WO2020031322A1 - Dispositif de production de récipient en papier, procédé de production de récipient en papier et récipient en papier - Google Patents

Dispositif de production de récipient en papier, procédé de production de récipient en papier et récipient en papier Download PDF

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Publication number
WO2020031322A1
WO2020031322A1 PCT/JP2018/029896 JP2018029896W WO2020031322A1 WO 2020031322 A1 WO2020031322 A1 WO 2020031322A1 JP 2018029896 W JP2018029896 W JP 2018029896W WO 2020031322 A1 WO2020031322 A1 WO 2020031322A1
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WO
WIPO (PCT)
Prior art keywords
paper container
heating
paper
manufacturing
blank sheet
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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.)
Ceased
Application number
PCT/JP2018/029896
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English (en)
Japanese (ja)
Inventor
隆昌 篠原
歩 筒木
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Toyo Aluminium Ekco Products Co Ltd
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Toyo Aluminium Ekco Products Co Ltd
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Publication date
Application filed by Toyo Aluminium Ekco Products Co Ltd filed Critical Toyo Aluminium Ekco Products Co Ltd
Priority to PCT/JP2018/029896 priority Critical patent/WO2020031322A1/fr
Publication of WO2020031322A1 publication Critical patent/WO2020031322A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/59—Shaping sheet material under pressure

Definitions

  • the present invention relates to a paper container manufacturing apparatus, and more particularly to a paper container manufacturing apparatus formed by at least a heating step and a subsequent forming step, a paper container manufacturing method using the paper container manufacturing apparatus, and the paper container. And a paper container obtained by the manufacturing apparatus.
  • FIG. 11 is a perspective view showing the appearance of a conventional paper container.
  • paper container 70 has a square bottom 71, a side wall 72 extending upward from the outer edge of bottom 71, a corner 74 connecting side walls 72 together, a side wall 72 and a corner 74. And a rim 73 formed on the outer edge of the rim.
  • the paper container 70 is formed by press-forming one blank sheet.
  • Such press-formed paper containers are lightweight and advantageous in cost, and thus are mainly used for storing foods.
  • Various manufacturing apparatuses by press molding for manufacturing such paper containers have been proposed (for example, Japanese Patent Application Laid-Open No. 2011-212882).
  • FIG. 12 is a schematic view showing a conventional paper container manufacturing apparatus
  • FIG. 13 is a schematic view showing a base paper processing process in the paper container manufacturing apparatus shown in FIG. This shows the state immediately after the supply position (B1), (2) shows the state immediately after the ruled line forming position (B2), and (3) shows the state immediately after the punching / pressing position (B3). It is shown.
  • a conventional paper container manufacturing apparatus 80 includes a supply apparatus 81 for supplying a strip-shaped base paper 77 on the upstream side. On the downstream side of the supply device 81, a molding device 83 is arranged.
  • the molding device 83 includes a pair of vertical moving devices 84, and a pair of first molds 91a and 91b and a pair of It has two molds 92a and 92b. Specific uses of each mold will be described later.
  • the strip-shaped base paper 77 wound in a roll and arranged at the base paper supply position B1 is continuously supplied from the supply device 81 to the ruled line forming position B2.
  • the supplied base paper 77 is moved by the first molds 91a and 91b of the molding device 83 at the ruled line forming position B2, as shown in FIG. Are formed at predetermined positions.
  • the base paper 77 on which the ruled lines 75 are formed is then transferred to a punching / pressing position B3.
  • the transferred base paper 77 is first formed into a substantially square shape by the second dies 92a and 92b of the molding device 83 at the punching / pressing position B3. Is punched into a desired shape.
  • the blank sheet is press-formed into a container shape by the second molds 92a and 92b at the same position. With such a flow, the paper container 70 is formed.
  • the second mold is used to soften a part of the blank sheet before press-molding into a container shape and improve the molding accuracy at the time of press-molding.
  • a heating means is incorporated in 92a and 92b.
  • FIG. 14 is a schematic sectional view of a portion including the second mold of the paper container manufacturing apparatus shown in FIG.
  • the second molds 92a and 92b include an upper mold member 93 and a lower mold member 94 facing each other.
