CN114180203A - Thermal insulation portable paper bag and preparation method thereof - Google Patents

Thermal insulation portable paper bag and preparation method thereof Download PDF

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Publication number
CN114180203A
CN114180203A CN202111582340.6A CN202111582340A CN114180203A CN 114180203 A CN114180203 A CN 114180203A CN 202111582340 A CN202111582340 A CN 202111582340A CN 114180203 A CN114180203 A CN 114180203A
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CN
China
Prior art keywords
connecting hole
heat
bag body
bag
bearing layer
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.)
Pending
Application number
CN202111582340.6A
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Chinese (zh)
Inventor
梁钻棠
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.)
Huizhou Lianhua Package Products Co ltd
Original Assignee
Huizhou Lianhua Package Products Co ltd
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Publication date
Application filed by Huizhou Lianhua Package Products Co ltd filed Critical Huizhou Lianhua Package Products Co ltd
Priority to CN202111582340.6A priority Critical patent/CN114180203A/en
Publication of CN114180203A publication Critical patent/CN114180203A/en
Pending legal-status Critical Current

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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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/04—Bags or like containers made of paper and having structural provision for thickness of contents with multiple walls
    • 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
    • B31B70/02—Feeding or positioning sheets, blanks or webs
    • B31B70/022—Holders for feeding or positioning sheets or webs
    • 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
    • B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B70/142—Cutting, e.g. perforating, punching, slitting or trimming using presses or dies
    • 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
    • B31B70/26—Folding sheets, blanks or webs
    • 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
    • B31B70/62—Uniting opposed surfaces or edges; Taping by adhesives
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/12—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/04—Punching, slitting or perforating
    • 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/02—Local reinforcements or stiffening inserts, e.g. wires, strings, strips or frames
    • 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
    • B65D33/06—Handles
    • B65D33/12—String handles
    • 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
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/28—Strings or strip-like closures, i.e. draw closures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/04—Punching, slitting or perforating
    • B32B2038/042—Punching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/02—Open containers
    • B32B2439/06—Bags, sacks, sachets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

The invention belongs to the technical field of paper bags, and particularly relates to a heat-preservation portable paper bag and a preparation method thereof. The heat-preservation portable paper bag comprises a bag body, two handles and a pull rope; the inner wall of the bag body is provided with a heat-insulating bearing layer and a waterproof and oilproof layer from inside to outside, the heat-insulating bearing layer is in a wave shape, one surface of the heat-insulating bearing layer is connected with the inner wall of the bag body, and the other surface of the heat-insulating bearing layer is connected with the waterproof and oilproof layer; the two handles are respectively positioned at the front side and the rear side of the bag body, two ends of one handle are respectively positioned on the first connecting hole and the second connecting hole, and two ends of the other handle are respectively positioned on the third connecting hole and the fourth connecting hole; the start end of the pull rope sequentially penetrates through the first connecting hole, the sixth connecting hole, the eighth connecting hole, the third connecting hole, the fourth connecting hole, the seventh connecting hole, the fifth connecting hole and the second connecting hole to be connected with the termination end of the pull rope. This portable container bag of heat preservation has simple structure and bears the advantage of heavy weight article.

Description

Thermal insulation portable paper bag and preparation method thereof
Technical Field
The invention belongs to the technical field of paper bags, and particularly relates to a heat-preservation portable paper bag and a preparation method thereof.
Background
The insulated bag has high heat insulation and constant temperature effects, is widely applied to the heat insulation requirement of daily articles in the short-distance carrying process, especially along with the development of the take-out industry, the requirement for food heat insulation is more and more, but the existing insulated bag has complex structure, high manufacturing cost and simple structure, cannot bear heavy articles, and cannot meet the requirement of people. Chinese invention with application number CN201811175132.2 discloses a fully-degradable heat-insulating environment-friendly fast-transporting packaging bag, which comprises a bag body made of double-layer fabric, but has a complex structure and high manufacturing cost, and is not beneficial to mass production.
Disclosure of Invention
The invention aims to provide a heat-insulation hand-held paper bag, and aims to solve the technical problems that a heat-insulation bag in the prior art is complex in structure, high in manufacturing cost and simple in structure and cannot bear heavy objects.
