CN107107522A - The manufacture method of bag and portable bag - Google Patents

Abstract

【Technical problem】In the manufacture method that the bag of two closing ropes is filled with opening portion, by mechanical method, the structure that the first handle portions and the respective part of the second handle portions are protruded from front and rear rope body insert with cylindrical portion beyond the bag width is formed.【Solution】It regard one end of thermoplastic resin sheet thing as open end, it regard the other end as closed end, after notch blanking step, being formed makes with front and rear two the first rope bodies and the rope body insert cylindrical portion of the second rope body insert for one group, by the notch between two adjacent bags expose first rope body assigned position carry out welding, and the second rope body is similarly subjected to welding in assigned position, they are cut off, and is fused above-mentioned tablet along bag side line.

Description

The manufacture method of bag and portable bag

Technical field

The present invention relates to the manufacture method of the bag in opening portion with closing rope, specifically, it is related to be accommodated in The manufacture method for the bag received premised on outer bag.

Background technology

At present it is known that relating to the technology of the bag of pocket type, the bag of the pocket type is the letter for having used plastic sheet The bag easily constructed, in opening portion there is closing to restrict.

For example, the technology of the open plate substrate for relating to following bag and bag：In manufacturing process, by a plate substrate By bag body and rope portion integral production, thus, with by rope portion compared with the existing structure that bag body makes respectively, bag Manufacturing process is simple, and manufacture unit price is suppressed to relatively low (with reference to patent document 1).

In addition, disclosing following technology：The bag-like container and its manufacture method of a kind of simple construction with pocket type, The two edges side of bag-like container body forms the weld portion of heat fusing, will be inserted through the closing of the insertion portion set in opening edge The two ends of rope (upside occlusion and downside occlusion) are respectively with cutting off piece welding (with reference to patent document 2).

Moreover, the manufacture method for the refuse bag for relating to close rope with opening is also disclosed, in the refuse bag with closure rope In manufacture, in the assembling for eliminating existing wire rope handling process, using can disjunction opening into a ring-type of two in the width direction Mouth closure rope (with reference to patent document 3).

Furthermore it is known that relating to the technology of foldable bag, the foldable bag is to fold bag and closing rope and be packaged in storage The foldable bag being easily carried in outer bag, when in use, while the taking-up operation of stored bag is carried out, is opened up Open.

For example, the open technology for relating to handbag, the handbag is constituted in a pair of the dividing bodies linked via fracture Package body in be accommodated with the handbag being folded, one of opening portion closing rope (mobile division) of the handbag will be inserted through Two ends link (with reference to patent document 4) in the inner side of above-mentioned package body.

In addition, the technology for the foldable bag for relating to present inventor's invention is also disclosed, the foldable bag links via fracture The package body that constitutes of a pair of dividing bodies in store the bag being folded, two of opening portion closing ropes of the handbag will be inserted through The two ends of (the first rope body, the second rope body) link (with reference to patent document 5) in the inner side of above-mentioned package body.By with two envelopes Rope this point is closed, makes the operation of closed peristome easy.

As disclosed in the patent document 5, after the manufacturing process of bag, by folding process, in final sacker In sequence, the inner side of outer bag is being stored, the fore-end by the first rope body is the first handle portions (being symbol 31 in the document) and outer One end on the inside of bag (symbol 2) is melted by heat sealing method to be engaged, in addition, being the second handle portions by the leading section of the second rope body (symbol 32) melts engagement in the same manner as the other end on the inside of outer bag (symbol 2).

If it is considered that the packaging process, then, it is necessary to complete the first handle portions, second-hand in bag manufacturing process before Structure (the figure protruded with the respective part in portion being exceeded from rope body insert with cylindrical portion (symbol 14,15) width of the bag 2)。

But, in bag manufacturing process, the method that the structure is completed on machinery, in the patent document 5 or above-mentioned special Without open in sharp document 4, and as in above-mentioned 1~patent document of patent document 3 of the technical field associated also there is no suggestion that The record of this method.

Will rope body cut into as defined in after length, be organized into by human hand by the first handle portions, the second handle portions it is respective A part exceed the bag width prominent structure be extremely effective, it is expected that the technology of this method is realized in mechanization Exploitation.

In addition, on bag disclosed in above-mentioned patent document 4 and above-mentioned patent document 5 etc., being also not easily seen for setting The research of decapping operation can be carried out by being placed in the central fracture of bag (packaging bag).Therefore, it is desirable to which relevant consider bag (bag Pack) blank material soft or hard or thickness fracture technique improvement.

Prior art literature

Patent document

Patent document 1：Japanese Unexamined Patent Publication 10-181753 publications

Patent document 2：Japanese Unexamined Patent Publication 2001-192043 publications

Patent document 3：Japanese Unexamined Patent Publication 2002-36391

Patent document 4：No. 3156029 publications of Japanese Utility Model Registration Section No.

Patent document 5：Japanese Unexamined Patent Publication 2011-1091 publications

The content of the invention

Invent problem to be solved

Therefore, the present invention provides a kind of manufacture method of bag, and the system of the bag of two closing ropes has been loaded in opening portion Make in process, it is considered to follow-up packaging process, the first handle portions, respective one of the second handle portions are completed by the method for machinery The structure protruded with dividing the width for exceeding the bag with cylindrical portion from front and rear rope body insert.Additionally, it is provided a kind of have consideration The blank material of packaging bag or thickness contribute to portable bag that convenient Kaifeng of user readily constructs, simplify system Make the portable bag of process.

