EP1155961A2 - Machine à formats multiples pour emballer des produits - Google Patents

Machine à formats multiples pour emballer des produits Download PDF

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Publication number
EP1155961A2
EP1155961A2 EP01830303A EP01830303A EP1155961A2 EP 1155961 A2 EP1155961 A2 EP 1155961A2 EP 01830303 A EP01830303 A EP 01830303A EP 01830303 A EP01830303 A EP 01830303A EP 1155961 A2 EP1155961 A2 EP 1155961A2
Authority
EP
European Patent Office
Prior art keywords
wrapping
sealing means
machine
longitudinal edges
products
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.)
Granted
Application number
EP01830303A
Other languages
German (de)
English (en)
Other versions
EP1155961A3 (fr
EP1155961B1 (fr
Inventor
Catello Di Carlo
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.)
TMC SpA
Original Assignee
TMC 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 TMC SpA filed Critical TMC SpA
Publication of EP1155961A2 publication Critical patent/EP1155961A2/fr
Publication of EP1155961A3 publication Critical patent/EP1155961A3/fr
Application granted granted Critical
Publication of EP1155961B1 publication Critical patent/EP1155961B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/14—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
    • B65B25/146—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form packaging rolled-up articles
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • B65B9/067—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it the web advancing continuously

Definitions

  • the present invention relates to a multiple format machine for sacking individual or collectively grouped products, fed in succession in a tubular wrapping of packing film, particularly for packaging products in rolls.
  • sacking machines In the packaging of numerous types of products, such as paper rolls for home or hygienic use, sacking machines are used which sack the rolls, or their sets, in tubular wrappings constructed automatically by the machine itself on the products to be packaged.
  • the machine provides for forming the wrapping starting from a planar strip of packing material which, by means of particular folder elements, is progressive folded back onto itself in such a way as to generate a tubular shape, sustained from the interior of the wrapping being formed by suitable support elements and having longitudinal edges that are mutually approached and superposed.
  • Sealing means positioned anteriorly to the wrapping and oriented transversely to the tubular shape allow to seal the wrapping, transversely, in such a way as to form, in sequence, a closed front end and a rear end thereof. Additional sealing means, oriented longitudinally to the wrapping and opposite to the longitudinal edges, lastly close the tubular wrapping also laterally and longitudinally.
  • transverse sealing means closes the wrapping posteriorly to the sacked products; whereupon cutting means separate the sack from the rest of the wrapping, thereby starting a new and successive product sacking cycle.
  • the serial introduction of the products into the tubular wrapping determines, in the air contained between the lateral walls of the wrapping and the closed end of the wrapping or between the lateral walls and two successive products, a back pressure that opposes the advance of the products that are successively introduced into the wrapping.
  • This air although it is not contained in air tight chambers, takes a certain amount of time to vent out, blowing by, from the space in which it remains confined: which entails the need not to have an excessively high speed of introduction of the products into the wrapping in order to avoid the risk of separating the already superposed parts of the longitudinal edges of the wrapping which have not yet reached the area of operation of the longitudinal sealing means.
  • a known constructive solution provides for the use of air aspirating means comprising a vacuum generating system connected with means for capturing the air associated to the support elements of the wrapping being formed.
  • this position is selected in relation to the width of the largest format of the products that can be packaged by the machine. Due to a merely geometric question, connected to the shape of the folding means that allow to wrap the planar strip of packing film onto itself, as the width of the package format decreases, the length of the segment in which the longitudinal edges are superposed grows proportionately starting from the position in which the longitudinal sealing means are located, i.e. in which the longitudinal edges are mutually interconnected.
  • the aim of the present invention is to overcome such drawbacks by means of a multiple format sacking machine wherein productive yield is wholly independent from the dimensions of the packaging format being processed.
  • this aim is achieved by a multiple format machine according to the preamble to claim 1 wherein the sealing means of the longitudinal edges of the wrapping are movable in translation longitudinally to the wrapping itself in order to effect the longitudinal sealing of the edges at a selectively variable distance from the transverse seal of the wrapping.
  • the machine constantly operates under conditions of maximum productivity regardless of the packaging format undergoing work.
  • the reference number 1 globally indicates a multiple format sacking machine for sacking products 2, individual or collectively grouped, fed in succession in a tubular wrapping of packing film; products 2 which in particular are represented by paper roll for home or hygienic use, some indicative and non limiting examples of packaging formats whereof are shown in Figures 1 through 4.
  • the wrapping 3 is obtained, in wholly known fashion - as partially exemplified in Figure 5, starting from a planar strip of packing film which is subjected, in the machine 1, to a series of folding operations able to allow the achievement of tubular shape, with quadrangular contour having superposed, open longitudinal edges 4, 5; shape which is then closed by means of seals 6, 7 respectively transverse and longitudinal to the wrapping 3.
  • the seals 6, oriented transversely to the tubular shape, serve the purpose of closing and forming corresponding front and rear ends 8 of the wrapping 3 containing the products 2 or their sets grouped collectively.
  • the longitudinal seal 7 serves the purpose of indissolubly connecting the longitudinal edge 4, 5 of the wrapping 3.
  • the front transverse seal 6 of the wrapping is executed first; then follows the longitudinal seal 7 which is executed progressively as the wrapping 3 advances along the machine 1; and last is executed the transverse rear seal 6 of the wrapping 3.
  • the seals 6, 7 are effected by known sealing means 13, 9.
  • the sealing means 13 provided for forming the transverse seals 6 of the wrapping 3 are shown very schematically in Figure 6; they are identified with the reference number 13 and are so designed as to integrate in their structure cutting means, also conventional, able to separate, after the execution of the transverse seals 6, successive segments of wrapping 3 containing the groups of products 2, as these are formed, from the remaining rear part of the wrapping 3 which is formed continuously.
  • the sealing means 9 provided for effecting the longitudinal seals 7 of the edges have known structure and functionality and are movable in translation longitudinally to the wrapping 3 in order to effect the longitudinal seal 7 of the edges 4, 5, positioning themselves at a selectively variable distance from the transverse seal 6 of the wrapping 3, distance which is a function of the various packaging formats desired for the products 2 and which more specifically is selected in relation to the width of the formats, indicated as A in Figures 3 and 5.
  • the sealing means 9 can be positioned superiorly to the longitudinal edges 4, 5 of the wrapping 3 in an adjustment range delimited by two limit positions.
  • the other limit position, corresponding instead to the maximum distance (dmax) from the sealing means 13 of the transverse seal 6, is determined instead by the smallest width format of the products to be packaged.
  • the possibility of adjusting the sealing means 9 derives from the fact that they are mounted in sliding condition on guides 10 sustained by a support structure 12 and opposing the longitudinal edges 4, 5 of the wrapping 3.
  • setting means able to allow selectively to vary the position of the sealing means 9 along the longitudinal edges 4 and 5 of the wrapping 3, according to the current package format.
  • the setting means can be embodied in numerous different ways and can, for instance, simply comprise a manually operated screw 15 for locking and unlocking the sealing means 9, integrated by a graduated line for measuring the displacements of the sealing means 9 along the guides 10; or they may assume different, more complex forms, motorised and possibly also controlled by a programme for the automatic setting of the sacking machine 1 as the production format varies.
  • Figures 6 and 7 show that it can be translated vertically, transversely to the guides 10, away or towards the longitudinal edges 4, 5 of the wrapping 3 to allow to adjust the distance of the sealing means 9 from the edges 4, 5 of the wrapping 3 containing the products 2.
EP01830303A 2000-05-15 2001-05-11 Machine à formats multiples pour emballer des produits Expired - Lifetime EP1155961B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2000BO000287A IT1321260B1 (it) 2000-05-15 2000-05-15 Macchina insaccatrice di prodotti, multiformato, perfezionata.
ITBO000287 2000-05-15

