US20110120903A1 - Method And Machine For Forming A Sealed Wrapping About An Article, And Package So Formed - Google Patents

Method And Machine For Forming A Sealed Wrapping About An Article, And Package So Formed Download PDF

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Publication number
US20110120903A1
US20110120903A1 US12/989,133 US98913309A US2011120903A1 US 20110120903 A1 US20110120903 A1 US 20110120903A1 US 98913309 A US98913309 A US 98913309A US 2011120903 A1 US2011120903 A1 US 2011120903A1
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US
United States
Prior art keywords
end portion
sealing
article
wrapping
folding
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US12/989,133
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English (en)
Inventor
Daniele Civolani
Massimo Carrara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Azionaria Costruzioni Macchine Automatiche ACMA SpA
Original Assignee
Azionaria Costruzioni Macchine Automatiche ACMA SpA
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 Azionaria Costruzioni Macchine Automatiche ACMA SpA filed Critical Azionaria Costruzioni Macchine Automatiche ACMA SpA
Assigned to AZIONARIA COSTRUZIONI MACCHINE AUTOMATICHE A.C.M.A. S.P.A. reassignment AZIONARIA COSTRUZIONI MACCHINE AUTOMATICHE A.C.M.A. S.P.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CARRARA, MARCO, CIVOLANI, DANIELE
Publication of US20110120903A1 publication Critical patent/US20110120903A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/38—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a combination of straight and curved paths
    • B65B11/40—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a combination of straight and curved paths to fold the wrappers in tubular form about contents
    • B65B11/42—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a combination of straight and curved paths to fold the wrappers in tubular form about contents and then to form closing folds of similar form at opposite ends of the tube
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members