Technical teaching for solving the problem was

First aspect provides a kind of manufacture method of bag, it is characterised in that：In manufacture by extensible bag to fold State be accommodated in when storing the foldable bag in outer bag, a pair of side portions formation two ends before and after the opening portion of the bag is formed The rope body insert cylindrical portion being open, is possible to the of two independent ring-types that above-mentioned opening portion is closed with rounding state One rope body and the second rope body insert are configured to the cylindrical portion, and the first handle portions for restricting body are obtained in the deployed state and exceed the bag Width protruded from an open end of above-mentioned cylindrical portion, and the second rope body handle portions exceed the bag width from The state that another open end of above-mentioned cylindrical portion is protruded, the manufacture method of above-mentioned bag comprises the following steps：By thermoplastic resin Manufacturing line is passed out to after fat tablet Double Overlap, along the transport direction, by the tablet using one side as open end, Another side is supplied to regulation step as the mode of closed end, in the opening side of the tablet, will represent adjacent bag Border imaginary bag side line as approximate centre across the bag side line mode, by it is defined interval punching cut The step of oral area；Vicinity in above-mentioned open side, while being filled in the way of clipping above-mentioned tablet with transport direction abreast The first rope body of front side and the first rope body of rear side are filled out, while loading the second rope body of front side in the way of clipping above-mentioned tablet With the second of rear side restrict body the step of；The preceding surface that will be formed between two adjacent notch and the piece that respectively turns back on rear surface The step of being turned back to the respective outside of above-mentioned tablet；By the front and rear surfaces of the leading section of the above-mentioned piece that turns back and above-mentioned tablet point Other welding, forming internal insert has a rope body insert cylindrical portion of rope body, also, by the notch between two adjacent bags The two first rope bodies exposed, in front openings end to the imaginary bag side of the rope body insert cylindrical portion of follow-up bag The mutual welding in assigned position between on the extended line of line, and two that the notch between two adjacent bags is exposed Two rope bodies, on rearward openings end to the extended line of imaginary bag side line of the rope body insert cylindrical portion of leading bag Between the mutual welding in assigned position the step of；With by the cut-out of the welding position of above-mentioned rope body, and along imaginary bag side The step of sideline fuses above-mentioned tablet.

In addition, the manufacture method of the bag of second aspect is on the basis of first aspect, it is characterised in that：By adjacent The first rope body that notch between two bags exposes, leading bag rope body insert cylindrical portion open end to imagination Bag side line extended line untill assigned position carry out welding, also, by the notch between two adjacent bags Expose second rope body, follow-up bag rope body insert cylindrical portion open end to imaginary bag side line extension Assigned position untill line carries out welding, is cut off in the position.

In addition, the handbag that the third aspect provides a kind of state by folding be accommodated in packaging bag and constitute it is portable Bag, wherein, it is substantially rectangular when above-mentioned packaging bag using the dividing body for breaking guide portion link by being constituted and being overlooked, this is portable Formula bag is characterised by：Above-mentioned handbag is provided with the opening closure rope of two ring-types in opening portion, with the first closure rope One end is engaged with a dividing body in the tip inside of the dividing body, and one end of the second closure rope and another dividing body are in this point The state for cutting the tip inside engagement of body is contained, and above-mentioned guide portion of breaking is arranged alternately with：By a dividing body and another The linking part that dividing body links；With the non-link portion for separating a dividing body with another dividing body, the width in the non-link portion Degree is unequal.

In addition, the portable bag of fourth aspect is on the basis of the third aspect, it is characterised in that：It is above-mentioned to break guide portion In the non-link portion as the region for breaking starting be arranged to wider than the non-link portion width in the region beyond the region.

In addition, the portable bag of the 5th aspect is on the basis of fourth aspect, it is characterised in that：It is above-mentioned to break guide portion In the non-link portion as the region for breaking starting be arranged to the non-link portion narrow width than the region beyond the region.

In addition, the handbag that the 6th aspect provides a kind of state by folding be accommodated in packaging bag and constitute it is portable Bag, wherein, it is substantially rectangular when above-mentioned packaging bag using the dividing body for breaking guide portion link by being constituted and being overlooked, this is portable Formula bag is characterised by：Above-mentioned handbag, one is integratedly extended to handle portions from opening edge portion with bag portion, with One end of first handle portions is engaged with a dividing body in the tip inside of the dividing body, one end of the second handle portions and another Dividing body is contained in the state that the tip inside of the dividing body is engaged, and above-mentioned guide portion of breaking is arranged alternately with：By one point Cut the linking part that body links with another dividing body；With the non-link portion for separating a dividing body with another dividing body, it is somebody's turn to do The width in non-link portion is unequal.

Invention effect

According to the manufacture method of the bag of first aspect, two that the notch between two adjacent bags is exposed One rope body, on front openings end to the extended line of imaginary bag lateral margin line of the rope body insert cylindrical portion of follow-up bag Between the mutual welding in assigned position and cut off, also, similarly by two second exposed in the notch restrict bodies, leading Predetermined bits between on rearward openings end to the extended line of imaginary bag lateral margin line of the rope body insert cylindrical portion of bag Put mutual welding and cut off, therefore, in the stage completed in bag, the first rope body and the second rope body can be formed each at one end More than the prominent structure in width ground of bag.

If can be up to state as described above by the manufacture mechanization of bag, by the step described in second aspect Suddenly, from bag manufacturing process to folding process and the manufacture efficiency of final packaging process is greatly improved.

In addition, the portable bag according to the third aspect, can basis by making the width in non-link portion unequal Packaging blank material or thickness arbitrarily control decapping operation, as a result can provide convenience excellent portable bag.

