EP0578619B1 - Verfahren zum Verpacken von Bekleidungsartikeln, insbesondere Damenstrumpfhosen und Vorrichtung dazu - Google Patents

Verfahren zum Verpacken von Bekleidungsartikeln, insbesondere Damenstrumpfhosen und Vorrichtung dazu Download PDF

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Publication number
EP0578619B1
EP0578619B1 EP93830266A EP93830266A EP0578619B1 EP 0578619 B1 EP0578619 B1 EP 0578619B1 EP 93830266 A EP93830266 A EP 93830266A EP 93830266 A EP93830266 A EP 93830266A EP 0578619 B1 EP0578619 B1 EP 0578619B1
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EP
European Patent Office
Prior art keywords
clothing
articles
conveyor belts
cutting
succession
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.)
Expired - Lifetime
Application number
EP93830266A
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English (en)
French (fr)
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EP0578619A3 (en
EP0578619A2 (de
Inventor
Lauro Torricelli
Mario Selva
Ezio Buttieri
Arcangelo Buttieri
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.)
Imac Di Torricelli Lauro & C SNC
Original Assignee
Imac Di Torricelli Lauro & C SNC
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
Priority claimed from ITBO920256A external-priority patent/IT1257843B/it
Priority claimed from ITBO920255A external-priority patent/IT1257842B/it
Application filed by Imac Di Torricelli Lauro & C SNC filed Critical Imac Di Torricelli Lauro & C SNC
Publication of EP0578619A2 publication Critical patent/EP0578619A2/de
Publication of EP0578619A3 publication Critical patent/EP0578619A3/en
Application granted granted Critical
Publication of EP0578619B1 publication Critical patent/EP0578619B1/de
Anticipated expiration legal-status Critical
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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
    • B65B25/20—Packaging garments, e.g. socks, stockings, shirts

Definitions

  • the invention relates to a method for packing articles of clothing, in particular women's hose.
  • the prior art comprises clothes packing machines for particularly flexible articles such as women's hose, which function according to two principal methods (see US-A-4 543 768).
  • the first of these methods envisages the feeding of a continuous heat-weldable material already formed into an envelope to a packing station where the clothing, folded by apporpriate devices, is inserted into the respective envelopes.
  • the second method comprises the feeding of the single envelopes arranged one on top of another inside a vertical-axis hopper into a packing station.
  • products such as hose are packed in such a way that one of their sides, or at least a part it, is in view to show the colour, type etc. of the product and, naturally, the side in view must be aesthetically acceptable since the consumer will wish to see the exact nature of the product she may decide to buy.
  • Hose packaged with the machines employing the methods described above is often not correctly stretched since excessive tolerance between the hose itself and the respective wrapping envelope allows the hose to move about, losing the tension necessary to a desirable aesthetic effect.
  • the above machines also exhibit considerable limits of operative speed; limits which derive from the fact that the articles of hosiery to be folded are brought in succession to the said folding devices by a conveyor belt, which cannot have a high advancement speed primarily for two reasons: the first is that the hose resting on the belt could become incorrectly positioned due to excessive belt speed; the second is connected with the fact that the product is long and the personnel whose job it is to place the hose on the said conveyor must wait for one article to pass out of their working range before they can place another article on the belt.
  • a high work-rate is not possible.
  • the aim of the present invention is thus to obviate the above-mentioned drawbacks, and in particular to enable the packing of delicate products such as women's hose without having to allow excessive tolerance and without risks of work stoppage or damage to the products themselves.
  • a further aim of the present invention is to provide a method for packaging articles of clothing such as women's hose, and a machine to realise that method able to deliver a high production rate.
  • the invention solves the problem of providing a method for packing articles of clothing such as women's hose, comprising at least the following phases: feeding the said articles in alternate succession, previously folded and removed from first conveyor devices, to a first transfer station by means of two second conveyor devices; then transferring them alternately and in succession from the two conveyors by transfer means to a second transfer station, whence they are transferred by means of translators into respective container elements moving in step in front of the second transfer station and occupying a free space defined by a belt of wrapping material folded longitudinally at its half-line and mobile in step in the same advancement direction as that of the container elements.
  • first cutting-welding means at a first cutting and welding station arranged immediately upstream of a position which, during a pause phase, can be occupied by each said containing element, consequently obtaining, about each said article of clothing, a wrapping of substantially rectangular shape closed on three sides.
  • the said articles are then extracted in succession, with their relative wrappings, from the respective container elements, and the wrappings are arranged in succession on a further conveying device which takes them to a second cutting and welding station in order that a further welding and cutting operation can be effected at an open side of each of the wrappings, using second cutting and welding means having a line of action parallel to the advancement direction of the wrappings themselves on board the said further conveying device.
  • the said wrappings are then distanced from the said second cutting and welding station.
  • the invention further relates to a machine for realising the above-mentioned method.
  • a machine for packing articles of clothing in particular women's hose, is realised, characterised in that it comprises at least two second conveying devices to feed in alternate succession the said articles to a first transfer station, first transfer means to collect alternately and in succession the said articles from the second transport devices and lead them to a second transfer station, and first translating means for transfer in succession of the said articles from the second transfer station into respective container elements being part of the second transfer means, which pass in step in front of the second transfer station; at least a part of the said container elements being mobile in a space defined by a belt of wrapping material folded longitudinally at its half-line and mobile in step according to a direction which coincides with the advancement direction of the container elements themselves.
  • the invention is further characterised by the fact that it comprises first cutting and welding means to effect a transversal welding and cutting on said wrapping material strip at a first cutting and welding station arranged immediately upstream of a position which can be occupied, during the course of a pause phase, by each said containing element, with a consequent obtaining of a wrapping about each article of clothing of a substantially rectangular shape closed on three sides, extracting means to extract in succession the said articles of clothing and the relative wrapping from the respective container elements, a further conveying device to receive the said wrappings in succession and to bring them, also in succession to a second cutting and welding station, and second cutting and welding means to effect a further welding and cutting operation at the open side of each wrapper.
  • 1 denotes in its entirety a machine for packing articles 2 of clothing, for example women's hose, preferably folded in a known way about a rectangular sheet of cardboard 110 (see in particular figures 4, 5, 7, 8, 9 and 10).
  • the machine 1 comprises a frame constituted substantially by a base 3 superiorly equipped with a horizontally-developing plane 19.