  • An elevating member 96 is arranged on the outer peripheral side of the upper die member 93, and a heating member 97 such as a heater for heating is embedded in the elevating member 96.
  • a curling member 98 is arranged on the outer peripheral side of the lower mold member 94.
  • FIG. 15 is a schematic cross-sectional view of a portion including the second mold of the apparatus for manufacturing the paper container shown in FIG. 12, showing a state during a heating step.
  • FIG. 16 shows the state shown in FIG. It is a schematic sectional drawing of the part containing the 2nd metal mold
  • the entirety of the second mold 92a is lowered, and the lower end surface of the elevating member 96 of the second mold 92a and the upper end surface of the curling member 98 hold the transferred base paper 77 for a certain period of time. Stop. At this time, since the elevating member 96 is heated by the heating member 97, the portion of the base paper 77 sandwiched between the lower end surface of the elevating member 96 and the upper end surface of the curling member 98 is heated. The heated portion includes a part of the ruled line 75 shown in FIG.
  • the elevating member 96 is further lowered so as to push down the curling member 98, and a blank sheet is punched out of the base paper 77 by a blade (not shown).
  • the second mold 92a is further lowered at the position as it is, and the blank sheet punched out is press-formed into a container shape by the pressing end surface of the upper die member 93 and the pressing end surface of the lower die member 94.
  • the curling groove 99 formed by the elevating member 96 and the curling member 98 forms an edge winding 73 at the end of the pressed blank sheet.
  • FIG. 17 is a schematic diagram showing the relationship between the operation time of the heating means and the operation time of the molding means in the manufacturing process of the conventional paper container manufacturing apparatus as described above.
  • the heating step and the punching / pressing step are performed in one mold, so that the heating step must be performed.
  • the process proceeds to the forming process.
  • it takes time to add the operation time ⁇ of the heating means and the operation time ⁇ of the punching / pressing means (hereinafter referred to as “forming means”).
  • the heating process of the subsequent paper container (container 2) is started after the forming process of the previous paper container (container 1) is completed.
  • the operation time ⁇ of the heating means and the operation time ⁇ of the forming means are necessarily required. Therefore, when manufacturing n paper containers, it can be said that the time T obtained by multiplying the sum of the operation time ⁇ of the heating means and the operation time ⁇ of the molding means by the number n of paper containers is always required.
  • the present invention has been made to solve the above-described problems, and provides a paper container manufacturing apparatus, a paper container manufacturing method, and a paper container capable of stably mass-producing paper containers in a shorter time. With the goal.
  • a paper container manufacturing apparatus is a paper container manufacturing apparatus formed by at least a heating step and a subsequent forming step, wherein the heating step is performed.
  • Heating means for performing, a transfer means for transferring the pressed object processed by the heating means, and a forming means for performing a forming step on the transferred pressed object, the heating means And operates in a time zone including at least a part of the operation time zone of the molding means.
  • An apparatus for manufacturing a paper container is an apparatus for manufacturing a paper container by press molding, wherein a heating unit capable of heating a base paper including a blank sheet having a desired shape, and a heated base paper Transfer means, a blank sheet obtaining means for obtaining a blank sheet from the transferred base paper, and a press means for pressing the obtained blank sheet, and the heating means includes a blank sheet obtaining means and a press.
  • the device operates in a time zone including at least a part of the operation time zone of the means.
  • the heating means operates within the operating time of the blank sheet obtaining means and the pressing means.
  • the time used for operating the heating unit does not affect the time required for manufacturing the paper container by the blank sheet acquisition unit and the pressing unit.
  • An apparatus for manufacturing a paper container is an apparatus for manufacturing a paper container by press molding, comprising: a base paper supply means for supplying a strip-shaped base paper; Ruled line forming means for forming ruled lines for absorbing wrinkles, first transfer means for transferring the base paper on which the ruled lines are formed, heating means for heating the transferred base paper, and second transfer means for transferring the heated base paper.
  • the time used for the operation of the ruled line forming means and the heating means does not affect the pressing time of the paper container by the blank sheet punching means and the pressing means.
  • a method for manufacturing a paper container according to a fifth aspect of the present invention is a method for manufacturing a paper container, wherein the paper container is manufactured using the apparatus for manufacturing a paper container according to any one of the first to fourth aspects. Things.
  • the paper container according to the sixth aspect of the present invention is a paper container, which is obtained by the paper container manufacturing apparatus according to any one of the first to fourth aspects.
  • the manufacturing time of the paper container is reduced. It is substantially shortened and production efficiency is improved.
  • the paper container manufacturing apparatus In the paper container manufacturing apparatus according to the second aspect of the present invention, at least a part of the operation time period of the heating unit and the operation time period of the blank sheet acquisition unit and the pressing unit overlap, so that the manufacturing time of the paper container is substantially reduced. And the production efficiency is improved.
  • the apparatus for manufacturing a paper container according to the third aspect of the present invention is characterized in that, in addition to the effect of the invention according to the second aspect, the time used for operating the heating means is equal to the time required for manufacturing the paper container by the blank sheet obtaining means and the pressing means. , So that the production efficiency is further improved.
  • the time used for the operation of the ruled line forming means and the heating means does not affect the pressing time of the paper container by the blank sheet punching means and the pressing means.
  • the quality and production efficiency of the paper container are improved.
  • the operation time period of the heating unit and the operation time period of the molding unit overlap, so that the production time of the paper container is substantially reduced, and the production efficiency is reduced. This results in an improved paper container.
  • FIG. 2 is a schematic diagram illustrating a state in which the paper container manufacturing apparatus illustrated in FIG. 1 is under press working.
  • FIG. 2 is a schematic diagram illustrating a process of processing base paper in the paper container manufacturing apparatus illustrated in FIG. 1.
  • FIG. 2 is a schematic sectional view of a part including a second mold of the paper container manufacturing apparatus shown in FIG. 1.
  • FIG. 2 is a schematic sectional view of a part including a second mold of the apparatus for manufacturing a paper container shown in FIG. 1, showing a state during a punching step.
  • FIG. 2 is a schematic cross-sectional view of a portion including a second mold of the apparatus for manufacturing a paper container shown in FIG.
  • FIG. 4 is a schematic diagram illustrating a relationship among an operation time of a ruled line forming unit, an operation time of a heating unit, and an operation time of a forming unit in a manufacturing process of the paper container manufacturing apparatus according to the first embodiment of the present invention.
  • FIG. 3 is a schematic diagram illustrating a relationship between an operation time of a heating unit and an operation time of a molding unit in a manufacturing process of the paper container manufacturing apparatus according to the first embodiment of the present invention. It is a schematic diagram which shows the relationship between the operation time of a heating means and the operation time of a shaping means in the manufacturing process in the manufacturing apparatus of the paper container by 2nd Embodiment of this invention.
  • FIG. 13 is a schematic diagram illustrating a process of processing base paper in the paper container manufacturing apparatus illustrated in FIG. 12.
  • FIG. 13 is a schematic sectional view of a part including a second mold of the paper container manufacturing apparatus shown in FIG. 12.
  • FIG. 13 is a schematic cross-sectional view of a portion including a second mold of the paper container manufacturing apparatus shown in FIG. 12, showing a state during a heating step.
  • FIG. 13 is a schematic diagram illustrating a process of processing base paper in the paper container manufacturing apparatus illustrated in FIG. 12.
  • FIG. 13 is a schematic sectional view of a part including a second mold of the paper container manufacturing apparatus shown in FIG. 12.
  • FIG. 13 is a schematic cross-sectional view of a portion including a second mold of the paper container manufacturing apparatus shown in FIG. 12, showing a state during a heating step.
  • FIG. 13 is a schematic diagram illustrating a process of processing base paper in the paper container manufacturing apparatus illustrated in FIG. 12.
  • FIG. 13 is a schematic sectional view of
  • FIG. 13 is a schematic cross-sectional view of a portion including a second mold of the paper container manufacturing apparatus shown in FIG. 12 and shows a state at the time of completion of molding.
  • FIG. 9 is a schematic diagram illustrating a relationship between an operation time of a heating unit and an operation time of a forming unit in a manufacturing process of a conventional paper container manufacturing apparatus.
  • FIG. 1 is a schematic diagram showing an apparatus for manufacturing a paper container according to the first embodiment of the present invention.
  • a paper container 50 manufactured by the paper container manufacturing apparatus 10 has the same configuration as the conventional paper container 70 shown in FIG.
  • the paper container manufacturing apparatus 10 is provided with a base paper supply unit 11 similar to the conventional one, which is a base paper supply unit, on the upstream side, and a molding unit 13 on the downstream side.
  • the molding device 13 includes a pair of up-and-down moving devices 14, and a pair of first dies 21a and 21b, which are means for forming ruled lines on the base paper 57, on the upstream side, and a blank sheet punching of the base paper 57 on the downstream side.
  • a pair of second molds 22a and 22b serving as a pulling means and a pressing means are respectively attached.
  • a pair of heating members 23a and 23b including heaters as heating means for the base paper 57 are disposed between the first molds 21a and 21b and the second molds 22a and 22b.
  • FIG. 2 is a schematic view showing a state of the paper container manufacturing apparatus shown in FIG. 1 during press working.
  • FIG. 3 is a schematic diagram showing a base paper processing step in the paper container manufacturing apparatus shown in FIG. 1, wherein (1) shows a state immediately after the base paper supply position (A1), and (2) ) Shows each state from the ruled line forming position (A2) to the punching / pressing position (A3), and (3) shows the state immediately after the punching / pressing position (A3).
  • a strip-shaped base paper 57 wound in a roll shape disposed at a base paper supply position A1 is subjected to a surface coating process or the like by the supply device 11, and then downstream of the supply device 11. Is continuously supplied to the molding device 13.
  • the supplied base paper 57 is used by the first molds 21a and 21b at the ruled line forming position A2 of the molding device 13 to absorb wrinkles during molding as indicated by A2 in FIG. 3 (2).
  • Ruled lines 55 are formed at predetermined positions.
  • the base paper 57 on which the ruled lines 55 are formed is then transferred to a heating processing position H by a first transfer unit (not shown).
  • the transferred base paper 57 is held between the heating members 23a and 23b at the heating processing position H.
  • H of FIG. 3B substantially the entire substantially square portion including the ruled line 55 as indicated by the two-dot chain line is heated. By doing so, a wider area is heated than in the conventional heating step, which leads to an improvement in the molding accuracy at the time of subsequent punching and press working.
  • the heated base paper 57 is then transferred by a second transfer means (not shown) to a punching / pressing position A3.
  • the transferred base paper 57 is first heated by the second molds 22a and 22b at the punching / pressing position A3.
  • 58 is punched into a desired shape such as a substantially square shape including at least a part of a ruled line as shown by a broken line.
  • the blank sheet 58 punched out is pressed into a container shape by the second molds 22a and 22b as it is, and the paper container 50 is formed.
  • the time required for processing in each of the first molds 21a and 21b as the ruled line forming means and the heating members 23a and 23b as the heating means is determined by the blank mold punching means and the second mold 22a as the pressing means. , 22b is the same as the time required for processing.
  • the ruled line forming means, the heating means, and the punching / pressing means operate at independent positions.
  • the first molds 21a, 21b and the second molds 22a, 22b are attached to the pair of vertical movement devices 14, and the heating members 23a, 23b are connected to the first molds 21a, 21b and the second mold 22a, 22b, and each means operates synchronously.
  • the entire transfer means including the first transfer means and the second transfer means operate in synchronization with each other. In the paper container manufacturing apparatus 10 as a whole, synchronously forming ruled lines, heating, punching and pressing, and each processing step and each synchronously transferring step are alternately operated.
  • the specific operation of the second molds 22a and 22b at the punching / pressing position A3 of the paper container manufacturing apparatus 10 in this embodiment is as follows when compared with the conventional one.
  • FIG. 4 is a schematic sectional view of a part including the second mold of the paper container manufacturing apparatus shown in FIG.
  • second molds 22a and 22b have a configuration in which heating member 97 is removed from conventional second molds 92a and 92b shown in FIG. Of the second molds 92a and 92b, and the description thereof will not be repeated.
  • FIG. 5 is a schematic cross-sectional view of a portion including the second mold of the paper container manufacturing apparatus shown in FIG. 1 and shows a state during a punching step.
  • the second mold 22a descends from the state of FIG. At that time, the transferred base paper 57 has already been heated by the heating members 23a and 23b. Therefore, the raising / lowering member 36 and the curling member 38 of the second molds 22a and 22b holding the base paper 57 do not need to be stopped for a predetermined time to heat the base paper 57 as in the related art. A blank sheet 58 is punched from 57.
  • FIG. 6 is a schematic cross-sectional view of a portion including the second mold of the paper container manufacturing apparatus shown in FIG. 1 and shows a state at the time of completion of molding.
  • the second mold 22a further descends from the position where the blank sheet 58 has been punched out, and the blank sheet 58 that has been punched out is pressed against the pressing end surface of the upper mold member 33 of the second mold 22a and the second mold 22a.
  • the pressing end surface of the lower mold member 34 of the mold 22b is press-formed into a container shape.
  • the curl formed by the lifting member 36 and the curling member 38 of the second molds 22a and 22b is formed on the end of the pressed blank sheet 58.
  • the groove 39 forms an edge winding 53.
  • FIG. 7 is a schematic diagram showing the relationship among the operating time of the ruled line forming means, the operating time of the heating means, and the operating time of the forming means in the manufacturing process of the paper container manufacturing apparatus according to the first embodiment of the present invention. It is.
  • the operation time ⁇ of the ruled line forming means derived from the time required for processing in the ruled line forming means
  • the operation time ⁇ of the heating means derived from the time required for processing in the heating means.
  • the operating time ⁇ of the forming means which is the time required for processing in the blank sheet punching means and pressing means (hereinafter referred to as “forming means”).
  • the ruled line forming step, the heating step, and the punching / pressing step (hereinafter, referred to as “forming step”) operate in synchronization with each other.
  • the portion related to the paper container (container 1) ahead of the base paper goes through the ruled line forming step and the heating step and starts the forming process
  • the part related to the paper container (container 2) after the base paper is heated Will start.
  • the portion related to the paper container (container 3) further after the base paper starts the ruled line forming step.
  • the first paper container it takes time to add the operation time ⁇ of the ruled line forming means, the operation time ⁇ of the heating means, and the operation time ⁇ of the forming means.
  • the operation time ⁇ of the ruled line forming means and the operation time ⁇ of the heating means do not affect the operation time ⁇ of the forming means, so that the quality and production efficiency of the paper container are improved. It will be.
  • FIG. 8 is a schematic diagram showing the relationship between the operating time of the heating means and the operating time of the forming means in the manufacturing process of the paper container manufacturing apparatus according to the first embodiment of the present invention.
  • the part related to the paper container (container 1) ahead of the base paper goes through the heating step and starts the forming step
  • the part related to the paper container (container 2) after the base paper is heated. Will start.
  • the heating process of the container 2 is performed during the molding process of the container 1, and after the molding process of the container 1 is completed, the molding process of the container 2 and the heating process of the container 3 are started.
  • substantially only the operating time ⁇ of the molding means is required.
  • the time T 2 required for the manufacture of the n paper containers, a plus and operating time ⁇ of the first container of the heating means, and operating time of the molding means beta, operating time of the forming means It can be said that it takes time to add a time obtained by multiplying ⁇ by the number (n ⁇ 1) of the second and subsequent paper containers.
  • the operating time ⁇ of the heating unit does not affect the operating time ⁇ of the forming unit, so that the production efficiency is further improved. It will be.
  • FIG. 9 is a schematic diagram showing the relationship between the operation time of the heating means and the operation time of the forming means in the manufacturing process of the paper container manufacturing apparatus according to the second embodiment of the present invention.
  • the operation time ⁇ of the heating means according to the second embodiment is set longer than the operation time ⁇ of the forming means.
  • the base paper is heated evenly over time as a whole, so that the base paper is evenly heated, and a state in which softness and moisture suitable for forming are maintained, so that the forming accuracy of the paper container is further improved.
  • the portion related to the paper container (container 1) ahead of the base paper starts the forming process via the heating process
  • the portion related to the paper container (container 2) after the base paper starts the heating process.
  • the heating process of the container 2 is started during the molding process of the container 1.
  • the operation time ⁇ of the heating means is longer than the operation time ⁇ of the molding means. Because of the length, the molding process of the container 2 does not start immediately after the molding process of the container 1 is completed, but rather waits for the completion of the heating process of the container 2 before the molding process of the container 2 and the heating process of the container 3 Is started. Therefore, a standby time x occurs after the molding step, and the heating means operates during a time including at least a part of the operation time zone of the molding means.
  • the time obtained by adding the standby time x to the operating time ⁇ of the molding means is the same as the operating time ⁇ of the heating means.
  • the time T 3 required for the manufacture of the n paper containers, a plus and operating time of the first operation time ⁇ and the molding means of the heating means of the container beta, operating time of the molding means beta It can be said that it takes a time obtained by further adding a time obtained by multiplying the sum of the waiting time x and the number (n ⁇ 1) of the second and subsequent paper containers.
  • the manufacturing time of the paper container is substantially shortened, and the production efficiency is improved.
  • FIG. 10 is a schematic diagram showing the relationship between the operation time of the heating means and the operation time of the forming means in the manufacturing process of the paper container manufacturing apparatus according to the third embodiment of the present invention.
  • the configuration of the paper container manufacturing apparatus according to the third embodiment is basically the same as that of the first embodiment, and thus the description will not be repeated here, and the differences will be mainly described. I do.
  • the operation time ⁇ of the heating means according to the third embodiment is set shorter than the operation time ⁇ of the forming means.
  • the base paper tends to warm quickly, and thus such time adjustment may be performed in order to obtain softness and water retention more suitable for molding.
  • the heating process is performed on the portion related to the paper container (container 2) after the base paper.
  • the heating process is performed on the portion related to the paper container (container 2) after the base paper.
  • the heating process of the container 2 is started during the molding process of the container 1, and the operation time ⁇ of the heating means is longer than the operation time ⁇ of the molding means. Because of the short length, the heating process of the container 2 is performed from the middle of the forming process of the container 1 to the completion of the forming process. Similarly, the heating step of the container 3 is started during the molding step of the container 2. Therefore, the heating means operates within the operating time of the forming means.
  • the operating time ⁇ of the molding means is substantially longer than the operating time ⁇ of the heating means. Therefore, the time T 4 required for the manufacture of the n paper containers, a plus and operating time ⁇ of the first container of the heating means, and operating time of the molding means beta, operating time of the forming means It can be said that it takes time to add a time obtained by multiplying ⁇ by the number (n ⁇ 1) of the second and subsequent paper containers.
  • the manufacturing time of the paper container is substantially shortened, and the production efficiency is improved. Further, in the overall manufacturing time, the operating time ⁇ of the heating means does not affect the operating time ⁇ of the molding means, so that the production efficiency is further improved.
  • the object to be pressed is formed by punching a band-shaped base paper into a blank sheet and molding the sheet.
  • the object to be pressed can be obtained.
  • the means is not limited thereto, and may be another method.
  • the blank sheet is punched out of the strip-shaped base paper.
  • the present invention is not limited to this, and another method such as a configuration of preparing a blank sheet formed into a desired shape from the beginning may be used. May be provided with blank sheet acquisition means.
  • the forming means is constituted by the blank sheet punching means and the pressing means, but is not limited to this. It may be constituted by a blank sheet acquiring means and a pressing means as described above, or may be formed by another means as long as the heated material is processed to form a paper container. Good.
  • the heating means is provided independently for the molding before heating, and thus the heating means is not provided in the molding means.
  • a configuration may be adopted in which a heating member is additionally provided in the molding means.
  • the heating step and the forming step are performed successively.
  • the present invention is not limited to this, and the heating means may be arranged before the ruled line forming means. Further, the heating means may be incorporated in the ruled line forming means.
  • the heating portion is performed on the entire substantially square shape.
  • the present invention is not limited to this, and only a specific portion may be heated.
  • the heating step is started from the middle of the molding step in a time period corresponding to the completion of the molding step.
  • the present invention is not limited to this.
  • the configuration may be such that the molding step and the heating step are started at the same time, and after heating for a certain period of time, the apparatus stands by until the molding step is started.
  • the first mold as the ruled line forming means and the second mold as the molding means are attached to a pair of up and down moving devices, and the heating means as the heating means disposed therebetween.
  • the members have an independent configuration, they are not limited to this.
  • the heating member may also be attached to the vertical moving device, or conversely, each unit may be attached to an independent moving device.
  • each of the embodiments described above relates to a paper container manufacturing apparatus.
  • the embodiments described above also relate to a method of manufacturing a paper container using the paper container manufacturing apparatus of each of the above embodiments. The same applies.
  • each of the embodiments described above relates to a paper container manufacturing apparatus, but can be similarly applied to the embodiment of a paper container obtained by the paper container manufacturing apparatus of each of the above embodiments. .
  • a storage container that can be suitably used for storing food and the like can be obtained.

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Abstract

La présente invention concerne un dispositif de moulage (13) qui constitue une partie d'un dispositif de production de récipient en papier (10) et est équipé d'un dispositif mobile verticalement (14), et auquel sont fixés, à partir du côté amont, des premières matrices (21a, 21b) qui sont des moyens de rainage et des deuxièmes matrices (22a, 22b) qui constituent des moyens de poinçonnage de feuille vierge et des moyens de pression. Des éléments chauffants (23a, 23b) qui sont des moyens de chauffage sont positionnés entre les premières matrices (21a, 21b) et les deuxièmes matrices (22a, 22b). Le papier de départ (57) est alimenté en continu depuis un dispositif d'alimentation (11) vers le dispositif de moulage (13), et le rainage à un emplacement prescrit par les premières matrices (21a, 21b), le traitement de chauffage à un emplacement prescrit par les éléments chauffants (23a, 23b) et le découpage et le poinçonnage de feuille vierge et le moulage en une forme de récipient par les deuxièmes matrices (22a, 22b) sont effectués en synchronisation dans l'ordre indiqué. En conséquence, le temps de fonctionnement pour les moyens de rainage et les moyens de chauffage n'affecte pas le temps de fonctionnement pour les moyens de poinçonnage et les moyens de pression.
PCT/JP2018/029896 2018-08-09 2018-08-09 Dispositif de production de récipient en papier, procédé de production de récipient en papier et récipient en papier Ceased WO2020031322A1 (fr)

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PCT/JP2018/029896 WO2020031322A1 (fr) 2018-08-09 2018-08-09 Dispositif de production de récipient en papier, procédé de production de récipient en papier et récipient en papier

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Citations (5)

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JPH0364733U (fr) * 1989-10-30 1991-06-24
JPH072037U (ja) * 1993-06-15 1995-01-13 信越ポリマー株式会社 プレス成形用金型
JP2003127217A (ja) * 2001-10-22 2003-05-08 Idemitsu Unitech Co Ltd 包装容器の製造装置、包装容器の製造方法およびこの製造方法によって得られた包装容器
JP2014001086A (ja) * 2012-06-15 2014-01-09 Hoya Corp ガラス塊成形装置、ガラス塊の製造方法及びガラス光学素子の製造方法
JP2017087738A (ja) * 2017-01-18 2017-05-25 東洋アルミエコープロダクツ株式会社 紙容器の製造方法及び製造装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0364733U (fr) * 1989-10-30 1991-06-24
JPH072037U (ja) * 1993-06-15 1995-01-13 信越ポリマー株式会社 プレス成形用金型
JP2003127217A (ja) * 2001-10-22 2003-05-08 Idemitsu Unitech Co Ltd 包装容器の製造装置、包装容器の製造方法およびこの製造方法によって得られた包装容器
JP2014001086A (ja) * 2012-06-15 2014-01-09 Hoya Corp ガラス塊成形装置、ガラス塊の製造方法及びガラス光学素子の製造方法
JP2017087738A (ja) * 2017-01-18 2017-05-25 東洋アルミエコープロダクツ株式会社 紙容器の製造方法及び製造装置

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