In addition, according to the portable bag of fourth aspect, in the blank material of packaging bag thick situation or the solid feelings of the blank material Under condition, the joint-cutting line (suture) in the region of starting is broken by overstriking, widens the width that non-link portion is set, formation is broken The action of starting need not too energetically structure, also, the joint-cutting line of central portion is thinner than previous joint-cutting line, i.e. diminution by making The width in non-link portion is set, in the case of starting to break without intent, can also be prevented the dividing body of left and right is complete Full disjunction.

In addition, the portable bag according to the 5th aspect, soft in the thin situation of the blank material of packaging bag or the blank material In the case of, by the joint-cutting line of overstriking central portion, widen the width that non-link portion is set, easily carry out breaking action, and And, the width in setting non-link portion carefully, is i.e. reduced than joint-cutting line before by the joint-cutting line for making to break starting, can be prevented not Careful Kaifeng.

In addition, according to the portable bag of the 6th aspect, because existing handbag can be utilized, it is possible to simplify system Step is made, manufacturing expense can be suppressed relatively low.

Brief description of the drawings

Fig. 1 is to schematically show the top view for implementing the manufacturing line of the present invention.

Fig. 2 is the perspective illustration that enlarged representation opens side for convenience of description and partly.

Fig. 3 is the top view for representing bag with deployed condition.

Fig. 4 be represent by bag from Fig. 3 deployed condition folded in width obtained by first folded state vertical view Figure.

Fig. 5 is the stereogram for representing the transition midway from first folded state to the second folded state.

Fig. 6 is the top view for the second folded state for representing bag.

Fig. 7 is the stereogram for representing the bag of the second folded state being accommodated in the state before storing in outer bag.

Fig. 8 is the top view for representing the bag of the second folded state being accommodated in the state in outer bag of storing.

Fig. 9 is the top view for representing the both ends welding of the length direction by outer bag is stored and obtaining the state of foldable bag.

Figure 10 is to represent that outer bag will be stored to two side stretchings of length direction and to cut thread breakage and be accommodated in therein The stereogram of the deployed condition of bag expansion.

Figure 11 is the top view of a part for the manufacturing process for schematically showing the variation of the present invention.

Figure 12 is the top view for the portable bag for representing embodiment 2.

Figure 13 is the schematic diagram for the manufacturing process for representing packaging.

Figure 14 is the skeleton diagram for the structure for representing joint-cutting blade (circle).

Figure 15 is the schematic diagram for the production process for representing handbag.

Figure 16 is the top view for the deployed condition for representing handbag.

Figure 17 be represent by handbag from deployed condition width fold obtained by first folded state top view.

Figure 18 is the stereogram for representing the transition midway by handbag from first folded state to the second folded state.

Figure 19 is the top view for the second folded state for representing handbag.

Figure 20 is the stereogram for representing the state by the handbag storage of the second folded state within a package.

Figure 21 is the top view for representing the state by the handbag storage of the second folded state within a package.

Figure 22 is to represent portable bag to two side stretchings of length direction and be broken and be accommodated in breaking guide portion The stereogram of the state of handbag expansion therein.

Figure 23 is the top view for representing to be made an application examples of umbrella bag instead of handbag.

Figure 24 is the skeleton diagram for the structure for representing joint-cutting blade (banding).

Figure 25 is the top view for representing the portable bag in different embodiment.

Figure 26 is the top view for representing handbag for rain gear.

Figure 27 is the top view for representing handbag for apron.

Figure 28 is the top view for the handbag for representing that handbag is strap.

Figure 29 is the stereogram for representing existing bag.

Figure 30 is the figure for representing existing bag being folded and stowed in the situation in packing.

Figure 31 is to represent portable bag to two side stretchings of length direction and be broken and be accommodated in breaking guide portion The stereogram of the state of existing handbag expansion therein.

Embodiment

Hereinafter, based on brief description of the drawings embodiments of the present invention.

Embodiment 1

Based on accompanying drawing, the manufacture method to the bag of the present invention illustrates its process.

Fig. 1 is to schematically show the top view for implementing the manufacturing line of the present invention, shows the thermoplasticity to form bag 10 Resin tablet 1 is introduced manufacturing line from roller coiled strip is (not shown), and the step of be supplied to regulation.

Fig. 2 is figure of the supplementary notes as Fig. 1 of top view, for purposes of illustration only, being partly to amplify the side of open end 11 The perspective illustration of expression.Shown in present embodiment, will be above-mentioned in order to form the preceding surface 10a and rear surface 10b of bag The Double Overlap of thermoplastic resin sheet thing 1, using one side along transport direction R of the tablet 1 as after the completion of bag into For the open end 11 of opening portion 110 (Figure 10), another side is regard as the closed end as bottom 120 (Figure 10) after the completion of bag 12, supply the step of to regulation.

Here, first stopping each position of posetionof weld 17 of the rope body of posetionof weld 16, second to the first rope body shown in Fig. 2 Explanation.

The invention is not restricted to this embodiment.For example, it is also possible to which the two panels tablet of separation is overlapping and feed to manufacture Production line, when the process before notch blank operation described later or the implementation in the without prejudice to present invention, passes through welding Etc. the closed end for the bottom that method is formed into bag.

Or, it is initially the dual tablet that both sides are supplied as closed end, afterwards, can also be punched in notch When process before process or the implementation in the without prejudice to present invention, bag is formed into by known cutting-off method The open end of opening portion.

Also, the raw material of the bag of the present invention preferably use the thermoplastic resins such as polyethylene, but as long as without prejudice to is solved The realization of the technical scheme of problem of the present invention, then can also use other blank materials or the in the future new blank material to be developed.

