WO2022078408A1 - 一种防内壁被二次污染的复合纸纸袋卷包装 - Google Patents

一种防内壁被二次污染的复合纸纸袋卷包装 Download PDF

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Publication number
WO2022078408A1
WO2022078408A1 PCT/CN2021/123620 CN2021123620W WO2022078408A1 WO 2022078408 A1 WO2022078408 A1 WO 2022078408A1 CN 2021123620 W CN2021123620 W CN 2021123620W WO 2022078408 A1 WO2022078408 A1 WO 2022078408A1
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WIPO (PCT)
Prior art keywords
paper bag
bag roll
paper
sealing
heat
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Application number
PCT/CN2021/123620
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English (en)
French (fr)
Inventor
陈云龙
Original Assignee
上海耶京实业有限公司
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Publication date
Priority claimed from CN202022285864.6U external-priority patent/CN214058454U9/zh
Priority claimed from CN202120776045.3U external-priority patent/CN215852750U/zh
Application filed by 上海耶京实业有限公司 filed Critical 上海耶京实业有限公司
Publication of WO2022078408A1 publication Critical patent/WO2022078408A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/67—Containers, packaging elements or packages, specially adapted for particular articles or materials for web or tape-like material
    • B65D85/671—Containers, packaging elements or packages, specially adapted for particular articles or materials for web or tape-like material wound in flat spiral form
    • B65D85/672—Containers, packaging elements or packages, specially adapted for particular articles or materials for web or tape-like material wound in flat spiral form on cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/28—Wound package of webs

Definitions

  • the present application relates to the technical field of food and beverage packaging, and more particularly to a composite paper bag for food and beverage packaging.
  • the commonly used food and beverage packaging in the market are mainly made of paper, plastic, ceramics, glass, cans and other materials, each with its own advantages and strengths.
  • paper bags as a type of paper packaging, are widely used in food and beverages due to their economy, convenience and practicality. It is widely used in the field of packaging.
  • the general-purpose paper bag for food is of a type that is always open at one end.
  • One end of the paper bag is open when it is manufactured.
  • This kind of paper bag with one end open is frequently exposed to the external environment, especially In public places with a lot of traffic, the inner wall of the paper bag is likely to be eroded by bacteria from the external environment, and there is a risk of endangering public health.
  • the purpose of this application is: in order to solve the problem that the general food paper bag is always open at one end, and the paper bag is manufactured, that is, one end is open, and the inner wall of the paper bag is likely to be eroded by bacteria from the external environment, and there is a risk of endangering public health.
  • a composite paper bag roll packaging that prevents secondary pollution of the inner wall.
  • the present application provides a composite paper bag roll package that prevents secondary pollution of the inner wall
  • the composite paper paper bag roll package includes a paper bag roll and an inner core
  • the paper bag roll is formed and wound on the inner core
  • the inner core It is located in the paper bag roll
  • the paper bag roll adopts the flexible packaging composite paper with heat-sealing properties, and meets the requirements of food hygiene and has the characteristics of folding and forming.
  • the thickness of the base paper of the flexible packaging composite paper ranges from 0.04mm to 0.25mm.
  • the inner wall surface is a composite layer with heat-sealing properties of the flexible packaging composite paper;
  • the paper bag roll includes: a left border line, a right border line, at least two folding lines, a heat-sealing back sealing area, a plurality of heat-sealing transverse sealing areas, and a plurality of non-input filling areas
  • the structural unit on the paper bag roll consisting of the non-input filling area and the upper and lower adjacent heat-sealing horizontal sealing areas is an independent self-isolating, completely sealed all around and the inner wall is empty in the middle. Enter the closed paper bag in the filling state, and the main part of the paper bag roll can be used as a rolled paper bag string composed of closed paper bags connected in series.
  • the flexible packaging composite paper used in the paper bag roll is food-grade coated paper with heat sealing properties and a single-sided coating layer of PP or PE.
  • the flexible packaging composite paper used in the paper bag roll is food-grade coated paper with heat-sealing properties and a single-sided coating layer of biodegradable PLA.
  • the flexible packaging composite paper used in the paper bag roll is a food-grade coated paper that can be recycled with pulp and has a heat-sealing property coating on one side.
  • the number of left and right tracks of the folding line of the paper bag roll is greater than or equal to three.
  • the adjacent heat-sealing transverse sealing areas of the paper bag roll are arranged in parallel at equal intervals in the length direction of the paper bag roll.
  • the paper bag roll can be pre-set with position identification marks that can be recognized by sensors, the position identification marks are arranged in parallel and spaced apart in the length direction of the paper bag roll, and the position identification marks can be Determine the position of the corresponding heat-sealing horizontal sealing area, and keep the distance between each heat-sealing horizontal sealing area and its corresponding preset position identification mark in the length direction of the paper bag roll equal, which can indirectly ensure that the adjacent heat-sealing horizontal sealing area on the paper bag roll is in the paper bag. Spacing along the length of the roll.
  • all or part of the ends of the paper bag roll at one or both ends of the paper bag roll coincide with the boundary of the adjacent heat-sealing transverse sealing area.
  • the paper bag roll further comprises an easy tearing line.
  • each closed paper bag is only cut out of the paper bag roll to become an open-end paper bag when in use, and then the inner wall of the paper bag begins to contact the external environment, that is, when the paper bag is not cut.
  • each closed paper bag is in a completely sealed package and serial connection state, which avoids the problem of secondary pollution of the inner wall of the paper bag by external environmental bacteria when it is not cut.
  • Fig. 1 is the first embodiment of the application---the outline schematic diagram of single folded edge PP coated paper bag roll packaging;
  • Fig. 2 is the outline schematic diagram presented after the end of the paper bag roll in the single-folded PP coated paper bag roll package shown in Fig. 1 is opened;
  • Fig. 3 is the unfolded plan view of the coated paper used for forming the paper bag roll in the single-folded PP coated paper paper bag roll packaging shown in Fig. 1;
  • Fig. 4 is the left and right sides of the flat-coated paper used for the roll forming of the paper bag roll in the single-folded PP coated paper paper bag roll package shown in Fig. 1 , each of which is folded in the coated layer paper relative to each other;
  • Fig. 5 shows the left and right sides of the flat coated paper used for forming the paper bag roll in the single-folded PP coated paper bag roll packaging shown in Fig. 1, respectively folded 180 degrees into the coated layer paper to be flat.
  • Fig. 6 is the schematic diagram of heat-sealing back-sealing after folding 180 degrees to the left and right sides of the PP-coated paper used for forming the paper bag roll in the single-folded PP-coated paper paper bag roll packaging shown in Fig. 1;
  • Fig. 7 is the schematic diagram of equidistant interval heat sealing and horizontal sealing during the forming process of the paper bag roll in the single-folded PP coated paper bag roll package shown in Fig. 1;
  • Figure 8 is the single-folded PP coated paper bag roll package shown in Figure 1, after the paper bag roll is heat-sealed and horizontally sealed during the forming process, it is wound and wound on the inner core to form a paper bag roll, and then the paper bag roll and the inner core are made into a complete paper bag roll Schematic diagram of the packaging;
  • Fig. 9 is the single folded edge PP coated paper bag roll package shown in Fig. 1, the unfolded schematic diagram of the paper bag roll package when a single closed paper bag is cut;
  • Fig. 10 is the single folded edge PP coated paper bag roll package shown in Fig. 1, and a single closed paper bag is cut from the paper bag roll into a flat schematic diagram of an open end paper bag;
  • Figure 11 is a schematic diagram of the single-fold edge PP coated paper bag roll package shown in Figure 1, which is cut into a paper bag with an opening at one end and is stretched at the opening;
  • Fig. 12 is the second embodiment of the application---three folded edges with color-coded PLA-coated paper bag roll packaging outline schematic diagram;
  • Figure 13 is a schematic diagram showing the appearance of the roll end of the paper bag in the three-folded edge with color-coded PLA-coated paper bag roll package shown in Figure 12 after opening;
  • Figure 14 is a schematic diagram of the unfolded plan view of the PLA coated paper used for forming the paper bag roll in the three-folded edge band color-coded PLA coated paper paper bag roll package shown in Figure 12;
  • Fig. 15 shows a position identification mark printed on the reverse side (non-coated side) of the unfolded flat PLA-coated paper used for the roll forming of the paper bag roll in the three-folded edge with color-coded PLA-coated paper bag roll packaging shown in Fig. 12 - Schematic diagram of color scale arrangement;
  • Figure 16 is a schematic diagram of the three-folded edge and color-coded PLA coated paper paper bag roll packaging shown in Figure 12 on the left and right sides of the rolled flat PLA coated paper used for forming the paper bag roll, and folded symmetrically three times respectively;
  • Figure 17 shows the left and right sides of the flat PLA coated paper used for forming the paper bag roll in the three-folded color-coded PLA coated paper bag roll packaging shown in Figure 12, and folded 180 degrees symmetrically each three times to be flat.
