JP2666019B2 - Easy-open tape-sealed bag - Google Patents

Easy-open tape-sealed bag

Info

Publication number
JP2666019B2
JP2666019B2 JP4075782A JP7578292A JP2666019B2 JP 2666019 B2 JP2666019 B2 JP 2666019B2 JP 4075782 A JP4075782 A JP 4075782A JP 7578292 A JP7578292 A JP 7578292A JP 2666019 B2 JP2666019 B2 JP 2666019B2
Authority
JP
Japan
Prior art keywords
bag
tape
fusion
film
sealed bag
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.)
Expired - Fee Related
Application number
JP4075782A
Other languages
Japanese (ja)
Other versions
JPH05246445A (en
Inventor
功 豊嶋
文男 石井
Original Assignee
株式会社豊石プランニング
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社豊石プランニング filed Critical 株式会社豊石プランニング
Priority to JP4075782A priority Critical patent/JP2666019B2/en
Publication of JPH05246445A publication Critical patent/JPH05246445A/en
Application granted granted Critical
Publication of JP2666019B2 publication Critical patent/JP2666019B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、袋の中央部にタテ融着
部を有し、タテ融着部と直交する両端にそれぞれヨコ融
着部を有する、いわゆるピロー型の密封袋において、破
袋を防止するためにタテ融着にテープを使用するテープ
貼り袋を、より製造容易にし、且つ開封容易にした易開
封テープ貼り密封袋に関する。
BACKGROUND OF THE INVENTION The present invention relates to a so-called pillow type sealed bag having a vertical fusion spliced portion at the center of the bag and a horizontal fusion spliced portion at both ends orthogonal to the vertical fusion spliced portion. The present invention relates to an easy-opening tape-attached sealed bag which makes a tape-attached bag using a tape for vertical fusion in order to prevent the bag easier to manufacture and easy to open.

【0002】[0002]

【従来の技術】従来、密封袋は1本ないし2本のタテ融
着部を設け、次いで両端をヨコ融着したものが使用され
ている。一般に融着部が少ない方が破袋のおそれがな
く、外観も優れ、タテ融着部が1本の3方シールと呼ば
れる密封袋が多用されている。3方シールの中でも、タ
テ融着部を袋の中央部に設けたものをピロー型の袋と呼
び、タテ融着方法としてはフィルムの内面と内面を貼り
合わせる合掌貼り、一方の端縁部の上に他方の端縁部を
重ねる封筒貼りなどが多用されていた。
2. Description of the Related Art Conventionally, a sealed bag is provided with one or two lengthwise fusion parts, and then the both ends are horizontally fused. In general, the smaller the number of fused portions, the less the risk of rupture of the bag, the better the appearance, and a sealed bag with one vertical fused portion called a three-way seal is often used. Among the three-sided seals, the one provided with the vertical fusion part in the center of the bag is called a pillow-type bag. An envelope pasting the other edge on top has often been used.

【0003】合掌貼り袋はヨコ融着部において、融着部
の隙間から液体、気体などの流動性成分が漏洩する、い
わゆるトンネル現象があり、密封性において問題があっ
た。一方、封筒貼り袋はフィルムの内面と外面の両方が
融着するため、フィルムの両面に熱融着性層を設けねば
ならず、フィルムが高価になりがちであった。また、作
業上もフィルムが機械の高温部に付着しがちで問題があ
った。
[0003] The gasket-attached bag has a so-called tunnel phenomenon in which fluid components such as liquid and gas leak from gaps between the fusion parts in the horizontal fusion part, and there is a problem in hermeticity. On the other hand, in the envelope-attached bag, since both the inner surface and the outer surface of the film are fused, a heat-fusible layer must be provided on both surfaces of the film, and the film tends to be expensive. In addition, there is a problem in that the film tends to adhere to the high temperature part of the machine in the operation.

