CN1502525A - Bag with internal accessories and mfg method - Google Patents
Bag with internal accessories and mfg method Download PDFInfo
- Publication number
- CN1502525A CN1502525A CNA2003101154403A CN200310115440A CN1502525A CN 1502525 A CN1502525 A CN 1502525A CN A2003101154403 A CNA2003101154403 A CN A2003101154403A CN 200310115440 A CN200310115440 A CN 200310115440A CN 1502525 A CN1502525 A CN 1502525A
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- Prior art keywords
- panel
- equipment
- folding
- sack
- edge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
- B31B70/813—Applying closures
- B31B70/8131—Making bags having interengaging closure elements
Abstract
A bag with internally fitted fitment and a method for manufacturing the same are provided to reduce the number of seam lines and to keep the surface of frozen food smooth when the bag is removed from the frozen food. A bag(10) is composed of gusseted side walls(15,16), end walls(17,18), and rectangular panels(13,14) coupled to the side walls and the end walls. The upper panel(14) has folded edges(19) coupled to the side walls. The lower panel(13) has folded edges and a seam line(22) coupled to the side walls. A folded line(23) is formed at the center of the side wall, and divides the side wall into upper and lower gusseted panels(15A,15B).
Description
Technical field
The present invention relates to a kind of sack, especially will fill up the sack of flowable mass such as food material, relate to more specifically a kind ofly will fill up flowable mass and make fixed block, as by freezing.The invention still further relates to method and the instrument of making this sack.
Background technology
In food packaging industry, be necessary to prepare that some are passable, from the filling head of food in bulk deposit, the ready-made packaging bag of high speed filling liquid or fluid food.Filling up also, the leak free sack is sent to the place that food is distributed.
In order to make prefabricated sack fill up fluid food, sack is provided with pad device or the nozzle that the filling head with filling device holds.That nozzle has is separable, can remove from padding end cap that can maintain the content in the sack or resemblance.Nozzle can provide the outlet of the food that shed afterwards.Nozzle can paste the outside face of sack.Yet, preferably on the inside face at sack between nozzle and bag material, establishing a sealing surfaces, can more firmly connect like this.More typical is to connect the sack of ground floor to the second layer, and ground floor has the inner nozzle of installing, the food cavity that one of formation can reach via nozzle between first, second layer.So the integral body that sack has at sack connects the double-ply sealing member on every side.Generally there is potential weakness in these sealing members on bag configuration.
Some food, as ice cream, the milk wet goods all needs freezing the preservation.The frozen block of food can be in above-mentioned sack liquid is full of sack maybe can flow the time then and realizes sack is freezing by at product still being.When frozen block is consumed, bag material is torn from product so that piece is exposed.
When piece is frozen, the turning of sack can comprise frozen block usually.This is at mobile bag material and keep existing problems on final piece smooth, especially at corner region.In addition, material may be torn up, and when pouch was torn into fragment, it was just relatively more inconvenient to remove and throw away sack like this.
Summary of the invention
The object of the invention is to provide a kind of inside erecting equipment with less number sealing member or sack of nozzle of comprising.
Another object of the present invention is to provide a kind of sack that is used for frozen product, described sack provides the smooth exterior surface of frozen block when bag material is removed.
In one aspect of the invention, the invention provides a kind of method of making sack from the lengthwise tubulose light sheet material that is driven plain, described material is driven plain first, second panel with upper and lower setting, and described panel comprises first, second multiple folding lateral edges profile, and described method comprises:
At least one lateral edges profile is cut to limit a pair of free edge;
Separately so that the inlet of equipment to be provided, described equipment has the flange that limits sealing surface with free edge;
Equipment inserted by inlet and equipment is positioned in the hole in first panel;
The face of flange is welded to relatively the inside face of first panel; With
Free edge is welded together.
Preferably, method is included in the step in forming device hole in first panel.Preferably, equipment opening is realized by punching behind the free edge of sheet separation.
Easily, the all multiple folding of each of first, second lateral edges profile becomes W shape, comprise and stretch folding place and following overhanging folding place in overhanging folding place, the centre, the overhanging folding of at least one of first, second folding edge contour place extends laterally out other overhanging folding place, and the folding place of extension is cut open to define an offside extends free edge.
On the other hand, the invention provides the sack of making by said method.
Aspect another, the invention provides a kind of from flattening the method for light sheet material manufacturing sack, described light sheet material in folding edge by pre-folding to form first, second panel of upper and lower setting, described panel has interior surface opposing, each first, second panel has with respect to the cooresponding free edge in folding edge, and described method comprises:
First, second panel is separated into the equipment opening that is limited in first panel to provide access;
Equipment between the panel that separates is inserted into the hole, and equipment has the flange that limits sealing surfaces in;
The sealing surfaces of equipment is sealed to the inside face of connecting panel; With
With the sealing in approaching the zone of free edge of first, second panel.