In order to achieve the above object, an embodiment of the present invention provides a thermal insulation handbag, including:
the bag body is characterized in that a heat-preservation bearing layer and a waterproof and oilproof layer are arranged on the inner wall of the bag body from inside to outside, the heat-preservation bearing layer is wavy, one surface of the heat-preservation bearing layer is connected with the inner wall of the bag body, the other surface of the heat-preservation bearing layer is connected with the waterproof and oilproof layer, a first connecting hole and a second connecting hole are formed in the front side surface of the bag body, a third connecting hole and a fourth connecting hole are formed in the rear side surface of the bag body, and a fifth connecting hole, a sixth connecting hole, a seventh connecting hole and an eighth connecting hole are formed in the four corners of the inner bottom surface of the bag body respectively; the first connecting hole and the fifth connecting hole are on the same side, the second connecting hole and the sixth connecting hole are on the same side, the third connecting hole and the seventh connecting hole are on the same side, and the fourth connecting hole and the eighth connecting hole are on the same side; the first connecting hole is communicated with the sixth connecting hole through the heat-insulation bearing layer, the second connecting hole is communicated with the fifth connecting hole through the heat-insulation bearing layer, the third connecting hole is communicated with the eighth connecting hole through the heat-insulation bearing layer, the fourth connecting hole is communicated with the seventh connecting hole through the heat-insulation bearing layer, the fifth connecting hole is communicated with the seventh connecting hole through the heat-insulation bearing layer, and the sixth connecting hole is communicated with the eighth connecting hole through the heat-insulation bearing layer;
the two handles are respectively positioned at the front side and the rear side of the bag body, two ends of one handle are respectively positioned on the first connecting hole and the second connecting hole, two ends of the other handle are respectively positioned on the third connecting hole and the fourth connecting hole, the first connecting hole is communicated with the second connecting hole through the inner wall of the handle, and the third connecting hole is communicated with the fourth connecting hole through the inner wall of the handle; and
and the starting end of the pull rope sequentially penetrates through the first connecting hole, the sixth connecting hole, the eighth connecting hole, the third connecting hole, the fourth connecting hole, the seventh connecting hole, the fifth connecting hole and the second connecting hole to be connected with the stopping end of the pull rope.
Preferably, the heat-insulating bearing layer is provided with more than one wave crest and wave trough, the number of the wave crests is more than one, more than one wave crest is connected with the inner wall of the bag body, and more than one wave trough is connected with the waterproof and oilproof layer.
Preferably, a plurality of elastic pieces are arranged in the heat-insulation bearing layer, and the elastic pieces are positioned in the wave crests or the wave troughs.
Preferably, the elastic member is cylindrical, and the side surface of the elastic member is attached to the wave crest or the wave trough.
Preferably, the upper parts of the front side and the rear side of the inner wall of the bag body are respectively provided with a sealing element, and the bag opening of the bag body is sealed by bonding the two sealing elements.
Preferably, be equipped with a rotatable strip of paper used for sealing on the bag sack, the strip of paper used for sealing is kept away from bag sack one side is equipped with a fixed strip, fixed strip both ends all have one to expose the piece of bending of strip of paper used for sealing, two the piece of bending will through buckling the strip of paper used for sealing with the laminating of bag makes the bag sack is sealed.
Preferably, the bag body is three-dimensional structure and the left and right sides all is equipped with first crease, the bag body is followed first crease folds fold into planar structure.
Preferably, a second crease and a third crease are arranged on the handle, and the handle is reversely folded into an n shape along the second crease and the third crease.
Preferably, the pull rope is an elastic pull rope, the heat-preservation bearing layer is made of aluminum foil, and the bag body is made of kraft paper.
Based on the heat-preservation portable paper bag, the invention also provides a preparation method of the heat-preservation portable paper bag, which comprises the following steps:
s1: the heat-insulation bearing layer is bent into waves by a corrugating machine and then fixed on the bag body, the heat-insulation bearing layer and the bag body are arranged by a bag making machine and sent to a forming part, and the next step S2 is executed;
s2: after entering the forming part, the paper passes through the punching and impressing part, a required connecting hole is punched, pre-impressing is carried out at the same time, the longitudinal size of the paper bag is determined, and the next step S3 is executed;
s3: the paper passes through a gluing part, water-based white latex for bonding is coated on the left side of the paper and then enters a bottom forming area, a paper tube is folded and formed in the bottom forming area and then enters a bag opening bonding machine to seal the bottom, and the next step S4 is executed;
s4: the paper bag is provided with the pull rope through the pull rope part and is connected with the lifting handle through an external flat rope pasting device.
