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4-Traders Homepage  >  Equities  >  Tokyo  >  Toppan Printing Co Ltd    7911   JP3629000005

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Toppan Printing : Patent Issued for Steam Release Standing Pouch and Content-Enclosing Standing Pouch (USPTO 9776769)

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10/12/2017 | 09:31pm CEST

By a News Reporter-Staff News Editor at China Weekly News -- TOPPAN PRINTING CO., LTD. (Tokyo, JP) has been issued patent number 9776769, according to news reporting originating out of Alexandria, Virginia, by VerticalNews editors.

The patent's inventors are Kondo, Hideya (Tokyo, JP); Kawai, Hirofumi (Tokyo, JP).

This patent was filed on May 31, 2016 and was published online on October 3, 2017.

From the background information supplied by the inventors, news correspondents obtained the following quote: "Field

"The present invention relates to a steam release standing pouch that has a bag body and a bottom gusset and to a content sealing standing pouch.

"Description of Related Art

"A pouch of Japanese Laid-Open Utility Model Publication No. 4-10079 has a sealing portion that defines an internal space, a V-shaped sealing portion that is formed at a part of the sealing portion, and a triangular unsealed surface, which is formed at the valley part of the V-shaped sealing portion. In this pouch, an opening is formed by allowing a sealing at the vertex of the V-shaped sealing portion to be peeled when the pressure of the internal space rises. Steam in the internal space of the pouch is discharged outward through the opening.

"Japanese Laid-Open Utility Model Publication No. 4-10079 discloses that, in order to appropriately discharge the steam in the internal space, it is necessary to adopt a configuration by which a seal at the vertex of the V-shaped sealing portion is appropriately peeled when the pressure of the internal space rises. More specifically, Japanese Laid-Open Utility Model Publication No. 4-10079 discloses on page 9 that 'In other words, even if the inside of the bag is filled with steam and therefore the internal pressure rises, if the V-shaped sealing portion is too close to the end sealing portion (4), a force will not be applied onto the V-shaped sealing portion and will be dispersed over to the entire length of the end seal. There is a possibility that the V-shaped sealing portion will not be opened even if great pressure is applied, and the V-shaped sealing portion will be suddenly opened explosively. As a result, content will be scattered. Therefore, the vertex (A) of the V-shaped sealing portion is required to be set at a position (h1) that is below the end sealing portion (4) by ten millimeters or more.'

"On the other hand, the present inventors have examined the structure of a pouch that has a sealing portion that is peeled when the pressure of the internal space rises from the viewpoint of more reliably peeling this sealing portion. The inventors have concluded that the structure of the sealing portion still has room for improvement.

"It is an objective of the present invention to provide a steam release standing pouch that has a structure in which a sealing portion peels off more reliably and to provide a content sealing standing pouch formed by using this pouch."

Supplementing the background information on this patent, VerticalNews reporters also obtained the inventors' summary information for this patent: "(1) The forms of the means for solving the problems include a steam release standing pouch comprising a bag body and a bottom gusset. The steam release standing pouch has a widthwise direction and a height direction. The bag body has a side sealing portion, which is an end in the widthwise direction and has been subjected to a sealing process, and a sealable portion, which is an upper end in the height direction and has not been subjected to a sealing process. The bottom gusset has a gusset sealing portion, which is an end in the widthwise direction and is a lower end in the height direction and has been subjected to a sealing process. The side sealing portion has an upper side portion, a vapor passage portion, and an intermediate side portion and is formed continuously in order of the upper side portion, the vapor passage portion, and the intermediate side portion from the upper edge of the bag body. The vapor passage portion has a recessed portion recessed toward an inside of the bag body in the widthwise direction of the bag body. A distance between an inner edge of the recessed portion of the vapor passage portion and a maximum expansion center, which is a center of a maximum expandable portion of the bag body is shorter than a distance between an inner edge of the upper side portion and the maximum expansion center and shorter than a distance between an inner edge of the intermediate side portion and the maximum expansion center.

"As an experiment, the distance between the inner edge of the recessed portion of the vapor passage portion and the center (maximum expansion center) of the maximum expandable portion was made shorter than the distance between the inner edge of the upper side portion and the maximum expansion center and shorter than the distance between the inner edge of the intermediate side portion and the maximum expansion center. As a result, the present inventors confirmed that the frequency at which the vapor passage portion reliably peeled became higher in proportion to a rise in the pressure of the internal space, as compared to a case in which these relationships were not established. This experiment was performed by using the steam release standing pouch in which the internal space was sealed up by allowing the sealable portion to undergo sealing.

"In the steam release standing pouch of the aforementioned invention, the distance between the inner edge of the recessed portion and the maximum expansion center is shorter than the distance between the inner edge of the upper side portion and the maximum expansion center and shorter than the distance between the inner edge of the intermediate side portion and the maximum expansion center. Therefore, the vapor passage portion is peeled more reliably. The present inventors infer the reason why the frequency at which the vapor passage portion reliably is peeled becomes higher as follows.

"In the steam release standing pouch, the bag body expands radially from the maximum expansion center proportionately with a rise in the pressure of the internal space. At this time, the bag body forms a three-dimensional shape similar to a hemisphere. The amount of expansion of the bag body is greatest at the maximum expansion center and gradually becomes smaller toward each sealing portion that surrounds the internal space. This suggests that a force that acts on the bag body due to a rise in the pressure of the internal space, i.e., a force that acts in directions in which sheets that face each other and that define the internal space of the bag body are separated from each other becomes greater toward the maximum expansion center.

"From the foregoing, it is conceivable that the result that the frequency at which the vapor passage portion is reliably peeled is high has been obtained in the steam release standing pouch of the present invention, i.e., in the pouch in which the distance between the inner edge of the recessed portion and the maximum expansion center is shorter than the distance between the inner edge of the upper side portion and the maximum expansion center and shorter than the distance between the inner edge of the intermediate side portion and the maximum expansion center.

"(2) Another form of the means is a steam release standing pouch in which the recessed portion has a first recessed portion and a second recessed portion, and the first recessed portion has an upper portion contiguous with the upper side portion, a lower portion contiguous with the intermediate side portion, and a bottom portion contiguous with the upper portion and with the lower portion. The second recessed portion is formed at a bottom portion of the first recessed portion and has an area smaller than an area of the first recessed portion.

"(3) Another form of the means is a steam release standing pouch in which the second recessed portion has a bottom portion that is a tip of the recessed portion facing the bag body, and an outer edge of the bottom portion of the second recessed portion includes a linear shape that extends in the height direction of the steam release standing pouch.

"(4) Another form of the means is a steam release standing pouch in which an upper outer edge that is an outer edge of the upper portion is formed contiguously with an outer edge of the upper side portion, and includes a linear shape that inclines downwardly in the height direction toward an inside of the widthwise direction. A lower outer edge that is an outer edge of the lower portion is formed contiguously with an outer edge of the intermediate side portion and includes a linear shape that inclines upwardly in the height direction toward an inside of the widthwise direction. The second recessed portion additionally has a first outer edge and a second outer edge. The first outer edge is formed contiguously with the upper outer edge and the outer edge of the bottom portion of the second recessed portion and includes a linear shape that extends in the widthwise direction. The second outer edge is formed contiguously with the lower outer edge and the outer edge of the bottom portion of the second recessed portion and includes a linear shape that extends in the widthwise direction.

"(5) Another form of the means is a steam release standing pouch in which a width of the second recessed portion is smaller than a width of the first recessed portion.

"(6) Another form of the means is a steam release standing pouch in which the vapor passage portion has a bottom portion that is a tip of the recessed portion facing the bag body, and an outer edge of the bottom portion includes a linear shape that extends in the height direction of the steam release standing pouch.

"(7) Another form of the means is a steam release standing pouch in which the bag body has a cuttable portion between the sealable portion and the vapor passage portion in the height direction, and the cuttable portion is formed through the upper side portion. The upper side portion is configured such that a width of a graspable portion, which is above the cuttable portion in the height direction is greater than a width of an intermediate portion, which is below the cuttable portion in the height direction.

"(8) Another form of the means is a content sealing standing pouch that includes any of the above described steam release standing pouch in which the sealable portion has been subjected to a sealing process, and a content enclosed in the steam release standing pouch."

For the URL and additional information on this patent, see: Kondo, Hideya; Kawai, Hirofumi. Steam Release Standing Pouch and Content-Enclosing Standing Pouch. U.S. Patent Number 9776769, filed May 31, 2016, and published online on October 3, 2017. Patent URL: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=9776769.PN.&OS=PN/9776769RS=PN/9776769

Keywords for this news article include: Asia, TOPPAN PRINTING CO. LTD.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2017, NewsRx LLC

(c) 2017 NewsRx LLC, source Geographic Newsletters

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Financials ( JPY)
Sales 2018 1 510 B
EBIT 2018 -
Net income 2018 40 350 M
Finance 2018 121 B
Yield 2018 1,75%
P/E ratio 2018 18,20
P/E ratio 2019 16,38
EV / Sales 2018 0,45x
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Toppan Printing Co Ltd Technical Analysis Chart | 7911 | JP3629000005 | 4-Traders
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Number of Analysts 2
Average target price 1 555  JPY
Spread / Average Target 36%
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Managers
NameTitle
Shingo Kaneko President & Representative Director
Naoki Adachi Chairman
Hidetaka Kakiya Senior Managing Director & General Manager-Finance
Taro Izawa MD, GM-Business Development & Research
Hideharu Maro Senior Managing Director & GM-Corporate Planning
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