  • the base 3 rotatably supports at a same level, two horizontal and parallel shafts 4, one of which is made to rotate intermittently by motorisation means of known type and not illustrated.
  • Each shaft 4 rigidly and coaxially supports a cogwheel 5 at each of its ends.
  • Ring chains, respectively 6 and 7, are wound about each pair of cogwheels 5 supported by the respective shafts 4.
  • 6 indicates the chain which in the drawings of figures 2 and 5 is arranged lower and thus further away from the plane 19 of the chain 7, which is in the same figures arranged superiorly and closer to the plane 19.
  • an upper branch 8 and a lower branch 8' can be identified, both developing horizontally.
  • the two chains are reciprocally connected to, or rather support, by means of brackets 9', a plurality of reciprocally equidistanced bars 9 (see figures 2 and 3) which develop horizontally and parallel to the axes of the shafts 4.
  • Each bar 9 supports, slidably according to a direction which is parallel and along the development direction of the bar 9 itself and externally to the rings defined by the chains 6 and 7, a slide 10 which bears, connected rigidly by a bracket 63, a containing organ or accompanying element 11 for the article of clothing 2.
  • the bars 9 are also connected at the opposite ends to respective runners 9a which slide along respective guides 9b arranged in a ring and developing parallel and laterally to each chain 6 and 7.
  • the runners 9a permit the bars 9 to advance stably and remain still in their transversal position to the advancement line, drawn by the chains 6 and 7, also when they are borne by the lower branch 8' of the chains 6 and 7.
  • Each container element 11, as illustrated in figures 4, 9, 10 and 11, exhibits in substance the shape of an envelope open on one side, and is essentially constituted by a steel or plastic sheet 12 exhibiting, according to a plan view, a substantially rectangular shape, and is shaped in such a way as to exhibit, if sectioned in any of its areas with a vertical plane normal to the axes of the shaft 4, a "C"-shape with its concavity turned according to the advancement direction F1 of the upper branches 8 of the chains 6 and 7.
  • the face 11a of the "C"-shaped containing element 11 turned towards the horizontal plane 19 has greater transversal dimensions but, for reasons which will be explained hereinbelow, its transversal dimension t is smaller that the transversal dimension T of the above-mentioned cardboard 110, which the articles 2 of clothing are wrapped around.
  • the container element 11, the chains 6 and 7 supporting and moving them, as well as all of the accessory organs such as for example the slide 10 and the bracket 63 shall be defined in their entirety as transfer means of the articles 2 of clothing, and will be denoted in the illustrations by 11'.
  • the base 3 rotatably supports two shafts 13 with horizontal axis, normal to the axis of the shafts 4, arranged within the course made by the bars 9 during their advancement movement when drawn by the chains 6 and 7, and in proximity to each pair of cogwheels 5 supported by a relative shaft 4.
  • Each of the shafts 13 is arranged close to a relative chain 6 and 7.
  • the shaft 13 arranged closer to the chain 7 is continuous, while the shaft closer to the chain 6 is constituted by two pieces, indicated also by 13.
  • Each shaft 13 bears a coaxially keyed cogwheel 14 at each of its two ends.
  • a positive drive belt 15 is wound about each reciprocally facing cogwheel 14 pair according to a parallel direction to the shafts 4 axes, equipped with intermittent advancement movement, together with the relative cogwheels 14, conferred by motor means 13' of known type and thus not described in detail, on the shaft 13 arranged in proximity to the chain 7. More precisely, the upper branch of the positive drive belt 15 arranged on the left in figure 2 and also visible in figure 2b, is made to advance in step in such a way that each of its points moves progressively towards the chain 7, according to arrow fa, while the upper branch of the other positive drive belt 15 is made to advance in step in the opposite direction, according to arrow fb. Obviously all of the movements, as will emerge better hereinbelow, are in phase.
  • each slide 10 inferiorly supports a vertical idle roller 16, by means of a bracket 10', while each positive drive belt 15 supports a plurality of movement organs constituted by blocks 17 reciprocally equidistanced and each equipped with a throat or housing 18 developing in a horizontal and parallel direction to the shafts 13 axis, as can also be seen in figure 2b.
  • the housing 18 exhibits dimensions such as to be able to receive, slidably and internally, and as will be better described hereinbelow, a roller 16, and thus constitutes a drawing means.
  • Each container element 11 thanks to the action of the positive drive belts 15 on the rollers 16, by means of the blocks 17 and in a way which will better emerge hereinbelow, is able to translate cyclically between a first position in which it is entirely disposed above the substantially rectangular surface described, on two sides in plan view by the chains 6 and 7, as illustrated in figures 2 and 3a with a continuous line in the latter, and a position in which it is superposed and adjacent to a horizontal plane 19 making up part of the base 3 and developing laterally to the chain 7 in a parallel direction to the advancement direction of the chains 6 and 7, as can be seen in figures 3, 3a and 2.
  • the movement of the positive drive belts 15, or container elements is also visible in figure 1, by following the arrows fc.
  • each container organ 11, together with its slide 10 and its idle roller 16 is driven on two distinct journeys during its movement operated by the chains 6 and 7 and throughthe bars 9.
  • the first of the journeys is defined by a couple of guides 80 which are arranged in proximity to the chain 6 and which are superiorly interrupted in a tract which is parallel to the upper branch 8 of the chains 6 and 7 and corresponds to the position of the movement means 15'.
  • the roller 16, running along the guides 80 obliges the slide 10 to move substantially above the chains 6.
  • the idle roller 16 inserts into the housing 18 and is pushed towards the plane 19 in the direction of arrow fa by the movement means 15'.
  • the slide 10 thus moves towards the plane 19 as can be seen by comparing figures 3 and 3a, and brings the container element 11 above the plane 19 as can be seen in figure 2.
  • the idle roller 16 runs on two other guides 70, obliging the container element 11 and slide 10 group to run along the other journey.
  • the container element 11 arrives with the slide 10 and the idle roller 16 in the vicinity of the other movement means 15', it enters the housing 18 of the corresponding blocks 17 and is displaced towards the chain 6 in the direction of arrow fb.
  • the base 3 supports, in proximity to the chain 7 and according to a parallel arrangement to the chain 7 itself, a substantial rectangular vertical wall 20.
  • This wall 20 is supported at a higher level than that of the upper branches of the chains 6 and 7 by uprights 55 and also at a higher level than a first transfer station 20' of the prefolded article 2, which will be dealt with in more detail in the following.