One or more technical schemes in the heat-preservation handbag provided by the embodiment of the invention have at least one of the following technical effects: when the heat-preservation portable paper bag is used, one surface of the heat-preservation bearing layer is bent into a wave shape and is connected with the inner wall of the bag body, the other surface of the heat-preservation bearing layer is connected with the waterproof and oil-proof layer, two ends of one handle are respectively connected with the first connecting hole and the second connecting hole, two ends of the other handle are respectively connected with the third connecting hole and the fourth connecting hole, and the starting end of the pull rope sequentially penetrates through the first connecting hole, the sixth connecting hole, the eighth connecting hole, the third connecting hole, the fourth connecting hole, the seventh connecting hole, the fifth connecting hole and the second connecting hole to be connected with the stopping end of the pull rope; this portable container bag of heat preservation passes through the crooked wave of becoming of heat preservation bearer layer with stay cord cross connection's mode is realized the high bearing capacity of portable container bag of heat preservation has simple structure and bears the advantage of heavy object article.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a heat-preservation handbag provided by the embodiment of the invention.
Fig. 2 is a schematic unfolding view of the thermal-insulation hand-held paper bag provided by the embodiment of the invention.
Fig. 3 is a schematic view of a bag body, a heat-insulating bearing layer and a water-proof and oil-proof layer of the heat-insulating handbag provided by the embodiment of the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the invention.
In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In one embodiment of the present invention, as shown in fig. 1 to 3, an insulated hand paper bag 100 is provided, which includes a bag body 110, two handles 120, and a pull rope 130; a heat-preservation bearing layer 140 and a waterproof and oilproof layer 150 are arranged on the inner wall of the bag body 110 from inside to outside, the heat-preservation bearing layer 140 is wavy, one surface of the heat-preservation bearing layer is connected with the inner wall of the bag body 110, the other surface of the heat-preservation bearing layer is connected with the waterproof and oilproof layer 150, the front side surface of the bag body 110 is provided with a first connecting hole 111 and a second connecting hole 112, the rear side surface of the bag body 110 is provided with a third connecting hole 113 and a fourth connecting hole 114, and four corners of the inner bottom surface of the bag body 110 are respectively provided with a fifth connecting hole 115, a sixth connecting hole 116, a seventh connecting hole 117 and an eighth connecting hole 118; the first connection hole 111 and the fifth connection hole 115 are on the same side, the second connection hole 112 and the sixth connection hole 116 are on the same side, the third connection hole 113 and the seventh connection hole 117 are on the same side, and the fourth connection hole 114 and the eighth connection hole 118 are on the same side; the first connection hole 111 is communicated with the sixth connection hole 116 through the thermal insulation bearing layer 140, the second connection hole 112 is communicated with the fifth connection hole 115 through the thermal insulation bearing layer 140, the third connection hole 113 is communicated with the eighth connection hole 118 through the thermal insulation bearing layer 140, the fourth connection hole 114 is communicated with the seventh connection hole 117 through the thermal insulation bearing layer 140, the fifth connection hole 115 is communicated with the seventh connection hole 117 through the thermal insulation bearing layer 140, and the sixth connection hole 116 is communicated with the eighth connection hole 118 through the thermal insulation bearing layer 140; the two handles 120 are respectively positioned at the front side and the rear side of the bag body 110, two ends of one handle 120 are respectively positioned on the first connecting hole 111 and the second connecting hole 112, two ends of the other handle 120 are respectively positioned on the third connecting hole 113 and the fourth connecting hole 114, the first connecting hole 111 is communicated with the second connecting hole 112 through the inner wall of the handle 120, and the third connecting hole 113 is communicated with the fourth connecting hole 114 through the inner wall of the handle 120; the start end of the pulling rope 130 sequentially passes through the first connecting hole 111, the sixth connecting hole 116, the eighth connecting hole 118, the third connecting hole 113, the fourth connecting hole 114, the seventh connecting hole 117, the fifth connecting hole 115, and the second connecting hole 112 to be connected with the end of the pulling rope 130.