Preferably, described method also is included in the first panel internal shaping equipment opening.
Preferably, the separation assembly that provides between first, second panel is provided the step of separating first, second panel.
Preferably, in first, second panel at least one has a gusset, described gusset is made up of multiple folding place and extendible portion, described extendible portion extends from the free end of gusset to corresponding panel, and the step that seals first, second panel comprises that the extendible portion with a panel is sealed to another panel.
Preferably, connecting panel further comprises the gusset that is located at folding edge.
On the other hand, the invention provides a kind of sack, described sack first, the second relative panel, first edge, second edge relative with first edge, be located at the equipment opening in first panel and be contained in the interior equipment of equipment opening, described equipment has a flange that limits the interior sealing surfaces of an inside face that is sealed to the primary sealing area plate, first, second panel is made to form first edge from mono-folding light sheet material, first, second panel extends to corresponding first from the folding edge, second free edge, first, second free edge is sealed together to form second edge.
Preferably, sack also comprises first, second the multiple folding lateral edges profile that is located at first, second lateral edges respectively.Expediently, each of first, second lateral edges profile all is multiple foldings, form a W shape, comprise and stretch folding place and low overhanging folding place in overhanging folding place, the centre, at least one overhanging folding place in the first or second folding lateral edges profile extends laterally out other overhanging folding place, extends the folding place and is cut open to limit a pair of free edge that extends laterally.
Preferably, first, second panel sealing at first, second edge is to forming relative the 3rd edge and the 4th relative edge together.
Preferably, sack also comprises the profile seal part of one or more control sack in-profiles.Preferably, one or more profile seal parts are included in the sealing member between the inside face of multiple folding lateral edges profile.Preferably, the profile seal part is roughly contiguous with third and fourth edge.
Preferably, equipment comprises body and the end cap that can remove, and end cap is included in the connector that is adapted to be received in after sack is filled in the body, solidifies thereby connector roughly prevents the material in the body.
Aspect another, the invention provides a kind of instrument of making sack, described sack is made from first, second panel that the lengthwise tubulose light sheet material that is driven plain forms upper and lower setting, and described panel comprises multiple folding lateral edges profile, and described instrument comprises:
Cut device, cut at least one folding lateral edges profile to limit a pair of free edge;
Disengagement gear separates free edge so that the inlet of equipment to be provided, and described equipment has the flange that limits a sealing surface;
Insert device, equipment is inserted by inlet and equipment is positioned in the hole that is located in first panel;
The equipment sealing arrangement, the face of the inside face sealing flange of relative first panel; With
Side sealing apparatus is sealed together free edge.
Preferably, instrument also comprises the building mortion of tubulose thin plate in full bloom, described building mortion comprises extrusion device, shaping device and pressuring flat device, extrusion device is extruded circular elongated tube material material, shaping device is made the folding place of the side profile in the pipe, and pressuring flat device flattens pipe and flattens thin plate to make.
Preferably, instrument also is included in the equipment opening formation platform in manufacturing equipment hole in first panel.
Preferably, separation platform is provided at the breakaway-element between the free edge of first, second panel.
Preferably, instrument also is included in the profile seal forming platform of making one or more profile seal parts in the thin plate.
Preferably, breakaway-element and equipment insert roughly co-located of platform.
Preferably, sealing platform and equipment insert roughly co-located of platform.In one embodiment, breakaway-element comprises the retaining element that is suitable for being positioned between first, second panel, and it is farther that retaining element separates first, second panel when the thin plate equipment that is sent to inserts platform.Preferably, at least one part of breakaway-element is arranged on equipment and inserts the flat-bed top.In a selectable embodiment, breakaway-element comprises displaceable element, displaceable element moves to the control position of first, second interlayer from retracted position, at retracted position, obtain minimum distance between first, second panel, at control position, the distance between first, second panel increases.Preferably, equipment inserts platform and comprises plate body element between first, second panel that is suitable for being positioned at connecting panel, with advance arm, advance arm to be suitable for holding, and impel the equipment that blocks to arrive and the equipment opening positions aligning of first panel along plate body at retracted position and equipment.Preferably, plate body comprises a stops, thereby blocks equipment a position, and in this position, equipment roughly aligns with equipment opening.
In one embodiment, device comprises that also the connecting panel that cut bag material is the independently Cutting platform of sack.In a selectable embodiment, instrument also comprises the local device that separates between the individual bag on the connecting panel.