  • the first transfer station 20' is situated close to the lower edge of the wall 20, below which, between it and the above-mentioned container element 11', two side-by-side conveyor belts 21 and 22 terminate (see also figure 5), reciprocally distanced by a tract of length which is about the same as the step of the container element 11.
  • the conveyor belts 21 and 22 develop horizontally, and their transport direction is parallel to the shaft 4 axes, since their transport direction is such as to produce advancement towards the wall 20 and more precisely towards the station 20', of articles 2 supported on the upper branches of the conveyor belts 21 and 22.
  • the entrance portions of the conveyor belts 21 and 22 communicate with respective exit portions of two conveyor belts 101 and 102, respective aligned to the first conveyor belts 21 and 22 according to a horizontal direction F3, which entrance portions communicate with respective exit portions of two further conveyor belts 103 and 104, once more respectively aligned to the previous belts according to the horizontal direction F3, (see also figure 1).
  • a support structure 105 is arranged in front of the entrance portions of the conveyor belts 103 and 104, which structure 105 can slide in both senses, in a direction F2 which is normal to the transport direction of the conveyor belts 103 and 104 and coincides with direction F3, on the action of activating means 106 of known type denoted by a broken line in figure 7, and along a guide 120 which is part of the frame or base 3, through a couple of idler rollers 121.
  • the support structure 105 superiorly supports two conveyor belts 107 and 108 having the same transversal dimensions as the conveyor belts 103 and 104, which in turn are transversally sized and arranged reciprocally side-by-side in such a way that, for whatever position assumed by the support structure 105 due to the action of the activating means 106, one only of the two conveyor belts 107, 108 will be horizontally aligned with a corresponding conveyor belt 103, 104, while the other conveyor belt with be facing the interspace comprised between the same conveyor belts 103 and 104.
  • All of the said conveyor belts 101, 102, 103, 104, 107 and 108 are motorised in known ways by motor means (not illustrated) according to chronological sequence orders which will become clear hereinbelow.
  • a feeding device 109 (of known type) is located above each conveyor belt 101 and 102, which feeding device 109 feeds in sheets 110 of cardboard above the articles 2 of clothing which are longitudinally arranged and which are brought progressively on to the conveyor belts 101 and 102 themselves, as will become clearer hereinbelow.
  • a folding device 111 is located, of known type and represented schematically in the figures and is for example of the type described in Italian Patent Application 355A/90 of the same applicant, which winds each article 2 of clothing which is brought on the respective conveyor belts 101, 102 about the cardboard 110 sheet.
  • Each station where the placing occurs, by feeding means 109 of the said cardboard 110 stiffening sheets, will be denoted by reference number 110'.
  • the said wall 20 is provided, at a face turned towards the plane 19, with two cams each constituted by a shaped channel 23.
  • the two channels 23 are arranged more or less vertically aligned with the exit ends of respective conveyor belts 21 and 22, exhibit a substantially straight downwards-inclined movement and also inclined towards a zone of the wall 20 arranged between the conveyor belts 21 and 22.
  • the direction of the two channel 23 can clearly be seen in figure 4.
  • Each of the channels 23 is engaged by an idle roller 24 solid with its spindle 24a (see in particular figures 3 and 4) to a gripping and conveying element 25.
  • Each gripping and conveying element 25 (hereinafter known as first transfer means 25) is mobile in two senses indicated by the arrow F along the wall 20 and follow the journey defined by the relative shaped channel 23 in ways which will be described in more detail hereinbelow.
  • Each first transfer means 25 is freely slidable, by means of its own idle rollers 57, along relative vertical guides 58 which are part of a slider frame 56 supported by and mobile along the vertical wall 20, by means of two idle roller pairs 59 slidable on longitudinal guides 60 realised along the upper and lower horizontal edges of the vertical wall 20.
  • the first transfer means 25 also moves, in a way defined by the development of the channels 23.
  • each first transfer means 25 overlies a portion of the space existing, in plan view, between the two chains 6 and 7 (indicated in dotted lines) and essentially comprises two horizontal planes 27 and 28 able to be reciprocally approached and distanced by means of relative movement means 61 and with the help of special guides 62 which are part of the said first transfer means 25, as is clear from figures 3 and 4.
  • the planes 27 and 28 are thus mobile, as described above, between a raised position (indicated on the left of figure 4) in which the plane 27 of each first transfer means 25 is arranged in front of and aligned with the exit end of the relative conveyor belt 21 or 22 and slightly below the exit end itself, and a lowered position (indicated on the right of figure 4) defined also as the second transfer station 25', at which the said plane 27 is horizontally aligned with the internal lower surface of the container elements 11 borne by the upper branch of the chains 6 and 7 and which run just above the horizontal plane 19, as can also be seen in figure 3.
  • FIG 4 also the approaching movement of the planes 27 and 28 is shown, which happens in phase with the movement of all of the first transfer means 25 to permit, apart from a good grip on the prefolded articles 2, also the compacting of articles 2 during the transfer phase from the conveyor belts 21 or 22 to the release position, in which the plane 27 is horizontally aligned with the internal lower surface of the container element 11.
  • Figures 3, 3a and 5 particularly show that in the zone below the vertical wall 20 situated between the lower portions of the channels 23 and in proximity to the said second transfer station 25', and at a level which is substantially the same as that of the container element 11, a translating means is mobile in two directions parallel to the shaft 4 axis and activated by a linear activator 30 of known type.
  • the translating means is constituted by a pushing element 31 able to translate between a first, rest position, arranged on the opposite side of the wall 20 with respect to the chains 6 and 7 towards the conveyor belts 21 and 22 (see figure 3) and a second operative position at which it is substantially adjacent to the upper branch of the chain 7 and partially inserted into the initial tract of the container element 11, as shown by a broken line in figure 3a.
  • Figures 2 and 5 evidence a portion of the plane 19 comprised between the said movement means 15' and crossed by an opening 32 having a development which is parallel to that of the shaft 4 axes.
  • Cutting-welding means 33 of known type move vertically through the said opening 32 on the activating of activating means of known type and not illustrated, which cutting-welding means are able, as will be described in more detail hereinbelow, to perform a transversal cutting and welding operation of two strips of plastic film 52 running on the plane 19.
  • the upper cutting-welding means 33 are in figure 2 and the lower cutting-welding means 33' are in figures 5 and 7, schematically represented in all cases.
