JP2007069941A - Rice bag - Google Patents

Rice bag Download PDF

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Publication number
JP2007069941A
JP2007069941A JP2005257729A JP2005257729A JP2007069941A JP 2007069941 A JP2007069941 A JP 2007069941A JP 2005257729 A JP2005257729 A JP 2005257729A JP 2005257729 A JP2005257729 A JP 2005257729A JP 2007069941 A JP2007069941 A JP 2007069941A
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Japan
Prior art keywords
rice
bag
needle
rice bag
hole
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JP2005257729A
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Japanese (ja)
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Isao Fujita
勲 藤田
Masayoshi Hibino
雅良 日比野
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FUJITA KIKAI KK
TOMEI SHOKAI KK
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FUJITA KIKAI KK
TOMEI SHOKAI KK
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Priority to JP2005257729A priority Critical patent/JP2007069941A/en
Publication of JP2007069941A publication Critical patent/JP2007069941A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a rice bag which is hardly broken even when deformation and expansion are generated in the rice bag and is excellent in gas permeability, as the rice bag used generally is mainly made of a plastic film, but this rice bag made of the plastic film lacks gas permeability because of the quality of the material, and in addition, when rice is filled into this rice bag to raise the rice bag for transportation, deformation and expansion are generated in the rice bag and becomes easy to break. <P>SOLUTION: The rice bag for storing the rice is made of the plastic film. The rice bag is provided with needling holes 3 and 4 each within a range of a radius R around a corner C as a center on four corners of the rice bag 1 to facilitate to vent air after filling the rice even when the bag is vertically or horizontally laid down under a condition that the rice is filled, and the radius R is set within 25% of the width W of the bag. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

この発明は、針による刺し孔を有する米袋に関するものである。   The present invention relates to a rice bag having a needle puncture hole.

一般的に使用される米袋の材質は、プラスチックフィルムが主流であるが、このプラスチックフィルムの米袋は、その材質のため通気性に欠ける。米袋に米を充填するときには、多量の空気も同時に袋内に封入されてしまうこととなる。米袋を運搬あるいは保管するときには、多数個積み重ねられることが多いが、袋内に多量の空気が封入されたままで排出されないと、米袋が空気で膨らんでいるため安定して積み上げることができず、運搬あるいは保管中に崩れるおそれがあった。そこで、米充填時に米とともに袋内部に封入された多量の空気を排出するための手段が各種施されている。   Generally used plastic bags are made of plastic film. However, the plastic film rice bags lack air permeability because of the material. When the rice bag is filled with rice, a large amount of air is simultaneously enclosed in the bag. A large number of rice bags are often stacked when transporting or storing rice bags, but if a large amount of air is not discharged while the bags are enclosed, the rice bags cannot be stably stacked because they are inflated with air. Or there was a possibility of collapse during storage. Therefore, various means are provided for discharging a large amount of air enclosed in the bag together with the rice when filling the rice.

その一例として、特許公開2000−272635号の公報に記載されたものがある。この技術は、図9に示すもので、前パネル51aと後パネル51bから構成され、周縁をヒートシールしてなる粒状または顆粒状の内容物を包装するための袋体51であって、前記ヒートシールしたヒートシール部52の内縁線近傍の袋体51に前記内縁線に対し略直角なスリット53を複数箇所設けた通気スリットを有するものである。
特開2000−272635号 公報
One example is disclosed in Japanese Patent Publication No. 2000-272635. This technique is shown in FIG. 9, and is composed of a front panel 51a and a rear panel 51b, and is a bag body 51 for wrapping granular or granular contents formed by heat-sealing the periphery. The bag body 51 in the vicinity of the inner edge line of the sealed heat seal portion 52 has a ventilation slit provided with a plurality of slits 53 substantially perpendicular to the inner edge line.
JP 2000-272635 A

しかし、上述の袋体51は、米を充填する前の平らな状態(図9)では前パネル51aと後パネル51bは変形・膨張していないためスリット53は開口せず閉じているが、米が充填された袋の上部を手で持ってぶら下げると、米の重量が袋体51の前パネル51aと後パネル51bに作用して図10に示すN−N’方向へ引っ張られ、複雑に変形して膨張するため、スリット53の切れ目部分に作用する力によってスリット53が切れ目においてわずかながらも伸びたり裂けて大きくなるおそれがあった。(図11)   However, in the above-described bag body 51 in a flat state before filling with rice (FIG. 9), the front panel 51a and the rear panel 51b are not deformed / expanded, so the slit 53 is not opened but closed. When the upper part of the bag filled with is hung by hand, the weight of the rice acts on the front panel 51a and the rear panel 51b of the bag body 51 and is pulled in the NN 'direction shown in FIG. Therefore, due to the force acting on the cut portion of the slit 53, the slit 53 may be slightly expanded or torn at the cut and become large. (Fig. 11)

また、袋体51の変形・膨張によりスリット53が図11に示すように開口する場合もあり、袋体51の上部を持ってぶら下げた状態で運搬しようとすると、上下の振動が加わり、スリット53の開口部分から米粒が排出されるおそれがあった。
さらに、スリット53が図11のように開口した状態では、異物や害虫の侵入は避けられず、好ましくない。
In addition, the slit 53 may open as shown in FIG. 11 due to deformation / expansion of the bag body 51, and if the bag body 51 is held while being held and hung, the vertical vibration is applied to the slit 53. There was a risk that the rice grains were discharged from the opening of the.
Furthermore, in the state where the slit 53 is opened as shown in FIG. 11, invasion of foreign matter and pests cannot be avoided, which is not preferable.

この発明は、上述の問題を解決するためになされたもので、その目的は、米の充填により袋が変形・膨張しても破袋しにくく、通気性に優れ、異物や害虫の侵入をも防止できる米袋を提供することにある。   The present invention has been made to solve the above-mentioned problems, and its purpose is to prevent bag breakage even if the bag is deformed or expanded by filling with rice, has excellent air permeability, and prevents invasion of foreign matter and pests. The purpose is to provide rice bags that can be prevented.

上記目的を達成するために、米を充填した状態で横置き、または縦置きしても内容物である米粒が直接圧力として作用しにくい袋の四隅に配置して針による刺し孔を設けてある米袋であって、その針刺し孔が通気孔として作用する。   In order to achieve the above object, needles are placed in the four corners of the bag where the contents of the rice grains are less likely to act directly as pressure even when placed horizontally or vertically when filled with rice. It is a rice bag, and the needle puncture hole acts as a vent hole.

上記の構成とすることにより、袋が変形・膨張しても破袋しにくく、通気性に優れ、異物や害虫の侵入を防止できる米袋を提供することができる。   By adopting the above-described configuration, it is possible to provide a rice bag that is difficult to break even when the bag is deformed or expanded, has excellent air permeability, and can prevent entry of foreign matter and pests.

以下、この発明の実施例を図1ないし図7に示す図面に基づいて説明する。
図1は、この発明の第1実施例に係る米袋1の構成を概略的に示す斜視図である。
前記米袋1は、チューブ状フィルムの底部下縁があらかじめヒートシールされてシール線2が形成されている。
透明なフィルムからなる米袋1の上部開口部から米を充填した後、チューブ状フィルムの上縁がヒートシールされてシール線5が形成され密封される(図2)。
Embodiments of the present invention will be described below with reference to the drawings shown in FIGS.
FIG. 1 is a perspective view schematically showing the structure of a rice bag 1 according to a first embodiment of the present invention.
In the rice bag 1, the bottom edge of the bottom of the tubular film is heat-sealed in advance to form a seal line 2.
After filling rice from the upper opening of the rice bag 1 made of a transparent film, the upper edge of the tubular film is heat-sealed to form a seal line 5 and sealed (FIG. 2).

米を充填したのち平らに横置きしたとき、または縦置きしたときに、米が密集しない位置、即ち米袋1の四隅に針刺し孔3,4が設けられている。この針刺し孔3,4は袋の前面1aと後面1bに、シール線4,5と側縁1c,1dとにより形成されるコーナーCに近接して一ヶ所づつ設けられている。   Needle piercing holes 3 and 4 are provided at the four corners of the rice bag 1 where rice is not dense when the rice is filled and then placed horizontally or vertically. The needle piercing holes 3 and 4 are provided on the front surface 1a and the rear surface 1b of the bag one by one in the vicinity of the corner C formed by the seal lines 4 and 5 and the side edges 1c and 1d.

針刺し孔3,4が設けられる位置は、袋内で米が密集しない位置であって、種々の袋について検討してみた結果、図3においてシール線4,5と側縁1c,1dとにより形成されるコーナーCを中心とする半径Rが袋巾Wの25%となるように設定すると好ましいことが分かった。半径Rで囲まれる範囲に針刺し孔3,4を設けることによって通気孔としての機能を十分に発揮できる。   The positions where the needle piercing holes 3 and 4 are provided are positions where rice does not concentrate in the bag, and as a result of examining various bags, they are formed by the seal lines 4 and 5 and the side edges 1c and 1d in FIG. It has been found that it is preferable to set the radius R around the corner C to be 25% of the bag width W. By providing the needle piercing holes 3 and 4 within the range surrounded by the radius R, the function as a vent hole can be sufficiently exhibited.

米袋1の四隅の針刺し孔3,4は、例えば図4に示す周知の針刺し工具21を使用して加工される。この針刺し工具21は針刺し孔3,4の数と位置に対応して穿孔機械(図示略す)に取り付けられるものである。袋体1を押圧する筒状部22に先端が鋭利に尖った直径2mmの針23が内装されており、この針刺し工具21の頭部にエアシリンダ等のアクチェータの外力Fが作用すると、針23が筒状部22から脱出して米袋1を突き刺すこととなる。バネ24の弾力は、外力Fを解消したときに針23を筒状部22へ後退させるものである。針刺し孔3,4の直径は、充填される米粒の径よりも小さいことが必要であり、0.5mmから2mm程度の孔が形成されるように選択される。異物や害虫の侵入を防ぐには、できるだけ小径が好ましい。   The needle piercing holes 3 and 4 at the four corners of the rice bag 1 are processed using, for example, a known needle piercing tool 21 shown in FIG. This needle stick tool 21 is attached to a punching machine (not shown) corresponding to the number and position of the needle stick holes 3 and 4. A needle 23 having a diameter of 2 mm with a sharply pointed tip is housed in a cylindrical portion 22 that presses the bag body 1. When an external force F of an actuator such as an air cylinder acts on the head of the needle stab tool 21, the needle 23 Escapes from the cylindrical portion 22 and pierces the rice bag 1. The elasticity of the spring 24 is to retract the needle 23 to the cylindrical portion 22 when the external force F is eliminated. The diameters of the needle piercing holes 3 and 4 need to be smaller than the diameter of the rice grains to be filled, and are selected so that holes of about 0.5 mm to 2 mm are formed. In order to prevent intrusion of foreign matter and pests, the smallest possible diameter is preferable.

針23によって突き刺された米袋1の針刺し孔3,4は、図5に拡大して示すように前面1a側のほうが後面1b側よりも孔径が大きく、かつ後面1b側へ突出した状態に形成される。従って、針23の先端形状を任意に選択することにより、前面1aにのみ任意の孔を形成し、後面1bにはほとんど孔が形成されないようにすることもできる。   The needle piercing holes 3 and 4 of the rice bag 1 pierced by the needle 23 are formed in a state where the hole diameter on the front surface 1a side is larger than that on the rear surface 1b side and protrudes toward the rear surface 1b side as shown in an enlarged view in FIG. The Therefore, by arbitrarily selecting the tip shape of the needle 23, it is possible to form an arbitrary hole only in the front surface 1a and hardly form any hole in the rear surface 1b.

米を充填して米袋1を平らに横置きすると(図2)、米粒はその袋の中央部にほぼ長円形に密集して塊Aとなり、四隅には少量の米粒Bが分散するだけである。米粒Bは袋の四隅において針刺し孔3,4を閉塞しないから、各コーナーCにおいて、針刺し孔3,4は一ヶ所だけでよい。袋内に封入された空気は、針刺し孔3,4から自然排気される。   When the rice bag 1 is laid flat and filled with rice (FIG. 2), the rice grains are concentrated in an oval shape at the center of the bag to form a mass A, and only a small amount of rice grains B are dispersed at the four corners. . Since the rice grain B does not block the needle piercing holes 3 and 4 at the four corners of the bag, at each corner C, the needle piercing holes 3 and 4 need only be one place. The air sealed in the bag is naturally exhausted from the needle puncture holes 3 and 4.

米を充填して米袋1を縦置きすると(図示略す)、その袋の底部に密集して塊となり袋底部隅の針刺し孔3は米粒で塞がれるため底部からの空気排出はあまり期待できなくなるが、縦置きしたときの袋内での米粒の移動により底部の空気は袋上方へ押しやられる。米袋1の上部には大きな空間が確保されているため、上部の針刺し孔4が米粒で閉塞されることはなく、袋上部の空気は十分に排出される。   When the rice bag 1 is vertically placed after filling with rice (not shown), the needle puncture hole 3 at the bottom corner of the bag is closed with the rice grain so that it cannot be expected to discharge air from the bottom. However, the air at the bottom is pushed upward by the movement of the rice grains in the bag when placed vertically. Since a large space is secured in the upper part of the rice bag 1, the upper needle puncture hole 4 is not blocked by the rice grains, and the air in the upper part of the bag is sufficiently discharged.

この発明の針刺し孔3,4はパンチされた孔(切り取り孔)と異なり、その孔の周縁は、前面1aにおいては袋内面側へ丸いリブ状に突出し、後面1bにおいては袋外面側へ突出しており、フィルムが切り取られていない(図5)。従って、フィルムの強度低下はわずかで、変形・膨張によっても破袋する可能性が低くなる。   The needle piercing holes 3 and 4 of the present invention are different from punched holes (cutout holes), and the peripheral edge of the hole protrudes in the form of a round rib toward the inner surface of the bag on the front surface 1a and protrudes toward the outer surface of the bag on the rear surface 1b. The film is not cut off (FIG. 5). Accordingly, the strength of the film is slightly reduced, and the possibility of breaking the bag due to deformation and expansion is reduced.

パンチされた孔の場合、その部分のフィルムは切り取られているため、変形・膨張による強度低下は避けられず、破袋し易くなるおそれがある。   In the case of a punched hole, the film at that portion is cut out, so that a decrease in strength due to deformation / expansion is unavoidable, and there is a possibility that the bag is likely to be broken.

図5に示す針刺し孔3,4は袋体1の前面1aと後面1bを貫通しているが、前面1aまたは後面1bの片側のみに設けることもできる。図6に示すように、米袋1内へ挿入される大きさに形成された板状の中敷き31は、前述の針刺し孔3,4に対応する位置に逃がし穴32が設けられている。中敷き31の厚さTは、図7に示すように針23の先端23aが逃がし穴32から飛び出さない数値に設定される。厚さTは、針23の上下方向の移動量が大きい場合は厚く設定され、移動量が小さい場合は薄く設定される。   5 penetrates the front surface 1a and the rear surface 1b of the bag body 1, but can be provided only on one side of the front surface 1a or the rear surface 1b. As shown in FIG. 6, a plate-like insole 31 sized to be inserted into the rice bag 1 is provided with a relief hole 32 at a position corresponding to the needle piercing holes 3 and 4 described above. The thickness T of the insole 31 is set to a value at which the tip 23a of the needle 23 does not jump out of the escape hole 32 as shown in FIG. The thickness T is set to be thick when the movement amount of the needle 23 in the vertical direction is large, and is set to be thin when the movement amount is small.

中敷き31を米袋1の中へ挿入して位置決めして前記針刺し工具21を作用させると、針23が米袋1の後面1bに突き刺さり、針刺し孔3,4が形成される。針23の先端23aは中敷き31の逃がし穴32から飛び出さないので、袋体1の前面1aには針刺し孔3,4が形成されない。従って、袋体1の前面1aまたは後面1bのいずれか一方にのみ針刺し孔3,4を形成したい場合は、中敷き31を使用するとよい。   When the insole 31 is inserted into the rice bag 1 and positioned and the needle stab tool 21 is operated, the needle 23 pierces the rear surface 1b of the rice bag 1 and the needle piercing holes 3 and 4 are formed. Since the tip 23 a of the needle 23 does not jump out of the escape hole 32 of the insole 31, the needle piercing holes 3 and 4 are not formed in the front surface 1 a of the bag body 1. Therefore, when it is desired to form the needle piercing holes 3 and 4 only on either the front surface 1a or the rear surface 1b of the bag body 1, the insole 31 may be used.

次に、他の実施の形態について説明する。図8は米袋11の構成を概略的に示す斜視図である。
前記米袋11は、シート状フィルムを2枚重ね合わせて両側縁と底部をヒートシールしたもので、両側縁のシール部12と底部のシール部13が形成されて閉塞している。
Next, another embodiment will be described. FIG. 8 is a perspective view schematically showing the configuration of the rice bag 11.
The rice bag 11 is formed by stacking two sheet-like films and heat-sealing both side edges and bottom, and is closed by forming seal parts 12 on both side edges and seal parts 13 on the bottom.

米袋11においては、銘柄や産地が大きく印刷される前面11aには針刺し孔が加工されず、精米業者名や注意書き等が印刷される後面 11bの底部のコーナー部に針刺し孔14、上部のコーナー部に針刺し孔15が加工されている。前述の針刺し工具21と中敷き31を使用して加工される。米を充填した後、チューブ状フィルムの上縁がヒートシールされてシール部(図示略す)が形成され密封される。   In the rice bag 11, the needle puncture hole 14 is not formed in the front surface 11a on which the brand and the production area are printed, and the needle puncture hole 14 is formed in the bottom corner portion of the rear surface 11b on which the name of the rice miller and the cautionary note are printed. The needle piercing hole 15 is processed in the part. Processing is performed using the needle piercing tool 21 and the insole 31 described above. After filling with rice, the upper edge of the tubular film is heat-sealed to form a seal portion (not shown) and sealed.

上述の米袋11においては、後面 11bにのみ針刺し孔14、15が設けられているので、米袋11の銘柄や産地表示面を上にして平らに段積みしたとき、針刺し孔14、15は上面側に位置しない。従って、配達運搬時等に万一雨がかかっても、水の侵入は防止される。   In the rice bag 11 described above, the needle puncture holes 14 and 15 are provided only on the rear surface 11b. Therefore, when the rice bag 11 is stacked flat with the brand and production area display surface facing upward, the needle puncture holes 14 and 15 Not located. Therefore, even if it rains during delivery and delivery, water intrusion is prevented.

は、この発明の実施の形態に係る米袋の構成を概略的に示す斜視図である。These are the perspective views which show schematically the structure of the rice bag which concerns on embodiment of this invention. は、同米袋に米を充填し、平らに横置きした平面図である。FIG. 3 is a plan view in which rice is filled in the same bag and placed horizontally. は、同米袋に加工する針刺し孔の範囲を示す平面図である。These are top views which show the range of the needle puncture hole processed into the same US bag. は、同米袋に針刺し孔を加工する針刺し工具の一例の断面図である。These are sectional drawings of an example of the needle stick tool which processes a needle stick hole in the same US bag. は、同米袋に加工された針刺し孔の拡大断面図である。FIG. 3 is an enlarged cross-sectional view of a needle puncture hole processed into the same US bag. は、同米袋の片面に針刺し孔を加工する装置を概略的に示す斜視図である。FIG. 3 is a perspective view schematically showing an apparatus for processing a needle puncture hole on one side of the same US bag. は、同米袋の片面に針刺し孔を加工する装置の拡大断面図である。These are the expanded sectional views of the apparatus which processes a needle puncture hole in the single side | surface of the same US bag. は、この発明の他の実施の形態に係る米袋の構成を概略的に示す斜視図である。These are the perspective views which show schematically the structure of the rice bag which concerns on other embodiment of this invention. は、従来の米袋の構成を示す平面図である。These are top views which show the structure of the conventional rice bag. は、同米袋に米を充填した状態を概略的に示す斜視図である。FIG. 2 is a perspective view schematically showing a state in which rice is filled in the same rice bag. は、同米袋に米を充填したときのスリットの変形状態を拡大した斜視図である。These are the perspective views which expanded the deformation | transformation state of the slit when the rice bag was filled with rice.

符号の説明Explanation of symbols

1・・・米袋
2・・・底部ヒートシール部
3・・・底部針刺し孔
4・・・上部針刺し孔
5・・・上部ヒートシール部
11・・米袋
14・・底部針刺し孔
15・・上部針刺し孔
21・・針刺し工具
31・・中敷き

DESCRIPTION OF SYMBOLS 1 ... Rice bag 2 ... Bottom heat seal part 3 ... Bottom needle stick hole 4 ... Upper needle stick hole 5 ... Upper heat seal part 11 ... Rice bag 14 ... Bottom needle stick hole 15 ... Upper needle stick Hole 21 ... Needle stick tool 31 ... Insole

Claims (2)

米を収容するプラスチックフィルム製の米袋1であって、米が充填され、かつ平らに配置されたときに米が密集せず空隙が形成される袋の四隅に、針刺し孔3、4が設けられていることを特徴とする米袋。   Needle piercing holes 3 and 4 are provided at the four corners of a plastic film rice bag 1 for containing rice, which is filled with rice and where rice is not densely packed and formed with voids when placed flat. A rice bag characterized by 米袋1の四隅のコーナーCをそれぞれ中心とし、袋巾Wの25%を半径とする範囲に針刺し孔3、4が設けられていることを特徴とする米袋。

(1)
A rice bag characterized in that needle piercing holes 3 and 4 are provided in a range in which the corners C at the four corners of the rice bag 1 are the center and 25% of the bag width W is a radius.

(1)
JP2005257729A 2005-09-06 2005-09-06 Rice bag Pending JP2007069941A (en)

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JP2005257729A JP2007069941A (en) 2005-09-06 2005-09-06 Rice bag

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014024551A (en) * 2012-07-24 2014-02-06 Kumagai:Kk Method of forming vent of packaging bag, method of sealing the packaging bag, and pin for forming vent
CN109911388A (en) * 2018-12-18 2019-06-21 进佳科技(国际)有限公司 Fresh-keeping Packaging for Fruits and Vegetables bag
JP2019189313A (en) * 2018-04-27 2019-10-31 デンカ株式会社 Packaging container
EP2969480B1 (en) 2013-03-13 2020-05-27 Mars, Incorporated Method of sealing pet food bags

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014024551A (en) * 2012-07-24 2014-02-06 Kumagai:Kk Method of forming vent of packaging bag, method of sealing the packaging bag, and pin for forming vent
EP2969480B1 (en) 2013-03-13 2020-05-27 Mars, Incorporated Method of sealing pet food bags
US11440693B2 (en) 2013-03-13 2022-09-13 Mars, Incorporated Manufacturing process for packaged pet food
JP2019189313A (en) * 2018-04-27 2019-10-31 デンカ株式会社 Packaging container
CN109911388A (en) * 2018-12-18 2019-06-21 进佳科技(国际)有限公司 Fresh-keeping Packaging for Fruits and Vegetables bag
CN109911388B (en) * 2018-12-18 2020-10-02 进佳科技(国际)有限公司 Fruit and vegetable fresh-keeping packaging bag

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