In yet another aspect, the invention provides sack and make instrument, described instrument is from making sack to form first, second panel of upper and lower setting at the light sheet material of the pre-folding in folding edge, described panel comprises opposite inner face, each first, second panel comprises the corresponding free edge at relative folding edge, and described instrument comprises:
The thin plate conveyer, described thin plate conveyer transmits thin plate through some workplatformes; Described some workplatformes comprise:
Separation platform separates first, second panel;
Equipment inserts platform, will insert the hole in first panel at the equipment between the separation panel,
Equipment has the flange that limits sealing surfaces in first;
Seal platform, the equipment sealing surfaces is sealed to the inside face of first panel; With
Edge sealing platform, contiguous free edge forms a freedom between first, second panel
The edge.
Preferably, described instrument also is included in the side seals platform that forms sealing member between first, second panel and extend between folding edge and free edge sealing.
Preferably, described instrument also is included in the equipment opening forming platform in forming device hole in first panel.
Preferably, separation platform is provided at the separation assembly of the free edge of first, second panel.
Description of drawings
Below by without limits the effect embodiment and with reference to the accompanying drawings the present invention be described,
Wherein:
Fig. 1 is the scheme drawing according to the sack of a preferred embodiment of the present invention;
Fig. 2 is the end face diagrammatic sketch of sack shown in Figure 1;
Fig. 3 is the side diagrammatic sketch of nozzle and end cap device;
Fig. 3 A is the cutaway view along B-B line among Fig. 3;
Fig. 4 is the piece that is shaped to the sack of type shown in Figure 1;
Fig. 5 is the birds-eye view of the processing platform of the preferred embodiment for the present invention, and this processing platform is used to make sack.
Fig. 6 is the cutaway view of connecting panel of the formation sack of one embodiment of the present invention;
Fig. 7 is for forming the block diagram in flat-bed hole;
Fig. 7 A is for forming the cutaway view in flat-bed hole in using;
Fig. 8 is the birds-eye view of nozzle erecting stage;
Fig. 9 is the more detailed lateral plan of nozzle erecting stage among Fig. 8;
Figure 10 is the longitudinal sectional view of an embodiment of separation assembly;
The end face diagrammatic sketch of the sealed end that is in sealing station that Figure 11 sees for the connecting panel longitudinal direction;
Figure 12 is for forming the flat-bed scheme drawing of diagonal angle profile seal;
Figure 13 is for forming the scheme drawing of long limit sealed platform;
Figure 14 has the birds-eye view of the partially-formed sack of sealing member for the side;
Figure 15 is that selectable nozzle inserts the flat-bed lateral plan, and described nozzle insertion platform has the power separation assembly in retracted position;
Figure 16 is that nozzle shown in Figure 15 inserts the flat-bed lateral plan, and wherein separation assembly is in control position;
Figure 17 is for making the extrusion device of lengthwise tubular sheeting;
Figure 17 A-17F is for extruding the cutaway view with the progression of the tubular sheeting of folding process by Figure 17.
The specific embodiment
See figures.1.and.2, the sack 10 of one preferred implementation is made by the monolayer polyethylene thin slice according to the present invention.Selectively, thin slice also can be used multilayer material, as the common rolled material of nylon/polyethylene or roll the metal treatment polyester.Sack 10 has upper and lower relative main rectangular panel 13,14, and upper and lower rectangular panel 13,14 is connected to relative dihedral sidewall 15,16 and end wall 17,18.Top panel 14 is connected to dihedral sidewall 15,16 and surrounds barrier along turning folding 19,20 places, and lower faceplate 13 is along folding comer edge 21 and the sealing of lengthwise edge or seam 22 are connected to dihedral sidewall 15,16 down.Gusset wall 15 has indented central dihedral folding lines 23 to limit dihedral panel 15A, 15B.Similar, sidewall 16 has indented central dihedral folding lines 24 and unties panel 16A, 16B with qualification.
Opening sack end is along horizontal seam 25,26 weld togethers, and seam 25,26 is extended in the middle of end wall 17,18 respectively.End wall 18 forms the welding profile seam of extending to centre-line joint 26 inside diagonal lines from the end wall turning, to limit triangle ear handle or to overlap 28.These have been controlled the shape of the sack that is filled and have guaranteed in-profile and final sack smooth and continuous.Therefore, when sack comprises freezing or solid matter, sack does not have part and is included in the solid block.End wall 17 has similar triangle cover.
The shape of piece is formed by sack among Fig. 4 10.Piece 400 has because the sidewall 401,402 that gusset wall 15,16 forms.Since sack to corner contours seam 27, engage end wall 17,18 and 15,16 combineds action of gusset sidewall the piece with rectangle end wall 403,404 be provided.Be included in refrigerating process in freezing determine by the arbitrary part that prevents bag material, it is removed with the continuous workpiece of integral body easily that the shape of the frozen block that is caused by sack is convenient to sack.When also having a favourable part, piece has smooth beautiful appearance.