  • the zone of activity comprising the cutting-welding means 33 will be defined hereinafter as the first cutting-welding station, and will be denoted by 33'. In figure 4 it is indicated by a broken line.
  • the initial portions of the openings 35 are arranged along a terminal portion of the journey followed by the container element 11 which are, as previously mentioned, outside the space comprised, in plan view, between the chains 6 and 7 above the plane 19.
  • Pushing elements 36 extend upwards through the openings 35, which elements 36 are supported at a step which is constant and equal to that of the container element 11 by two conveyor belts 37 respectively arranged below the openings 35 themselves and are provided with advancement motion in step and equal to that of the chains 6 and 7 by motor means of known type and not illustrated.
  • the conveyor belts 37 consititute, in their entirety, a conveying device of compartmental type, which hereinafter will be denoted with number 37'.
  • Figure 2 shows a zone overlying the movement means 15', which is arranged downstream with reference to advancement direction F1 of the upper branches 8 of the chains 6 and 7, where a pushing device or extracting means 38 is arranged and is horizontally moved in the two directions along a line of action parallel to the shaft 4 axes, and which is able to penetrate, as will be clarified hereinafter, into a container element 11 which is stationary in front of the movement means 15' and above the compartmental conveyor 37'.
  • the cutting-welding device 34 operating at a station which hereinafter will be defined "second cutting-welding station" 34', is arranged on the plane 19 in a zone comprised between the conveyor belts 37 and the chain 7.
  • a presser-translator device 39 is situated between the said cutting-welding device 34 and the plane 19, as can be seen in figures 6a, 6b, 6c and 6d.
  • the presser-translator 39 comprises two lines of rollers 40 superposed one on another, in each of which the rollers 40 are keyed coaxially on a shaft 41 parallel to the shafts 13.
  • the shafts 41 are connected to motor means of known type 42 able to confer rotation in opposite directions, and are supported rotatably at adjacent ends of respective arms 43 being a part of respective two-arm levers 44.
  • the two-arm levers 44 exhibit a portion close to the ends of the said arms 43 which portion is pivoted on a pivot 45 with horizontal and parallel axis to the axes of the shafts 13, and are connected in a known way to activating means 46 of known type able to confer contemporaneous rotations in opposite directions of the two-arm levers 44 about the pivot 45 axis.
  • a cyclic shaft 47 which is part of the machine 1 and rotates continuously is able to activate in a known way and at predetermined moments the said motor means 42, as well as produce, through the said activating means 46, the reciprocal approaching of the roller 40 lines, and the second arm 48 of one of the two-arm levers 44 has its free end arranged in proximity to a sensor means constituted essentially by a switch-commutator 49 of known type and stopping, when activated, motor means 42 and causing the reciprocal distancing of the said roller 40 lines.
  • the second welding station constitutes also a multiplier of vertical movements of the rollers 40.
  • the cutting-welding device 34 comprises essentially two heated welding bars 50 which are horizontal and parallel to the pivot 45 axis, which bars 50 can be reciprocally neared or distanced by activating means 51, at determined instants which will be better specified hereinbelow, on the command of the said cyclic shaft 47, to weld and at the same time cut two sheets of the said plastic film which are superposed (see figure 6c).
  • An operator arranges, in succession and alternately, the articles 2 of clothing laid out in prefixed positions on the conveyor belts 107 and 108, and the conveyor belt 107 is activated first to bring the articles 2 on it to the conveyor belt 103, which then carries it towards the conveyor belt 101, in an arrangement whereby the article 2 exhibits a median portion arranged one the conveyor belt 101 and its end portions respectively arranged on the conveyor belts 21 and 103.
  • the feeding device 109 arranges a sheet of cardboard 110 on the median portion of the articles 2 of clothing in question, and the folding device 111 folds the opposite ends of the article 2 in a desired manner on the cardboard 110.
  • the support structure 105 has, in the meantime, been moved towards the right (figures 1 and 7), so as to assume the arrangement shown by the broken line in figure 1, and so as to arrange the conveyor belt 108 bearing an article 2 laid out in an aligned position with regard to the conveyor belt 104.
  • the conveyor belt 108 in the same way as the conveyor belt 107, brings an article of clothing 2 to the conveyor belt 104, with a successive passage of the article 2 on to the conveyor belt 102 where the overlying feeding device 109 and folding device 111 perform their operations in the same way as was previously described with reference to the articles 2 arranged on the conveyor belt 101.
  • the conveyor belts 21 and 22 bring, alternately and in succession, the respective folded articles 2 to the station 20', at which the first transfer means 25, in turn and following the action of the relative activating means, of known type and thus not illustrated, receive an article 2 and carry it in front of the pushing element 31.
  • a heat-weldable plastic film 52 is longitudinally folded at its half-point, and runs in contact with the upper surface of the plane 19, defining a space 54 between its folded leaves, which are kept adequately apart.
  • the container element 11 While the chains 6 and 7 advance in step, the container element 11, together with the slides 10, reaches the movement means 15' arranged upstream with reference to the advancement direction of the upper branches of the chains 6 and 7, making the first journey along which the rollers 16 run along the guides 80.
  • the container elements 11 Once the roller 16 has been introduced into the housing 18 of the block 17, the container elements 11 are gradually translated from an original position in which they are above the space comprised between the chains 6 and 7, up to a position in which they enter the said space 54 defined by the plastic film 52, during the course of an advancement step of the positive drive belt 15 in the direction of arrow fa and thanks to the engagement, as mentioned above, between the idle rollers 16 associated to the container element 11 and a housing 18 of a block 17 (see figures 3 and 3a).
  • the plastic film 52 is mobile in step in a direction F1 coninciding with the advancement direction of the container elements 11 since it is progressively drawn, as will become clearer hereinbelow, in step by a container element 11 downstream of which the two superposed halves of the plastic sheet 52a and 52b have been reciprocally and transversally welded by the cutting-welding means 33.
  • each container element 11 is brought immediately downstream of the cutting-welding means 33 which transversally weld and cut the plastic film 52 immediately upstream of the container element 11 arranged at the cutting amd welding station 33', thus originating a wrapper 53 of substantially rectangular shape, which has one open side turned towards the chains 6 and 7 and encloses a container element 11 and an article 2 of clothing (with relative cardbaoard sheet 110). It is extremely important at this point in the description to specify why the transversal dimension T of the sheet of cardboard 110 about which the article 2 of clothing is wound is greater than the lower face 11a of the said container element 11.
  • the cardboard 110 due to its elasticity, stretches and tensions the plastic film 52 which already constitutes a wrapper 53 without having been cut and welded on one side.
  • the wrapper 53 obtained is thus well tensioned, as can be seen in figure 11.
  • the wrapper 53 freed from the container element 11, is thus removed by two pushing elements 36, belonging to the conveying device 37', and is taken in front of the presser-translator 39, which is kept in a correct position by an overlying fixed guide element 39'of known type, equipped with an ider roller 39'' under which it effects sliding (figures 5 and 6) with its end portion still open and arranged between the two reciprocally distanced roller 40 lines, as can be seen in figures 6a and 6d.
  • the roller lines 40 are thus reciprocally brought side-by-side (see figure 6b) thank to the intervention of of the activating means 46 and are set in rotation by the motor means 42, with a consequent running of the wrapper 53 towards the cutting-welding device 34 in the direction of arrow F3.
  • the two roller 40 lines are thus reciprocally distanced and the fully-sealed wrapper 53 is distanced from the welding station 34' by means of the conveyor device 37'.
  • the complete wrapper 53 is of a substantially rectangular shape and is perfectly sealed. It has three consecutive sides 53' which have been heat-welded and a fourth side 53'' where the plastic film 52 constituting the wrapper 53 is folded. A sheet of cardboard 110, with an article 2 of clothing wound around it is inside each wrapper 53, with no free play.
  • the fact that the rollers 40, as illustrated in figure 6c during their recall from the wrapper 53 compress the article 2 serves to recuperate the space necessary for welding the film half 52 to 52' once the rollers 40 are distanced and the article 52 recovers its real mass. All of the preceding permits of obtaining a wrapper 53 which is completely stretched, as in figure 11.
  • the container element 11 is provided with (see figure 12) a further portion of the face 11a denoted in the figure by 64, which offers the possibility of being regulated transversally with respect to the face 11a itself through a slot 65 and special blocking means 66 acting between the slot 65 and the structure of the container element 11.
  • the transversal size t of the container element 11 can be varied.
  • the advancement phase of the container elements 11 can also be varied, or the connecting bradket 63 of the container elements 11 and the slide 10 can also be equipped with a slot 67 on which special blocking means 68 act, which can equip the said container element 11 itself.
  • the machine 1 is able to function at much higher operative velocities than those of the machines of known type conceived for the same purpose.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Packages (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Claims (23)

  1. Verfahren zum Verpacken von Bekleidungsartikel, insbesondere von Damenstrumpfhosen, dadurch gekennzeichnet, dass es wenigstens die folgenden Phasen enthält: Zuführung der vorher gefalteten und von ersten Transportbändern (107, 108) entnommenen genannten Artikel (2) in abwechselnder Folge an eine erste Transferstation (20') mit Hilfe von zwei zweiten Transportbändem (21, 22); dann die abwechselnde und aufeinanderfolgende Weiterleitung derselben von den beiden zweiten Transportbändern (21, 22) durch erste Transfermittel (25) an eine zweite Transferstation (25'), von wo aus sie mit Hilfe von ersten Übertragungsmitteln (31) in entsprechende Aufnahmemittel (11) geleitet werden, die sich mi Schritt gegenüber der zweiten Transferstation (25') bewegen und einen freien Raum (54) belegen, der aus einem Streifen von Einwickelmaterial (52) beschrieben wird, in Längsrichtung an seiner Mittellinie gefaltet, so dass zwei übereinanderliegende und die Aufnahmeelemente umfassenden Hälften gebildet werden, und der sich im Schritt in der gleichen Vorschubrichtung bewegt Wie die des Aufnahmeelementes (11), wobei eine Querverschweißung an dem genannten Streifen aus Einwickelmaterial (52 ausgeführt wird, welches dann durch erste Schneid-Schweissmittel (33) abgetrennt wird, und zwar an einer ersten Schneid- und Schweißstation (33'), die unmittelbar stromaufwärts einer Position angeordnet ist, welche während einer Pause von jedem genannten Aufnahmeelement (11) belegt werden kann, wobei folglich um jeden genannten Bekleidungsartikel (2) eine Umhüllung (53) von rechteckiger Form erhalten wird, die an drei ihrer Seiten verschlossen ist; dann das aufeinanderfolgende Herausziehen der genannten Artikel (2) zusammen mit deren entsprechenden Umhüllungen (53) aus den jeweiligen Aufnahmeelementen (11), wobei die genannten Umhüllungen (53) aufeinanderfolgend auf einer weiteren Fördervorrichtung (37') angeordnet werden, welche sie zu einer zweiten Schneid- und Schweißstation (34') bringt, so dass ein weiterer Schweiß- und Schneidevorgang an der offenen Seite einer jeden Umhüllung (53) ausgeführt werden kann, wozu zweite Schneid- und Schweissmittel (34) verwendet werden, welche eine Wirkungsbahn parallel zu der Vorschubrichtung der Umhüllungen (53) haben, die sich auf der genannten weiteren Fördervorrichtung (37') befinden, wobei die genannten Umhüllungen (53) dann von der genannten zweiten Schneid- und Schweißstation (34') entfernt werden.
  2. Verfahren nach Patentanspruch 1, dadurch gekennzeichnet, dass es eine weitere Phase enthält, bestehend aus dem aufeinanderfolgenden Weiterleiten der genannten Umhüllungen (53) im Verhältnis zu der weiteren Fördervorrichtung (37') in Richtung der genannten zweiten Schneid- und Schweißstation (34'), und zwar mit einer Querbewegung gegenüber einer Transportrichtung der genannten weiteren Fördervorrichtung (37') durch die Wirkung von zweiten Übertragungsmitteln (39); aus der Kontrolle durch Abtastmittel (49) einer von den genannten Umhüllungen (53) im Verhältnis zu den zweiten Übertragungsmitteln (39) eingenommenen Position; und aus der Regulierung des Betriebes der genannten zweiten Übertragungsmittel (39) und der genannten zweiten Schneid- und Schweißvorrichtung (34) je nach dem was von den Abtastmitteln (49) gelesen wird.
  3. Verfahren nach Patentanspruch 2, dadurch gekennzeichnet, dass die Position der Umhüllungen (53) und die Aktivität der zweiten Schneid- und Schweißvorrichtung (34) von dem Vorhandensein einer anderen und grösseren Starke, und im Verhältnis zu der ursprünglichen Stärke von einer doppelten Stärke der Kunststoffolie (52), abhängt, erhöht noch durch die Dicke des Bekleidungsartikels (2), die von den Abtastmitteln (49) durch die zweiten Übertragungsmittel (39) abgelesen wird.
  4. Verfahren nach Patentanspruch 1, dadurch gekennzeichnet, dass vor der wechselweisen Phase des aufeinanderfolgenden Zuführens der gefalteten Bekleidungsartikel (2) an eine erste Transferstation (20') die genannten einzelnen Bekleidungsartikel (2) aufeinanderfolgend und wechselweise auf zwei nebeneinander laufenden ersten Transportbändern (107, 108) angeordnet und abwechselnd entsprechenden Einlegestationen (110') zum Einführen von versteifenden Kartonbögen (110) mit Hilfe von entsprechenden Zuführvorrichtungen (109) zugeleitet werden, wobei die genannten Bekleidungsartikel (2) durch Faltvorrichtungen (111) auf eine bestimmte Weise gefaltet und diese gefalteten Bekleidungsartikel (2) dann an zwei genannte zweite Transportbänder (21, 22) übergeben werden.
  5. Verfahren nach Patentanspruch 4, dadurch gekennzeichnet, dass es eine weitere Phase enthält, welche aus der wechselweisen und querverlaufenden Verschiebung im Verhältnis zu der Transportrichtung der zweiten Transportbänder (21, 22) einer Trägerstruktur (105) der ersten Transportbänder (107, 108) zwischen zwei abwechselnden Ausrichtpositionen besteht, und zwar von einem der ersten Transportbänder (107, 108) jeweils zu einem anderen von ersten (103, 101) und zweiten (104, 102) Fördervorrichtungen, welche die genannten Bekleidungsartikel (2) zu den zweiten Transportbändem (21, 22) leiten, wobei die genannten ersten (103, 101) und zweiten (104, 102) Fördervorrichtungen und die zweiten Transportbänder (21, 22) jeweils und gegenseitig in einem Abstand voneinander angeordnet sind, welcher im wesentlichen der Breite eines jeden genannten ersten Transportbandes (107, 108) entspricht.
  6. Maschine zum Verpacken von Bekleidungsartikeln, wie zum Beispiel von Damenstrumpfhosen, in Übereinstimmung mit dem Verfahren nach den Patentansprüchen von 1 bis 5, dadurch gekennzeichnet, dass sie wenigstens zwei zweite Transportbänder (21, 22) enthält, um in wechselweiser. Folge die genannten Artikel (2) einer ersten Transferstation (20') zuzuführen, erste Transfermittel (25) zur wechselweisen und aufeinanderfolgenden Aufnahme der von den zweiten Transportbändern (21, 22) kommenden Artikel (2) und deren Weiterleitung an eine zweite Transferstation (25'), und erste Übertragungsmittel (31) zum aufeinanderfolgenden Weiterleiten der genannten Artikel (2) von der zweiten Transferstation (25') in entsprechende Aufnahmeelemente (11), die Teil der zweiten Übertragungsmittel (11') sind, welche Aufnahmeelemente (11) schrittweise gegenüber der genannten zweiten Transferstation (25') vorbeilaufen; wobei wenigstens ein Teil der genannten Aufnahmeelemente (11) innerhalb eines Raumes beweglich ist, der durch einen Streifen von Einwickelmaterial (52) beschrieben wird, an seiner Mittellinie in Längsrichtung gefaltet, so dass zwei übereinanderliegende und die Aufnahmeelemente umfassenden Hälften gebildet werden, und beweglich im Schritt in einer Richtung, die mit einer Vorschubrichtung der Aufnahmeelemente (11) übereinstimmt; und wobei die weiterhin dadurch gekennzeichnet ist, dass sie erste Schneid- und Schweissmittel (33) enthält, um in Querrichtung ein Schweißen und Abtrennen des genannten Streifens von Verpackungsmaterial (52) an einer ersten Schneid- und Schweißstation (33') auszuführen, die unmittelbar stromaufwärts einer Position angeordnet ist, welche während einer Pausenphase durch jedes genannte Aufnahmeelement (11) belegt werden kann, und zwar mit dem daraus sich ergebenden Erhalten einer Umhüllung (53) um jeden Bekleidungsartikel (2) von rechteckiger Form und an drei Seiten verschlossen; Entnahmemittel (38), um aufeinanderfolgend die genannten Bekleidungsartikel (2) und die entsprechenden Umhüllungen (53) aus den jeweiligen Aufnahmeelementen (11) herauszunehmen; ein weiteres Transportband (37'), um die genannten Umhüllungen (53) aufeinanderfolgend aufzunehmen und diese, ebenfalls aufeinanderfolgend, an eine zweite Schneid- und Schweißstation (34') zu bringen, sowie zweite Schneid- und Schweissmittel (34), um einen weiteren Schweiß- und Schneidvorgang an der offenen Seite einer jeden Umhüllung (53) auszuführen.
  7. Maschine nach Patentanspruch 6, dadurch gekennzeichnet, dass sie weiter zweite Übertragungsmittel (39) enthält, um die Umhüllungen (53) aufeinanderfolgend und im Verhältnis zu dem genannten weiteren Transportband (37') der zweiten Schneid- und Schweißstation (34') zuzuführen, und die sich quer im Verhältnis zu einer Vorschubrichtung des weiteren Transportbandes (37') bewegen, wobei Fühler (49) vorgesehen sind, um die von den Umhüllungen (53) im Verhältnis zu den zweiten Übertragungsmitteln (39) und den zweiten Schneid- und Schweissmitteln (34) eingenommene Position zu kontrollieren, und zwar im Einvernehmen mit dem was von den Fühlern (49) abgelesen ist.
  8. Maschine nach Patentanspruch 6, dadurch gekennzeichnet, dass sie zwei wechselweise aktivierbare und Seite an Seite laufende erste Transportbänder (107, 108) enthält, welche aufeinanderfolgend und wechselweise die einzelnen und mit Einlagen versehenen Bekleidungsartikel (2) aufnehmen, erste (103, 101) und zweite (104, 102) Fördervorrichtungen zur wechselweisen und aufeinanderfolgenden Übernahme der genannten Bekleidungsartikel (2) von den ersten Transportbändern (107, 108), Zuführmittel (109), um versteifende Kartonbögen (110) im Kontakt mit den Bekleidungsartikeln (2) einzulegen, getragen von den genannten ersten (103, 101) und den genannten zweiten (104, 102) Fördervorrichtungen, Faltmittel (111), um die von den ersten (103, 101) und zweiten (104, 102) Fördervorrichtungen herangeführten Bekleidungsartikel (2) zu falten; wobei die genannten zweiten Transportbänder (21, 22) die Bekleidungsartikel (2) jeweils von den ersten (103, 101) und den zweiten (104, 102) Fördervorrichtungen empfangen.
  9. Maschine nach Patentanspruch 8, dadurch gekennzeichnet, dass sie eine Trägerstruktur (105) für die genannten ersten Transportbänder (107, 108) enthält, sowie Aktiviermittel (106) zum wechselweisen Verschieben der genannten Trägerstruktur (105) quer im Verhältnis zu einer Transportrichtung der genannten zweiten Transportbänder (21, 22), und zwar zwischen zwei abwechselnden Ausrichtpositionen von einem der ersten Transportbänder (107, 108) mit einem oder dein anderen der genannten ersten (103, 101) und den genannten zweiten (104, 102) Fördervorrichtungen, wobei die genannten ersten (103, 101) und die genannten zweiten (104, 102) Fördervorrichtungen zusammen mit den genannten zweiten Transportbändern (21, 22) einen gegenseitigen Abstand um eine Länge voneinander haben, der im wesentlichen der gleiche ist wie die Breite eines jeden der genannten ersten Transportbänder (107, 108).
  10. Maschine nach Patentanspruch 8, dadurch gekennzeichnet, dass die genannten ersten Transfermittel (25) zwei Greif- und Fördergeräte haben, die jeweils zyklisch und wechselweise in zwei Richtungen beweglich sind, und zwar zwischen jeweiligen an die Austrittsabschnitte der genannten zweiten Transportbänder (21, 22) angrenzenden Bereichen und der genannten zweiten Transferstation (25').
  11. Maschine nach Patentanspruch 10, dadurch gekennzeichnet, dass jedes der genannten ersten Transfermittel (25) in zwei Richtungen entlang einer Bahn beweglich ist, die durch einen entsprechend geformten Kanal (23) bestimmt wird, welcher in eine vertikale Wand (20) eingearbeitet ist, getragen von Ständern (55) auf einer höheren Ebene von der Basis (3) aus als die der ersten Transferstation (20') und in der Nähe der Austrittsenden der genannten zweiten Transportbänder (21, 22) angeordnet; wobei die genannten ersten Transfermittel (25) ebenfalls frei gleitend sind, und zwar mit Hilfe von leerlaufenden Rollen (57) entlang entsprechenden vertikalen Führungen (58), welche Teil eines Gleitrahmens (56) bilden, der von der vertikalen Wand (20) getragen und an dieser entlang beweglich ist durch leerlaufende Rollen (59), die in entsprechenden, entlang den oberen und unteren horizontalen Kanten der vertikalen Wand (20) angeordneten Längsführungen (69) gleiten; und wobei jedes genannte erste Transfermittel (25) oberhalb der genannten zweiten Transfermittel (11') angeordnet sind und dort arbeitet sowie zwei horizontale Flächen (27) enthält, die gegenseitig sich einander nähernd und voneinander entfernend beweglich sind, und zwar durch jeweilige Antriebsmittel (61) und mit Hilfe von speziellen Führungen (62).
  12. Maschine nach Patentanspruch 11, dadurch gekennzeichnet, dass die genannten Flächen (27) und (28) zwischen einer angehobenen Position, in welcher die genannte Fläche (27) gegenüber und ausgerichtet zu dem Austrittsende eines entsprechenden zweiten Förderbandes (21 oder 22), und einer gesenkten Position, in welcher die genannte Fläche (27) horizontal zu einer internen unteren Fläche der Aufnahmeelemente (11) ausgerichtet ist, beweglich sind.
  13. Maschine nach Patentanspruch 6, dadurch gekennzeichnet, dass die Aufnahmeelemente (11) aus Fächern gebildet werden, die an einer Seite offen und unter Bezugnahme auf eine Vorschubrichtung der genannten zweiten Transfermittel (11') stromabwärts angeordnet sind, wobei ebenfalls Bewegungsmittel (15') vorgesehen sind, die dazu dienen, die Aufnahmeelemente (11) in zwei Richtungen im Verhältnis zu den genannten zweiten Transfermitteln (11') und normal zu der Vorschubrichtung der genannten zweiten Transfermittel (11') zu verschieben, und zwar zu bestimmten Augenblicken in Übereinstimmung mit den genannten wechselweisen und aufeinanderfolgenden Phasen und in Synchronismus mit dem Weiterleiten der genannten Bekleidungsartikel (2) im Inneren der Aufnahmeelemente (11).
  14. Maschine nach Patentanspruch 13, dadurch gekennzeichnet, dass die genannten Bewegungsmittel (15') Bewegungselemente (17) enthalten, die in einer normalen Richtung zu einer Vorschubrichtung der genannten zweiten Transfermittel (11') beweglich sind, wobei den genannten Bewegungselementen (17) Mitnehmermittel (18) zugeordnet sind, in der Lage, zu festgelegten Augenblicken und für festgelegte Zeitspannen bestimmte Abschnitte der genannten Aufnahmeelemente (11) zu greifen.
  15. Maschine nach Patentanspruch 14, dadurch gekennzeichnet, dass die genannten Bewegungsmittel (15') aus einem Paar von Zahnrädern (14) gebildet werden, um welche ein positiver Antriebsriemen (15) gewunden ist, der wiederum Blöcke (17) trägt, welche Blöcke (17) die genannten Bewegungselemente bilden und mit einem Sitz (18) versehen sind, welcher die genannten Mitnehmermittel bildet, die in der Lage ist, zu festgelegten Augenblicken und für festgelegte Zeitspannen eine über einen Bügel (10') an eine Trägerführung (10) der genannten Aufnahmeelemente (11) angeschlossene leerlaufende Rolle (16) zu greifen, wobei die genannten Aufnahmeelemente (11) mit Hilfe der genannten Bewegungsmittel (15') verschoben werden, und zwar zwischen einer zurückgezogenen Position im Verhältnis zu einer Ebene (19), worin die Aufnahmeelemente (11) sich entlang einer ersten Bahn bewegen, bestimmt durch Führungen (80), in denen die leerlaufenden Rollen (16) laufen, und einer vorgeschobenen in Richtung der Ebene (19) und entlang einer zweiten Bahn, die von Führungen (70) bestimmt wird.