【0004】テープ貼り袋はタテ融着部としてフィルム
の両端縁部を接触させ、裏面から、両面に熱融着性層を
有するテープを熱融着した後、タテ融着部と直交する両
端をヨコ融着した袋である。ヨコ融着部に挟まれたテー
プはタテ融着とヨコ融着の両機能を必要とするため、両
面に熱融着性層を設ける必要がある。
[0004] The tape-attached bag is formed by vertically fusing a tape having a heat-fusible layer on both sides from the back surface by bringing both ends of the film into contact as a vertical fusion-bonded portion, and then bonding both ends orthogonal to the vertical fusion-bonded portion. It is a bag with horizontal fusion. Since the tape sandwiched between the horizontal fusion parts needs both the functions of vertical fusion and horizontal fusion, it is necessary to provide heat-fusible layers on both sides.

【0005】テープ貼り袋においては破袋の応力は、合
掌貼り袋のように直接融着部位を剥がす力ではなく、テ
ープとフィルムとの間のズレ応力であるため、融着力が
余り大きくなくとも破袋の恐れがないという長所を有す
る。
[0005] In the case of a tape-attached bag, the stress of breaking the bag is not a force for directly peeling off the fused portion as in the case of a gas-sealed bag, but a displacement stress between the tape and the film. It has the advantage that there is no risk of bag breakage.

【0006】[0006]

【発明が解決しようとする課題】しかしながら、テープ
貼り袋は液漏れがなく好ましい袋であるが、開封が困難
であった。更にテープとして両面に熱融着性層を設けね
ばならなず煩雑であった。そこで、テープ貼り袋であり
ながら、一方の面のみに熱融着性層を有するテープを用
い、液漏れがなく、且つ開封が容易で、場合によっては
再密封も可能な密封袋が求められていた。
However, although the tape-attached bag is a preferable bag without liquid leakage, it is difficult to open the bag. Furthermore, the heat-fusible layer must be provided on both sides as a tape, which is complicated. Therefore, there is a need for a sealed bag that uses a tape having a heat-fusible layer on only one surface, which is a tape-attached bag, has no liquid leakage, is easy to open, and can be resealed in some cases. Was.

【0007】[0007]

【課題解決の手段】本発明は上記課題を解決することを
目的とし、その構成は、内側が熱融着性層であるフィル
ムからなり、袋の一方の面にタテ融着部が存在する密封
袋であって、フィルムの両端が外側に折曲げられて2列
の折返し面を形成し、該2列の折返し面を覆って内面に
熱融着性層を有する融着テープが融着され、フィルムの
タテ融着部と直交する両端部がヨコ融着されていると共
に、ヨコ融着部とフィルムのヨコ切断線との間に指でつ
まめる長さ、好ましくは4〜15mmの非融着部を残
し、テープの長さ方向端部の非融着部を引張って開封で
きることを特徴とする。
An object of the present invention is to solve the above-mentioned problems, and the structure of the bag is such that the inside is formed of a film which is a heat-fusible layer, and the bag has a vertical fused portion on one surface. A bag, wherein both ends of the film are bent outward to form two rows of folded surfaces, and a fusion tape having a heat-fusible layer on the inner surface covering the two rows of folded surfaces is fused, Both ends orthogonal to the vertical fusion bonding portion of the film are horizontal-fused, and the length pinched by a finger between the horizontal fusion bonding portion and the horizontal cutting line of the film, preferably a non-fusing portion of 4 to 15 mm And the unsealed portion at the longitudinal end of the tape can be pulled open.

【0008】本発明における密封袋の素材は、ポリプロ
ピレン、ポリエステル、ポリエチレン、ナイロンなどの
各種プラスチックフィルム及びこれらの積層体或いはこ
れらと他の素材との積層体からなる基材フィルムの内面
に、低融点を有する低密度ポリエチレン、エチレン−酢
酸ビニル共重合体などの熱融着性層を設けたものであ
る。或いは、基材がポリエチレンフィルム、ポリプロピ
レンフィルムなど、それ自体熱融着性のフィルムであれ
ば特に熱融着性層を設けず、単層のフィルムであっても
差支えない。
[0008] The material of the sealed bag in the present invention is a plastic film such as polypropylene, polyester, polyethylene, nylon or the like, a laminate of these or a base film composed of a laminate of these and other materials, having a low melting point. And a heat-fusible layer such as low-density polyethylene or ethylene-vinyl acetate copolymer having Alternatively, if the substrate is a heat-sealing film itself such as a polyethylene film or a polypropylene film, a heat-sealing layer is not particularly provided, and a single-layer film may be used.