Fig. 3 is the top view for the bag 10 that completion is represented with deployed condition, shows the first handle portions 201, the second handle portions A 211 respective parts protrude specific length P structure with exceeding the width W of the bag with cylindrical portion from rope body insert.In figure 30a, 30b chain-dotted line be denoted as target folding line when being set to first folded state in folding process described later, X is represented One side of bag 10, Y represents another side of bag 10.

Hereinafter, it is described in detail by process.

From its coiled strip (not shown) manufacturing line is fed in the thermoplastic resin sheet thing 1 of the material as bag 10 When, the notch 13 (Fig. 1, Fig. 2) in blank operation is set first.

Specifically, notch 13 will represent the bag of adjacent unfinished state in the side of open end 11 of the tablet 1 The imaginary bag side line S on the border of body 10 ' crosses over bag side line S mode as approximate centre, utilizes punching Unit (not shown) is punched and formed at a prescribed interval.

Then, to the defined position of the tablet 1 after punching, by the rope body feeding for being installed on manufacturing line (not shown) is loaded with front and rear two are one group the first rope body and (schemed similarly with the second rope body that front and rear two are one group 1st, Fig. 2).

Specifically, in the vicinity of the above-mentioned side of open end 11, by the first rope body 20a of front side with transport direction R abreast Loaded with the first of rear side the rope body 20b in the way of clipping above-mentioned tablet 1, and by the second rope body 21a of front side and Second rope body 21b of rear side is loaded (Fig. 2) in the way of clipping above-mentioned tablet 1.

Then, for the tablet 1 of rope body is filled with defined position, notch blank operation shape before is passed through Into the piece 14 that turns back in the side of open end 11 (Fig. 1, Fig. 2) is turned back laterally respectively on preceding surface, rear surface.

Specifically, it will be formed in the rope of bag first body within the piece 14a that turns back between adjacent two notch 13,13 The rope bodies of 20a and second 21a mode is turned back to the preceding surface 10a foreign sides of above-mentioned tablet 1, and is wrapped within the piece 14b that will turn back First rope body 20b and the second rope body 21b mode are turned back (Fig. 2) to the rear surface 10b foreign sides of above-mentioned tablet 1.

Then, for the mode of Bao Shengti within the piece that turns back is turned back after tablet 1, will turn back piece 14 and tablet 1 Preceding surface, rear surface utilize welding unit (not shown) welding in defined position 15, and will front and rear two rope body 20a with 20b and 21a and 21b is respectively in defined position welding (Fig. 1, Fig. 2).

Specifically, by the preceding surface 10a weldings of the above-mentioned piece 14a that turns back leading section and above-mentioned tablet 1, and will be upper State the leading section for the piece 14b that turns back and the preceding surface 10b weldings of above-mentioned tablet 1.Thus, formed internal insert have rope body 20a, 21a rope body insert cylindrical portion 140, and form the internal rope body insert cylindrical portion 141 inserted and have rope body 20b, 21b (Fig. 2).

Then, the first rope notch 13 between adjacent unfinished two bag f (10 '), g (10 ') exposed Body 20a, 20b, the rope body insert cylindrical portion from follow-up bag g front openings end 140b, 141b to imaginary bag Assigned position 16,16 between side line S extended line S ' is upper, utilizes welding unit (not shown) mutually welding (Fig. 1, Fig. 2).

Meanwhile, by the notch 13 between above-mentioned bag f (10 '), g (10 ') expose second rope body 21a, 21b, from Rearward openings end 140a, 141a to imaginary bag side line S of leading bag f rope body insert cylindrical portion extended line Assigned position 17 between S ', utilizes welding unit (not shown) mutually welding (Fig. 1, Fig. 2).

Then, above-mentioned rope body is cut off at welding position 16,17, and for above-mentioned tablet 1, by adjacent bag 10 ', 10 ' fuse along imaginary bag side line S.

Specifically, by the welding position 16,17 of above-mentioned rope body using cutting unit cut-out (not shown), and will be along The adjacent bag 10 ', 10 ' of imaginary bag side line S-phase, while being heated seal using the fusing (not shown) of known unit, one Side disjunction is into a side X and another side Y (Fig. 1).

More than, according to the present invention, on the structure of final packaging process is contributed to, i.e., in bag manufacturing process before In the first handle portions 201, the respective part of the second handle portions 211 exceed the width W of the bag with cylindrical portion from rope body insert Obtained by ground protrusion specific length P in structure, bag (Fig. 3) can be completed.

As a result, can will pass through folding process again to packaging process consistently mechanization from the manufacturing process of bag, it is real Now efficiently manufacture foldable bag.

Hereinafter, the folding process and packaging process of the then manufacturing process of above-mentioned bag are illustrated.

(folding process)

First, folding process is described in detail based on accompanying drawing.

Fig. 4 be represent by bag 10 from Fig. 3 deployed condition fold in width obtained by first folded state bowing In view, figure, 31a~31g represent to the second folded state fold when folding line.

The handle portions 211 of the rope body of handle portions 201 and second of the above-mentioned first rope body of the bag 10 of deployed condition will be linked Direction be set to first direction M, when orthogonal to that direction is set into second direction N (Fig. 3), along M in a first direction on phase Mutually separate and in a second direction N extend folding line 30a, 30b folded and be set to after first folded state (Fig. 4), along Second direction N is separated from each other and folding line 31a~31g of M extensions is folded (Fig. 5) in the first direction, completes the second rugosity State (Fig. 6).

So, by first folded state, the bag 10 as the second folded state is in the handle portions of the second rope body The state that a 211 front end M in the width direction end edge 7a is protruded outward, and the handle portions 201 of the first rope body front end from The state (Fig. 6) that another end edge 7b is protruded outward.

