower end of suspension rod 99.
  • guide shoe 107 is affixed to its suspension rod so that when the rod is plumb relative to the apparatus, its foremost or leading edge is at an elevation lower than its aft or trailing edge so as to present a guie shoe undersurface contact area for the product being packaged.
  • a pair of protrusions 109 extend upwardly and outwardly from the oversurface of guide shoe 107 adjacent the leading edge thereof arranged one on each side of the connection point of the guide shoe to its suspension rod 99.
  • the bag filling guide attachment is mounted and secured to housing 15 as shown in the drawings and hereinbefore described.
  • Slotted mounting holes in bracket 85 may be provided to permit selective fore and aft adjustment of the guide shoe 107, its suspension rod 99 and the hanger components to accommodate various lengths of product to be packaged and, towards the same purpose, the height of the guide shoe relative to platen 23 may be selectively adjusted to suit product height.
  • the guide shoe 107 itself is contoured to approximate the upper surface shape of the product.
  • the product 20 shown is a generally circular cross section meat article, a bologna for instance, and the guide shoe is contoured to an inverted U-shaped semicircular or arcuate cross section and secured to suspension rod 99 so that its undersurface makes intimate contact with an upper surface portion of each article being packaged.
  • the packaging machine shown is bag-loaded by rotating housing 15 upward and back on its trunnions 17 to make the wicket socket boss 29 accessible, wicketed stacked bags 27 are placed on bagging platform 25 with wicket legs 35 in place in the wicket sockets 31 and the housing is rotated back down to its operating position with a pressure foot 52 projecting downward from duct bottom panel 53 at the nozzle end 51 of air duct 21 bearing upon the horizontal bearing element 43 of wicket 33, thus holding the stacked wicketed bags in place.
  • the guide shoe 107 swings further forward in an arc from the second or intermediateposi'tion towards and into a final or third position, its leading edge progresses upward and its trailing edge follows arcuately, so that at or near the end of the movement to its third or final position, it assumes a substantially horizontal attitude, with the inflated bag held between the wicket legs and the guide shoe now under ultimate stretched expansion, at which point the product 20 is pushed all the way into the inflated topmost bag 49 against the closed end or bottom thereof with, if desired, sufficient force to tear the bag loose of the wicket shoulder members 47, shearing through the bag lower ply from holes 41 to the bag open edge, Alternatively the product filled bag may be grasped by the packaging operator, and torn from the wicket.
  • the now bagged product is advanced-to the next step, whatever it may be, in the packaging oeration.
  • the coil spring 103 will automatically return the guide shoe, its suspension rod, and
  • the product 20 moves forward into the inflated topmost bag 49 sliding on the upper surface of the flapper guide 57 which extends or intrudes at its force end slightly into the bag thus acting in conjunction with the guide shoe 107 to facilitate entry of the product into the close fitting bag in a sort of double shoehom fashion.
  • FIG. 9 of the drawings illustrates the clear opening area phenomenon discussed hereinbefore.
  • AREA W shown shaded, represents the extent to which maximum attainable clear opening area is obstructed by the shoulders 47 and upper ends of wickets legs 35 connecting to the shoulders of a given wicket 33 being used.
  • the unshaded portion of the opening in each bag shown is the clear opening area. That the given wicket 33 obstructs maximum attainable clear opening area to a greater extent with small bags than with large bags is evident from a comparison of the BAG X by BAG Y shapes illustrated. In the case of BAG'X, the larger bag, the maximum clear opening area attainable is dimin ished by approximately 15 percent while in the case of BAG Y, the smaller bag, the diminution of maximum attainable clear opening area is approximately 40 percent.
  • a guide shoe having an undersurface and an over surface both contoured generally to conform to the upper surface of an article being packaged, and having a leading edge and a trailing edge;
  • a guide shoe suspension rod having an upper end, and a lower end connecting to the oversurface of the guide shoe in a manner to dispose the leading edge of the guide shoe'at an elevation lower than the trailing edge thereof when said suspension rod is vertically pendant;
  • hanger means connected to the suspension rod adjacent the upper end thereof, horizontally pivoted to swing in a vertical plane extending longitudinally centrally of the stacked supply of bags from an ini-- tial position in which the suspension rod is substantially vertical and the leading edge of the guide shoe is out of engagement with a blown' open bag atop the stacked supply of bags, towards and into. a final position in which the lower end of the suspension rod has progressed through an upward arcuate locus, the leading edge oversurface of the guide shoe is in engaement with the underside of the upper ply of said'blown open bag, and said blown open bag is held in stretched expansion between the guide shoe and the wicket sholders; resilient means biasing the hanger means against movement from said initial position towards said I final position;
  • adjustable holding means comprises a threaded sleeve and a clamping nut threadedly engaged with threads on the upper end of the guide shoe suspension rod.
  • An apparatus improvement according to claim 1 wherein the resilient means biasing the hanger means against movement from'said initial position towards said final position comprises a coil spring coaxially mounted on a rotatable shaft attached to said hanger means, said shaft being that upon which the hanger means is mounted.
  • An apparatus improvement according to claim 1 comprising two protrusions affixed to and extending upwardly and outwardly from the oversurface of the guide shoe adjacent the leading edge thereof, arranged one on each side of the connection point of the guide shoe to the guide shoe suspension rod, disposed to engage the open edge of the upper ply of the blown open bag at two contact points and to advance the lower ply of said bag from under the horizontal center portion of the wicket in the course of the movement of the hanger means from said initial position towards said final position.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Container Filling Or Packaging Operations (AREA)
US00295949A 1972-10-10 1972-10-10 Close fitting article packaging system Expired - Lifetime US3783580A (en)