【0009】袋の形態は1本のタテ融着線を袋の一方の
面の中央部に設けたいわゆるピロー型であり、タテ融着
線が袋の一方の面に端部に偏っていても、折れ目線と一
致していなければ差支えない。また、両端部にガセット
折込みを設けたガセット型の袋も使用できる。この場合
は大量の内容物を充填できて好ましい。本発明における
タテ融着部とは袋を形成するフィルムの長さ方向に設け
られた融着部であり、ヨコ融着部とは袋を形成するフィ
ルムの横断方向に設けられた融着部であり、完成した袋
の長さの比率と無関係である。
The form of the bag is a so-called pillow type in which one vertical fusion line is provided at the center of one surface of the bag, and even if the vertical fusion line is biased toward the end on one surface of the bag. If it does not match the fold line, it does not matter. Gusset-type bags having gusset folds at both ends can also be used. In this case, a large amount of contents can be filled, which is preferable. The vertical fusion part in the present invention is a fusion part provided in the length direction of the film forming the bag, and the horizontal fusion part is a fusion part provided in the transverse direction of the film forming the bag. Yes, independent of the finished bag length ratio.

【0010】本発明の密封袋は製袋に先立ち、原料フィ
ルムの長さ方向両端縁部を接近させて筒状とし、両端縁
部を外側に折返して折返し面を形成する。折返し面の両
端は、折れ目線である折返し線と、フィルムの切断線で
ある折返し面端縁線であり、折返し面の幅は15mm〜
30mmが好ましい。2本の折返し線は接触しているこ
とが好ましいが、必ずしも接触している必要はなく、多
少の隙間があっても差支えない。しかし、テープとして
粘着テープを用い、再密封可能な密封袋を製造する場合
には間隙の存在は好ましくなく、むしろ折返し線が重な
り合った状態の方が内容物に粘着剤が接触するおそれが
なく好ましい。
Prior to bag making, the sealed bag of the present invention is formed by making both ends in the longitudinal direction of the raw material film close to each other to form a tube, and turning both ends outward to form a folded surface. Both ends of the folded surface are a folded line that is a fold line and a folded surface edge line that is a cutting line of the film, and the width of the folded surface is 15 mm or more.
30 mm is preferred. The two folded lines are preferably in contact with each other, but need not necessarily be in contact with each other, and there may be some gaps. However, when an adhesive tape is used as a tape and a resealable sealed bag is manufactured, the presence of a gap is not preferable. .

【0011】融着テープ或いは粘着テープは2本の折返
し面の和より幅の狭いテープを用いる。熱融着性層は一
方の面、すなわち、折返し面と接触する内面に設ければ
充分であるが、両面に設けても差支えない。テープの貼
着にあたってはテープ幅の中央部が折返し線を覆うよう
にして貼着する。
As the fusing tape or the adhesive tape, a tape narrower than the sum of the two folded surfaces is used. It is sufficient if the heat-fusible layer is provided on one surface, that is, on the inner surface in contact with the folded surface, but may be provided on both surfaces. When attaching the tape, the tape is attached such that the center of the tape width covers the folding line.

【0012】ヨコ融着にあたっては、ヨコ融着部とフィ
ルムの切断線との間に指でつまめる長さ、すなわち、4
〜15mm、好ましくは8〜15mm残して内側を融着
することが好ましい。このように融着するとヨコ融着部
の外側のテープの非融着部をつまむことが容易であり、
テープを端部から容易に剥がすことができ、この剥がれ
は容易に伝播し、図3に示すように、一方のヨコ融着部
から他方のヨコ融着部に向かってタテ融着部が一挙に開
封していく。
In the horizontal fusion bonding, a length pinched by a finger between the horizontal fusion bonding portion and the cutting line of the film, that is, 4 mm
It is preferable to fuse the inner side while leaving 〜15 mm, preferably 8〜15 mm. With this fusion, it is easy to pinch the non-fusion part of the tape outside the horizontal fusion part,
The tape can be easily peeled off from the end, and this peeling can be easily propagated, and as shown in FIG. 3, the vertical fusion spliced portion moves from one horizontal fusion portion to the other horizontal fusion portion at once. I will open it.