In order to fill sack, sack 10 has a nozzle that comprises end cap 31.Nozzle 30 and end cap 31 are shown specifically in Fig. 3 and Fig. 3 a.Nozzle 30 comprises general body 32, and body 32 has a central opening 33 that runs through wherein.What extend from body central authorities is an intermediate flange 34, and this intermediate flange 34 limits upper and lower circumferential groove 35,36 respectively.Upper flange 37 engages with end cap 31 from the upper limb extension of body 32.Following ring flange 38 extends from the lower edge of body 32.Flange 38 has the upper surface 39 that sealing surfaces is provided, and sealing surface 39 is fastened on the inside face of sack in the following mode that will describe.
The overhanging flange 45 of one ring-type extends from the upper limb of connector 31, with the snap fit of formation with the flange 37 of nozzle.The end cap disconnector that end cap 31 also is included as injector head provides the cover flange 43 of bottom surface engaging.Nozzle and end cap are all by the linear low density polyethylene material injection molding.
When nozzle was assembled into the sack inside face in following mode, nozzle and end cap combination had lower profile to provide by the easier insertion of inlet acquisition with respect to the sack of prior art, and inlet is between the panel of half-blank sack.
The preferable methods of the production sack 10 shown in Fig. 1-3a is described in detail with reference to Fig. 5-14.Fig. 5 shows the birds-eye view of tubulose connecting panel in the process of some workplatformes of direction shown in the process arrow 50A of bag material 50.At pore-forming platform 51 places, the array of spaced nozzle opening is manufactured on the upper strata of connecting panel material.At static jet platform 52 places, the upper strata of connecting panel material is enhanced, and the nozzle quilt is by being located between the layer and the hole of aliging with nozzle opening insertion.Nozzle is sealed on the connecting panel on this platform.At jig 53 places, form corner contours is welded.In the end seal on the platform 54, form parallel sealing spare to limit the finally sealed of adjacent bags.The open end edge of sack is sealed by two seal process on sealing platform 55,56.On Cutting platform 57, sack is cut open between parallel end seal and forms its final length.
Workplatform 51-57 receives the continuous connecting panel of bag material.The tubulose connecting panel is made in the blown extrusion line, then, and so that following mode-with reference to Figure 17, roll extrusion is to form the folding connecting panel shown in Fig. 6 middle section.Tubulose connecting panel 60 has upper strata 64, passes through folding edge 62 co-extensive with lower floor 63, and folding edge 62 comprises a gusset device 68.The folding edge is respectively the free edge 66,67 of upper and lower layer relatively.In the second gusset device, 69 upper stratas, be included in the extension 65 of gusset 69 and last interlayer, thereby extension 65 aligns roughly with underclad portion overlapping free 66,67.Gusset 18,19 comprises respectively in overhanging folding place 601 and the centre stretches folding place 602.Thereby overhanging folding place 603 gussets define the arrangement of a W shape under also being provided with on folding edge gusset 68.Surpass the part 65 that extend to free edge 67 at overhanging folding place 601 having on the free edge gusset 69, part 65 provides the sealing area of sealed bag.As shown in Figure 6, free edge 66,67 does not connect in this step, so free edge 66,67 limits one with the nozzle and the end cap device insertion inlet wherein that combine.
Contrast Figure 17, the process of the connecting panel of a plate forming platform and shop drawings 6 is shown.Figure 17 A-17F shows the cutaway view of the connecting panel various process manufacturing in A-F stage among Figure 17.In the A stage, shown in Figure 17 A, extruded shape cylinder lengthwise pipe 60 moulding in a kind of existing extrusion equipment 171.The pipe 170 of moulding, is managed 170 upper ends and is held formation gusset sidewall with relative gusset plate 176,177, shown in Figure 17 B by inflation by a cylindricality tower 175.
Continue to move downward through forming platform, pipe engages with guide rolls 178 and to begin to flatten the lengthwise pipe and it is defined as the two-phase counter plate of pipe.Roller 178 and 176,177 cooperations of gusset plate provide inside, the outward extending folding place of gusset device, and the gusset plate is specifically constructed to create asymmetric bending folding place 179.Pipe is by a series of pinch rollers 80 with lead Kun 81 then, pinch roller with lead Kun the further pressing action in D stage (as Figure 17 D) be provided.The pipe that is driven plain was passed Cutting platform E, and Cutting platform E comprises that the blade 182 that cuts gusset part 179 is to make side opening 183 in pipe.At last, be driven plain and the connecting panel of lateral openings by around roller 184 volumes to be fed on the workplatform.The people in the industry should be noted that Cutting platform can be as first platform of the workplatform that will describe rather than a platform after forming process.
Please refer to shown in Figure 5, connecting panel 60 can through workplatform 51-57 with any suitable conveyer as everyone knows the traction wheel conveyer transmit.Selectively, inventor of the present invention has found that only method provides a kind of silicon belt conveyor (silicon conveyingbelt), and the side seams of connecting panel can be welded on the described silicon belt conveyor so that necessary transmission tensile force to be provided temporarily.Before arriving Cutting platform or when arriving Cutting platform, solder joint can separate from being with.