  • Figure 18 is a schematic diagram of the PLA coated paper used for forming the paper bag roll in the three-folded edge with color-coded PLA-coated paper paper bag roll packaging shown in Figure 12, and the left and right sides of the PLA-coated paper are folded and flattened to be flat and formed after the heat-sealing back sealing is completed;
  • Fig. 19 is a schematic diagram of the equidistant interval heat sealing and horizontal sealing during the forming process of the paper bag roll in the three-folded edge band color-coded PLA-coated paper bag roll package shown in Fig. 12;
  • Fig. 20 shows that the PLA coated paper used for forming the paper bag roll in the packaging of the three-folded edge with color-coded PLA-coated paper paper bag roll shown in Fig. 12 is wound and wound on the inner core to form a paper bag roll after heat sealing and horizontal sealing, and then the paper bag is formed.
  • Fig. 21 is the three-folded edge color-coded PLA-coated paper bag roll package shown in Fig. 12, and the unfolded schematic diagram of the paper bag roll package when a single closed paper bag is cut;
  • Figure 22 is a flat schematic diagram of the three-folded edge color-coded PLA-coated paper bag roll package shown in Figure 12, when a single closed paper bag is cut from the paper bag roll into a paper bag with one end open;
  • FIG. 23 is a schematic diagram of the three-folded edge color-coded PLA-coated paper bag roll package shown in FIG. 12, cut into a paper bag with an opening at one end and being stretched at the opening.
  • Fig. 24 is a targeted modification of the second embodiment shown in Fig. 12, another folded form before heat sealing and back sealing.
  • Fig. 1 is the first embodiment of the application---the outline schematic diagram of single-fold edge PP-coated paper bag roll packaging
  • Fig. 2 is the open end of the paper bag roll in the single-fold edge PP-coated paper bag roll package shown in Fig. 1
  • the outline schematic diagram presented later is used to illustrate the overall structure of the single-folded PP coated paper bag roll packaging.
  • the single-folded PP coated paper bag roll package includes an inner core 1 and a paper bag roll 2.
  • the inner core 1 is arranged in the paper bag roll 2, and the material of the inner core 1 is PA 6 nylon, which is roughly in the shape of a hollow cylinder with an inner diameter of 76 mm, an outer diameter of 86 mm, and a length of 130 mm.
  • the inner core 1 has an axis X about which it can rotate.
  • the inner core 1 serves as a supporting member of the paper bag roll 2 , and the paper bag roll 2 is formed, wound, and wound around the inner core 1 .
  • the paper bag roll 2 can rotate around the axis X along with the inner core 1, so that it is convenient for the operator to remove the paper bag from the single folded edge PP coated paper bag roll.
  • Figures 3-7 show the forming steps of the paper bag roll 2 of the single folded edge PP coated paper bag roll.
  • Paper bag roll 2 adopts food grade PP coated paper 0201 with base paper thickness specification of 0.11mm and single-sided coating layer thickness of 20 g/m2.
  • PP coated paper 0201 undergoes major processes such as unwinding, folding molding, heat-sealing back sealing, heat-sealing horizontal sealing, etc., and is formed in series in the form of rolls in the length direction, independent self-isolation, completely sealed around and in the middle of the inner wall Multiple closed paper bags in an empty, no-input filled state.
  • FIG. 3 is a schematic plan view of the unfolding of the coated paper used for forming the paper bag roll in the single-folded PP coated paper paper bag roll package shown in FIG. 1 .
  • the unfolded planar PP coated paper 0201 is in the shape of a long strip, which has a left boundary line 02011 and a right boundary line 02012 arranged parallel to the longitudinal direction of the PP coated paper 0201 .
  • the surface of the unfolded planar PP coated paper 0201 facing the observer is the PP coated layer, and this surface is the inner wall surface of the paper bag roll 2 after the paper bag roll 2 is formed.
  • Figure 4 is a schematic diagram of the left and right sides of the unfolded flat coated paper used for forming the paper bag roll in the single folded PP coated paper paper bag roll packaging shown in Figure 1, and each is folded relative to the coated layer paper.
  • Figure 5 is a schematic diagram of the left and right sides of the unfolded flat coated paper used for forming the paper bag roll in the single folded PP coated paper paper bag roll packaging shown in Figure 1, each of which is folded 180 degrees into the coated layer paper relative to each other.
  • the folded PP coated paper 0201 is flattened, the left border line 02011 is located on the right side of the right border line 02012, and an overlapping area is formed between the left border line 02011 and the right border line 02012.
  • Fig. 6 is the schematic diagram of heat-sealing back-sealing after the left and right sides of the PP-coated paper used for forming the paper bag roll in the single-folded PP-coated paper paper bag roll package shown in Fig. 1 are folded 180 degrees and formed.
  • the PP coated paper 0201 is folded and formed, the PP coated paper 0201 is closed by heat sealing in the overlapping area between the left border line 02011 and the right border line 02012.
  • the heat seal adhesive portion is referred to as the heat seal back seal area 020112.
  • the entire overlap area is heat-sealed and bonded, so the width of the overlap area is equal to the width of the heat-sealed back-sealing area.
  • the heat-sealing bonding method adopted for the heat-sealing back-sealing area is called heat-sealing back-sealing.
  • FIG. 7 is a schematic diagram of the equidistant interval heat sealing and horizontal sealing during the forming process of the paper bag roll in the single-folded PP coated paper paper bag roll package shown in FIG. 1 .
  • a plurality of heat-sealing transverse sealing areas 020512 are arranged in the length direction of the PP coated paper 0201 to form a plurality of closed paper bags.
  • Each heat-sealing transverse sealing area 020512 is perpendicular to the length direction of the PP coated paper 0201, and its length is bounded by the left folding line 02021 and the right folding line 02022.
  • the front and rear inner walls of the paper bag roll 2 where the heat-sealing cross-sealing area 020512 is located are completely heat-sealed and bonded by means of heat-sealing and bonding, and this embodiment is referred to as heat-sealing cross-sealing in the context.
  • Each heat-sealing horizontal sealing area 020512 is continuously and equally spaced and arranged in parallel in the length direction of the PP coated paper 0201, and the size and shape are equal.
  • the area between the upper and lower adjacent heat sealing and horizontal sealing areas 020512 becomes the non-input filling area 020521.
  • the sealing barrier of the upper and lower adjacent heat-sealing transverse sealing areas 020512 isolates the non-input filling area 020521 from the external environment, and the non-input filling areas 020521 are arranged in parallel at equal intervals in the length direction of the PP coated paper 0201.
  • the first heat-sealing transverse sealing area 020512 may not necessarily be formed along the first end (lower end) of the PP coated paper 0201, so that the first heat-sealing transverse sealing area 020512 and PP are not necessarily formed.
  • a paper bag roll end 02001 is formed between the first ends of the coated paper 0201.
  • the last heat-sealing horizontal sealing area 020512 may not necessarily be formed along the second end (upper end) of the PP coated paper 0201, so that the last heat-sealing horizontal sealing area 020512 and the second end of the PP coated paper 0201 will be formed.
  • a paper bag roll end 02001 is formed between.
  • those skilled in the art should know that the end 02001 of the paper bag roll can be coincident with the first and/or the last heat-sealing transverse sealing area 020512 under the condition of strict control of precision.
  • the width of the unfolded flat PP coated paper 0201 is 270mm
  • the distance between the left border line 02011 and the left fold line 02021 is 70mm
  • the distance between the right border line 02012 and the right fold line 02022 is 70mm
  • the left fold line 02022 is 70mm.
  • the distance between 02021 and the right folding line 02022 is 130mm
  • the height of the heat-sealing horizontal sealing area 020512 is 10mm
  • the width of the heat-sealing back sealing area 020112 is 10mm
  • the distance between the adjacent heat-sealing horizontal sealing areas 020512 is 164mm.