  16. Maschine nach Patentanspruch 7, dadurch gekennzeichnet, dass die zweiten Übertragungsmittel (39) zwei Rollenförderer (40) enthalten, von denen einer dem anderen überlagert ist, angeschlossen an Antriebsmittel (42), die in der Lage sind, die beiden Rollenförderer (40) abwechselnd in zwei Richtungen zu bewegen, wobei die genannten Antriebsmittel (42) von Aktivierungsmitteln (46) gesteuert werden, welche sie voneinander entfernen oder sie einander nähern; wobei die genannten Übertragungsmittel (39) mit Fühlern (49) versehen sind, um die genannten Antriebsmittel (42) und die genannten Aktivierungsmitteln (46) immer dann auszulösen, wenn eine Zunahme in der Stärke der Umhüllung (53) abgelesen wird, wobei die genannte Stärkenzunahme auf das Vorhandensein eines Bekleidungsartikels (2) in der Umhüllung (53) zurückzuführen ist.
  17. Maschine nach Patentanspruch 16, dadurch gekennzeichnet, dass die Rollenförderer (40) jeweils eine Reihe von koaxialen Rollen (40) enthalten, die an ihren freien Enden von einem ersten Arm (43) eines Doppelarmhebels (44) getragen werden; wobei die genannten Doppelarmhebel (44) an einen Gelenkzapfen (45) angelenkt sind und wenigstens einer der zweiten Arme (48) des Doppelarmhebels (44) auf die Fühler (49), und zwar immer dann, wenn die grössere Stärke der Umhüllung (53) mit dem darinliegenden Bekleidungsartikel (2) das Entfernen der beiden Rollen (40) voneinander bewirkt.
  18. Maschine nach Patentanspruch 17, dadurch gekennzeichnet, dass der genannte erste Arm (43) des genannten Doppelarmhebels (44) eine kleinere Länge aufweist als die des zweiten Arms (48), so dass eine Hebelverstärkung erzeugt wird, welche die genannten Rollenförderer (40) empfindlicher macht.
  19. Maschine nach Patentanspruch 6, dadurch gekennzeichnet, dass das weitere Förderband (37') aus einem Förderer mit Fächern gebildet ist.
  20. Maschine nach Patentanspruch 6, dadurch gekennzeichnet, dass die zweiten Transfermittel (11') zwei Seite an Seite angeordnete und um jeweilige Zahnräder (5) zum Halten und Bewegen gewundene Ketten (6, 7) enthält, wobei die genannten Ketten (6, 7) gegenseitig miteinander verbunden sind, und zwar durch Verbindungselemente (9), welche gleitbar in beiden Richtungen und in einer normalen Richtung zu den Entwicklungsebenen der Ketten (6, 7) die jeweiligen genannten Aufnahmeelemente (11) tragen.
  21. Maschine nach Patentanspruch 13, dadurch gekennzeichnet, dass die genannten Aufnahmeelemente (11) aus Fächern gebildet werden, die an einer Seite offen und unter Bezugnahme auf eine Vorschubrichtung (F1) der genannten zweiten Transfermittel (11') stromabwärts angeordnet sind, wobei die genannten Aufnahmeelemente (11) aus einer Stahl- oder Kunststoffplatte (12) von rechteckiger Form hergestellt und auf solche Weise umgebogen sind, dass sie im Querschnitt eine "C"-förmige Ausbildung aufweisen, wobei sie mit ihrer Konkavität der Vorschubrichtung (F1) zugewandt sind und mit ihrer Fläche (11a), welche in der Querabmessung (t) breiter ist als ihre obere Fläche (11b), auf die horizontale Ebene (19) gerichtet sind.
  22. Maschine nach Patentanspruch 21, in welcher die vorgefalteten Bekleidungsartikel (2) um einen Kartonbogen (110) gelegt sind, dadurch gekennzeichnet, dass das Aufnahmeelement (11) mit seiner Fläche (11a) der horizontalen Ebene (19) zugewandt ist, die eine kleinere Querabmessung (t) aufweist als die Querabmessung (T) des genannten Kartonbogens (110).
  23. Maschine nach Patentanspruch 22, dadurch gekennzeichnet, dass das genannte Aufnahmeelement (11) mit einem weiteren Abschnitt (64) der Fläche (11a) versehen ist, welcher im Verhältnis zu der Fläche (11a) selbst in Querrichtung reguliert werden kann, und zwar mit speziellen Blockier- und Einstellmitteln (65, 66), die zwischen der Fläche (11a) und der Struktur des Aufnahmeelementes (11) wirken, so dass es möglich ist, die Querabmessung (t) zu verändern.
EP93830266A 1992-06-23 1993-06-22 Verfahren zum Verpacken von Bekleidungsartikeln, insbesondere Damenstrumpfhosen und Vorrichtung dazu Expired - Lifetime EP0578619B1 (de)

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ITBO920255 1992-06-23
ITBO920256A IT1257843B (it) 1992-06-23 1992-06-23 Metodo per imbustare capi di abbigliamento od indumenti quali le calzefemminili e macchina attuante tale metodo
ITBO920255A IT1257842B (it) 1992-06-23 1992-06-23 Metodo per imbustare capi di abbigliamento od indumenti prepiegati quali le calze femminili e macchina attuante tale metodo
ITBO920256 1992-06-23

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107628296A (zh) * 2017-09-27 2018-01-26 海宁市力天袜业有限公司 一种袜子打包机上的筛选机构

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US3195289A (en) * 1957-04-10 1965-07-20 Phillips Petroleum Co Package making device
FR1557771A (de) * 1967-12-08 1969-02-21
US4543768A (en) * 1981-05-30 1985-10-01 Takatori Machinery Works Ltd. Automatic method and apparatus for packing stockings or the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107628296A (zh) * 2017-09-27 2018-01-26 海宁市力天袜业有限公司 一种袜子打包机上的筛选机构

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DE69305014T2 (de) 1997-04-03
ATE143324T1 (de) 1996-10-15

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