Definitions

  • a sealed wrapping is formed about an article using a wrapping unit, which is fed with a succession of articles for wrapping, and with a continuous strip of normally airtight, heat-seal wrapping material.
  • the sealed wrappings about the respective articles are normally formed by sealing the free longitudinal edges of the strip to define a tubular wrapping about the articles; transversely sealing the tubular wrapping at the ends of each article to form a respective “pillow pack”; and then separating the individual sealed wrappings.
  • FIG. 1 shows a schematic side view, with parts removed for clarity, of a machine in accordance with the present invention
  • FIGS. 2 to 7 show successive steps in a method of forming a wrapping about an article in accordance with the present invention
  • FIG. 9 shows a schematic front view of parts of the FIG. 1 machine in two different operating positions (indicated by a dash line and a continuous line);
  • FIG. 11 shows a schematic side view of parts of the FIG. 1 machine
  • FIGS. 12 to 15 show schematically, with parts removed for clarity, a number of steps in forming the wrapping at part of the FIG. 1 machine;
  • FIG. 16 shows the FIG. 13 step from a different perspective
  • FIG. 17 shows a larger-scale portion of FIG. 1 .
  • Number 1 in FIG. 1 indicates as a whole a machine for forming a sealed wrapping 2 about a substantially parallelepiped-shaped article 3 .
  • article 3 comprises two opposite end walls 4 (only one shown in FIG. 2 ); two opposite major lateral walls 5 (only one shown in FIG. 2 ) crosswise (in particular, perpendicular) to end walls 4 ; and two opposite minor lateral walls 6 crosswise (in particular, perpendicular) to end walls 4 and major lateral walls 5 .
  • the wrapping 2 formed about article 3 substantially adheres to article 3 , and comprises two major lateral portions 8 ; two minor lateral portions 9 crosswise to major lateral portions 8 ; and two end portions 10 crosswise to major lateral portions 8 and minor lateral portions 9 .
  • Wrapping 2 is sealed hermetically about article 3 along three sides by means of respective seals: one at a major lateral portion 8 , and the other two at respective end portions 10 .
  • Wrapping 2 and article 3 together define a package that may either undergo further processing or be retailed as it is.
  • major lateral portions 8 have a larger surface area than minor lateral portions 9 . In variations not shown, major lateral portions 8 have substantially the same surface area as minor lateral portions 9 .
  • machine 1 comprises a conveyor 11 for feeding article 3 to a folding device 12 comprising a push unit 13 and a wrapping wheel 14 .
  • Wrapping wheel 14 rotates in steps about an axis 15 perpendicular to the FIG. 1 plane, and comprises a number of pockets 16 equally spaced about axis 15 , and each for receiving a respective article 3 at a loading station 17 , and conveying article 3 along a semicircular portion of path P to an unloading station 17 ′.
  • Push unit 13 feeds article 3 in a direction A crosswise (in particular, perpendicular) to axis 15 , so article 3 engages sheet 7 and is inserted together with sheet 7 inside respective pocket 16 .
  • sheet 7 is folded into a U, so that two pairs of flaps 18 , at opposite ends of article 3 , and a pair of flaps 19 , 19 ′ of sheet 7 project from the free sides of article 3 .
  • the flaps 18 , 19 and 19 ′ in each pair face each other and are substantially parallel ( FIG. 2 ). Flaps 18 project, parallel to axis 15 , from respective end walls 4 of article 3 ; flaps 19 and 19 ′ project, crosswise to axis 15 , from a minor lateral wall 6 ; and flap 19 is wider than flap 19 ′.
  • Machine 1 ( FIGS. 1 and 17 ) also comprises a sealing device 20 for superimposing and sealing flaps 19 and 19 ′ to form a substantially tubular partial wrapping 21 having two open ends 22 , and a sealing flap 23 projecting outwards crosswise to partial wrapping 21 ( FIG. 3 ).
  • Partial wrapping 21 comprises major and minor lateral portions 8 and 9 , which are connected to one another by respective lateral edges 24 ; and sealing flap 23 projects outwards from, and extends along, a respective lateral edge 24 .
  • Sealing device 20 ( FIGS. 1 and 17 ) comprises a substantially fixed member 25 at loading station 17 ; and a member 26 which is movable, in a direction crosswise to direction A, between an open position (shown by the continuous line in FIG. 17 ) and a closed position (shown by the dash line in FIG. 17 ).
  • At least one of members 25 , 26 is a heat-seal member (i.e. for transferring heat to sheet 7 to seal flaps 19 and 19 ′).
  • both members 25 , 26 are heat-seal members.
  • member 26 In actual use, when inserting article 3 inside pocket 16 , member 26 is in the open position; and once article 3 is inside pocket 16 , member 26 is moved towards member 25 to fold flap 19 onto flap 19 ′, so flaps 19 and 19 ′ are gripped between members 25 and 26 .
  • Sealing device 20 also comprises a heat-seal member 27 , downstream from loading station 17 and upstream from unloading station 17 ′, for preferably fluidtight sealing flaps 19 and 19 ′ to each other to form sealing flap 23 .
  • member 27 oscillates about a respective axis (not shown) substantially parallel to axis 15 , to contact flaps 19 and 19 ′ when wheel 14 is stationary.
  • machine 1 comprises a number of members 27 arranged successively between loading station 17 and unloading station 17 ′.