(packaging process)

Then, packaging process is described in detail based on accompanying drawing.

Fig. 7 is to represent the bag 10 of the second folded state being accommodated in center to be provided with to cut in the storage outer bag 3 of line 4 it The stereogram of preceding state.Fig. 8 is the vertical view for representing the bag of the second folded state being accommodated in the state in outer bag 3 of storing Figure.Fig. 9 is the top view for representing the both ends welding of the length direction by outer bag 3 is stored and obtaining the state of foldable bag 100.

The bag 10 as the second folded state by first folded state is fitted in (figure in storage outer bag 3 7th, Fig. 8), the one end of the length direction by the leading section of the handle portions 211 of the second rope body 21 with storing outer bag 3 is engaged, and is formed First junction surface 5, also, the other end of the length direction by the leading section of the handle portions 201 of the first rope body 20 with storing outer bag 3 Portion is engaged, and is formed the second junction surface 6, is derived from foldable bag 100 (Fig. 9).In addition, at the first junction surface 5 and the second junction surface 6 Between substantial middle position be formed with and cut line 4.

(use example of foldable bag)

When using the foldable bag 100, when the junction surface 5,6 at the two ends that the foldable bag 100 shown in Fig. 9 is caught with finger, It is preferred that catching the position 50,51 for clipping the engagement of handle portions 201,211 with finger, when being stretched to separated direction, store outer Bag 3 is broken cutting line 4, when further being stretched to separated direction, is released the bag 10 of folded state in outer bag 3 from storing Put, and bag 10 deploys simultaneously, as the deployed condition shown in Figure 10.

(variation 1)

Then, the variation of the manufacture method of the bag of the present invention is illustrated.

Figure 11 be schematically show the present invention variation manufacturing process a part top view, except first rope body and The welding of second rope body, off-position are different, and outside the variation point in the design of the adjoint difference, with implementation before Mode is identical.

That is, the first rope body notch 13 between adjacent unfinished two bag f (10 '), g (10 ') exposed 20a, 20b (are omitted) in Figure 11, in rearward openings end 140a, 141a of the rope body insert cylindrical portion 140 from leading bag f The assigned position 16 ' of (same to omit) to imaginary bag side line S extended line S ' between upper, (is not schemed using welding unit Show) mutually welding.

Meanwhile, second rope body 21a, 21b that the notch 13 between above-mentioned bag f (10 '), g (10 ') is exposed is (same Omit), it is extremely false with front openings end 140b, 141b (same to omit) of cylindrical portion 140 in the rope body insert from follow-up bag g Assigned position 17 ' between the bag side line S thought extended line S ', utilizes welding unit (not shown) mutually welding.

Afterwards, above-mentioned rope body is cut off at welding position 16 ', 17 ', and for above-mentioned tablet 1, by adjacent bag 10 ', 10 ' fuse along imaginary bag side line S.

So, it is changed to even in by the welding of the first rope body and the second rope body, off-position in the case of 16 ', 17 ', Also the effect equal with embodiment before is resulted in.

Embodiment 2

Secondly, for the portable bag of the present invention, illustrated below based on accompanying drawing.Figure 12 represents the present embodiment Portable bag 1-ad-a top view, shows in the vertical view constituted via the dividing body for breaking guide portion R-ad links The handbag 10-ad for the state being accommodated with the packaging bag PG of substantially rectangular shape after folding.

In guide portion R-ad is broken, the non-link broken in region E-ad-1, E-ad-3 of starting during as Kaifeng Portion R-ad-1 width is formed as wider than the width of the non-link portion R-ad-2 in middle section E-ad-2.

Specifically, the ratio of non-link portion R-ad-1 and non-link portion R-ad-2 width is " 2.5:1 "~" 3.5: 1 ", the ratio is the width for considering packaging bag in the way of clipping R-ad-2 formation R-ad-1 in the central portion for breaking guide portion Ground formation R-ad-2 ratio.Furthermore, it is possible to suitably change the blank material of packaging bag and the width of width and linking part.

As handbag 10-ad and packaging bag PG raw material, using polyethylene (PE), polypropylene (PP), gather to benzene two The so-called plastic foils such as formic acid glycol ester (PET) are used as monomer or compound blank material.In the present embodiment, using polyethylene Monomer.The thickness of film is preferably 50~100 μm, but as long as the problem of can solve the problem that the present invention, then the species of plastic foil and the film Thickness do not limit.

Illustrate packaging bag PG manufacture method based on Figure 13, Figure 14.

By polythene strip S-ad overlapping two (Figure 13 (a)), utilized along guiding imaginary line (dummy line) V-ad-1 is broken Joint-cutting blade (circle) A-ad forms joint-cutting line (suture) (Figure 13 (b)~(c)).A-ad is by growing for joint-cutting blade (circle) Blade A-ad-1 and short sword sword A-ad-2 (Figure 14) is constituted, and the joint-cutting line that joint-cutting blade A-ad is obtained is by the non-link of wide cut Portion R-ad-1 and than the non-link portion R-ad-1 narrow widths non-link portion R-ad-2 via linking part R-ad-3 (Figure 13 (d)) hand over For the joint-cutting line of formation.Moreover, in the present embodiment, to form wide cut in the end of each packaging bag according to the width of packaging bag Non-link portion R-ad-1 mode pre-adjusted.

After the i.e. desired joint-cutting line of guide portion is broken in formation, implement molten along packaging bag fusing separation imaginary line V-ad-2 Disconnected separation processing, obtains packaging bag PG-1~PG-4.

Then, the production process based on brief description of the drawings handbag 10-ad.