  • Figure 8 is the single-folded PP coated paper bag roll package shown in Figure 1, after the paper bag roll is heat-sealed and horizontally sealed during the forming process, it is wound and wound on the inner core to form a paper bag roll, and then the paper bag roll and the inner core are made into a complete paper bag roll Schematic diagram of the packaging.
  • the paper bag roll 2 made of PP coated paper 0201 is wound on the inner core 1, and connected to other equipment through the inner core 1.
  • the inner core 1 may not be provided, and the paper bag roll 2 may be used directly.
  • Fig. 9 is the unfolded schematic diagram of the roll packaging of the single folded PP coated paper bag shown in Fig. 1, when the single closed paper bag is cut.
  • a single closed paper bag is cut from the paper bag roll 2 along the cutting line 02072 to form an open-end paper bag, and the remaining uncut sealed paper bags are still sealed and serially connected to the paper bag roll 2.
  • the first cutting line 02072 is set close to the second heat-sealing cross-sealing area 020512, and the second cutting line 02072 is close to the third heat-sealing cross-sealing area 020512 Set, and so on, the nth cutting line 02072 is set close to the n+1th heat sealing transverse sealing area 020512.
  • the distance between the nth cutting line 02072 and the n+1th heat-sealing transverse sealing area 020512 is 10 mm.
  • other methods can also be adopted, such as setting an easy tearing line near the heat-sealing transverse sealing area 020512, and the user can tear the paper bag from the paper bag roll 2 via the easy tearing line instead of the cutting line 02072.
  • Fig. 10 is the single-folded PP coated paper bag roll package shown in Fig. 1, a flat schematic diagram of a single closed paper bag being cut from the paper bag roll into a paper bag with one end open, the flat shape here refers to the state where the paper bag is laid flat and not opened
  • Figure 11 is a single folded edge PP coated paper bag roll package shown in Figure 1, which is cut into a schematic diagram of an open end paper bag being stretched at the opening, which is used to show the specific structure of the paper bag.
  • each closed paper bag has a width of 130mm and a height of 184mm.
  • each closed paper bag is cut off from the paper bag roll 2 to become an open-end paper bag only when in use, and the inner wall of the paper bag begins to contact the external environment at this time, that is, when not in use, every
  • Each closed paper bag is in a completely sealed package and serial connection state, which avoids the problem of secondary contamination of the inner wall of the paper bag by germs from the external environment when it is not cut.
  • Fig. 12 is the second embodiment of the application - a schematic diagram of the appearance of a three-folded edge with a color-coded PLA coated paper bag roll
  • Fig. 13 is a three-folded edge with a color-coded PLA coated paper bag roll package shown in Fig. 12.
  • a schematic diagram of the appearance is shown, which is used to show the overall structure of the three-folded edge with color-coded PLA-coated paper bag roll packaging.
  • the three-folded edge color-coded PLA coated paper bag roll package includes an inner core 10 and a paper bag roll 20 .
  • the inner core 10 is arranged in the paper bag roll 20, and the material of the inner core 10 is PA 6 nylon, which is roughly in the shape of a hollow cylinder, with an inner diameter of 76 mm, an outer diameter of 86 mm, and a length of 170 mm.
  • the inner core 10 has an axis X about which it can rotate.
  • the inner core 10 serves as a supporting member of the paper bag roll 20 , and the paper bag roll 20 is formed, wound, and wound around the inner core 10 .
  • the paper bag roll 20 can rotate around the axis X along with the inner core 10, so that it is convenient for the operator to remove the paper bag from the three-folded edge color-coded PLA coated paper bag roll.
  • FIGs 14-19 show the forming steps of the paper bag roll 20 with three folded edges and color-coded PLA coated paper bag roll.
  • the paper bag roll 20 is made of food-grade PLA coated paper 2011 with a base paper thickness specification of 0.10 mm and a single-sided PLA coating layer thickness of 25 g/m2.
  • Food-grade PLA coated paper 2011 is formed in series in the form of rolls in the length direction after the main processes of unfolding, folding molding, heat sealing back sealing, heat sealing and transverse sealing, independent self-isolation, completely sealed around.
  • a plurality of closed paper bags in an empty state with no input filling in the middle of the inner wall.
  • FIG. 14 is a schematic diagram of the unfolded plan view of the PLA coated paper used for forming the paper bag roll in the three-folded edge color-coded PLA coated paper paper bag roll package shown in FIG. 12 .
  • the unfolded planar PLA coated paper 2011 is in the shape of a long strip, which has a left boundary line 20111 and a right boundary line 20112 arranged parallel to the longitudinal direction of the PLA coated paper 2011 .
  • the surface of the unfolded planar PLA coated paper 2011 facing the observer is the PLA coated layer, and this surface is the inner wall surface of the paper bag roll 20 after the paper bag roll 20 is formed.
  • Fig. 15 shows the flat PLA coated paper 2011 printed on the reverse side (non-coated side) for the roll forming of the paper bag in the three-folded edge with color-coded PLA coated paper bag roll packaging as shown in Fig. 12.
  • Schematic diagram of the marking-color scale arrangement As shown in Fig. 15, the color code 20121 is rectangular, which is arranged on the left side of the non-coated surface of the PLA coated paper at equal intervals in the length direction of the PLA coated paper.
  • the color mark 20121 can be recognized by the color mark sensor, so the position of the heat-sealing transverse sealing area 201612 (shown more clearly in FIG. 19 ) can be determined by the color mark 20121 .
  • the size of the color markers 20121 is 20mm ⁇ 10mm, the distance between the center of each color marker 20121 and the left border line 20111 is 45mm, and the equidistant spacing of the color markers 20121 in the length direction of the PLA coated paper 2011 is 164mm.
  • the position identification mark can also take other forms, and is not limited to the color scale shown in the embodiment.
  • Fig. 16 is a schematic diagram of the left and right sides of the unfolded flat PLA coated paper used for forming the paper bag roll 20 in the three-folded PLA coated paper bag roll packaging with color code shown in Fig. 12, and three times of symmetrical folding respectively.
  • the paper bag roll 20 in the second embodiment has three left hemming lines 20131 , 20132 , 20133 and three right hemming lines arranged parallel to the length direction of the PLA coated paper 20134, 20135, 20136.
  • the left side of the unfolded flat PLA coated paper 2011 is folded three times along the length direction parallel to the flat PLA coated paper 2011, so that the first left folding line 20131, the second left folding line 20132 and the third left folding line are The 20133 is arranged in a V-shape.
  • fold the right edge of the PLA coated paper 2011 parallel to the length direction of the planar PLA coated paper 2011 three times, so that the first right folding line 20134, the second right folding line 20135 and the third right folding line 20136 are also V-shaped. font layout.
  • the sum of the distance between the left border line 20111 and the first left fold line 20131 and the distance between the right border line 20112 and the first right fold line 20134 is greater than the distance between the third left fold line 20133 and the third right fold line 20136, the second The distance between the left fold line 20132 and the second right fold line 20135 is smaller than the distance between the third left fold line 20133 and the third right fold line 20136 .
  • Fig. 17 is a schematic diagram of the left and right sides of the unfolded flat PLA coated paper used in the packaging of the three-folded PLA coated paper paper bag roll packaging with color code shown in Fig. 12, and folded 180 degrees symmetrically three times respectively.
  • the color stop 20121 is located in the area between the left border line 20111 and the first left fold line 20131 .
  • Figure 18 is a schematic diagram of the PLA coated paper used for forming the paper bag roll in the three-folded edge color-coded PLA coated paper paper bag roll package shown in Figure 12 , after the left and right sides of the PLA coated paper are folded and flattened, and the heat-sealed back sealing is completed.
  • the PLA coated paper 2011 is folded and formed, the PLA coated paper 2011 is closed by heat sealing in the overlapping area between the left border line 20111 and the right border line 20112.
  • the heat seal adhesive portion is referred to as the heat seal back seal area 201112.
  • the overlapped area is all heat-sealed and bonded, so the width of the overlapped area is equal to the width of the heat-sealed back-sealing area.
  • FIG. 19 is a schematic diagram of the equidistant interval heat sealing and horizontal sealing during the forming process of the paper bag roll in the three-folded edge color-coded PLA-coated paper bag roll package shown in FIG. 12 .