When the thermal insulation handbag 100 is used, one surface of the thermal insulation bearing layer 140 which is bent into a wave shape is connected with the inner wall of the bag body 110, the other surface of the thermal insulation bearing layer is connected with the waterproof and oil-proof layer 150, two ends of one handle 120 are respectively connected with the first connecting hole 111 and the second connecting hole 112, two ends of the other handle 120 are respectively connected with the third connecting hole 113 and the fourth connecting hole 114, and the starting end of the pull rope 130 sequentially passes through the first connecting hole 111, the sixth connecting hole 111, the eighth connecting hole 118, the third connecting hole 113, the fourth connecting hole 114, the seventh connecting hole 117, the fifth connecting hole 115 and the second connecting hole 112 to be connected with the terminating end of the pull rope 130; this portable paper bag 100 that keeps warm passes through the mode that the wave is formed in the bending of heat preservation bearer layer 140 and stay cord 130 cross connection realizes portable paper bag 100's that keeps warm bearing capacity has simple structure and the advantage of bearing the weight of heavy object.
In another embodiment of the present invention, as shown in fig. 3, the insulation supporting layer 140 has more than one wave peak 141 and wave trough 142, the number of the wave peaks 141 is more than one, the more than one wave peak 141 is connected to the inner wall of the bag body 110, and the more than one wave trough 142 is connected to the waterproof and oilproof layer 150, such design can increase the supporting force of the insulation supporting layer 140.
In another embodiment of the present invention, as shown in fig. 3, a plurality of elastic members 143 are disposed in the insulating bearing layer 140, and the elastic members 143 are disposed in the wave crests 141 or the wave troughs 142, such that the impact resistance of the insulating bearing layer 140 can be increased.
In another embodiment of the present invention, as shown in fig. 3, the elastic member 143 is cylindrical and has a side surface corresponding to the wave crest 141 or the wave trough 142, which can further increase the impact resistance of the insulating and carrying layer 140.
In another embodiment of the present invention, as shown in fig. 2, a sealing member 160 is disposed on the upper portion of each of the front and rear sides of the inner wall of the bag body 110, the two sealing members 160 are bonded to seal the mouth of the bag body 110, and the sealing members 160 facilitate the sealing of the mouth of the bag body 110.
In another embodiment of the present invention, as shown in fig. 2, a rotatable seal 170 is disposed at the mouth of the bag body 110, a fixing strip 171 is disposed at a side of the seal 170 away from the mouth of the bag body 110, two ends of the fixing strip 171 are respectively provided with a bending piece 172 exposing the seal 170, and the two bending pieces 172 are bent to attach the seal 170 to the bag body 110 so as to seal the mouth of the bag body 110, which is designed to further seal the mouth of the bag body 110.
In another embodiment of the present invention, as shown in fig. 1, the bag body 110 is a three-dimensional structure and has first folds 119 on both left and right sides, the bag body 110 is folded into a planar structure along the first folds 119, and the first folds 119 enable the thermal hand paper bag 100 to be folded into a planar structure when there is no content.
In another embodiment of the present invention, as shown in fig. 1, the handle 120 is provided with a second fold 121 and a third fold 122, and the handle 120 is folded back in an n-shape along the second fold 121 and the third fold 122, which increases the bearing capacity of the handle 120.
In another embodiment of the present invention, as shown in fig. 2 and 3, the pulling rope 130 is an elastic pulling rope, the heat-insulating bearing layer 140 is made of aluminum foil, and the bag body 110 is made of kraft paper, so that the bearing capacity and the heat-insulating effect of the heat-insulating handbag 100 are improved.