  • neither of members 25 , 26 is a heat-seal member, and flaps 19 , 19 ′ are sealed to each other by member/s 27 .
  • Machine 1 also comprises a folding device 28 for folding sealing flap 23 onto a major lateral portion 8 .
  • Folding device 28 comprises a known fixed plate (not shown) located along the periphery of wheel 14 to fold sealing flap 23 crosswise (in particular, perpendicularly) to respective major lateral portion 8 ; and a pusher 29 to feed article 3 in a substantially radial direction with respect to axis 15 , so sealing flap 23 is folded onto respective major lateral portion 8 by contrast with a fixed folding member 30 .
  • Pusher 29 is located at unloading station 17 ; and folding device 28 also comprises a heating head 31 located at a stabilizing station 32 along path P, and which is movable crosswise to path P to engage and stabilize sealing flap 23 on major lateral portion 8 .
  • Machine 1 also comprises a conveyor 33 for feeding article 3 in direction A along a substantially straight portion of path P from stabilizing station 32 ; through a closing station 34 where open ends 22 of partial wrapping 21 are closed to form sealing flaps 35 ; to a folding station 36 where sealing flaps 35 are folded.
  • a retractor 38 deforms a respective open end 22 of partial wrapping 21 to form two facing flaps, and a sealing device 39 grips and preferably fluidtight seals the facing flaps to form respective closed end portion 10 and relative sealing flap 35 , which projects from and defines a seal of end portion 10 .
  • Retractor 38 comprises two arms 40 movable between a closed rest position (shown by the dash line in FIG. 8 ), and an open taut position (shown by the continuous line in FIG. 8 ).
  • Sealing device 39 comprises a gripper unit in turn comprising two heat-seal jaws 41 movable between an open rest position (shown by the dash line in FIG. 8 ), and a closed sealing position (shown by the continuous line in FIG. 8 ).
  • machine 1 also comprises a folding device 42 at folding station 36 , to fold sealing flaps 35 onto respective end portions 10 .
  • Folding device 42 comprises a conveyor 43 for feeding article 3 along a substantially straight portion of path P; and two substantially fixed plates 44 (only one shown) located on opposite sides of path P to fold sealing flaps 35 onto respective end portions 10 (as shown particularly in FIGS. 12 , 13 and 16 ).
  • conveyor 43 comprises an elevator 45 for moving article 3 crosswise to major lateral portions 8 in a direction, in particular a substantially vertical direction, crosswise to direction A.
  • sealing flaps 35 are of such a length that, once folded, each extends up to a respective edge 24 ′ connecting respective end portion 10 to a major lateral portion 8 (as shown particularly in FIGS. 6 and 7 ). In variations not shown, sealing flaps 35 are shorter and fall short of respective edges 24 ′.
  • each of sealing flaps 35 comprises two tabs 46 projecting from opposite sides of respective end portion 10 .
  • Folding device 42 also comprises four flip-over rails 47 , each designed so that each tab, as it slides along respective rail 47 , is folded roughly 180° onto respective end portion 10 (as shown particularly in the FIGS. 13 to 15 sequence).
  • each rail 47 comprises a first portion 48 for folding respective tab 46 roughly 90° into a position substantially perpendicular to respective end portion 10 ( FIG. 14 ); and a second portion 49 , after portion 48 , for folding tab 46 onto end portion 10 ( FIG. 15 ).
  • Machine 1 also comprises a conveyor 50 , downstream from folding device 42 , to feed article 3 , crosswise to minor lateral walls 6 , along a substantially straight, horizontal portion of path P from folding station 36 to an output station 51 .
  • Two known heating plates are located on opposite sides of the conveyor to stabilize sealing flaps 35 and tabs 46 on respective end portions 10 .
  • retractors 38 deform open ends 22 ; sealing devices 39 form end portions 10 and sealing flaps 35 ; and conveyor 33 feeds article 3 to folding device 42 .
  • conveyor 50 feeds article 3 between two known heating plates (not shown) to stabilize sealing flaps 35 and tabs 46 on respective end portions 10 and so obtain package 2 .
  • sealing flap 23 on major lateral portion 8 provides for particularly good sealing of open ends 22 . If sealing flap 23 were to be located on one of minor lateral portions 9 , deformation by retractor 38 and sealing by sealing device 39 would be more problematic, on account of the greater thickness of the wrapping material involved, and there would be more risk of sealing flap 23 becoming detached from respective minor lateral portion 9 (especially when deforming open ends 22 ).
  • rails 47 for folding tabs 46 roughly 180° are particularly advantageous in terms of faster production and compactness.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Closing Of Containers (AREA)
US12/989,133 2008-04-23 2009-04-21 Method And Machine For Forming A Sealed Wrapping About An Article, And Package So Formed Abandoned US20110120903A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITBO2008A000254 2008-04-23
IT000254A ITBO20080254A1 (it) 2008-04-23 2008-04-23 Metodo e macchina per la realizzazione di un involucro sigillato attorno ad un articolo e confezione cosi ottenuta.
PCT/EP2009/054760 WO2009130227A1 (en) 2008-04-23 2009-04-21 Method and machine for forming a sealed wrapping about an article, and package so formed