The shoulder excision pinch off blade of dual polythene strip 100-ad (Figure 15 (a)) top enclosed from four sides or so 101-ad, 101-ad, in order to form the opening portion of handbag, from notch 13-ad insertion cutters etc., cut the top of closing 102-ad is opened (Figure 15 (b)).

Then, in order to the opening portion set 2 ring-type rope bodies be the first rope body 110-ad, second rope body 111-ad, profit Wind the ring-type rope body with turn back piece 103-ad, 104-ad, in order to formed rope body insert cylindrical portion (in Figure 22, symbol 14-ad, 15-ad), processed by the thermal welding for the leading section of the piece that turns back to be fixed on to piece body, formation weld portion 105-ad, 106-ad (Figure 15, Figure 22).

Figure 16 is the top view that the handbag 10-ad for completing the process Jing Guo the above is represented with deployed condition, is shown First rope body 110-ad handle portions 110-ad-a, the second rope body 111-ad respective parts of handle portions 111-ad-a are from rope Body insert protrudes specific length P-ad with exceeding handbag 10-ad width W-ad with cylindrical portion 14-ad (15-ad) to the left and right Structure.

Chain-dotted line 11-ad in figure represent in folding process described later when being set to first folded state as folding line Imaginary line (dummy line), X-ad represents a handbag 10-ad side, and Y-ad represents handbag 10-ad another side.

Hereinafter, the folding process and packaging process of the handbag are illustrated.

(folding process)

First, folding process is described based on accompanying drawing in detail.

Figure 17 be represent by handbag 10-ad from Figure 16 deployed condition folded in width obtained by the first rugosity In the top view of state, figure, 12-ad-a~12-ad-g represent to the second folded state fold when the imaginary line as folding line.

By the ropes of handle portions 110-ad-a and second of the first rope body in the handbag 10-ad (Figure 16) for linking deployed condition The handle portions 111-ad-a of body direction is set to first direction M-ad, when orthogonal to that direction is set into second direction N-ad, It is separated from each other along M-ad in a first direction and imaginary line 11-ad, 11-ad (Figure 16) of N-ad extensions is rolled in a second direction It is folded and be set to after first folded state (Figure 17), along being separated from each other and prolong along M-ad in the first direction in second direction N-ad Imaginary line 12-ad-a~the 12-ad-g stretched is folded (Figure 18), completes the second folded state (Figure 19).

So, by first folded state, the handbag 10-ad as the second folded state is in the second rope body 111- The state that an ad handle portions 111-ad-a M-ad in the width direction end edge 17-ad-a is protruded outward, and the first rope body The state (Figure 19) that 110-ad handle portions 110-ad-a is protruded outward from another end edge 17-ad-b.

(packaging process)

Then, it is described in detail based on accompanying drawing and handbag 10-ad is received into packaging bag PG, completes portable bag 1-ad-a The process of (Figure 12).

Figure 20 is to represent that the handbag 10-ad of the second folded state is accommodated in into central be provided with breaks guide portion R-ad The stereogram of state before in packaging bag PG.Figure 21 is to represent the handbag 10-ad of the second folded state being accommodated in packaging The top view of state in bag PG.Moreover, representing to obtain both ends 2-ad, 3-ad welding of packaging bag PG long side direction The top view of portable bag 1-ad-a state is as shown in figure 12.

The handbag 10-ad as the second folded state by first folded state is fitted in packaging bag PG (Figure 20, Figure 21), the second rope body 111-ad handle portions 111-ad-a is engaged with the one end of packaging bag PG long side direction, Form the first junction surface 2-ad, also, by the first rope body 110-ad handle portions 110-ad-a and packaging bag PG long side direction The other end engagement, formed the second junction surface 3-ad, be derived from portable bag 1-ad-a (Figure 12).

(use example of foldable bag)

When using handbag 10-ad, when the engagement at the two ends that the portable bag 1-ad shown in Figure 12 is caught with finger Portion 2-ad, 3-ad, preferably catch position 20-ad, the 30-ad for clipping the engagement of handle portions 111-ad-a, 110-ad-a with finger, to During separated direction stretching, packaging bag PG is breaking guide portion R-ad fractures, when further being stretched to separated direction, The handbag 10-ad of folded state is released from packaging bag PG, and handbag 10-ad deploys simultaneously, as Figure 22 institutes The deployed condition shown.

, can be in the case where the thick situation of the blank material of packaging bag or the blank material be solid, by adding according to present embodiment The joint-cutting line in the region of rough disconnected starting, the width for widening setting non-link portion, the action for breaking starting do not need great strength Structure, also, the joint-cutting line of central portion is thinner than previous joint-cutting line, reduce the width in setting non-link portion, i.e., by making Make in the case where starting to break without intent, can also prevent by the complete disjunction of the dividing body of left and right, so as to provide ease for use Good portable bag.

(application examples 1)

Figure 23 represents the application examples for shaping the handbag 10-ad of above-mentioned embodiment as umbrella bag 20-ad.The application examples In, except the shape of bag portion be set to it is long in the vertical direction and with forward end go it is thinner, so that umbrella shape shape this point can be stored On, and with the change and the change that occurs in commonly used process, operation outside, including effect with it is above-mentioned Embodiment disclosed in it is identical.

(variation 2)

Figure 24 is to represent to replace joint-cutting blade (circle) A-ad in above-mentioned embodiment and use joint-cutting blade (banding) The skeleton diagram of the structure for joint-cutting blade (banding) B-ad that B-ad is used in the variation to manufacture packaging bag PG.