Based on the heat-preservation portable paper bag, as shown in fig. 1-3, the invention also provides a preparation method of the heat-preservation portable paper bag 100, which comprises the following steps:
s1: the heat-insulating bearing layer 140 is fixed on the bag body 110 after being bent into a wave shape by a corrugating machine, the heat-insulating bearing layer 140 and the bag body 110 are arranged and sent to a forming part by a bag making machine, and the next step S2 is executed;
s2: after entering the forming part, the paper passes through the punching and creasing part, punching required connecting holes (including the first connecting hole 111 to the eighth connecting hole 118) and pre-creasing at the same time, pressing out the first crease 119, determining the longitudinal size of the paper bag, and executing the next step S3;
s3: the paper passes through a gluing part, water-based white latex for bonding is coated on the left side of the paper and then enters a bottom forming area, a paper tube is folded and formed in the bottom forming area and then enters a bag opening bonding machine to seal the bottom, and the next step S4 is executed;
s4: the paper bag is attached to the pull cord 130 through the pull cord portion and is connected to the handle 120 through an external flat cord attachment device.
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 and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. Portable paper bag (100) of heat preservation, its characterized in that includes:
the bag comprises a bag body (110), wherein a heat-insulation bearing layer (140) and a waterproof and oil-proof layer (150) are arranged on the inner wall of the bag body (110) from inside to outside, the heat-insulation bearing layer (140) is wavy, one surface of the heat-insulation bearing layer is connected with the inner wall of the bag body (110), the other surface of the heat-insulation bearing layer is connected with the waterproof and oil-proof layer (150), the front side surface of the bag body (110) is provided with a first connecting hole (111) and a second connecting hole (112), the rear side surface of the bag body (110) is provided with a third connecting hole (113) and a fourth connecting hole (114), and four corners of the inner bottom surface of the bag body (110) are respectively provided with a fifth connecting hole (115), a sixth connecting hole (116), a seventh connecting hole (117) and an eighth connecting hole (118); the first connecting hole (111) and the fifth connecting hole (115) are on the same side, the second connecting hole (112) and the sixth connecting hole (116) are on the same side, the third connecting hole (113) and the seventh connecting hole (117) are on the same side, and the fourth connecting hole (114) and the eighth connecting hole (118) are on the same side; the first connecting hole (111) is communicated with the sixth connecting hole (116) through the heat-insulating bearing layer (140), the second connecting hole (112) is communicated with the fifth connecting hole (115) through the heat-insulating bearing layer (140), the third connecting hole (113) is communicated with the eighth connecting hole (118) through the heat-insulating bearing layer (140), the fourth connecting hole (114) is communicated with the seventh connecting hole (117) through the heat-insulating bearing layer (140), the fifth connecting hole (115) is communicated with the seventh connecting hole (117) through the heat-insulating bearing layer (140), and the sixth connecting hole (116) is communicated with the eighth connecting hole (118) through the heat-insulating bearing layer (140);
the two handles (120) are respectively positioned at the front side and the rear side of the bag body (110), two ends of one handle (120) are respectively positioned on the first connecting hole (111) and the second connecting hole (112), two ends of the other handle (120) are respectively positioned on the third connecting hole (113) and the fourth connecting hole (114), the first connecting hole (111) is communicated with the second connecting hole (112) through the inner wall of the handle (120), and the third connecting hole (113) is communicated with the fourth connecting hole (114) through the inner wall of the handle (120); and
the starting end of the pulling rope (130) sequentially penetrates through the first connecting hole (111), the sixth connecting hole (116), the eighth connecting hole (118), the third connecting hole (113), the fourth connecting hole (114), the seventh connecting hole (117), the fifth connecting hole (115) and the second connecting hole (112) to be connected with the terminating end of the pulling rope (130).
2. An insulated hand paper bag (100) according to claim 1, wherein the insulating support layer (140) has more than one wave peak (141) and wave trough (142), the number of wave peaks (141) is more than one, the more than one wave peak (141) is connected with the inner wall of the bag body (110), and the more than one wave trough (142) is connected with the waterproof and oilproof layer (150).
3. An insulated hand paper bag (100) according to claim 2, characterised in that a plurality of resilient members (143) are provided in the insulating carrier layer (140), the resilient members (143) being located in the peaks (141) or the troughs (142).
4. An insulated hand paper bag (100) according to claim 3, characterised in that the resilient member (143) is cylindrical with sides conforming to the peaks (141) or the troughs (142).
5. The thermal insulation hand paper bag (100) according to claim 1, wherein the inner wall of the bag body (110) is provided with a sealing member (160) at the upper part of the front side and the rear side, and the two sealing members (160) are bonded to seal the opening of the bag body (110).
6. The thermal insulation hand-held paper bag (100) according to claim 1, wherein a rotatable seal (170) is arranged at the mouth of the bag body (110), a fixing strip (171) is arranged at one side of the seal (170) far away from the mouth of the bag body (110), two ends of the fixing strip (171) are respectively provided with a bending piece (172) exposing the seal (170), and the two bending pieces (172) are used for jointing the seal (170) with the bag body (110) through bending to seal the mouth of the bag body (110).
7. The thermal insulation hand paper bag (100) according to any one of claims 1 to 6, wherein the bag body (110) is of a three-dimensional structure and has first folds (119) on left and right sides, and the bag body (110) is folded into a planar structure along the first folds (119).
8. The thermal hand paper bag (100) according to any one of claims 1 to 6, wherein the handle (120) is provided with a second fold (121) and a third fold (122), and the handle (120) is folded back into an n-shape along the second fold (121) and the third fold (122).
9. A heat-insulating hand paper bag (100) according to any one of claims 1 to 6, wherein the pulling rope (130) is an elastic pulling rope, the heat-insulating carrying layer (140) is made of aluminum foil, and the bag body (110) is made of kraft paper.
10. The method for making an insulated hand paper bag (100) according to any one of claims 1 to 9, comprising the steps of:
s1: the heat-insulation bearing layer (140) is bent into waves by a corrugating machine and then fixed on the bag body (110), the heat-insulation bearing layer (140) and the bag body (110) are arranged by a bag making machine and sent to a forming part, and the next step S2 is executed;
s2: after entering the forming part, the paper passes through the punching and impressing part, a required connecting hole is punched, pre-impressing is carried out at the same time, the longitudinal size of the paper bag is determined, and the next step S3 is executed;
s3: the paper passes through a gluing part, water-based white latex for bonding is coated on the left side of the paper and then enters a bottom forming area, a paper tube is folded and formed in the bottom forming area and then enters a bag opening bonding machine to seal the bottom, and the next step S4 is executed;
s4: the paper bag is provided with the pull rope (130) through the pull rope part and is connected with the handle (120) through an external flat rope pasting device.
CN202111582340.6A 2021-12-22 2021-12-22 Thermal insulation portable paper bag and preparation method thereof Pending CN114180203A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111582340.6A CN114180203A (en) 2021-12-22 2021-12-22 Thermal insulation portable paper bag and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111582340.6A CN114180203A (en) 2021-12-22 2021-12-22 Thermal insulation portable paper bag and preparation method thereof

Publications (1)

Publication Number Publication Date
CN114180203A true CN114180203A (en) 2022-03-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
CN (1) CN114180203A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2177686A2 (en) * 2008-10-15 2010-04-21 Röttger, Wilhelm Plastically deformable web
CN106193435A (en) * 2016-08-22 2016-12-07 合肥工业大学 A kind of antinode central layer precast concrete assembled composite wall
CN209241690U (en) * 2018-11-13 2019-08-13 江苏伟光铝塑包装有限公司 A kind of food is aluminized bellows pocket with a heat-sealing zipper
CN112278573A (en) * 2020-11-25 2021-01-29 昆山金红凯包装制品有限公司 Large-bearing paper bag with net-shaped lifting rope structure
CN217199583U (en) * 2021-12-22 2022-08-16 惠州市联华包装制品有限公司 Thermal insulation portable paper bag

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2177686A2 (en) * 2008-10-15 2010-04-21 Röttger, Wilhelm Plastically deformable web
CN106193435A (en) * 2016-08-22 2016-12-07 合肥工业大学 A kind of antinode central layer precast concrete assembled composite wall
CN209241690U (en) * 2018-11-13 2019-08-13 江苏伟光铝塑包装有限公司 A kind of food is aluminized bellows pocket with a heat-sealing zipper
CN112278573A (en) * 2020-11-25 2021-01-29 昆山金红凯包装制品有限公司 Large-bearing paper bag with net-shaped lifting rope structure
CN217199583U (en) * 2021-12-22 2022-08-16 惠州市联华包装制品有限公司 Thermal insulation portable paper bag

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