Publications (1)

Publication Number Publication Date
US20110120903A1 true US20110120903A1 (en) 2011-05-26

Family

ID=40296668

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/989,133 Abandoned US20110120903A1 (en) 2008-04-23 2009-04-21 Method And Machine For Forming A Sealed Wrapping About An Article, And Package So Formed

Country Status (8)

Country Link
US (1) US20110120903A1 (de)
EP (1) EP2282943B1 (de)
CN (1) CN102066201A (de)
BR (1) BRPI0907323B1 (de)
ES (1) ES2776468T3 (de)
IT (1) ITBO20080254A1 (de)
RU (1) RU2493061C2 (de)
WO (1) WO2009130227A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140013715A1 (en) * 2011-03-23 2014-01-16 Robert Bosch Gmbh Method for packaging products, particularly portions of chocolate or the like, and facility for implementing the method
WO2015136510A3 (en) * 2014-03-14 2015-12-17 G.D Societa' Per Azioni Packing method and unit for producing a sealed inner package

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1394365B1 (it) * 2009-05-26 2012-06-15 Gd Spa Metodo e unità di incarto per ripiegare un foglio di incarto attorno ad un gruppo di sigarette.
DE102009060134A1 (de) 2009-12-09 2011-06-16 Focke & Co.(Gmbh & Co. Kg) Packungen insbesondere für Zigaretten sowie Verfahren und Vorrichtung zum Herstellen derselben
WO2013088412A2 (en) * 2011-12-15 2013-06-20 So.Te.Ma. Pack S.R.L. An apparatus for making a respective package.
ITBO20110719A1 (it) * 2011-12-15 2013-06-16 So Te Ma Pack S R L Dispositivo per realizzare una pinna trasversale estrema in un involucro di avvolgimento di un prodotto.
ITBO20110718A1 (it) * 2011-12-15 2013-06-16 So Te Ma Pack S R L Apparecchiatura per realizzare una rispettiva confezione.
ITBO20110717A1 (it) * 2011-12-15 2013-06-16 So Te Ma Pack S R L Dispositivo per realizzare una pinna longitudinale in un corrispondente involucro di avvolgimento di un prodotto.
RU2016140250A (ru) * 2014-03-14 2018-04-16 Г.Д Сочиета' Пер Ациони Упаковка, содержащая пачку табачных изделий и обертку, вмещающую пачку табачных изделий
IT201700093993A1 (it) 2017-08-17 2019-02-17 Gima Tt S P A Metodo per realizzare un incarto ermetico ed incarto ermetico cosi' realizzato

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US2374793A (en) * 1940-06-20 1945-05-01 Harry F Waters Method of fluid-tight packaging
US2966832A (en) * 1958-08-20 1961-01-03 Pneumatic Scale Corp Container forming machine
US3264115A (en) * 1962-07-10 1966-08-02 Harry E Davis Safety lollipop
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US7257936B2 (en) * 2003-02-25 2007-08-21 Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.P.A. Method and device for wrapping groups of stacked products in the manufacture of sealed packs
US7454886B2 (en) * 2002-04-18 2008-11-25 Cfs Weert B.V. Machine for packaging products

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ITBO20050392A1 (it) * 2005-06-08 2005-09-07 Azionaria Costruzioni Acma Spa Metodo e macchina per la realizzazione di un involucro sigillato attorno ad un prodotto ed involucro con il suddetto metodo