When being illustrated to the packaging bag P-ad of this variation manufacture method, embodiment as in the previous, by polyethylene Piece is overlapping two, along guiding imaginary line is broken, utilizes joint-cutting blade (banding) B-ad formation joint-cutting lines.Joint-cutting blade (the band Shape) B-ad is made up of long blade B-ad-1 and short sword sword B-ad-2 (Figure 24), the joint-cutting line of joint-cutting blade B-ad formation be by The joint-cutting line that the wide non-link portion of width and the width non-link portion narrower than the linking part are alternatively formed via linking part.Afterwards, Formation is broken after the i.e. desired joint-cutting line of guide portion, is implemented fusing separation processing along packaging bag fusing separation imaginary line, is obtained Multiple packaging bags, such process is identical with embodiment before.

Though it is not described in detail, in this variation, with making joint-cutting blade B-ad relative to the driving that sheet above back and forth drives Device, and it is respectively provided with the necessary structure for carrying out fusing separation processing.

In addition, in the case where setting the breakthrough part as joint-cutting line (suture) to sheet above, there is the removing insertion " punching " of the material in portion and do not remove the breakthrough part material " excision ".Excision is less prone to waste material in the fabrication process, It is advantageous to but as long as this variation is also in this way, the problem of can solve the problem that the present invention, then be just not particularly limited.

(variation 3)

Figure 25 is the figure of the portable bag 1-ad-b for the variation for representing above-described embodiment top view.

In this variation, in guide portion R-ad is broken, region E-ad-1, E-ad-3 for breaking starting during as Kaifeng In non-link portion R-ad-2 width be formed as narrow width than the non-link portion R-ad-1 in middle section E-ad-2.

Specifically, the ratio of non-link portion R-ad-1 and non-link portion R-ad-2 width is " 2.5:1 "~" 3.5: 1 ", the ratio is the width for considering packaging bag in the way of clipping R-ad-1 formation R-ad-2 in the central portion for breaking guide portion Ground formation R-ad-1 ratio.Furthermore, it is possible to suitably change the blank material of packaging bag and the width of width and linking part.

According to this variation, overstriking can be passed through in the case where the thin situation of the blank material of packaging bag or the blank material are soft The joint-cutting line of central portion, the width for widening setting non-link portion so that easily carry out breaking action, also, by making to break The joint-cutting line of starting carefully, i.e. reduces the width in setting non-link portion than joint-cutting line before, can prevent casual Kaifeng, carry For the good portable bag of ease for use.

(application examples 2)

As the further application examples for the above-mentioned packaging bag for being conceived to fracture, in addition to raincoat etc. " rain gear " (Figure 26), " apron " (Figure 27), band " god's label " or " label " handbag (Figure 28) or the interior outsourcing for being surrounded by monomers such as " label " can also be applied to Pack.

Embodiment 3

Then, below, the different embodiments of the portable bag based on the brief description of the drawings present invention.Figure 29 is to represent existing Polyolefin bag K stereogram, a pair of handle portions t1, t2 are integratedly extended from opening edge with bag portion.This reality Apply in example, be related to portable bag instead of the bag 10-ad of embodiment 2, using the bag K of existing polyolefin, rolled over Fold and be accommodated in above-mentioned packaging bag PG and constitute.

This bag of K folding process, packaging process is same as Example 2.

(folding process)

By by the bag K of the polyolefin from deployed condition to first direction (M-ad-2 in Figure 29) fold obtained by first Folded state, i.e. with after Figure 16 and Figure 17 identical folding process in embodiment 2, in the same manner as Figure 18 in the embodiment 2 Folded to second direction (N-ad-2 in Figure 29), complete the second folded state (Figure 30 (a)).Now, handle portions t1, t2 turn into from The state that the bag portion of folding is protruded to the left and right.

(packaging process)

It is identical with the packaging process in embodiment 2, the bag K of the polyolefin of above-mentioned second folded state is received into packaging In bag PG (Figure 30 (b)), afterwards, the both ends of long side direction are engaged and welding with handle portions t1, t2, the present embodiment is completed Portable bag (Figure 30 (c)).The details of process are same as Example 2, therefore, omit here.

(use example of foldable bag)

In portable bag (Figure 30 (c)) using the present embodiment completed, when catching the two of long side direction with finger End and to separated direction stretch when, packaging bag PG breaking guide portion R-ad fracture, when further to separated side To during stretching, the bag K of the said polyolefins of folded state is discharged from packaging bag PG, while expansion, as Figure 31 Shown deployed condition.

According to present embodiment, existing bag can be utilized by being accommodated in the bag of packaging bag, therefore, except can simplify manufacture work Outside sequence, manufacturing expense can also suppress relatively low.

Industrial applicability

The manufacture method of the bag of the present invention is not particularly limited such as suitable for the manufacture method refuse bag.Separately Outside, portable bag of the invention, the object being accommodated in packaging bag is not limited to above-mentioned disclosure, can utilized extensively.

The explanation of reference

1 tablet

3 store outer bag

4 cut line

5 first junction surfaces

6 second junction surfaces

The end edge of the bag of 7 folded states

10 bags

11 open ends

12 closed ends

13 notch

14 turn back piece

15 weld portions

16 first rope body weld portions

17 second rope body weld portions

20 first rope bodies

21 second rope bodies

30 folding lines (first folded state)

31 folding lines (the second folded state)

50 clip the position of the part engagement of the first rope body

51 clip the position of the part engagement of the second rope body

100 foldable bags

The opening portion of 110 bags

The bottom of 120 bags

140th, 141 rope body insert cylindrical portion

The handle portions of 201 first rope bodies

The handle portions of 211 second rope bodies

The portable bags of 1-ad

The junction surfaces of 2-ad first

The junction surfaces of 3-ad second

10-ad handbags

11-ad imaginary lines (first folded state)

12-ad imaginary lines (the second folded state)

13-ad notch

14-ad rope body insertion portions

15-ad rope body insertion portions

16-ad opening portions

The end edge of the handbag of 17-ad folded states

20-ad clips the position of the part engagement of the first rope body

30-ad clips the position of the part engagement of the second rope body

100-ad handbag unfinished works

101-ad pinch off blade

102-ad turns into the top of opening portion

103-ad turns back piece

104-ad turns back piece

105-ad weld portions

The rope bodies of 110-ad first

The handle portions of the rope bodies of 110-ad-a first

The rope bodies of 111-ad second

The handle portions of the rope bodies of 111-ad-a second

A-ad joint-cuttings blade (circle)

A-ad-1 knives (length)

A-ad-2 knives (short)

B-ad joint-cuttings blade (banding)

B-ad-1 knives (length)

B-ad-2 knives (short)

PG packaging bags

R-ad breaks guide portion

R-ad-1 non-links portion (big)

R-ad-2 non-links portion (small)

R-ad-3 linking parts

S-ad polythene strips

V-ad-1 breaks guiding imaginary line

V-ad-2 packaging bags fusing separation imaginary line

The bag of K polyolefin

T handle portions.

Claims (6)

1. a kind of manufacture method of bag, it is characterised in that：

When extensible bag is accommodated in and stores the foldable bag in outer bag by manufacture with the state folded,

A pair of side portions form the rope body insert cylindrical portion of both ends open before and after the opening portion of the bag is formed, by energy First rope body of enough two independent ring-types that the opening portion is closed with rounding state and the second rope body insert are configured to this Cylindrical portion, is opened while width of the handle portions more than the bag of the first rope body is obtained in the deployed state from one of the cylindrical portion Mouth end is protruded, and the second handle portions for restricting body are protruded with exceeding the width of the bag from another open end of the cylindrical portion State,

The manufacture method of the bag comprises the following steps：

Manufacturing line will be passed out to after thermoplastic resin sheet thing Double Overlap, along the transport direction, by the tablet with While as open end, another side is supplied to regulation step as the mode of closed end, will in the opening side of the tablet Represent adjacent bag border imaginary bag side line as approximate centre across the bag side line mode, by rule The step of fixed interval is punched notch；

Vicinity in the open side, while loading front side in the way of clipping the tablet with transport direction abreast The first rope body and rear side the first rope body, while loading the second rope body and rear side of front side in the way of clipping the tablet Second rope body the step of；

The preceding surface that will be formed between two adjacent notch and the piece that respectively turns back on rear surface are respective to the tablet The step of outside is turned back；

The front and rear surfaces of the leading section of the piece that turns back and the tablet are distinguished into welding, forming internal insert has the rope of rope body Body insert cylindrical portion, also, the two first rope bodies that the notch between two adjacent bags is exposed, in follow-up bag Rope body insert cylindrical portion front openings end to the extended line of imaginary bag side line between assigned position phase Mutual welding, and the two second rope bodies that the notch between two adjacent bags is exposed, are inserted in the rope body of leading bag With the step of the mutual welding in assigned position between on rearward openings end to the extended line of imaginary bag side line of cylindrical portion Suddenly；With

By it is described rope body welding position cut-out, and along imaginary bag side line the tablet is fused the step of.

2. the manufacture method of bag according to claim 1, it is characterised in that：

The first rope body that notch between two adjacent bags is exposed, in the rope body insert cylindrical portion of leading bag Assigned position of the open end untill the extended line of imaginary bag side line carries out welding, also,

The second rope body that notch between two adjacent bags is exposed, in the rope body insert cylindrical portion of follow-up bag Assigned position of the open end untill the extended line of imaginary bag side line carries out welding, is cut off in the position.

3. a kind of handbag of state by folding is accommodated in the portable bag constituted in packaging bag, wherein, the packaging It is substantially rectangular when bag using the dividing body for breaking guide portion link by being constituted and being overlooked, the feature of the portable bag exists In：

The handbag is provided with the opening closure rope of two ring-types in opening portion, with one end of the first closure rope and a segmentation Body is engaged in the tip inside of the dividing body, and second closes the tip inside of one end of rope and another dividing body in the dividing body The state of engagement is contained,

The guide portion of breaking is arranged alternately with：The linking part that one dividing body and another dividing body are linked；With by one The non-link portion that dividing body is separated with another dividing body,

The width in the non-link portion is unequal.

4. portable bag according to claim 3, it is characterised in that：

Described non-link portion as the region for breaking starting broken in guide portion is arranged to than the region beyond the region The non-link portion width it is wide.

5. portable bag according to claim 4, it is characterised in that：

Described non-link portion as the region for breaking starting broken in guide portion is arranged to than the region beyond the region The non-link portion narrow width.

6. a kind of handbag of state by folding is accommodated in the portable bag constituted in packaging bag, wherein, the packaging It is substantially rectangular when bag using the dividing body for breaking guide portion link by being constituted and being overlooked, the feature of the portable bag exists In：

The handbag, one is integratedly extended to handle portions from opening edge portion with bag portion, with the first handle portions One end is engaged with a dividing body in the tip inside of the dividing body, and one end of the second handle portions is with another dividing body in this point The state for cutting the tip inside engagement of body is contained,

The guide portion of breaking is arranged alternately with：The linking part that one dividing body and another dividing body are linked；With by one The non-link portion that dividing body is separated with another dividing body,

The width in the non-link portion is unequal.