  • a plurality of heat-sealing transverse sealing areas 201612 are arranged in the length direction of the PLA coated paper 2011 to form a plurality of closed paper bags.
  • Each heat-sealing transverse sealing area 201612 is perpendicular to the length direction of the PLA coated paper 2011 , and its length is bounded by the third left folding line 20133 and the third right folding line 20136 .
  • the front and rear inner walls of the paper bag roll 20 where the heat-sealing transverse sealing area 201612 is located are completely heat-sealed and bonded by means of heat-sealing.
  • the heat-sealing transverse sealing areas 201612 are continuously and equally spaced and arranged in parallel in the length direction of the PLA coated paper 2011, and have the same size and shape.
  • the center distance of each heat-sealing transverse sealing area 201612 and its corresponding color code in the length direction of the paper bag roll 20 is kept at 30 mm, which indirectly ensures the distance between adjacent heat-sealing transverse sealing areas 201612 and the adjacent colors.
  • the standard spacing is the same as 164mm.
  • the area between the upper and lower adjacent heat sealing and horizontal sealing areas 201612 becomes the non-input filling area 201621 .
  • the sealing barrier of the upper and lower adjacent heat-sealing transverse sealing areas 201612 isolates the non-input filling area 201621 from the external environment, and the non-input filling areas 201621 are arranged in parallel at equal intervals in the length direction of the PLA coated paper 2011.
  • the first heat-sealing area 201612 may not necessarily be formed along the first end (lower end) of the PLA coated paper 2011, so that the first heat-sealing area 201612 and PLA will be formed in the first heat-sealing area 201612.
  • a paper bag roll end 20101 is formed between the first ends of the coated paper 2011 .
  • the last heat-sealing horizontal sealing area 201612 may not necessarily be formed along the second end (upper end) of the PLA coated paper 2011, so that the last heat-sealing horizontal sealing area 201612 and the second end of the PLA coated paper 2011 will be formed.
  • a paper bag roll end 20101 is formed therebetween.
  • the paper bag roll end 20101 may coincide with the first and/or last heat-sealing transverse sealing area 201612.
  • the width of the unfolded flat PLA coated paper 2011 is 430mm
  • the distance between the first left fold line 20131 and the left border line 20111 is 90mm
  • the distance between the first right fold line 20134 and the right border line 20112 is 90mm.
  • the distance between the first left folding line 20131 and the second left folding line 20132 and the distance between the second left folding line 20132 and the third left folding line 20133 are both 20 mm.
  • the distance between the first right fold line 20134 and the second right fold line 20135 and the distance between the second right fold line 20135 and the third right fold line 20136 are both 20mm
  • the distance between the third left fold line 20133 and the third right fold line 20136 is 170mm.
  • the width of the heat-sealing back sealing area 201112 and the heat-sealing transverse sealing area 201612 are both 10 mm
  • the distance between adjacent heat-sealing transverse sealing areas 201612 is 164 mm.
  • Fig. 20 shows that the PLA coated paper used for forming the paper bag roll in the packaging of the three-folded edge with color-coded PLA-coated paper paper bag roll shown in Fig. 12 is wound and wound on the inner core to form a paper bag roll after heat sealing and horizontal sealing, and then the paper bag is formed.
  • the paper bag roll 20 made of PLA coated paper 2011 is wound on the inner core 10, and is connected with other equipment through the inner core 10.
  • the paper bag roll 20 may be directly used without the inner core 10 .
  • Fig. 21 is the unfolded schematic diagram of the roll packaging of the three-folded edge color-coded PLA coated paper bag shown in Fig. 12, when a single closed paper bag is cut.
  • a single closed paper bag is cut from the paper bag roll 20 along the cutting line 20182 to form an open-end paper bag, and the remaining uncut sealed paper bags are still sealed and connected to the paper bag roll 20 in series.
  • the first cutting line 20182 is set close to the second heat-sealing transverse sealing area 201612, and the second cutting line 20182 is close to the third heat-sealing transverse sealing area 201612 Setting, and so on, the nth cutting line 20182 is set close to the n+1th heat-sealing transverse sealing area 201612.
  • the distance between the nth cutting line 20182 and the n+1th heat-sealing transverse sealing area 201612 is 10 mm.
  • an easy tearing line is provided near the heat-sealing transverse sealing area 201612, and the user can tear the paper bag from the paper bag roll 20 via the easy tearing line instead of the cutting line 20182.
  • Figure 22 is a flat-shaped schematic diagram of the three-folded PLA-coated paper bag with color-coded paper bag roll packaging shown in Figure 12, when a single closed paper bag is cut from the paper bag roll into an open-end paper bag, and Figure 23 is the tri-fold shown in Figure 12.
  • the color-coded PLA-coated paper bag with side band is packaged in a roll, which is cut into a schematic diagram of a paper bag with an opening at one end being stretched at the opening, which is used to show the specific structure of the paper bag.
  • each closed paper bag has a width of 170mm and a height of 184mm.
  • each closed paper bag is cut off from the paper bag roll 20 to become an open-end paper bag only when in use, and then the inner wall of the paper bag begins to contact the external environment, that is, when not in use, each The sealed paper bags are in a state of complete sealing and packaging, which avoids the problem of secondary contamination of the inner wall of the paper bag by germs from the external environment when it is not cut.
  • the flat PLA coated paper 2011 shown in FIG. 24 is folded 180 degrees out of the paper near the right border line 20112 during the folding process before heat sealing and back sealing to generate a fourth fold
  • the edge line 20137 makes the left and right sides of the PLA coated paper 2011 form an overlapping area after being completely folded and formed, and the heat-sealing back-sealing area is realized in the overlapping area to form a heat-sealing back-sealing area.
  • the overlapping area or a partial width of the entire width of the overlapping area can be selected to implement the heat-sealing back seal, that is, the width of the heat-sealing back seal area can also be smaller than the width of the overlapping area or the overlapping area;
  • another example is the use of single-sided PE coating.
  • paper in place of the composite paper material in the above examples Coat 95 coating, a food-grade single-sided coated paper with heat-sealing properties that can be regenerated with pulp, replaces the composite paper material in the above example; the composite paper used adopts double-sided coating or coating instead of the single-sided coating in the example.
  • the characteristic size on the composite paper bag roll packaging is not limited to the size in the above example; the left and right boundary lines of the paper bag roll are replaced by the straight lines in the above example; the end of the paper bag roll can also be a non-single straight line It can also be inconsistent with the width direction of the paper bag roll; when the paper bag roll adopts an easy tearing line, the easy tearing line can also overlap with all or part of the end of the paper bag roll at the adjacent end or both ends; unfold from the paper bag roll.
  • the height and shape of each heat sealing area can be inconsistent to replace the height and shape of the heat sealing area shown in Embodiments 1 and 2, especially in the heat sealing area at the beginning and end of the paper bag roll.
  • the height and shape are often different from the height and shape of the heat-sealing horizontal sealing area in other positions;
  • the boundary of the heat-sealing horizontal sealing area also adopts the rectangular form not in the above-mentioned example; from the perspective of facing the heat-sealing cross-sealing area squarely after the paper bag roll is unfolded and flattened, the heat-sealing horizontal sealing area is not perpendicular to the folding line instead of the vertical in the above-mentioned example, etc.; After the paper bag roll is unfolded and laid flat, looking directly at the heat-sealing transverse sealing area, all or part of the end of the paper bag roll is coincident with the border of the adjacent heat-sealing transverse sealing area, etc.;
  • the roll is wound on the inner core, and is not limited to the materials, dimensions, and shapes shown in the examples; the examples of molding implementation steps in the above examples are only to better illustrate the product itself,

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Abstract

一种防内壁被二次污染的复合纸纸袋卷（2）包装，包括纸袋卷（2）和内芯（1），纸袋卷（2）成型收卷于内芯（1）上，内芯（1）位于纸袋卷（2）中，纸袋卷（2）上由无输入填充区（020521，201621）和上下相邻的热合横封区（020512，201612）组成的结构性单元可作为一个独立自隔离、四周完全密封且内壁中间为空的无输入填充状态的封闭纸袋，纸袋卷（2）主体部分可作为一个个串接相连在一起的封闭纸袋构成的卷式纸袋串。

Description

一种防内壁被二次污染的复合纸纸袋卷包装 技术领域
本申请涉及食品与饮料包装技术领域，更具体地涉及用于食品与饮料包装的复合纸纸袋。
背景技术
市面常用的食品与饮料包装以纸、塑料、陶瓷、玻璃、易拉罐等材质为主，各有优势和所长，其中纸袋作为纸包装的一类因经济性、便捷性、实用性在食品和饮料包装领域获得广泛运用。
一般食品通用纸袋为一端常开口式，纸袋制造出厂时即一端已开口，近年来病菌以规模方式危害人类健康的事件多发，这种一端常开口的纸袋较高频次地暴露于外部环境，特别在人流量多的公共场所，纸袋内壁受外部环境病菌侵蚀可能性大，存在危害大众健康的风险。
发明内容
本申请的目的在于：为了解决一般食品通用纸袋为一端常开口式，纸袋制造出厂时即一端已开口，纸袋内壁受外部环境病菌侵蚀可能性大，存在危害大众健康的风险的问题，而提出的一种防内壁被二次污染的复合纸纸袋卷包装。
为了实现上述目的，本申请提供了一种防内壁被二次污染的复合纸纸袋卷包装，所述复合纸纸袋卷包装包括纸袋卷和内芯，纸袋卷成型收卷于内芯上，内芯位于纸袋卷中，所述纸袋卷采用具有热合特性的、且满足食品卫生要求的、具有 翻折成型特性的软包装复合纸，软包装复合纸的基纸厚度范围0.04mm-0.25mm,所述纸袋卷内壁面为软包装复合纸的具有热合特性的复合层面；所述纸袋卷包括：左边界线、右边界线、至少两个折边线、热合背封区、多个热合横封区、多个无输入填充区以及纸袋卷端头，所述纸袋卷上由所述无输入填充区和上下相邻的所述热合横封区组成的结构性单元为一个独立自隔离、四周完全密封且内壁中间为空的无输入填充状态的封闭纸袋，纸袋卷主体部分可作为一个个串接相连在一起的封闭纸袋构成的卷式纸袋串。
优先的，根据本申请的复合纸纸袋卷包装，所述纸袋卷所用的软包装复合纸为具有热合特性的、单面淋膜层为PP或者PE的食品级淋膜纸。
优先的，根据本申请的复合纸纸袋卷包装，所述纸袋卷所用的软包装复合纸为具有热合特性的、单面淋膜层为生物可降解性PLA的食品级淋膜纸。
优先的，根据本申请的复合纸纸袋卷包装，所述纸袋卷所用的软包装复合纸为可随纸浆再生的、单面具有热合特性涂层的食品级涂层纸。
优先的，根据本申请的复合纸纸袋卷包装，所述纸袋卷的折边线左右道数各大于或等于三道。
优先的，根据本申请的复合纸纸袋卷包装，所述纸袋卷的相邻热合横封区在纸袋卷长度方向呈等距间隔平行排列。
优先的，根据本申请的复合纸纸袋卷包装，所述纸袋卷可上预先设置可被传感器识别的位置识别标记，所述位置识别标记在纸袋卷长度方向上做间隔平行排列，位置识别标记能够确定对应的热合横封区的位置，保持各热合横封区和其对应的预先设置的位置识别标记在纸袋卷长度方向上的间距相等，可间接保证纸袋卷上相邻热合横封区在纸袋卷长度方向上的间距。
优先的，根据本申请的复合纸纸袋卷包装，所述纸袋卷的一端或者两端的纸袋卷端头的全部或者部分和相邻的热合横封区的边界重合。
优先的，根据本申请的复合纸纸袋卷包装，所述纸袋卷还包含易撕线。
与现有产品相比，本申请具有以下有益技术效果：每个封闭纸袋，只有在使用时被裁切脱离纸袋卷成为一端开口纸袋，此时纸袋内壁才开始接触外部环境，即在未裁切时每个封闭纸袋都处在完全的密封封装串接状态，避免了纸袋内壁在未裁切时被外部环境病菌二次污染问题。
附图说明
图1为本申请的第一实施例——单折边PP淋膜纸纸袋卷包装的外形示意图；
图2为图1所示的单折边PP淋膜纸纸袋卷包装中纸袋卷端头打开后呈现的外形示意图；
图3为图1所示的单折边PP淋膜纸纸袋卷包装中纸袋卷成型所用的淋膜纸展开平面示意图；
图4为图1所示的单折边PP淋膜纸纸袋卷包装中纸袋卷成型所用的展开呈平面状淋膜纸的左右两侧，各相对往淋膜层面纸内翻折示意图；
图5为图1所示的单折边PP淋膜纸纸袋卷包装中纸袋卷成型所用的展开呈平面状淋膜纸的左右两侧，各相对往淋膜层面纸内翻折180度至平整成型示意图；
图6为图1所示的单折边PP淋膜纸纸袋卷包装中纸袋卷成型所用的PP淋膜纸左右两侧经翻折180度至平整成型后热合背封的示意图；
图7为图1所示的单折边PP淋膜纸纸袋卷包装中纸袋卷成型过程等距间隔热合横封的示意图；
图8为图1所示的单折边PP淋膜纸纸袋卷包装中纸袋卷成型过程中热合横封后，缠绕收卷于内芯成为纸袋卷，进而纸袋卷和内芯制成完整纸袋卷包装的示意图；
图9为图1所示的单折边PP淋膜纸纸袋卷包装，单个封闭纸袋被裁切时纸袋卷包装的展开示意图；
图10为图1所示的单折边PP淋膜纸纸袋卷包装，单个封闭纸袋从纸袋卷裁切成一端开口纸袋的平状示意图；
图11为图1所示的单折边PP淋膜纸纸袋卷包装，被裁切成为一端开口纸袋在开口处被撑开的示意图；
图12为本申请的第二实施例——三折边带色标PLA淋膜纸纸袋卷包装外形示意图；
图13为图12所示的三折边带色标PLA淋膜纸纸袋卷包装中纸袋卷端头打开后呈现外形示意图；
图14为图12所示的三折边带色标PLA淋膜纸纸袋卷包装中纸袋卷成型所用的PLA淋膜纸展开平面示意图；
图15为图12所示的三折边带色标PLA淋膜纸纸袋卷包装中纸袋卷成型所用的展开呈平面状PLA淋膜纸在反面(非淋膜面)上印刷一种位置识别标记-色标排列示意图；
图16为图12所示的三折边带色标PLA淋膜纸纸袋卷包装中纸袋卷成型所用的展开呈平面状PLA淋膜纸左右两侧，分别各三次对称进行翻折示意图；
图17为图12所示的三折边带色标PLA淋膜纸纸袋卷包装中纸袋卷成型所用的展开呈平面状PLA淋膜纸左右两侧，分别各三次对称进行翻折180度至平整成 型示意图；
图18为图12所示的三折边带色标PLA淋膜纸纸袋卷包装中纸袋卷成型所用的PLA淋膜纸左右两侧翻折平整至平整成型后完成热合背封的示意图；
图19为图12所示的三折边带色标PLA淋膜纸纸袋卷包装中纸袋卷成型过程等距间隔热合横封示意图；
图20为图12所示的三折边带色标PLA淋膜纸纸袋卷包装中纸袋卷成型所用的PLA淋膜纸在热合横封后，缠绕收卷于内芯成为纸袋卷，进而使纸袋卷和内芯制成完整纸袋卷包装的示意图；
图21为图12所示的三折边带色标PLA淋膜纸纸袋卷包装，当单个封闭纸袋被裁切时纸袋卷包装的展开示意图；
图22为图12所示的三折边带色标PLA淋膜纸纸袋卷包装，当单个封闭纸袋从纸袋卷裁切成为一端开口纸袋的平状示意图；
图23为图12所示的三折边带色标PLA淋膜纸纸袋卷包装，被裁切成为一端开口纸袋在开口处被撑开的示意图。
图24为图12所示实施例二的针对性变型例，另一种在热合背封之前的翻折形式。
具体实施方式
下面将参考构成本说明书一部分的附图对本申请的各种具体实施方式进行描述。应该理解的是，虽然在本申请中使用表示方向的术语，诸如“前”、“后”、“上”、“下”、“左”、“右”、“顶”、“底”、“内”、“外”等描述本申请的各种示例结构部分，但是在此使用这些术语只是为了方便说明的目的，基 于附图中显示的示例方位而确定的。由于本申请所公开的实施例可以按照不同的方向设置，所以这些表示方向的术语只是作为说明而不应视作为限制。
第一实施例
图1为本申请的第一实施例——单折边PP淋膜纸纸袋卷包装的外形示意图，图2为图1所示的单折边PP淋膜纸纸袋卷包装中纸袋卷端头打开后呈现的外形示意图，用于示出单折边PP淋膜纸纸袋卷包装的整体结构。如图1和图2所示，单折边PP淋膜纸纸袋卷包装包括内芯1和纸袋卷2。内芯1设置在纸袋卷2内，内芯1的材质为PA 6尼龙，其大致呈中空的圆柱体形，其内径76mm、外径86mm、长度130mm。内芯1具有轴X，其可以围绕轴X旋转。内芯1作为纸袋卷2的支撑部件，纸袋卷2成型收卷缠绕于内芯1。纸袋卷2可以跟随内芯1一起围绕轴X旋转，从而方便操作人员从单折边PP淋膜纸纸袋卷上取下纸袋。
图3-7示出了单折边PP淋膜纸纸袋卷的纸袋卷2的成型步骤。纸袋卷2采用基纸厚度规格为0.11mm、单面淋膜层厚度20克/平方米的食品级PP淋膜纸0201。PP淋膜纸0201经展开、翻折成型、热合背封、热合横封等主要工序，在长度方向上形成以成卷形式一个个串接在一起的，独立自隔离、四周完全密封且内壁中间为空的无输入填充状态的多个封闭纸袋。
图3为图1所示的单折边PP淋膜纸纸袋卷包装中纸袋卷成型所用的淋膜纸展开平面示意图。如图3所示，展开的平面状PP淋膜纸0201呈长条状，其具有平行于PP淋膜纸0201的长度方向设置的左边界线02011和右边界线02012。展开的平面状PP淋膜纸0201朝向观察者的面即为PP淋膜层面，该面在纸袋卷2成型后为纸袋卷2的内壁面。
图4为图1所示的单折边PP淋膜纸纸袋卷包装中纸袋卷成型所用的展开呈平面状淋膜纸的左右两侧，各相对往淋膜层面纸内翻折示意图。如图4所示，沿平行于平面状PP淋膜纸0201长度方向的左折边线02021和右折边线02022折叠展开的平面状PP淋膜纸0201，使得左边界线02011和左折边线02021之间的距离与右边界线02012和右折边线02022之间的距离之和大于左折边线02021和右折边线02022之间的距离。
图5为图1所示的单折边PP淋膜纸纸袋卷包装中纸袋卷成型所用的展开呈平面状淋膜纸的左右两侧，各相对往淋膜层面纸内翻折180度成型示意图。如图5所示，将折叠后的PP淋膜纸0201压平，左边界线02011位于右边界线02012的右侧，左边界线02011与右边界线02012之间形成交叠区域。
图6为图1所示的单折边PP淋膜纸纸袋卷包装中纸袋卷成型所用的PP淋膜纸左右两侧经翻折180度成型后热合背封的示意图。如图6所示，PP淋膜纸0201翻折成型后，在左边界线02011与右边界线02012之间交叠区域内利用热封粘合方式将PP淋膜纸0201闭合，该交叠区域内的热封粘合部分称为热合背封区020112。在本实例中整个交叠区域内均热封粘合，故交叠区域宽度等于热合背封区的宽度。上下文中对热合背封区所采取的热封粘合方式，称为热合背封。
图7为图1所示的单折边PP淋膜纸纸袋卷包装中纸袋卷成型过程等距间隔热合横封的示意图。如图7所示，在PP淋膜纸0201的长度方向上设置多个热合横封区020512以形成多个封闭纸袋。每个热合横封区020512相对于PP淋膜纸0201的长度方向垂直设置，其长度以左折边线02021和右折边线02022为界。利用热封粘合方式将热合横封区020512所在纸袋卷2的前后内壁面完全热封粘合，该实施方式在上下文中称为热合横封。各热合横封区020512连续等距间隔平行 排列在PP淋膜纸0201的长度方向，且大小形状相等。
热合横封后，上下相邻热合横封区020512之间的区域成为无输入填充区020521。上下相邻热合横封区020512的密封阻隔使无输入填充区020521和外部环境隔离，并且无输入填充区020521在PP淋膜纸0201的长度方向呈等距间隔平行排列。
需要说明的是，由于加工误差，第一个热合横封区020512并不一定会沿着PP淋膜纸0201的第一端(下端)成型，从而会在第一个热合横封区020512与PP淋膜纸0201的第一端之间形成纸袋卷端头02001。同理，最后一个热合横封区020512也不一定会沿着PP淋膜纸0201的第二端(上端)成型，从而会在最后一个热合横封区020512与PP淋膜纸0201的第二端之间形成纸袋卷端头02001。当然，本领域技术人员应当知道，在严格控制精度的情况下，纸袋卷端头02001可以与第一个和/或最后一个热合横封区020512重合。
在本实施例中，展开的平面状PP淋膜纸0201的宽度为270mm，左边界线02011和左折边线02021之间的距离为70mm，右边界线02012和右折边线02022之间的距离为70mm，左折边线02021和右折边线02022之间的距离为130mm，热合横封区020512的高度为10mm,热合背封区020112的宽度为10mm，相邻热合横封区020512之间的距离为164mm。
图8为图1所示的单折边PP淋膜纸纸袋卷包装中纸袋卷成型过程中热合横封后，缠绕收卷于内芯成为纸袋卷，进而纸袋卷和内芯制成完整纸袋卷包装的示意图。如图8所示，将PP淋膜纸0201制成的纸袋卷2缠绕于内芯1上，并通过内芯1与其他设备相连接。当然，本领域技术人员应当知道，也可以不设置内芯1，直接使用纸袋卷2。
图9为图1所示的单折边PP淋膜纸纸袋卷包装，单个封闭纸袋被裁切时纸袋卷包装的展开示意图。如图9所示，当需使用纸袋时，沿裁切线02072将单个封闭纸袋从纸袋卷2裁切形成一端开口纸袋，其余未被裁切的密封纸袋仍然密封串接在纸袋卷2。从PP淋膜纸0201的第一端至第二端的方向上看，第一根裁切线02072靠近第二个热合横封区020512设置，第二根裁切线02072靠近第三个热合横封区020512设置，依此类推，第n根裁切线02072靠近第n+1个热合横封区020512设置。在本实施例中，第n根裁切线02072与第n+1热合横封区020512之间的距离为10mm。当然，还可以采用其他方式，例如在靠近热合横封区020512的位置设置易撕线，用户可以经由该易撕线代替裁切线02072将纸袋从纸袋卷2上撕下。
图10为图1所示的单折边PP淋膜纸纸袋卷包装，单个封闭纸袋从纸袋卷裁切成一端开口纸袋的平状示意图，这里所述的平状指纸袋平铺未打开的状态，图11为图1所示的单折边PP淋膜纸纸袋卷包装，被裁切成为一端开口纸袋在开口处被撑开的示意图，用于示出纸袋的具体结构。如图10和11所示，当纸袋从纸袋卷2上取下时，在纸袋的热合横封区020512处形成纸袋的闭合的下端，在纸袋的裁切线02072处形成纸袋的开口。食品或饮料可以经由裁切线02072处的开口被放置或到入纸袋中。在本实施例中，每个封闭纸袋宽度为130mm，高度为184mm。
与现有产品相比，本发明具有以下有益技术效果：每个封闭纸袋只有在使用时被裁切脱离纸袋卷2成为一端开口纸袋，此时纸袋内壁才开始接触外部环境，即未使用时每个封闭纸袋都处在完全的密封封装串接状态，避免了纸袋内壁在未裁切时被外部环境病菌二次污染问题。
第二实施例
图12为本申请的第二实施例——三折边带色标PLA淋膜纸纸袋卷包装外形示意图，图13为图12所示的三折边带色标PLA淋膜纸纸袋卷包装中纸袋卷端头打开后呈现外形示意图，用于示出三折边带色标PLA淋膜纸纸袋卷包装的整体结构。如图12和图13所示，三折边带色标PLA淋膜纸纸袋卷包装包括内芯10和纸袋卷20。内芯10设置在纸袋卷20内，内芯10的材质为PA 6尼龙，其大致呈中空的圆柱体形，其内径76mm、外径86mm、长度170mm。内芯10具有轴X，其可以围绕轴X旋转。内芯10作为纸袋卷20的支撑部件，纸袋卷20成型收卷缠绕于内芯10。纸袋卷20可以跟随内芯10一起围绕轴X旋转，从而方便操作人员从三折边带色标PLA淋膜纸纸袋卷上取下纸袋。
图14-19示出了三折边带色标PLA淋膜纸纸袋卷的纸袋卷20的成型步骤。纸袋卷20采用基纸厚度规格为0.10mm、单面PLA淋膜层厚度25克/平方米的食品级PLA淋膜纸2011。食品级PLA淋膜纸2011经展开、翻折成型、热合背封、热合横封等主要工序，在长度方向上形成以成卷形式一个个串接在一起的，独立自隔离、四周完全密封且内壁中间为空的无输入填充状态的多个封闭纸袋。
图14为图12所示的三折边带色标PLA淋膜纸纸袋卷包装中纸袋卷成型所用的PLA淋膜纸展开平面示意图。如图14所示，展开的平面状PLA淋膜纸2011呈长条状，其具有平行于PLA淋膜纸2011的长度方向设置的左边界线20111和右边界线20112。展开的平面状PLA淋膜纸2011朝向观察者的面即为PLA淋膜层面，该面在纸袋卷20成型后为纸袋卷20的内壁面。
图15为图12所示的三折边带色标PLA淋膜纸纸袋卷包装中纸袋卷成型所用 的展开呈平面状PLA淋膜纸2011在反面(非淋膜面)上印刷一种位置识别标记-色标排列示意图。如图15所示，色标20121呈长方形，其在PLA淋膜纸的长度方向上等间距布置在PLA淋膜纸的非淋膜面的左侧。色标20121能够被色标传感器可识别，因此可以通过色标20121来确定热合横封区201612(图19中更清楚地示出)的位置。在本实施例中，色标20121大小为20mm×10mm，各色标20121中心和左边界线20111距离均为45mm，色标20121在PLA淋膜纸2011的长度方向上等距间距为164mm。当然，本领域普通技术人员应当知道，位置识别标记还可以采用其他形式，而不限于实施例中所示的色标。
图16为图12所示的三折边带色标PLA淋膜纸纸袋卷包装中纸袋卷20成型所用的展开呈平面状PLA淋膜纸左右两侧，分别各三次对称进行翻折示意图。如图16所示，与第一实施例不同的是，第二实施例中的纸袋卷20具有与PLA淋膜纸的长度方向平行设置的三个左折边线20131、20132、20133和三个右折边线20134、20135、20136。具体地，在展开呈平面状PLA淋膜纸2011的左侧沿平行于平面状PLA淋膜纸2011长度方向上翻折三次，使得第一左折边线20131、第二左折边线20132以及第三左折边线20133呈V字形布置。同理，在PLA淋膜纸2011的右侧沿平行于平面状PLA淋膜纸2011长度方向上翻折三次，使得第一右折边线20134、第二右折边线20135以及第三右折边线20136也呈V字形布置。并且，左边界线20111和第一左折边线20131之间的距离与右边界线20112和第一右折边线20134之间的距离之和大于第三左折边线20133和第三右折边线20136之间的距离，第二左折边线20132和第二右折边线20135之间的距离小于第三左折边线20133和第三右折边线20136之间的距离。
图17为图12所示的三折边带色标PLA淋膜纸纸袋卷包装中纸袋卷成型所用 的展开呈平面状PLA淋膜纸左右两侧，分别各三次对称进行翻折180度成型示意图。如图17所示，将折叠后的PLA淋膜纸2011压平，第一左折边线20131与第三左折边线20133重合，第一右折边线20134与第三右折边线20136重合，左边界线20111位于右边界线20112的右侧，左边界线20111与右边界线20112之间形成交叠区域。并且，色标20121位于左边界线20111和第一左折边线20131之间的区域中。
图18为图12所示的三折边带色标PLA淋膜纸纸袋卷包装中纸袋卷成型所用的PLA淋膜纸左右两侧翻折平整成型后完成热合背封的示意图。如图18所示，PLA淋膜纸2011翻折成型后，在左边界线20111与右边界线20112之间交叠的区域利用热封粘合方式将PLA淋膜纸2011闭合，该交叠区域内的热封粘合部分称为热合背封区201112。在实例中该交叠区域内全部热封粘合，故该交叠区域宽度等于热合背封区的宽度。
图19为图12所示的三折边带色标PLA淋膜纸纸袋卷包装中纸袋卷成型过程等距间隔热合横封的示意图。如图19所示，在PLA淋膜纸2011的长度方向上设置多个热合横封区201612以形成多个封闭纸袋。每个热合横封区201612相对于PLA淋膜纸2011的长度方向垂直设置，其长度以第三左折边线20133和第三右折边线20136为界。利用热封粘合方式将热合横封区201612所在纸袋卷20的前后内壁面完全热封粘合，该实施方式同前面的第一实施例一样称为热合横封。各热合横封区201612连续等距间隔平行排列在PLA淋膜纸2011的长度方向，且大小形状相等。在本实施例中，保持各热合横封区201612和其对应的色标在纸袋卷20长度方向上的中心距同为30mm,间接保证了相邻热封横封区201612的间距和相邻色标间距一样同为164mm。
热合横封后，上下相邻热合横封区201612之间的区域成为无输入填充区201621。上下相邻热合横封区201612的密封阻隔使无输入填充区201621和外部环境隔离，并且无输入填充区201621在PLA淋膜纸2011的长度方向呈等距间隔平行排列。
需要说明的是，由于加工误差，第一个热合横封区201612并不一定会沿着PLA淋膜纸2011的第一端(下端)成型，从而会在第一个热合横封区201612与PLA淋膜纸2011的第一端之间形成纸袋卷端头20101。同理，最后一个热合横封区201612也不一定会沿着PLA淋膜纸2011的第二端(上端)成型，从而会在最后一个热合横封区201612与PLA淋膜纸2011的第二端之间形成纸袋卷端头20101。当然，本领域技术人员应当知道，在严格控制精度的情况下，纸袋卷端头20101可以与第一个和/或最后一个热合横封区201612重合。
在本实施例中，展开的平面状PLA淋膜纸2011的宽度为430mm，第一左折边线20131和左边界线20111距离为90mm，第一右折边线20134离右边界线20112距离为90mm。第一左折边线20131和第二左折边线20132之间的距离以及第二左折边线20132和第三左折边线20133之间的距离均为20mm。第一右折边线20134和第二右折边线20135之间的距离以及第二右折边线20135和第三右折边线20136之间的距离均为20mm，第三左折边线20133和第三右折边线20136之间的距离为170mm。热合背封区201112的宽度以及热合横封区201612均为10mm，相邻热合横封区201612之间的距离为164mm。
图20为图12所示的三折边带色标PLA淋膜纸纸袋卷包装中纸袋卷成型所用的PLA淋膜纸在热合横封后，缠绕收卷于内芯成为纸袋卷，进而使纸袋卷和内芯制成完整纸袋卷包装的示意图。如图12所示，将PLA淋膜纸2011制成的纸袋卷 20缠绕于内芯10上，并通过内芯10与其他设备相连接。当然，本领域技术人员应当知道，也可以不设置内芯10，直接使用纸袋卷20。
图21为图12所示的三折边带色标PLA淋膜纸纸袋卷包装，当单个封闭纸袋被裁切时纸袋卷包装的展开示意图。如图21所示，当需使用纸袋时，沿裁切线20182将单个封闭纸袋从纸袋卷20裁切形成一端开口纸袋，其余未被裁切的密封纸袋仍然密封串接在纸袋卷20。从PLA淋膜纸2011的第一端至第二端的方向上看，第一根裁切线20182靠近第二个热合横封区201612设置，第二根裁切线20182靠近第三个热合横封区201612设置，依此类推，第n根裁切线20182靠近第n+1个热合横封区201612设置。在本实施例中，第n根裁切线20182与第n+1个热合横封区201612之间的距离为10mm。当然，还可以采用其他方式，例如在靠近热合横封区201612的位置设置易撕线，用户可以经由该易撕线代替裁切线20182将纸袋从纸袋卷20上撕下。
图22为图12所示的三折边带色标PLA淋膜纸纸袋卷包装，当单个封闭纸袋从纸袋卷裁切成为一端开口纸袋的平状示意图，图23为图12所示的三折边带色标PLA淋膜纸纸袋卷包装，被裁切成为一端开口纸袋在开口处被撑开的示意图，用于示出纸袋的具体结构。如图22和23所示，当纸袋从纸袋卷20上取下时，在纸袋的热合横封区201612处形成纸袋的闭合的下端，在纸袋的裁切线20182处形成纸袋的开口。食品或饮料可以经由裁切线20182处的开口被放置或到入纸袋中。在本实施例中，每个封闭纸袋宽度为170mm，高度为184mm。
与现有产品相比，本实例的有益效果：每个封闭纸袋只有在使用时被裁切脱离纸袋卷20成为一端开口纸袋，此时纸袋的内壁才开始接触外部环境，即未使用时每个密封纸袋都处在完全的密封封装串接状态，避免了纸袋内壁在未裁切时 被外部环境病菌二次污染问题。
尽管已示出和描述了本申请的两个实施例，对于本领域的普通技术人员而言，可以理解在不脱离本申请的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型。比如对产品实例二的下述变型，图24所示呈平面状PLA淋膜纸2011在热合背封之前的翻折过程中，在靠近右边界线20112处向纸外翻折180度产生第四折边线20137，使PLA淋膜纸2011左右两侧在完全翻折成型后形成重叠区域，在该重叠区内实现热合背封，形成热合背封区。又比如可以选择交叠区或重叠区的完整宽度中的部分宽度来实施热合背封，即热合背封区的宽度也可以小于交叠区或者重叠区的宽度；又比如采用单面PE淋膜纸代替上述实例中的复合纸材料；采用麦可门公司的
Figure PCTCN2021123620-appb-000001
Coat 95涂层这种可随纸浆再生的、具有热合特性的食品级单面涂层纸代替上述实例中的复合纸材料；所用复合纸采用双面淋膜或者涂层代替实例中的单面淋膜或者涂层等等；复合纸纸袋卷包装上的特征尺寸也不局限于上述实例中的尺寸；纸袋卷左右边界线用曲线代替上述实例中的直线；纸袋卷端头也可以是非单一直线的形式，也可以和纸袋卷的宽度方向不一致；当纸袋卷采用易撕线的时候，易撕线也可以和相邻一端或者两端的纸袋卷端头的全部或者部分重合；从纸袋卷展开平铺后正视热合横封区来看，各热合横封区的高度和形状可以不一致来代替实施例一和二所展示的热合横封区的高度和形状一致，特别在纸袋卷首尾的热合横封区的高度和形状因纸袋卷端头的形状和位置的选择往往会导致和其他位置的热合横封区的高度和形状有所不同；从纸袋卷展开平铺后正视热合横封区来看，各热合横封区的边界也采用非上述实例中的矩形形式；从纸袋卷展开平铺后正视热合横封区来看，热合横封区 不和折边线垂直替代上述实例中的垂直等等；从纸袋卷展开平铺后正视热合横封区来看，纸袋卷的端头的全部或者部分和相邻的热合横封区的边界重合等等；内芯仅是作用纸袋卷的支撑部件，使纸袋卷收卷于内芯上，并不限于实例中所展示的材料、尺寸、和形状等等；上述实例中的成型实施步骤例，仅是为了更好的说明产品本身，实际并不局限于本文所展示的实施步骤和方式，如纸袋卷端头在纸袋卷卷体成型前已直接生成代替实例中提到纸袋卷端头在卷体成型后的再裁切，等等；本申请的范围由所附权利要求及其等同物限定。

Claims (9)

  1. 一种防内壁被二次污染的复合纸纸袋卷包装，其特征在于，所述复合纸纸袋卷包装包括纸袋卷和内芯，纸袋卷成型收卷于内芯上，内芯位于纸袋卷中，所述纸袋卷采用具有热合特性的、且满足食品卫生要求的、具有翻折成型特性的软包装复合纸，软包装复合纸的基纸厚度范围0.04mm-0.25mm,所述纸袋卷内壁面为软包装复合纸的具有热合特性的复合层面，所述纸袋卷包括：左边界线、右边界线、至少两个折边线、热合背封区、多个热合横封区、多个无输入填充区以及纸袋卷端头，所述纸袋卷上由所述无输入填充区和上下相邻的所述热合横封区组成的结构性单元为一个独立自隔离、四周完全密封且内壁中间为空的无输入填充状态的封闭纸袋，纸袋卷主体部分可作为一个个串接相连在一起的封闭纸袋构成的卷式纸袋串。
  2. 根据权利要求1所述的复合纸纸袋卷包装，其特征在于，所述纸袋卷所用的软包装复合纸为具有热合特性的、单面淋膜层为PP或者PE的食品级淋膜纸。
  3. 根据权利要求1所述的复合纸纸袋卷包装，其特征在于，所述纸袋卷所用的软包装复合纸为具有热合特性的、单面淋膜层为生物可降解性PLA的食品级淋膜纸。
  4. 根据权利要求1所述的复合纸纸袋卷包装，其特征在于，所述纸袋卷所用的软包装复合纸为可随纸浆再生的、单面具有热合特性涂层的食品级涂层纸。
  5. 根据权利要求1所述的复合纸纸袋卷包装，其特征在于，所述纸袋卷的折边线左右道数各大于或等于三道。
  6. 根据权利要求1所述的复合纸纸袋卷包装，其特征在于，所述纸袋卷的相邻热合横封区在纸袋卷长度方向呈等距间隔平行排列。
  7. 根据权利要求1所述的复合纸纸袋卷包装，其特征在于，所述纸袋卷包括 预先设置可被传感器识别的位置识别标记，所述位置识别标记在纸袋卷长度方向上呈间隔平行排列，所述位置识别标记能够确定对应的所述热合横封区的位置，保持各热合横封区和其对应的预先设置的位置识别标记在所述纸袋卷长度方向上的间距相等，能够间接保证所述纸袋卷上相邻热合横封区在纸袋卷长度方向上的间距。
  8. 根据权利要求1所述的复合纸纸袋卷包装，其特征在于，所述纸袋卷的一端或者两端的纸袋卷端头的全部或者部分和相邻的热合横封区的边界重合。
  9. 根据权利要求1所述的复合纸纸袋卷包装，其特征在于，所述纸袋卷上还包含易撕线。
PCT/CN2021/123620 2020-10-14 2021-10-13 一种防内壁被二次污染的复合纸纸袋卷包装 WO2022078408A1 (zh)

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CN202120776045.3U CN215852750U (zh) 2021-04-15 2021-04-15 一种具有易撕线的软包装复合纸纸袋卷包装
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB751339A (en) * 1954-10-05 1956-06-27 Continental Can Co Improvements in or relating to the manufacture of bags
US6135281A (en) * 1997-04-03 2000-10-24 Simhaee; Ebrahim Continuous roll of plastic bags
CN1551850A (zh) * 2001-09-07 2004-12-01 利乐拉瓦尔集团及财务有限公司 用于包装食品的直立袋
CN101663200A (zh) * 2007-01-26 2010-03-03 多种吸附技术公司 吸附剂包装袋
CN103253537A (zh) * 2012-02-19 2013-08-21 丽水市小天使橡皮制造有限公司 带开启装置的薄膜袋
CN204096306U (zh) * 2012-05-29 2015-01-14 蓬赞·翁巴硕蓬 具有搬运手柄的包装袋
CN112110027A (zh) * 2020-10-14 2020-12-22 上海耶京实业有限公司 一种防内壁被二次污染的复合纸纸袋卷包装制品产品

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB751339A (en) * 1954-10-05 1956-06-27 Continental Can Co Improvements in or relating to the manufacture of bags
US6135281A (en) * 1997-04-03 2000-10-24 Simhaee; Ebrahim Continuous roll of plastic bags
CN1551850A (zh) * 2001-09-07 2004-12-01 利乐拉瓦尔集团及财务有限公司 用于包装食品的直立袋
CN101663200A (zh) * 2007-01-26 2010-03-03 多种吸附技术公司 吸附剂包装袋
CN103253537A (zh) * 2012-02-19 2013-08-21 丽水市小天使橡皮制造有限公司 带开启装置的薄膜袋
CN204096306U (zh) * 2012-05-29 2015-01-14 蓬赞·翁巴硕蓬 具有搬运手柄的包装袋
CN112110027A (zh) * 2020-10-14 2020-12-22 上海耶京实业有限公司 一种防内壁被二次污染的复合纸纸袋卷包装制品产品

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