Applications Claiming Priority (1)

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US29594972A 1972-10-10 1972-10-10

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US3783580A true US3783580A (en) 1974-01-08

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US (1) US3783580A (nl)
JP (1) JPS5236477B2 (nl)
AR (1) AR196283A1 (nl)
AU (1) AU475948B2 (nl)
BE (1) BE805845A (nl)
BR (1) BR7307829D0 (nl)
CA (1) CA1000247A (nl)
CH (1) CH585123A5 (nl)
DE (1) DE2350590A1 (nl)
FR (1) FR2202006B1 (nl)
GB (1) GB1446561A (nl)
IT (1) IT996799B (nl)
NL (1) NL173376C (nl)
SE (1) SE404784B (nl)

Cited By (23)

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Publication number Priority date Publication date Assignee Title
US4202153A (en) * 1977-10-25 1980-05-13 Automated Packaging Systems, Inc. Method and apparatus for loading containers horizontally
US4250694A (en) * 1979-06-06 1981-02-17 Tzur Rochman Arrangement for opening plastic bags in automatic packaging machines
US4519504A (en) * 1982-12-29 1985-05-28 Union Carbide Corporation Wicket bag packet
US4541226A (en) * 1982-12-29 1985-09-17 Union Carbide Corporation Packaging method and apparatus
US4635295A (en) * 1984-09-18 1987-01-06 W. R. Grace & Co., Cryovac Div. Taped bag with extended side seals
US4671048A (en) * 1986-06-09 1987-06-09 Automated Machinery Systems, Inc. High speed, low vibration bread bagger
US5526631A (en) * 1992-12-22 1996-06-18 Kabushiki Kaisha Muraharu Seisakusho Storage device for umbrella sacks
US5551219A (en) * 1995-10-24 1996-09-03 Wei; Yao-Ming Package bag expanding device
FR2732573A1 (fr) * 1995-04-04 1996-10-11 Daito Sound Co Ltd Dispositif d'ensachage de parapluies
US5655352A (en) * 1992-12-22 1997-08-12 Kabushiki Kaisha Muraharu Seisakusho Storage device for wrapping (shopping) bags
US5810706A (en) * 1995-08-31 1998-09-22 W. R. Grace & Co.-Conn. bag with an access hole in one panel
US6588666B1 (en) * 2001-12-18 2003-07-08 Alfred D. Sacchetti Apparatus for opening and dispensing plastic bags
US20090241474A1 (en) * 2008-03-03 2009-10-01 Actis Bradley P Bagging assembly
NL1036761C2 (nl) * 2009-03-24 2010-09-27 Greefs Wagen Carrosserie Vulinrichting en werkwijze voor het vullen van een houder met producten.
US20100247722A1 (en) * 2005-06-30 2010-09-30 John Luchansky Method and Apparatus for Treatment of Food Products
EP2388199A1 (fr) * 2010-05-19 2011-11-23 Materiel Barrois Emballages - MBE, Sarl Procédé et machine pour ensacher des objets de forme allongée
US20130067870A1 (en) * 2008-03-03 2013-03-21 H.W.J Designs For Agribusiness, Inc. Bag retrieval assembly and bag for pressed bales
US20140096492A1 (en) * 2011-07-11 2014-04-10 Boewe Systec Gmbh Device and method for opening a cover
US20150183535A1 (en) * 2013-06-06 2015-07-02 Momentum Machines Company Bagging system and method
US20170233119A1 (en) * 2016-01-04 2017-08-17 Roland Lomerson, Jr. Quad Wicket Exchange System
CN112092454A (zh) * 2020-09-21 2020-12-18 盐城工学院 一种高效防泄漏双层吨袋贴合充气装置
CN112478253A (zh) * 2020-12-10 2021-03-12 江苏南高智能装备创新中心有限公司 一种球形水果的气柱袋包装机
CN115339671A (zh) * 2022-08-17 2022-11-15 合肥永匠自动化科技有限公司 一种柔性机器人全自动包装机

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AU551350B2 (en) * 1981-12-18 1986-04-24 Kureha Kagaku Kogyo K.K. Bag opener
JPS63116500U (nl) * 1987-01-22 1988-07-27
CA2436442C (en) 2002-08-26 2006-07-11 Furukawa Mfg. Co., Ltd. Packaging system
JP4389006B2 (ja) 2003-08-01 2009-12-24 株式会社古川製作所 ロータリ真空包装機への被包装物搬入装置
TW201111231A (en) * 2009-09-15 2011-04-01 Gunze Kk Flexible object insertion apparatus, and flexible object bagging apparatus
US11246451B2 (en) 2015-10-12 2022-02-15 Weber-Stephen Products Llc Burner tube for gas grill

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US3491514A (en) * 1965-10-19 1970-01-27 Burford Co Intern Inc Bread loaf sacking equipment
US3508379A (en) * 1968-08-05 1970-04-28 Formo Alvin C Bagging machine
US3590553A (en) * 1968-08-01 1971-07-06 Formost Packaging Machines Inc Refill bag pack inserting mechanism for automatic baggers
US3715857A (en) * 1971-09-08 1973-02-13 Abels Bagels Inc Bagel bagging machine

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DE1761426A1 (de) * 1968-05-18 1971-06-09 Optima Maschinenfabrik Inhaber Vorrichtung zum selbsttaetigen Anpassen des OEffnungsquerschnitts von Beuteln an unterschiedliche Brotquerschnitte
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Publication number Priority date Publication date Assignee Title
US3491514A (en) * 1965-10-19 1970-01-27 Burford Co Intern Inc Bread loaf sacking equipment
US3590553A (en) * 1968-08-01 1971-07-06 Formost Packaging Machines Inc Refill bag pack inserting mechanism for automatic baggers
US3508379A (en) * 1968-08-05 1970-04-28 Formo Alvin C Bagging machine
US3715857A (en) * 1971-09-08 1973-02-13 Abels Bagels Inc Bagel bagging machine

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4202153A (en) * 1977-10-25 1980-05-13 Automated Packaging Systems, Inc. Method and apparatus for loading containers horizontally
US4250694A (en) * 1979-06-06 1981-02-17 Tzur Rochman Arrangement for opening plastic bags in automatic packaging machines
US4519504A (en) * 1982-12-29 1985-05-28 Union Carbide Corporation Wicket bag packet
US4541226A (en) * 1982-12-29 1985-09-17 Union Carbide Corporation Packaging method and apparatus
US4635295A (en) * 1984-09-18 1987-01-06 W. R. Grace & Co., Cryovac Div. Taped bag with extended side seals
US4671048A (en) * 1986-06-09 1987-06-09 Automated Machinery Systems, Inc. High speed, low vibration bread bagger
US5526631A (en) * 1992-12-22 1996-06-18 Kabushiki Kaisha Muraharu Seisakusho Storage device for umbrella sacks
US5655352A (en) * 1992-12-22 1997-08-12 Kabushiki Kaisha Muraharu Seisakusho Storage device for wrapping (shopping) bags
FR2732573A1 (fr) * 1995-04-04 1996-10-11 Daito Sound Co Ltd Dispositif d'ensachage de parapluies
US5657619A (en) * 1995-04-04 1997-08-19 Daito Sound Co., Ltd. Umbrella sack fitting device
US5810706A (en) * 1995-08-31 1998-09-22 W. R. Grace & Co.-Conn. bag with an access hole in one panel
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Also Published As

Publication number Publication date
JPS4972082A (nl) 1974-07-11
FR2202006A1 (nl) 1974-05-03
FR2202006B1 (nl) 1976-06-18
AR196283A1 (es) 1973-12-10
DE2350590A1 (de) 1974-04-25
BR7307829D0 (pt) 1974-07-25
SE404784B (sv) 1978-10-30
BE805845A (fr) 1974-04-09
IT996799B (it) 1975-12-10
CA1000247A (en) 1976-11-23
GB1446561A (en) 1976-08-18
JPS5236477B2 (nl) 1977-09-16
NL173376C (nl) 1984-01-16
CH585123A5 (nl) 1977-02-28
NL173376B (nl) 1983-08-16
AU475948B2 (en) 1976-09-09
NL7313879A (nl) 1974-04-16
AU6115373A (en) 1975-04-10

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