With reference to Fig. 7 and Fig. 7 a, be depicted as at the piercing die device 70 that on connecting panel 60 materials, forms the hole on the pore-forming platform 51.Thereby connecting panel 60 is separated upper and lower layer 64,63 moving up and down in draw ring 71.Draw ring 71 comprises that an annular opening 75 comes and goes punch 72 to hold.Punch 72 front ends have a circular blade 73 sizes and are contained in the nib 75 just rightly.Punch 75 is arranged on that the upper strata 64 from the cloth connecting panel is between punch 72 and the draw ring 71 in the draw ring 71.When punch moves down with the draw ring combined action, thereby the annular section of connecting panel material is trapped between punch 72 and the mould 71 and the cut annular opening that produces on connecting panel.Thereby a suction means is applied to the punching of the hole 75 place's materials that run through drawing-die 71 centers partly was removed and can not has influence on workplatform through plate remainder.Connecting panel is advanced onto nozzle erecting stage 52.
Now with reference to Fig. 8 and Fig. 9 nozzle erecting stage 52 is described, Fig. 8 provides upper junction plate layer 61 partly to be cut away to show the schematic plan of concrete nozzle erecting stage.The nozzle erecting stage comprises a platform 80, and a nozzle that will be mounted and be sealed to the burner bore 83 on the upper junction plate layer 64 is provided on the platform.Be provided with one on the platform 80 and advance arm, thus retracted position (solid line among Fig. 8) advance arm from nozzle supply department 85 receive a nozzle 30 with, impel nozzle 30 to enter burner bore positions aligning with connecting panel in extended position (dotted line among Fig. 8).Advance arm 87 to have the handle 84 of vee shape, handle can be contained in the circumferential groove of nozzle or with the intermediate flange of nozzle and engage.
Inlet in order to provide enough nozzle 30 to insert below platform 80 at connecting panel 64 provides a separating arm 81 that promotes upper junction plate layer 64.Figure 10 shows along the longitudinal sectional view of separating arm 81C-C part signal along the line.The connecting panel travel direction is expressed by arrow 101.When connecting panel when nozzle inserts platform and advances, upper strata 64 contacts with separating arm 81 and becomes and lower floor 61 broadens dividually gradually.Nozzle inserts flat-bed platform 80 and crosses separating arm 81 settings.Separating arm 81 expands on section, and have one on the platform 80 with upper strata guiding surface 81A and one deck guiding surface 81B below platform 80 of protruding mode bending with protruding mode bending, separating arm comprises a smooth contoured of progressively separating upper and lower connection flaggy when connecting panel advances.The contriver finds, if separation is too unexpected, that one connecting panel can experience along the routing problem of conveyer.Upper junction plate layer 64 only is picked up with the insertion of the nozzle under enough lower floors.The too much branch defection of upper and lower layer causes routing problem and can destroy the integraty of connecting panel folding edge gusset.For the separation of upper and lower layer minimum is provided, nozzle has than the also little profile of using in the existing system, and the upper and lower layer in the prior art systems comprises the separation connecting panel of material.
To advancing arm to provide the nozzle supply mechanical device of nozzle to be known to the ordinary skill personage and not form a part of the present invention.Accordingly, nozzle supply mechanical device is just no longer described in detail herein.And then, be understandable that, also be a kind of in multiple may the device that nozzle can be alignd with the burner bore of connecting panel to the description that advances the arm mechanical device herein.Other suitable mechanical device comprises rotor plate, can have an arrangement nozzle that is provided with along peripheral on the rotor plate, and these nozzle order rotate to align with the burner bore of connecting panel.
The lower floor 63 of connecting panel is at flat-bed lower surface bottom offset.This provides the separating of minimum of the upper and lower layer of the connecting panel relevant with the connecting panel path.
Referring again to Fig. 9, the sealing head 88 with nozzle platform co-located has been shown among Fig. 9.Sealing head 98 comprises that is arranged on a terminal annular heating component 89, and heating component 89 is contained in the top of the end cap of nozzle 30.
Insert platform at nozzle, the burner bore that connecting panel moves forward on connecting panel is placed on sealing head 89 times.When connecting panel moved, upper and lower layer separated in the following manner.Move when the connecting panel continuation, propelling arm 82 impels the nozzle 30 between the upper and lower connection flaggy.In case nozzle 30 holds stops 87, advance arm 82 to return.The annular lip 387 that moves down on nozzle shown in Figure 11 30 with relative nozzle 30 of sealing head 88 presses the connection flaggy then.The sealing member of annular heating component 89 heating upper junction plate layers 64 is to nozzle flange 38.Thereby returning connecting panel, sealing head 88 can move to next processing platform.When connecting panel when nozzle fixed platform 52 moves, the upper strata 64 of connecting panel continues to move on separating arm 81, thus separating arm 81 had the upper and lower layer of downward-sloping profile and was brought to mutual position adjacent again this moment.