【0013】[0013]

【作用】密封袋においては、破袋は主としてタテ融着部
から始まる。本発明のテープ貼り密封袋においては破袋
の応力がズレ応力として作用するため、比較的剥離強度
の小さいテープを用いてタテ融着部を貼着しても破袋の
おそれがないことに着目して完成したものである。
In a sealed bag, the breaking of the bag starts mainly from the vertical fused portion. In the tape-attached sealed bag of the present invention, since the stress of the bag break acts as a displacement stress, attention is paid to the fact that there is no risk of the bag being broken even if the vertical fusion-bonded portion is stuck using a tape having a relatively small peel strength. It was completed.

【0014】すなわち、フィルムのタテ方向両端縁部を
外側に折返して2本の折返し面を設け、この折返し面を
覆ってテープを貼着することにより、テープを袋の外側
に設けることに成功した。更に開封を容易にするために
テープの長さ方向両端部を貼着せずに残した。その結
果、テープを外側の長さ方向端部から剥がすことが可能
になり、密封袋の一方の面、特に中央部をタテ方向にヨ
コ融着部とヨコ融着部の全幅にわたって開封することが
できる。
That is, by folding both ends of the film in the vertical direction outward to provide two folded surfaces, and covering the folded surfaces with a tape, the tape was successfully provided outside the bag. . Further, in order to facilitate opening, both ends in the length direction of the tape were left unattached. As a result, it is possible to peel off the tape from the outer longitudinal end, and it is possible to open one side of the sealed bag, particularly the central portion, in the vertical direction over the entire width of the horizontal fusion portion and the horizontal fusion portion. it can.

【0015】[0015]

【実施例】図1は本発明密封袋の1実施例のタテ融着部
を設けた側の平面図であり、図2は図1のII−II線
端面図であり、図3は開封途中の状態を示す斜視図であ
る。
FIG. 1 is a plan view of a side of a sealed bag according to an embodiment of the present invention on which a vertical fusion bonding portion is provided, FIG. 2 is an end view taken along the line II-II of FIG. 1, and FIG. It is a perspective view which shows the state of.

【0016】1は密封袋、2はフィルムの長さ方向の両
端縁線を外側に折返してなる折返し面である。折返し面
2は一端が折返し面端縁線3であり、他端が折返し線4
である。折返し線4は図1においては正確に接触して1
本の線を形成しているが、場合によっては多少開いてい
ても差支えない。折返し面2の幅は20mmであり、両
折返し面の和は40mmであった。
Reference numeral 1 denotes a sealed bag, and reference numeral 2 denotes a folded surface formed by folding both edge lines in the longitudinal direction of the film outward. The folded surface 2 has a folded surface edge line 3 at one end and a folded line 4 at the other end.
It is. The folded line 4 is exactly in contact with
The lines are formed, but may be slightly open in some cases. The width of the folded surface 2 was 20 mm, and the sum of the two folded surfaces was 40 mm.