Publications (3)

Publication Number Publication Date
EP1155961A2 true EP1155961A2 (fr) 2001-11-21
EP1155961A3 EP1155961A3 (fr) 2003-07-16
EP1155961B1 EP1155961B1 (fr) 2008-09-03

Family

ID=11438481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01830303A Expired - Lifetime EP1155961B1 (fr) 2000-05-15 2001-05-11 Machine à formats multiples pour emballer des produits

Country Status (4)

Country Link
EP (1) EP1155961B1 (fr)
AT (1) ATE407061T1 (fr)
DE (1) DE60135603D1 (fr)
IT (1) IT1321260B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10843828B2 (en) 2019-01-22 2020-11-24 Paper Converting Maching Company Packaging method and line for improved finished product
US11225343B2 (en) 2019-01-22 2022-01-18 Paper Converting Maching Company Packaging method and line for improved finished product

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1067166A (en) * 1963-06-24 1967-05-03 Soag Machine Tools Ltd An apparatus for packaging articles in a package of a sealable material
US4141196A (en) * 1977-10-11 1979-02-27 Oliver Machinery Company Seal wrapping machine
FR2748723A1 (fr) * 1996-05-14 1997-11-21 Jaquier Claude Machine pour emballer des portions de produits dans un film de materiaux d'emballage, notamment dans un film transparent retractable

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1067166A (en) * 1963-06-24 1967-05-03 Soag Machine Tools Ltd An apparatus for packaging articles in a package of a sealable material
US4141196A (en) * 1977-10-11 1979-02-27 Oliver Machinery Company Seal wrapping machine
FR2748723A1 (fr) * 1996-05-14 1997-11-21 Jaquier Claude Machine pour emballer des portions de produits dans un film de materiaux d'emballage, notamment dans un film transparent retractable

Also Published As

Publication number Publication date
ITBO20000287A1 (it) 2001-11-15
EP1155961A3 (fr) 2003-07-16
IT1321260B1 (it) 2004-01-08
ATE407061T1 (de) 2008-09-15
EP1155961B1 (fr) 2008-09-03
DE60135603D1 (de) 2008-10-16

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