At profile welding fabrication platform as shown in figure 12, special teflon plate 121,122 is inserted between the folding place of gusset 15,16, to separate upper strata 15A, 16A and following gusseted panels 15B, 16B respectively.Utilize existing tight weld technology, profile welding fabrication head 123 is taken to from the upper and lower of connecting panel with a left side to be connected to form the diagonal line weld seam with right, upper and lower gusset folding.Special teflon plate is only guaranteed on request to weld and is formed on the inside face at last gusset folding place and following gusset folding place, and prevents that weld seam from contacting the outside face shaping at upper and lower folding place, otherwise will stop gusset to open when sack is filled with.
In case profile welding forming, connecting panel move to workplatform shown in Figure 13, utilize sealing head 130 lengthwise edge sealing 22 of shaping between the upper and lower layer of the free lateral edges 66,67 of connecting panel at this place.In this, the connecting panel of forming process is a tubulose.
In case the sealing of lengthwise edge is made into, end sealing 25,26 is manufactured two phase process, F/s is to utilize heated line to form a pre-warmed sealing member, the mobile then connecting panel sealing stage to the end, in the last sealing stage, another heated line is used to finish welding.The feasible skin that runs through connecting panel by the time of heat that preheats process of the seal process in two stages is to internal layer, especially in the gusset zone that comprises four layers of using before finally heating.Outer field heating, the excellent sealing of interlayer in guaranteeing simultaneously crossed that the process in two stages prevents.Process platform last utilizes known appropriate technology, and sack is incised to certain-length.Sack can only be that part is separated from the separation of connecting panel, and for example by punching, final products are a series of separable sacks like this.
Above-described connection flaggy separation machinery device utilizes the fixing separation assembly of profile, when connecting panel gradually when nozzle inserts platform and moves, this separation assembly separates upper and lower connection flaggy.Separation assembly 151 is power separation assemblies in Figure 15, selectable embodiment shown in Figure 16.Insert platform when connecting panel is moved to nozzle, separation assembly 151 is placed on the below near the free edge 67 of the upper junction plate layer 64 of platform 80, thereby obtains the minimum separation of upper and lower connection flaggy.The nozzle 30 that is inserted into is pushed into that arm 82 blocks but the outside that remains on connecting panel.In case connecting panel is moved to nozzle and inserts platform and stop at this place, separation assembly 151 is elongated to position shown in Figure 16, is picked up at this position upper junction plate layer 61.When separation assembly 151 lifts connecting panel, move in separation place of separation assembly manufacturing thereby advance arm 82 to extend nozzle 30 in the manner described before.In case nozzle blocks stops 87, advance arm 82 and separation assembly 151 to return.When connecting panel 64 descended, nozzle 30 was contained in interior the preparation in the manner described before by sealing head 88 sealings of burner bore of connecting panel.
The preferred embodiment of the present invention has been described with reference to making sack, and each lateral edges of sack has the gusset device, and forms diagonal form profile soldered in the corner of sack.Such bag configuration is that desirable being used to held and wanted freezing product.When expanding or being full of, the shape of sack is gusset and all smooth inclination of weld seam corner.In addition, because sack is to be formed by a lengthwise seam, rather than at each lengthwise edge seam is arranged all, the sack of making like this is firmer.
Yet art technology personage is appreciated that the number of method and apparatus described herein and gusset is irrelevant, if gusset is arranged in the sack.Also will be understood that, when being described with single sack, additional panels, as make one or more sidewalls or end wall also is fine.
Art technology personage be understandable that the free edge gusset can be formed in down or lower floor on.The encapsulating method that it will also be appreciated that application will be by the many or few degree of type decided of the bag material that uses.For example, the welding heat with outer field double layer material than internal layer use low, when the lengthwise sealing will be formed between the internal layer of gusset, there is no need to provide the prolongation that from the free end to the gusset, extends, for example, these layers have low welding heat.
The term lengthwise of Shi Yonging is to use with reference to the embodiment that figure describes herein, and the axis of lengthwise is the axis that moves through the process platform along connecting panel in the drawings.In the drawings, the axis of lengthwise is parallel with long axis with the sack manufacturing.In selectable embodiment, be what to be intersected thereby connecting panel can be cut open from the longitudinal axis of the long axis of the sack of connecting panel manufacturing and connecting panel.
Art technology personage is appreciated that and is not departing from spirit of the present invention and protection domain, can make some modifications and change to the specific embodiment of the invention of describing.Therefore embodiment only plays the description illustration and does not have any restriction the present invention.
Claims (35)
1. make the method for sack from the lengthwise tubular material for one kind, material is driven plain first, second panel that forms upper and lower setting, and panel has first, second multiple folding lateral edges profile, said method comprising the steps of:
Cut apart at least one folding lateral edges profile to limit a pair of free edge;
Separate free edge to be provided for the inlet with the flange that limits sealing surface of equipment;
Equipment inserted by inlet and equipment is positioned in the hole on first panel;
The face of the inside face sealing flange of relative first panel;
With the sealing free edge.
2. the method for claim 1, it is characterized in that: described method also is included in the step of the first panel internal shaping equipment opening.
3. method as claimed in claim 2 is characterized in that: described equipment opening is made by punching behind the sheet separation free edge.
4. the method for claim 1, it is characterized in that: first, second side profile all is that multiple folding is a W shape, comprise overhanging folding place, stretch folding place and following overhanging folding place in the centre, at least one overhanging folding place of the first or second folding side profile forms side and extends other overhanging folding place, extends the folding place and is cut open to limit offside extension free edge.
5. sack made from method shown in claim 1.
6. one kind from being driven plain the method for material manufacture sack, described material is had first, second panel of the upper and lower setting of opposite inner face with formation by pre-folding at the folding edge, each all has separately the free edge at folding edge relatively in first, second panel, said method comprising the steps of:
Separately first, second panel is to provide the inlet that is arranged on the equipment opening in first panel;
With in the equipment patchhole, equipment has a flange that limits the inner sealing surface in the panel that separates;
The sealing surfaces of equipment is sealed to the inside face of connecting panel; With
Roughly first, second panel sealing is arrived with the contiguous zone of free edge.
7. method as claimed in claim 6 is characterized in that: described method also is included in the method for the first panel internal shaping equipment opening.
8. method as claimed in claim 6 is characterized in that: the step that first, second panel is separated is included between the free edge of first, second panel a separation assembly is provided.
9. method as claimed in claim 6, it is characterized in that: in first, second panel has a gusset at least, gusset is made up of the prolongation that multilayer folding place and extends to corresponding panel free edge from gusset, and the step that seals first, second panel comprises that the prolongation with a panel is sealed to another panel.
10. method as claimed in claim 9 is characterized in that: connecting panel also comprises and is molded over the intramarginal gusset of folding.
11. sack, comprise first, second relative panel, first edge, relative first edge second edge, be formed in the equipment opening in first panel and be contained in equipment in the equipment opening, equipment has the flange of sealing surfaces in the qualification, sealing surfaces is sealed to the inside face of first panel in described, first, second panel is made to form first edge from single folding light sheet material, first, second edge extends from the folding edge to cooresponding first, second free edge, and first, second free edge is sealed together and forms second edge.
12. sack as claimed in claim 11 is characterized in that: described sack further comprises respectively first, second the multiple folding lateral edges profile at first, second lateral edges.
13. sack as claimed in claim 12, it is characterized in that: first, second lateral edges profile is multiple folding, form a W shape, comprise and stretch folding place and following overhanging folding place in overhanging folding place, the centre, at least one overhanging folding place of the first or second folding lateral edges profile extends laterally out other overhanging folding place.
14. sack as claimed in claim 13 is characterized in that: first, second panel is sealed together between first, second edge, forms four edge relative with, the 3rd edge.
15. sack as claimed in claim 14 is characterized in that: described sack also comprises the profile seal part of one or more control sack in-profiles.
16. sack as claimed in claim 15 is characterized in that: one or more profile seal parts are included in the sealing member between the inside face of multiple folding lateral edges profile, and preferred profile seal part roughly is arranged on the contiguous place at the 3rd, the 4th edge.
17. sack as claimed in claim 11 is characterized in that: equipment comprises tubular body and end cap movably, and end cap is included in the connector that is suitable for after sack is filled being accommodated in the tubular body, and connector roughly can prevent the solidifying of material in the tubular body.
18. one kind is driven plain the instrument that first, second panel that forms upper and lower setting is made sack from the tubulose light sheet material, described panel has first, second multiple folding lateral edges profile, and described instrument comprises:
Cutter sweep cuts at least one folding lateral edges profile to define first pair of free edge;
Disengagement gear separates free edge so that equipment entrance to be provided, and described equipment comprises that one limits the flange of a sealing surface;
Insert device, be positioned in the hole in first panel by inlet insertion equipment and with equipment;
The equipment sealing arrangement is with the inside face sealing of relative first panel of face of flange;
Side sealing apparatus is sealed together free edge.
19. instrument as claimed in claim 18, it is characterized in that: described instrument also comprises the building mortion of shaping body thin plate, building mortion comprises extrusion device, shaping device and pressuring flat device, extrusion device is extruded and is roughly circular elongated tube material material, shaping device forms the folding place of the side profile of pipe, and pressuring flat device flattens pipe to make flat sheet.
20. instrument as claimed in claim 18 is characterized in that: described instrument also is included in the equipment opening forming platform in manufacturing equipment hole in first panel.
21. instrument as claimed in claim 18 is characterized in that: described disengagement gear provides the separation assembly between the free edge of first, second panel.
22. instrument as claimed in claim 21 is characterized in that: separation assembly roughly inserts the device co-located with equipment.
23. instrument as claimed in claim 22 is characterized in that: sealing arrangement roughly inserts the device co-located with equipment.
24. instrument as claimed in claim 21 is characterized in that: separation assembly comprises the fixation kit that is arranged between first, second panel, and when the thin plate equipment that is sent to inserted device, described fixation kit was farther discretely with first, second panel.
25. instrument as claimed in claim 24 is characterized in that: at least a portion of separation assembly is arranged on the top that equipment inserts device.
26. instrument as claimed in claim 21, it is characterized in that: separation assembly comprises the mobile component that can move to the control position between first, second panel from retracted position, when retracted position, the separating distance minimum of first, second panel, when control position, the separating distance of first, second panel is bigger.
27. instrument as claimed in claim 26, it is characterized in that: equipment insertion device comprises the plate body assembly between first, second panel that is arranged on connecting panel, with the propelling arm, advance arm when retracted position and equipment hold, impel the equipment that holds along plate body to first panel on the position that roughly aligns of equipment opening.
28. instrument as claimed in claim 27 is characterized in that: described plate body assembly is included in the stops of the equipment that blocks on the position, and equipment roughly aligns with equipment opening on this position.
29. instrument as claimed in claim 18 is characterized in that: described instrument further is included in the profile seal building mortion that forms one or more profile seal parts in the thin plate.
30. instrument as claimed in claim 18 is characterized in that: described instrument comprises that also the connecting panel with bag material is divided into the segmenting device of independent sack.
31. instrument as claimed in claim 18 is characterized in that: described instrument also is included in and forms the local device that separates between the independent sack on the connecting panel.
32. instrument of making sack by light sheet material, described material at the pre-folding of folding edge to form first, second panel of upper and lower setting, described panel has opposite inner face, each of first, second panel all has the relative free edge with respect to the folding edge, and described instrument comprises:
The thin plate conveyer, described thin plate conveyer transmits thin plate through some workplatformes; Described some workplatformes comprise:
Separation platform separates first, second panel;
Equipment inserts platform, will insert the hole in first panel at the equipment between the separation panel,
Equipment has the flange that limits sealing surfaces in first;
Seal platform, the equipment sealing surfaces is sealed to the inside face of first panel; With
Edge sealing platform, the roughly contiguous free edge between first, second panel it
Between form free edge sealing.
33. instrument as claimed in claim 32 is characterized in that: also be included in the side seals platform that forms sealing member between first, second panel and between folding edge and free edge sealing, extend.
34. instrument as claimed in claim 32 is characterized in that: the equipment opening forming platform that also is included in forming device hole in first panel.
35. instrument as claimed in claim 32 is characterized in that: separation platform is provided at the separation assembly between the free edge of first, second panel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2002952956 | 2002-11-26 | ||
| AU2002952956A AU2002952956A0 (en) | 2002-11-26 | 2002-11-26 | Bag with internally fitted fitment and method of forming same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1502525A true CN1502525A (en) | 2004-06-09 |
Family
ID=29741568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2003101154403A Pending CN1502525A (en) | 2002-11-26 | 2003-11-25 | Bag with internal accessories and mfg method |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR20040047626A (en) |
| CN (1) | CN1502525A (en) |
| AU (1) | AU2002952956A0 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421573A (en) * | 2013-08-20 | 2015-03-18 | 常州山由帝武节能新材料制造有限公司 | Decorative heat preserving plate and refrigerating device using same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101008953B1 (en) * | 2010-05-13 | 2011-01-17 | 한국트랙주식회사 | Electronic device for measuring distance |
-
2002
- 2002-11-26 AU AU2002952956A patent/AU2002952956A0/en not_active Abandoned
-
2003
- 2003-11-25 KR KR1020030083895A patent/KR20040047626A/en not_active Application Discontinuation
- 2003-11-25 CN CNA2003101154403A patent/CN1502525A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421573A (en) * | 2013-08-20 | 2015-03-18 | 常州山由帝武节能新材料制造有限公司 | Decorative heat preserving plate and refrigerating device using same |
| CN104421573B (en) * | 2013-08-20 | 2016-08-24 | 江苏山由帝奥节能新材股份有限公司 | A kind of decorative heat-preservation plate and apply the refrigerating equipment of this plate |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2002952956A0 (en) | 2002-12-12 |
| KR20040047626A (en) | 2004-06-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |