CN111003381A - Drawstring bag and manufacturing method thereof - Google Patents

Drawstring bag and manufacturing method thereof Download PDF

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Publication number
CN111003381A
CN111003381A CN201911389161.3A CN201911389161A CN111003381A CN 111003381 A CN111003381 A CN 111003381A CN 201911389161 A CN201911389161 A CN 201911389161A CN 111003381 A CN111003381 A CN 111003381A
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CN
China
Prior art keywords
film
bag
bag body
strip
sheet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201911389161.3A
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Chinese (zh)
Inventor
常江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Yiside Logistics Technology Co Ltd
Original Assignee
Beijing Yiside Logistics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Yiside Logistics Technology Co Ltd filed Critical Beijing Yiside Logistics Technology Co Ltd
Priority to CN201911389161.3A priority Critical patent/CN111003381A/en
Publication of CN111003381A publication Critical patent/CN111003381A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/0006—Flexible refuse receptables, e.g. bags, sacks
    • B65F1/002—Flexible refuse receptables, e.g. bags, sacks with means for opening or closing of the receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
    • 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
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • 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
    • B31B70/8134—Applying strings; Making string-closed bags
    • B31B70/8136—Applying strings; Making string-closed bags the strings being applied in the cross direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B65F2001/1653—Constructional features of lids or covers
    • B65F2001/1676—Constructional features of lids or covers relating to means for sealing the lid or cover, e.g. against escaping odors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Refuse Receptacles (AREA)

Abstract

The invention relates to a drawstring garbage bag which comprises a bag body, wherein a strip-shaped thickness area is formed on the outer surface of the bag body, the thickness area protrudes towards the outer surface of the bag body, the strip-shaped thickness area on one side of the bag body extends to the bottom of the bag body from the edge of an opening of the bag body, at least one end of the strip-shaped thickness area is provided with an easy-to-open part, through grooves are formed in two sides of the opening of the bag body, and two sides of the opening of the bag body penetrate through the through grooves through tightening belts to be connected.

Description

Drawstring bag and manufacturing method thereof
Technical Field
The invention relates to the field of garbage bag supplies, in particular to a drawstring garbage bag.
Background
At present, four-part garbage bags are produced, wherein the four-part garbage bags comprise kitchen garbage, other garbage, harmful garbage and recyclable garbage. According to the quartering method, the plastic garbage bag belongs to other garbage and is mainly incinerated, so when the kitchen garbage is thrown, the kitchen garbage needs to be thrown into the garbage can, and the garbage bag needs to be thrown into the other garbage, but certain liquid exists in the kitchen garbage, and odor is volatile to the air, generally, people need to seal the top of the garbage bag, and no way is available for separately pouring out the kitchen garbage, so that the problem that how to realize convenient sealing of the opening of the garbage bag and pouring out of the garbage to realize auxiliary garbage classification is the problem to be solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a drawstring garbage bag, which solves the problems that the odor of kitchen garbage volatilizes, the air environment is influenced and the convenience in use is realized.
The technical scheme for solving the technical problems is as follows: the utility model provides a draw rope disposal bag, includes the bag body, bag external surface forms bar thickness region, thickness region is protruding to bag external surface, bag body one side bar thickness region extends to bag body bottom from bag body opening part edge, the portion of easily opening has been seted up to the regional at least one end of bar thickness, bag body opening part both sides are provided with logical groove, bag body opening part both sides are passed through the tightening belt passes logical groove is connected.
Further, the bag body comprises a first film and a second film, through grooves are formed in the top positions of the first film and the second film respectively, and the bottoms of the first film and the second film are folded in half and then are connected in a heat sealing mode.
Further, the strip-shaped thickness area is horizontally formed on the surfaces of the first piece of film and the second piece of film and close to the position of the opening of the bag body.
The beneficial effects brought by the technical scheme at least comprise: make things convenient for people to classify and prevent that the interior smell of disposal bag from volatilizing to rubbish, the area of tightening makes things convenient for people to remove and pack rubbish, uses the drawstring disposal bag to take in after rubbish from cooking as people, will tighten up the area and tie a knot at bag body opening part and prevent that rubbish from cooking smell from volatilizing to the air, no matter what angle people are when pouring rubbish the disposal bag all can find easily tear the strip and easily open the portion fast, destroys the disposal bag.
The invention aims to provide a manufacturing method of a drawstring garbage bag, and solves the problem of how to provide the manufacturing method of the drawstring garbage bag.
The technical scheme for solving the technical problems is as follows: a method of manufacturing a drawstring garbage bag, comprising S1: melting the raw materials;
s2: filtering and extruding the melted raw materials;
s3: blowing a film on the extruded raw material;
s4: stretching and drawing the film after film blowing to form a cylindrical film sheet, and forming strip-shaped thickness bulges on the outer surface or/and the inner surface of the cylindrical film sheet locally;
s5: cooling;
s6: cutting one side of the cylindrical film sheet to form two film sheets with connected bottoms to form a first film sheet and a second film sheet;
s7: turning the edges of the ends, far away from the bottom connection, of the first film and the second film inwards, and then respectively performing heat sealing on the edges and the surfaces of the two films to form through grooves;
s8: die-cutting a notch in the middle or two end positions of the two through grooves;
s9: die-cutting at least one end of the strip-shaped thickness bulge to form an easy-to-open part;
s10: placing two tightening belts in the two through grooves;
s11: heat-sealing two ends of the first film and the second film;
s12: die cutting one end of the first piece of film and one end of the second piece of film to form a single bag size;
s13: and (6) forming the bag.
Further, a step S12-1 is included between the step S12 and the step S13: and horizontally folding the first piece of film and the second piece of film to form a two-fold, four-fold or eight-fold bag, wherein the step S12-1 and the step S13 comprise the step S12-2: and heat-sealing one ends of the folded first film and the second film, which are far away from the tightening rope.
Further, the positions of the step S8 and the step S9 may be exchanged with each other and may be performed simultaneously.
Further, in the step S9, an easy-open portion is die-cut at one end of the strip-shaped thickness protrusion.
Further, the step S8-1 is included between the step S8 and the step S9: and printing zipper pictures and texts on the outer side of the strip-shaped thickness bulge formed on the surface of the film.
The beneficial effects brought by the technical scheme at least comprise: a method of manufacturing a drawstring garbage bag is provided.
Drawings
FIG. 1 is a schematic view of the overall structure of the drawstring garbage of the present invention;
fig. 2 is a schematic view of the whole structure of the drawstring garbage.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the bag comprises a bag body, 2, a thickness area, 3, an easy-opening portion, 4, a through groove, 5, a tightening belt, 6, a first film, 7 and a second film.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "center", "inner", "outer", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figures 1 and 2, the invention provides a drawstring garbage bag, which comprises a bag body 1, wherein a strip-shaped thickness area 2 is formed on the outer surface of the bag body 1, the thickness area 2 protrudes towards the outer surface of the bag body 1, the strip-shaped thickness area 2 on one side of the bag body 1 extends to the bottom of the bag body 1 from the edge of an opening of the bag body 1, at least one end of the strip-shaped thickness area 2 is provided with an easy-opening part 3, two sides of the opening of the bag body 1 are provided with through grooves 4, two sides of the opening of the bag body 1 are connected by penetrating through the through grooves 4 through a tightening belt 5, the drawstring garbage bag facilitates people to classify garbage and prevent odor in the garbage bag from volatilizing, the tightening belt 5 facilitates people to move and pack garbage, when people use the drawstring garbage bag to contain kitchen garbage, the tightening belt 5 is knotted at the opening of the, the strip-shaped thickness area 2 is equivalent to an easy-tearing strip, for convenience of description and understanding, all the easy-tearing strips described in the application are strip-shaped thickness areas 2, the easy-tearing strip areas are formed by the bag body 1 and are positioned at positions close to the opening of the bag body 1, the easy-tearing strips extend from one side of the bag body 1 to the other side of the bag body 1, namely the easy-tearing strips are horizontally formed on the surface of the bag body 1, at least one end of each easy-tearing strip is provided with an easy-opening part 3, one end of each easy-tearing strip is arranged to be penetrated by the easy-tearing strips 3, therefore, the easy-tearing strips are close to the opening of the bag body 1 to prevent the garbage from seeping out from the easy-opening part 3, when the bag is used, people can use the bag for containing kitchen garbage, because the kitchen garbage can contain liquid, the bag body 1 has stronger sealing performance, when the easy-tearing strips are formed close to the bottom, application scope can be more extensive, and the preferred is to open 3 one ends that are close to 1 opening part of the bag body at easy tear strip with easy opening part, and direct when people fall the surplus rubbish in kitchen break 3 along the orbit of easy tear strip with easy opening part, need not untie the rope that will tighten up, and convenient to use, easy opening part 3 set up to "U" type, and the other end of opening direction orientation easy tear strip, what need explain is: easily tear strip position thickness and be greater than other thickness of the bag body 1, and thickness is poor at two to twenty times, easily tear the strip and be provided with two to two hundred strips, as long as there is one "U" type easily open portion 3 and open and can realize easily opening the function in the 1 opening part of the bag body of easily tearing the strip and open, because easily tear the strip be the bar region that the bag body 1 surface is thick, consequently, the setting of a plurality of easily tear the strip can play the effect of reinforcing bag body 1 intensity, easily open portion 3 can also set up more than two or two, so no matter what angle people are in when pouring rubbish the disposal bag all can find easily tear the strip and easily open portion 3 fast, destroy the disposal bag, the disposal bag of this patent application conveniently packs the disposal bag, prevent that the smell of rubbish in the disposal bag from volatilizing, it needs to explain: the tightening belt 5 is two connecting belts with a belt-shaped structure, two ends of one connecting belt can penetrate through two through groove 4 openings on one side of the bag body 1 and then penetrate out from the other ends of the two through groove 4 to be knotted, the other connecting belt penetrates through two through grooves 4 on the other side of the bag body 1 and penetrates out from the other end to be knotted, the rope can penetrate through one through groove opening in the rope threading process, then enters from an opening adjacent to the other through groove and then comes out from the other end, namely, the two through grooves are wound into a circle to form a ring shape, then the connecting belt is knotted end to end, similarly, one rope is wound into a circle to be knotted end to end, only one connecting belt can be penetrated, when the opening of the garbage bag is closed, the knotted part of the two connecting belts is directly pulled towards the direction far away from the bag body 1, at the opening of the bag body 1 is gradually, the two connecting bands are respectively arranged in the two through grooves, two ends of each connecting band are fixedly connected with two ends of each through groove, and when the bag is used, the two connecting bands are directly pulled outwards through the drawstring opening to tighten up the opening of the bag.
As shown in fig. 2, the drawstring garbage bag of the present invention may further include, on the basis of the above-described technical solution: the bag body 1 includes first piece membrane 6 and second piece membrane 7, first piece membrane 6 with the top position of second piece membrane 7 is provided with logical groove 4 respectively, first piece membrane 6 with heat seal is connected after the fifty percent discount of second piece membrane 7 bottom, and reinforcing bottom leakproofness, better holding rubbish, the easy tear strip forms on first piece membrane 6 and second piece membrane 7 on the surface, makes things convenient for people to find its position when using.
As shown in fig. 1 and 2, the drawstring garbage bag of the present invention may further include, on the basis of the above-described technical solutions: the strip-shaped thickness area 2 is horizontally formed on the surfaces of the first sheet of film 6 and the second sheet of film 7 and close to the opening of the bag body 1, and the two through grooves 4 are formed because one ends of the first sheet of film 6 and the second sheet of film 7 are turned over towards the inner parts and then the edge positions are bonded with the surfaces or are connected in a heat sealing mode, and the heat sealing mode in the application can be realized through ultrasonic heat sealing or other modes.
The present invention provides a method of manufacturing a drawstring garbage bag, comprising S1: melting the raw materials; s2: filtering and extruding the melted raw materials; s3: blowing a film on the extruded raw material; s4: stretching and drawing the film after film blowing to form a cylindrical film sheet, and forming strip-shaped thickness bulges on the outer surface or/and the inner surface of the cylindrical film sheet locally; s5: cooling; s6: cutting one side of the cylindrical sheet membrane to form two sheet membranes with connected bottoms to form a first sheet membrane 6 and a second sheet membrane 7; s7: the edges of one ends, far away from the bottom connection, of the first film 6 and the second film 7 are turned inwards and then are respectively heat-sealed with the surfaces of the two films to form through grooves 4; s8: a notch is cut in the middle or two end positions of the two through grooves 4 by a die; s9: die-cutting at least one end of the strip-shaped thickness bulge to form an easy-to-open part 3; s10: two tightening belts are placed in the two through grooves 4; s11: heat-sealing both ends of the first sheet of film 6 and the second sheet of film 7; s12: die cutting the first sheet of film 6 and the second sheet of film 7 at one end to form a single bag size; s13: bag shaping, the application provides a method makes leash disposal bag, solves people and is realizing easily opening supplementary waste classification and prevent the volatile problem of rubbish smell, needs the concrete explanation be: the method comprises the steps of putting raw material master batches for manufacturing the garbage bag into a material outlet of an extruder, heating and melting the raw material master batches to form a fluid state or a colloid, extruding the liquefied raw material from an output end of the extruder after passing through a filter in the extruder, blowing the film by a film blowing machine, conveying the blown film to a tractor for traction and stretching due to the fact that a longitudinal strip-shaped through hole is formed in the surface of the side wall of a die cover of the film blowing machine, enabling a sheet film blown out through a die head to be cylindrical, forming a longitudinal strip-shaped area with thickness being larger than the rest part of the cylindrical sheet film on the surface of the side wall of the cylindrical sheet film, cutting one side of the cylindrical sheet film to form two sheet films with connected bottoms, flattening the cylindrical sheet film, namely enabling the inner surfaces of the two sheet films to be in contact and one side of the garbage bag to be integrally formed and connected, three-terminal opening, the one end of keeping away from with a body coupling one end is used for placing rubbish and uses for the opening part after the top surface is also the disposal bag shaping, the bottom surface of disposal bag after two slice membrane body couplings's one end is the shaping, keep away from first slice membrane 6 and second slice membrane 7 that the one end edge that the bottom links to each other is turned over the interior back of rolling over respectively with two surface heat-seal formation logical groove 4, then will have the bar bellying of thickness also be the one end cross cutting of being close to breach department of easily tearing the strip and go out easily opening portion 3, easily opening portion 3 can be: the U-shaped notch can be in a zipper shape, the U-shaped notch is taken as an example, the opening of the U-shaped notch faces the other side of the easily torn strip, the opening of the garbage bag is convenient, when the notch is die-cut at the two ends of the through groove, then the two sides of the two films are heat-sealed, only one end far away from the integrally connected bottom surface is an opening, the two ends of the two through grooves 4 are die-cut to form notches for the penetration of the tightening rope, the tightening rope penetrates into the through groove 4 and is knotted, when the opening of the tightening rope is arranged at the middle position of the through groove, the two tightening ropes are respectively arranged in the two through grooves, the two ends of the tightening rope and the two ends of the through groove are heat-sealed together, the plurality of first films 6 and the plurality of second films 7 are die-cut into the size of a single bag or the plurality of single bags are connected in a point-breaking mode, namely the die-cutting can completely cut the two bags, or the two bags can, at this time, the bag forming is completed, and it should be noted that: the thickness bulge on the surface of the bag can be a bulge on the outer surface of the bag and can be a bulge on the inner surface of the bag, the part with the thickness bulge is also an easy-tearing strip after the garbage bag is formed, when the U-shaped easy-opening part 3 can be arranged at one end or two ends of the easy-tearing strip, the U-shaped easy-opening part 3 penetrates through the easy-tearing strip part, at least one strip-shaped thickness bulge on the surface of the cylindrical sheet film can be arranged, when the U-shaped easy-opening part is two, the U-shaped easy-opening part 3 can be respectively positioned on the two side surfaces of the formed bag, when the garbage bag is formed and the bag is vertically placed, the easy-tearing strip is in a horizontal state, the draw rope garbage bag is formed by using the manufacturing method, so that when people discard kitchen garbage, the garbage bag is packaged by a tightening rope and is convenient to move, the odor of the garbage is prevented from volatilizing, then the easy-tearing strip 3 is directly pulled up from one end to directly damage the easy-tearing strip, then throw into the garbage bin of other rubbish with the disposal bag in, supplementary waste classification and make things convenient for people to use more.
The drawstring garbage bag of the invention can also be based on the technical scheme described above: between the step S12 and step S13, a step S12-1 is included: the first sheet of film 6 and the second sheet of film 7 are horizontally folded to form a two-fold, four-fold or eight-fold bag, and the steps between S12-1 and S13 include steps S12-2: one ends, far away from the tightening rope, of the first film 6 and the second film 7 after being folded are subjected to heat sealing, the first film 6 and the second film 7 are horizontally folded along the center line, one ends, far away from the tightening rope, of the first film 6 and the second film 7 are further subjected to direct heat sealing, and the strength of the bottom of the formed bag is enhanced.
The drawstring garbage bag of the invention can also be based on the technical scheme described above: the positions of the step S8 and the step S9 may be exchanged with each other and may be performed simultaneously.
The drawstring garbage bag of the invention can also be based on the technical scheme described above: in step S9, the easy-to-open portion 3 is die-cut at one end of the strip-shaped thickness protrusion, and after one end of the easy-to-tear strip is damaged, the easy-to-tear strip is continuously straightened along the track until the other end of the easy-to-tear strip is reached without breaking the whole easy-to-tear strip, so that the garbage can be prevented from splashing due to the applied force, and the use is facilitated.
The drawstring garbage bag of the invention can also be based on the technical scheme described above: between the S8 and the step S9, S8-1: zipper pictures and texts are printed on the outer sides of the strip-shaped thickness protrusions formed on the surface of the sheet film partially, and the pictures and texts can be printed between the step S5 and the step S6 to prompt people of the position of the easy-to-tear strip on the garbage bag, so that the garbage bag is convenient for people to use.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. A drawstring garbage bag is characterized in that: including the bag body (1), the bag body (1) surface forms bar thickness region (2), thickness region (2) are protruding to bag body (1) surface, bag body (1) one side bar thickness region (2) extend to bag body (1) bottom from bag body (1) opening part edge, easy opening portion (3) have been seted up to bar thickness region (2) at least one end, bag body (1) opening part both sides are provided with logical groove (4), bag body (1) opening part both sides are passed through tightening belt (5) pass through groove (4) are connected.
2. The delineator bag of claim 1, wherein: the bag body (1) comprises a first film (6) and a second film (7), through grooves (4) are respectively formed in the top positions of the first film (6) and the second film (7), and the first film (6) and the second film (7) are folded in half and then are connected in a heat sealing mode.
3. The delineator bag of claim 2, wherein: the strip-shaped thickness area (2) is horizontally formed on the surfaces of the first film (6) and the second film (7) and is close to the opening of the bag body (1).
4. The method of manufacturing a drawstring garbage bag according to claim 3, wherein: the method comprises the following steps:
s1: melting the raw materials;
s2: filtering and extruding the melted raw materials;
s3: blowing a film on the extruded raw material;
s4: stretching and drawing the film after film blowing to form a cylindrical film sheet, and forming strip-shaped thickness bulges on the outer surface or/and the inner surface of the cylindrical film sheet locally;
s5: cooling;
s6: cutting one side of the cylindrical sheet membrane to form two sheet membranes with connected bottoms to form a first sheet membrane (6) and a second sheet membrane (7);
s7: the edges of one ends, far away from the bottom, of the first film (6) and the second film (7) which are connected are turned inwards and then are respectively heat-sealed with the two surfaces to form through grooves (4);
s8: notches are die-cut in the middle or two end positions of the two through grooves (4);
s9: die-cutting at least one end of the strip-shaped thickness bulge to form an easy-to-open part (3);
s10: two tightening belts are placed in the two through grooves (4);
s11: heat-sealing two ends of the first film (6) and the second film (7);
s12: die-cutting one end of the first sheet of film (6) and one end of the second sheet of film (7) to form a single bag size;
s13: and (6) forming the bag.
5. The method of manufacturing a drawstring garbage bag according to claim 4, wherein: between the step S12 and step S13, a step S12-1 is included: the first piece of film (6) and the second piece of film (7) are horizontally folded to be made into two-fold, four-fold or eight-fold, and the step S12-1 and the step S13 comprise the step S12-2: and heat-sealing one ends of the folded first film (6) and the second film (7) far away from the tightening rope.
6. The method of manufacturing a drawstring garbage bag according to claim 5, wherein: the positions of the step S8 and the step S9 may be exchanged with each other and may be performed simultaneously.
7. The method of manufacturing a drawstring garbage bag according to claim 6, wherein: in the step S9, an easy-open portion (3) is die-cut from one end of the strip-shaped thickness protrusion.
8. The method of manufacturing a drawstring garbage bag according to claim 7, wherein: the step S8-1 is included between the step S8 and the step S9: and printing zipper pictures and texts on the outer side of the strip-shaped thickness bulge formed on the surface of the film.
CN201911389161.3A 2019-12-30 2019-12-30 Drawstring bag and manufacturing method thereof Withdrawn CN111003381A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911389161.3A CN111003381A (en) 2019-12-30 2019-12-30 Drawstring bag and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911389161.3A CN111003381A (en) 2019-12-30 2019-12-30 Drawstring bag and manufacturing method thereof

Publications (1)

Publication Number Publication Date
CN111003381A true CN111003381A (en) 2020-04-14

Family

ID=70118290

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911389161.3A Withdrawn CN111003381A (en) 2019-12-30 2019-12-30 Drawstring bag and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN111003381A (en)

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