Patent Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2152323A (en) * 1937-03-18 1939-03-28 Humoco Corp Container
US2196666A (en) * 1938-11-21 1940-04-09 Humoco Corp Method and means of making containers
US2374793A (en) * 1940-06-20 1945-05-01 Harry F Waters Method of fluid-tight packaging
US2966832A (en) * 1958-08-20 1961-01-03 Pneumatic Scale Corp Container forming machine
US3264115A (en) * 1962-07-10 1966-08-02 Harry E Davis Safety lollipop
US3272152A (en) * 1963-08-30 1966-09-13 Shafter L Williams Apparatus for making and wrapping soft-center candy suckers
US3899865A (en) * 1973-10-03 1975-08-19 Haensel Otto Gmbh Wrapping apparatus
US4024692A (en) * 1976-02-18 1977-05-24 William E. Young Apparatus and method of packaging large items
US4617782A (en) * 1983-06-14 1986-10-21 G. D. Societa Per Azioni Method for wrapping batches of stacked products so as to form sealed packets
US5016421A (en) * 1989-05-24 1991-05-21 Ferrero S.P.A. Wrapping machine, particularly for sweets and similar food products
US5241807A (en) * 1992-02-26 1993-09-07 Quick Howard E Method and apparatus for wrapping lollipops and similar articles
US5450706A (en) * 1993-05-24 1995-09-19 Latini Machine Company, Inc. Single twist bunch wrapping machine
US5519981A (en) * 1993-09-06 1996-05-28 Tenchi Kikai Kabushiki Twist-wrapping machine
US5775063A (en) * 1995-10-31 1998-07-07 Fuji Machinery Co., Ltd. Process and apparatus for assembly-packaging pellet-like articles
US6226964B1 (en) * 1996-10-31 2001-05-08 B.L. Macchine Automatische S.P.A. Method for forming bags in plastic material and the bag thus produced
US20030192287A1 (en) * 2002-04-10 2003-10-16 Detail Machine Company Pillow pack wrapping technique and related apparatus
US7454886B2 (en) * 2002-04-18 2008-11-25 Cfs Weert B.V. Machine for packaging products
US6901725B2 (en) * 2002-04-23 2005-06-07 Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.P.A. Method and wrapping wheel for conditioning stacks of products
US7257936B2 (en) * 2003-02-25 2007-08-21 Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.P.A. Method and device for wrapping groups of stacked products in the manufacture of sealed packs

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140013715A1 (en) * 2011-03-23 2014-01-16 Robert Bosch Gmbh Method for packaging products, particularly portions of chocolate or the like, and facility for implementing the method
WO2015136510A3 (en) * 2014-03-14 2015-12-17 G.D Societa' Per Azioni Packing method and unit for producing a sealed inner package
JP2017512721A (ja) * 2014-03-14 2017-05-25 ジー．デー ソチエタ ペル アツィオニＧ．Ｄ Ｓｏｃｉｅｔａ Ｐｅｒ Ａｚｉｏｎｉ 密封内部パッケージを生産するための包装方法およびユニット

Also Published As

Publication number Publication date
RU2493061C2 (ru) 2013-09-20
ES2776468T3 (es) 2020-07-30
CN102066201A (zh) 2011-05-18
RU2010147647A (ru) 2012-05-27
BRPI0907323A2 (pt) 2016-07-26
EP2282943B1 (de) 2020-01-08
WO2009130227A1 (en) 2009-10-29
BRPI0907323B1 (pt) 2020-04-28
ITBO20080254A1 (it) 2009-10-24
EP2282943A1 (de) 2011-02-16

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AS Assignment

Owner name: AZIONARIA COSTRUZIONI MACCHINE AUTOMATICHE A.C.M.A

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CIVOLANI, DANIELE;CARRARA, MARCO;REEL/FRAME:025609/0993

Effective date: 20101213

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION