JP3143400U - Rice packaging bags - Google Patents
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- JP3143400U JP3143400U JP2008002954U JP2008002954U JP3143400U JP 3143400 U JP3143400 U JP 3143400U JP 2008002954 U JP2008002954 U JP 2008002954U JP 2008002954 U JP2008002954 U JP 2008002954U JP 3143400 U JP3143400 U JP 3143400U
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Abstract
【課題】米包装用袋に関し、所定の容量ごとに米を連続的に充填する袋を、従来使用していた添加剤を用いないで袋の表面にマット感を有し、袋の米充填口を開き易くし、且つヒートシールを高くして強度を増大して破袋し難くし、充填後密封した際に袋体内の空気を袋体底部から確実且つ容易に脱気できるようにした。
【解決手段】米包装袋において、ポリエチレン溶融原料に中和剤、酸化防止剤、アンチブロッキング剤、スリップ剤、帯電防止剤等の添加剤が全く用いられないメタロセン触媒で重合された直鎖状低密度ポリエチレン樹脂で米包装用袋体1を成形し、その成形した袋体底辺3’の付近に当該底辺方向に沿って複数条に溶着して迷路シール31・32を成形して有底部3とし、その有底部を成形する際に上下に隣り合う迷路シール31・32の未溶着部位g1・g2、gを互いに食い違い的に形成する。
【選択図】図1The present invention relates to a rice packaging bag, which has a mat feeling on the surface of the bag without using any additive that has been used in the past, and that fills the rice continuously for each predetermined volume. The bag is made easy to open, and the heat seal is increased to increase the strength and make it difficult to break the bag. When sealed after filling, the air in the bag body can be surely and easily deaerated from the bottom of the bag body.
In a rice packaging bag, a linear low polymer polymerized with a metallocene catalyst in which additives such as a neutralizing agent, an antioxidant, an antiblocking agent, a slip agent, and an antistatic agent are not used at all in a polyethylene melt raw material. The rice packaging bag 1 is formed of a density polyethylene resin, and the labyrinth seals 3 1 and 3 2 are formed by welding to a plurality of strips along the bottom direction in the vicinity of the bottom 3 ′ of the molded bag. 3. When forming the bottomed portion, unwelded portions g 1 , g 2 , g of the maze seals 3 1 , 3 2 adjacent to each other are formed in a staggered manner.
[Selection] Figure 1
Description
本考案は、米包装用袋に関し、所定の容量ごとに米を連続的に充填する袋を、従来使用していた添加剤を用いないで袋の表面にマット感を有し、袋の米充填口を開き易くし、且つヒートシール(熱溶着)性を高くして強度を増大して破袋し難くし、充填後密封した際に袋体内の空気を袋体底部から確実且つ容易に脱気できるようにしたものである。 The present invention relates to a rice packaging bag, which has a mat feeling on the surface of the bag without using additives that have been used in the past. Easily open the mouth and increase heat seal (heat welding) to increase strength and make it difficult to break the bag. When sealed after filling, the air inside the bag is surely and easily deaerated from the bottom of the bag. It is something that can be done.
一般に、食品包装材料として用いられるポリエチレンの種類として、一番標準的的で、高圧法低密度ポリエチレン(LDPE=通称LD)、スーパーマーケットで買い物を入れるためのレジ袋に用いられる、中低圧法高密度ポリエチレン(HDPE=通称HD)、シール性能や物理的強度に優れた直鎖状低密度ポリエチレン(LLDPE=通称LLD)が知られている。 Generally, it is the most standard type of polyethylene used as food packaging material, high-pressure low-density polyethylene (LDPE = LD), medium-low pressure high-density used in shopping bags for shopping in supermarkets Polyethylene (HDPE = common name HD) and linear low density polyethylene (LLDPE = common name LLD) excellent in sealing performance and physical strength are known.
そして、上記の食品包装材料のポリエチレンに使用される添加剤とその化合物の例としては、中和剤(ステアリン酸Ca)、酸化防止剤(フェノール系、リン系)、アンチブロッキング剤(シリカ、ゼオライト、ポリマービーズ)、スリップ剤(脂肪酸アミド)、帯電防止剤(グリセリン)がある。 Examples of additives and compounds used for polyethylene in the above food packaging materials include neutralizers (Ca stearate), antioxidants (phenolic and phosphorus), antiblocking agents (silica, zeolite) Polymer beads), slip agents (fatty acid amides), and antistatic agents (glycerin).
上記の各添加材において、中和剤は、触媒残渣の中和効果を有し、酸化防止剤は、フィルム加工時の熱安定性を有し、アンチブロッキング剤(AB剤)は、フィルム包装材のブロッキング防止効果を有し、スリップ剤は、フィルム包装材の開口性改良が可能であり、帯電防止剤は、粉体包装時の飛散防止効果を有している。 In each of the above additives, the neutralizing agent has a neutralizing effect on the catalyst residue, the antioxidant has thermal stability during film processing, and the anti-blocking agent (AB agent) is a film packaging material. The slip agent can improve the opening of the film packaging material, and the antistatic agent has the effect of preventing scattering during powder packaging.
かつては、ポリエチレンで「無添加」といえば、高圧法低密度ポリエチレン(LD)が代表的な存在であった。しかしながら、前記のLDには、強度が弱くて破れ易いこと、ヒートシール性が低くて破袋しやすい。 In the past, high-pressure low-density polyethylene (LD) was a typical presence when polyethylene was referred to as “no additive”. However, the LD is weak in strength and easily broken, and has a low heat sealability and easily breaks the bag.
上記各添加剤の課題としては、中和剤は、添加剤のブリード(噴出し)による内容物への移行や味の移行があり、酸化防止剤は、同じく内容物の移行と、フィルムの変色(黄変)があり、アンチブロッキング剤は、添加剤由来の臭気とフィルの傷付きが発生しやすい。スリップ剤は、臭気の発生と内容物への移行があり、帯電防止剤には内容物への移行がある。 The problems with each of the above-mentioned additives are that the neutralizer is transferred to the contents and the taste is transferred due to bleed (spout) of the additive, and the antioxidant is also transferred to the contents and the discoloration of the film. (Yellowing), and anti-blocking agents tend to cause odors and fill scratches derived from additives. Slip agents have odor generation and transfer to contents, and antistatic agents have transfer to contents.
そこで、本考案は食品包装材のうち、特に米包装専用の袋の改良に係るものである。本考案の第1は、米包装用袋において、ポリエチレン溶融原料に中和剤、酸化防止剤、アンチブロッキング剤、スリップ剤、帯電防止剤等の添加剤が全く用いられないメタロセン触媒で重合された直鎖状低密度ポリエチレン樹脂で米包装用袋体を成形し、その袋体開口部と対向する袋体有底部を底辺方向に沿って僅少間隔を有する未溶着部位を形成した迷路シールを設けるようにしたものである。 Therefore, the present invention relates to the improvement of a bag dedicated to rice packaging, among food packaging materials. The first of the present invention was a polymer for a rice packaging bag, which was polymerized with a metallocene catalyst in which no additive such as a neutralizing agent, an antioxidant, an antiblocking agent, a slipping agent or an antistatic agent was used in a polyethylene melt raw material. Forming a bag body for rice packaging with a linear low density polyethylene resin and providing a labyrinth seal in which a bottom portion of the bag body facing the bag body opening is formed with an unwelded portion with a slight interval along the bottom side It is a thing.
本考案の第2は、米包装用袋において、ポリエチレン溶融原料に中和剤、酸化防止剤、アンチブロッキング剤、スリップ剤、帯電防止剤等の添加剤が全く用いられないメタロセン触媒で重合された直鎖状低密度ポリエチレン樹脂で米包装用袋体を成形し、その袋体開口部と対向する袋体有底部を底辺方向に沿って僅少間隔を有する未溶着部位を形成した迷路シールを設けるようにしたものである。 The second aspect of the present invention is a rice packaging bag, which is polymerized with a metallocene catalyst in which additives such as a neutralizing agent, an antioxidant, an antiblocking agent, a slipping agent, and an antistatic agent are not used at all in a polyethylene melt raw material. Forming a bag body for rice packaging with a linear low density polyethylene resin and providing a labyrinth seal in which a bottom portion of the bag body facing the bag body opening is formed with an unwelded portion with a slight interval along the bottom side It is a thing.
本考案は上記の構成であるから、次のような効果がある。すなわち、本考案の構成にポリエチレン原料に中和剤を添加しないということは、触媒にハロゲン成分(塩素)を一切含まないことである。したがって、中和剤を添加しているポリエチレンに比べて、その添加剤のブリード(噴出し)による内容物への移行がなくなる。また、添加剤由来の臭いや味の移行がない。続いて、酸化防止剤が原因となるフィルムの変色がなくなる。さらに、本発明によれば、乳製品包装に関する「乳等省令」にも適用できる。 Since the present invention has the above configuration, the following effects are obtained. That is, the fact that no neutralizing agent is added to the polyethylene raw material in the configuration of the present invention means that the catalyst does not contain any halogen component (chlorine). Therefore, compared with polyethylene to which a neutralizing agent is added, there is no transfer to the contents due to bleeding of the additive. Moreover, there is no transfer of the odor and taste derived from an additive. Subsequently, discoloration of the film caused by the antioxidant is eliminated. Furthermore, according to the present invention, the present invention can also be applied to “Ministerial Ordinance for Milk” related to dairy packaging.
そして、本考案の構成によれば、耐電防止剤を添加していないことにより、従来のポリエチレン製袋体表面がつるつるの滑らかであるのに対して、サラサラとして上質なマット外観を有している。 And according to the configuration of the present invention, since the surface of the conventional polyethylene bag body is smooth and smooth due to the absence of an antistatic agent, it has a fine matte appearance as smooth. .
また、本考案の袋体は、フィルムインパクト(1/2inch)が従来の無添加ポリエチレン樹脂製袋体(例えば、ノバテックLD LF240)に比べて約3倍程高い強度が得られ破袋し難い効果がある。さらに、ヒートシール温度(at 5N)も、従来のポリエチレン製袋体の約124℃に比べて約118℃と低温のヒートシールが得られる。 In addition, the bag of the present invention has a film impact (1/2 inch) that is about three times as high as conventional additive-free polyethylene resin bags (for example, Novatec LD LF240) and is difficult to break. There is. Furthermore, the heat seal temperature (at 5N) is about 118 ° C., which is lower than that of the conventional polyethylene bag of about 124 ° C., and a heat seal can be obtained.
さらに、アンチブロッキング50℃(N/10cm2)について、従来のポリエチレン製袋体の13.6に対して5.2と約2分の1以下の低ブロッキング数値が得られる。 Furthermore, for anti-blocking 50 ° C. (N / 10 cm 2 ), a low blocking value of 5.2 or less than about 1/2 is obtained for 13.6 of the conventional polyethylene bag.
その他、本考案は、米充填のときに一緒に入り込んだ空気は、袋体底部の複数条の迷路シールの未溶着部を通って袋体外部に脱気される。このとき、袋体内の米粒は隣り合う迷路シールの未溶着部が互いに食い違い的に形成されていることにより、袋体外にこぼれ落ちるのが防止される。 In addition, according to the present invention, the air that has entered together when filling the rice is deaerated out of the bag body through the unwelded portion of the plurality of maze seals at the bottom of the bag body. At this time, the rice grains in the bag are prevented from spilling out of the bag because the unwelded portions of the adjacent labyrinth seals are formed in a staggered manner.
本考案に係る米包装用袋の最良の形態は次の通りである。すなわち、ポリエチレン溶融原料に中和剤、酸化防止剤、アンチブロッキング剤、スリップ剤、帯電防止剤等の添加剤が全く用いられないメタロセン触媒で重合された直鎖状低密度ポリエチレン樹脂をインフレーション成形機のインフレーションフィルム成形工程で超長尺で円筒状のフィルムチューブ体を形成した後、扁平にしながら巻取機で巻き取ってチューブ体原反とする。 The best mode of the rice packaging bag according to the present invention is as follows. That is, a linear low density polyethylene resin polymerized with a metallocene catalyst in which no additive such as a neutralizing agent, an antioxidant, an antiblocking agent, a slipping agent, and an antistatic agent is used in a polyethylene melt raw material is an inflation molding machine. After forming an ultra-long and cylindrical film tube body in the inflation film forming step, the tube body is wound up with a winder while being flattened.
前記のチューブ体原反をグラビア印刷機の印刷工程でチューブ体原反表面に必要な印刷を施した後に巻取機で巻き取って印刷チューブ体原反とし、当該印刷チューブ原反を製袋機の製袋工程にかけ、印刷チューブ体原反から袋体底辺を成形する位置において、当該底辺方向に沿って熱溶着用のシールバーにより複数条の未溶着部付き迷路シールを成形する。 The tube body raw material is subjected to printing necessary on the surface of the tube body raw material in the printing process of the gravure printing machine, and then wound up with a winder to form a printing tube body raw material, and the printing tube raw material is used as a bag making machine. In the bag making process, at the position where the bottom of the bag body is formed from the printing tube body, a maze seal with a plurality of unwelded portions is formed by a heat-welding seal bar along the bottom direction.
その迷路シールと共に、上下に隣り合う迷路シールの未溶着部を互いに食い違い的に形成した有底部を所定距離をあけて連続して設けながら袋体原反として個袋にカットせずに巻取機に巻き取らせる。 Along with the labyrinth seal, a winder without cutting into a single bag as a bag body raw material while continuously providing a bottomed portion in which the unwelded portions of the labyrinth seals that are adjacent to each other are formed at a predetermined distance. Let it wind up.
そして、次工程の米充填機の米充填工程にかけて前位の袋体の迷路シール付き有底部の位置を後位の袋体の開口の位置とし、当該前位の袋体開口部から所定量の米を充填した後に当該開口部を密封すると共に、前位袋体の有底部となる迷路シールの外側を製袋機のカッター機構で裁断して個袋とし、開口を開いて米を充填した後に開口部をシールして米包装工程が完了する。 Then, the position of the bottom portion with the labyrinth seal of the front bag body is set as the position of the opening of the rear bag body through the rice filling process of the next rice filling machine, and a predetermined amount from the front bag body opening portion. After the rice is filled, the opening is sealed, and the outside of the labyrinth seal, which is the bottom of the front bag body, is cut with a cutter mechanism of the bag making machine into individual bags, the opening is opened and the rice is filled Sealing the opening completes the rice packaging process.
次に、本考案の実施例を図面に即して説明する。1はポリエチレン溶融原料に中和剤、酸化防止剤、アンチブロッキング剤、スリップ剤、帯電防止剤等の添加剤が全く用いられないメタロセン触媒で重合された直鎖状低密度ポリエチレン樹脂からなるフィルム製の袋体、2は袋体1の開口部、3はその袋体の有底部であり、底辺3′に沿って熱溶着によって複数条の脱気用迷路シール31・32を成形し、且つ上下に隣り合う迷路シール31・32の未溶着部位g1・g2、gを互いに食い違い的に形成してある。前記迷路シールの未溶着部位の一方は約5mmの間隔で横幅が約2mm、長さが約5mmの短い溶着線条と20mm程の長い溶着線条になっている。また、他方は約17mmの間隔で横幅が約2mm、長さが約44mmの長い溶着線条になっている。4は袋体の底部3の直上に所定の距離L2(約10mm)で左右両側に施した横長矩形の黒色の印刷表示であり、米自動充填機Dにおいて、袋体のカット位置とシール位置をセンサーで感知する目印になるものである。 Next, an embodiment of the present invention will be described with reference to the drawings. 1 is a film made of a linear low-density polyethylene resin polymerized with a metallocene catalyst that does not use any additives such as neutralizers, antioxidants, antiblocking agents, slip agents, antistatic agents, etc. 2 is an opening portion of the bag body 3, 3 is a bottomed portion of the bag body, and a plurality of degassing labyrinth seals 3 1 and 3 2 are formed by thermal welding along the bottom side 3 ′. In addition, unwelded portions g 1 , g 2 , and g of the maze seals 3 1 and 3 2 adjacent to each other in the vertical direction are formed in a staggered manner. One of the unwelded portions of the labyrinth seal is a short welding line having a lateral width of about 2 mm and a length of about 5 mm and a long welding line of about 20 mm at an interval of about 5 mm. The other is a long welding line having a width of about 2 mm and a length of about 44 mm at an interval of about 17 mm. 4 is a horizontally-long rectangular black printed display directly on the left and right sides at a predetermined distance L 2 (about 10 mm) immediately above the bottom 3 of the bag body. In the automatic rice filling machine D, the cutting position and the sealing position of the bag body It becomes a mark that is detected by the sensor.
「具体的な作業工程」
(1)チューブ体原反の製作
ポリエチレン溶融原料に中和剤、酸化防止剤、アンチブロッキング剤、スリップ剤、帯電防止剤等の添加剤が全く用いられないメタロセン触媒で重合された直鎖状低密度ポリエチレン樹脂をスクリュー押出機Aのインフレーション成形工程で超長尺のフィルムチューブ体を形成しながら巻取機A"で巻き取ってチューブ体原反1aとする。
(2)グラビア印刷原反の製作
チューブ原反をグラビア印刷機Bの印刷工程でチューブ原反表面に印刷を施した後に巻取機B"で巻き取って印刷原反1bとする。
(3)袋体原反の製作
繰出し機C′に掛けた印刷チューブ体原反1bを繰り出して製袋機Cの製袋工程に送り、印刷原反1bから袋体底辺部を成形する位置において、当該底辺方向に沿ってシールバーC1により複数条の未溶着部付き迷路シール31・32を成形すると共に、隣り合う迷路シール31・32の未溶着部g1・g2を互いに食い違い的に形成した袋体1の有底部3を所定距離Lをあけて連続して設けながら袋体原反1cとして巻取機C"に巻き取らせる。この製袋工程においては、製袋機Cに具備しているチューブ体原反を個袋1に加工するためのカッター機構C2は作動しないようにしてある。
(4)米充填用袋体の製作
米自動充填機Dの米充填工程において、袋体原反をカッターD1でカットして単一の袋体、すなわち個袋1とし、この個袋の開口部2を開口バーD3で開き、この状態で当該個袋を米供給部Dnまで移動させ停止し、米供給部Dnから所定量の米rを個袋に充填した後に開口部2を閉口バーD4で開口を閉じた後、シールバーD6で密封して取り出すことによって単一袋体への1回の米包装工程が完了する。
"Specific work process"
(1) Manufacture of the tube body The linear low polymer polymerized with a metallocene catalyst that does not use any additives such as neutralizers, antioxidants, antiblocking agents, slip agents, antistatic agents, etc. The density polyethylene resin is wound up by the winder A "while forming an ultra-long film tube body in the inflation molding process of the screw extruder A to obtain a tube body 1a.
(2) Production of Gravure Printing Material After the tube material is printed on the surface of the tube material in the printing process of the gravure printing machine B, the tube material is wound up by a winder B ″ to be a printing material 1b.
(3) Production of the bag body fabric At the position where the printing tube body fabric 1b hung on the feeding machine C 'is fed out and sent to the bag making process of the bag making machine C, and the bottom of the bag body is formed from the printing fabric 1b. , together forming a non-welded portion with labyrinth seal 3 1 - 3 2 of plural rows by seal bar C 1 along the bottom direction, the unwelded portion g 1 · g 2 of the adjacent labyrinth seal 3 1 - 3 2 The bottomed portion 3 of the bag body 1 formed in a staggered manner is continuously wound at a predetermined distance L while being wound around the winder C "as a bag body fabric 1c. In this bag making process, the bag making process is performed. The cutter mechanism C 2 for processing the tube body raw material provided in the machine C into the individual bag 1 is configured not to operate.
(4) in the United filling process of fabrication US automatic filling machine D rice filling bag, the bag raw single bag is cut by a cutter D 1, i.e. the number bag 1, the opening of the individual bags The part 2 is opened with the opening bar D 3 , and in this state, the individual bag is moved to the rice supply part Dn and stopped, and after filling a predetermined amount of rice r from the rice supply part Dn into the individual bag, the opening part 2 is closed. After closing the opening at D 4 , the rice bar is sealed with a seal bar D 6 and removed to complete one rice packaging process into a single bag.
本考案は、米包装のためのほか、自動充填機にかける他の穀物、例えば、麦、豆類やその他の分野における顆粒体の包装袋として適用することも可能である。 In addition to rice packaging, the present invention can also be applied as other cereal packaging bags for automatic grain filling, such as wheat, beans, and other fields.
1……単一の袋体(=個袋)
2……開口部
3……有底部
3′……袋体の底辺
31・32……迷路シール
A……インフレーションフィルム成形機
B……グラビア印刷機
C……製袋機
D……米自動充填機
g・g1・g2……未溶着部
1 ... Single bag (= individual bag)
2 …… Opening 3 …… Bottom 3 ′ …… Bottom of bag 3 1・ 3 2 …… Maze seal A …… Inflation film forming machine B …… Gravure printing machine C …… Bag making machine D …… Rice Automatic filling machine g ・ g 1・ g 2 …… Unwelded part
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2008002954U JP3143400U (en) | 2008-05-08 | 2008-05-08 | Rice packaging bags |
Applications Claiming Priority (1)
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JP2008002954U JP3143400U (en) | 2008-05-08 | 2008-05-08 | Rice packaging bags |
Publications (1)
Publication Number | Publication Date |
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JP3143400U true JP3143400U (en) | 2008-07-24 |
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JP2008002954U Expired - Lifetime JP3143400U (en) | 2008-05-08 | 2008-05-08 | Rice packaging bags |
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JP (1) | JP3143400U (en) |
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2008
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