【0017】両折返し面2上の中央部には融着テープ5
を融着した。融着テープ5の幅は30mmであり、両端
縁部に各7mm残して中央部の16mmを熱融着した。
13は融着部、6は融着されずに残った浮き部分であ
る。7はヨコ融着部であり、本実施例においてはフィル
ム端縁線とヨコ融着部との間に8mmの非融着部8を残
した。本実施例の密封袋は600g〜1kgの剥離強度
であり、破袋のおそれなく、かつ容易に開封することが
できた。10は熱融着性層であり、11は基材層であ
る。
At the center on both folded surfaces 2, a fusion tape 5
Was fused. The width of the fusion tape 5 was 30 mm, and 16 mm at the center portion was thermally fused while leaving 7 mm at each end edge.
Reference numeral 13 denotes a fused portion, and reference numeral 6 denotes a floating portion left without being fused. Reference numeral 7 denotes a horizontal fusion-bonded portion. In this embodiment, a non-fusion portion 8 of 8 mm is left between the film edge line and the horizontal fusion-bonded portion. The sealed bag of this example had a peel strength of 600 g to 1 kg, and could be easily opened without fear of breaking the bag. Reference numeral 10 denotes a heat-fusible layer, and 11 denotes a base material layer.

【0018】開封するにあたっては、一方のヨコ融着部
7の外側の非融着部8で融着されずに残ったテープの長
さ方向端部をつまんで引張ると比較的剥離強度が小さい
ため、図3に示すように手指の力で融着テープが長さ方
向端部から剥離し、剥離はそのまま密封袋1の他方のヨ
コ融着部7まで伝播した。このようにして、袋の中央部
を広く開封することができた。12は内容物であり、図
3においてはしゅうまいを収納した袋を示した。
At the time of opening the tape, the end portion in the length direction of the tape which has not been fused at the non-fused portion 8 outside the horizontal fused portion 7 is pinched and pulled, so that the peel strength is relatively small. As shown in FIG. 3, the fusion tape was peeled off from the end in the length direction by the force of the fingers, and the peeling propagated as it was to the other horizontal fusion bonding portion 7 of the sealed bag 1. In this way, the central portion of the bag could be opened widely. Numeral 12 denotes the contents, and FIG. 3 shows a bag containing a room.

【0019】他の実施例として中央部のみに粘着剤を塗
布した粘着剤テープを用いて図1及び図2に示したと同
様のテープ貼りフィルムを製造した。この場合は折返し
線4は多少重なり合うようにして粘着テープを貼着し
た。本実施例においてはテープの剥離、開封が容易であ
るのみならず、すでに開封した密封袋を内容物が残った
状態で再度密封することが可能であり、小出し袋として
も利用できた。
As another example, a tape-attached film similar to that shown in FIGS. 1 and 2 was produced by using an adhesive tape having an adhesive applied only to the central portion. In this case, the adhesive tape was stuck so that the folded lines 4 slightly overlapped. In this embodiment, not only the tape can be easily peeled off and opened, but also the already opened sealing bag can be resealed with the contents remaining, and it can be used as a dispensing bag.

【0020】[0020]

【発明の効果】本発明によれば、比較的小さい剥離強度
で破袋のおそれのない密封袋を製造することができ、し
かも密封袋の長さ方向中央部をタテに開封することがで
きるため、密封袋の機能性が高まり、菓子類、トレイ包
装品、トレイ代用パック、その他種々の内容物を密封す
る袋として利用できる。更に、電子レンジにより加熱し
て食する内容物の場合には、上部の一部を開封して加熱
することが可能なため、他の密封袋と異なり広い用途を
有する。
According to the present invention, it is possible to manufacture a sealed bag having a relatively small peel strength and no risk of breakage, and it is possible to vertically open the longitudinal center of the sealed bag. The functionality of the sealed bag is enhanced, and it can be used as a bag for sealing confectionery, tray packaged goods, tray substitute packs, and other various contents. Further, in the case of contents that are heated and eaten by a microwave oven, since the upper part can be opened and heated, it has a wide application unlike other sealed bags.

【図面の簡単な説明】[Brief description of the drawings]

【図1】図1は本発明密封袋の1実施例のタテ融着部を
設けた側の平面図である。
FIG. 1 is a plan view of a side of a sealed bag according to an embodiment of the present invention on which a vertical fusion bonding portion is provided.

【図2】図2は図1のII−II線端面図である。FIG. 2 is an end view taken along line II-II of FIG.

【図3】図3は開封途中の状態を示す斜視図である。FIG. 3 is a perspective view showing a state during opening.

【符号の説明】[Explanation of symbols]

1 密封袋 2 折返し面 3 折返し面端縁線 4 折返し線 5 融着テープ 6 浮き部分 7 ヨコ融着部 8 非融着部 9 テープ端縁線 10 熱融着性層 11 基材層 12 内容物 13 融着部 DESCRIPTION OF SYMBOLS 1 Sealing bag 2 Folded surface 3 Folded surface edge line 4 Folded line 5 Fusion tape 6 Floating part 7 Horizontal fusion part 8 Non-fusion part 9 Tape edge line 10 Heat fusion layer 11 Base material layer 12 Contents 13 Fusion part

Claims (3)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 内側が熱融着性層であるフィルムからな
り、袋の一方の面にタテ融着部が存在する密封袋であっ
て、フィルムの両端が外側に折曲げられて2列の折返し
面を形成し、該2列の折返し面を覆って内面に熱融着性
層を有する融着テープが融着され、フィルムのタテ融着
部と直交する両端部がヨコ融着されていると共に、ヨコ
融着部とフィルムのヨコ切断線との間に指でつまめる長
さの非融着部を残し、テープの長さ方向端部の非融着部
を引張って開封できることを特徴とする易開封テープ貼
り密封袋。
1. A sealed bag comprising a film having a heat-fusible layer on the inner side and a vertical fused portion on one side of the bag, wherein both ends of the film are bent outward to form two rows. A fusing tape that forms a folded surface, covers the two rows of folded surfaces, and has a heat-fusible layer on the inner surface is fused, and both ends of the film that are perpendicular to the vertical fused portion are horizontally fused. In addition, a non-fused portion of a length pinched by a finger is left between the horizontal fused portion and the horizontal cutting line of the film, and the non-fused portion at the longitudinal end of the tape can be pulled open. Sealable bag with easy-open tape.
【請求項2】 指でつまめる長さが4〜15mmである
請求項1記載の易開封テープ貼り密封袋。
2. The sealed bag according to claim 1, wherein the length to be pinched by a finger is 4 to 15 mm.
【請求項3】 指でつまめる長さが8〜15mmである
請求項1記載の易開封テープ貼り密封袋。
3. The sealed bag according to claim 1, wherein the length to be pinched by a finger is 8 to 15 mm.
JP4075782A 1992-02-28 1992-02-28 Easy-open tape-sealed bag Expired - Fee Related JP2666019B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4075782A JP2666019B2 (en) 1992-02-28 1992-02-28 Easy-open tape-sealed bag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4075782A JP2666019B2 (en) 1992-02-28 1992-02-28 Easy-open tape-sealed bag

Publications (2)

Publication Number Publication Date
JPH05246445A JPH05246445A (en) 1993-09-24
JP2666019B2 true JP2666019B2 (en) 1997-10-22

Family

ID=13586133

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4075782A Expired - Fee Related JP2666019B2 (en) 1992-02-28 1992-02-28 Easy-open tape-sealed bag

Country Status (1)

Country Link
JP (1) JP2666019B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5928553A (en) * 1997-01-22 1999-07-27 Kabushiki Kaisha Hoseki Planning Sealed bag for microwave heating

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004136979A (en) * 2003-11-18 2004-05-13 Houseki Planning:Kk Sealing bag using adhesive tape
JP2006347615A (en) * 2005-06-20 2006-12-28 Dainippon Printing Co Ltd Sterilizing bag
KR100956942B1 (en) * 2008-05-15 2010-05-11 김영옥 Carriae bag and manufacture method of the same
CN115820142B (en) * 2022-11-25 2023-06-06 宁波申山新材料科技有限公司 PVC electrical adhesive tape for fireproof cable, and processing method and pasting method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5468237A (en) * 1977-11-10 1979-06-01 Oriental Photo Ind Co Ltd Belt for tank developing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5928553A (en) * 1997-01-22 1999-07-27 Kabushiki Kaisha Hoseki Planning Sealed bag for microwave heating

Also Published As

Publication number Publication date
JPH05246445A (en) 1993-09-24

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