JPH05237964A - Raw sheet for bag making - Google Patents

Raw sheet for bag making

Info

Publication number
JPH05237964A
JPH05237964A JP4329592A JP4329592A JPH05237964A JP H05237964 A JPH05237964 A JP H05237964A JP 4329592 A JP4329592 A JP 4329592A JP 4329592 A JP4329592 A JP 4329592A JP H05237964 A JPH05237964 A JP H05237964A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
sheets
along
sheet
raw
perforation
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.)
Granted
Application number
JP4329592A
Other languages
Japanese (ja)
Inventor
Takehisa Konda
武久 昆田
Original Assignee
Sanwa Resin Kogyo Kk
三和レジン工業株式会社
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

Links

Abstract

PURPOSE:To enhance the production efficiency of a packing bag by superposing two long sheets one upon another to bond the predetermined parts in the lateral direction of both sheets along the longitudinal direction thereof and forming a perforation along the bonded part so as to cut off both bonded sheets along the bonded part. CONSTITUTION:A raw sheet A is formed by superposing two long sheets 1, 2 each composed of a foamed synthetic resin sheet such as a polyethylene foamed sheet one upon another over the entire length in the longitudinal direction thereof to continuously bond the central parts in the lateral direction of both sheets 1, 2 over predetermined width in the longitudinal direction and forming a perforation 3 along the bonded part B and provided in a state wound into a roll shape. When a packing bag is produced, the part corresponding to the edge part in the lateral direction of the packing bag of the raw sheet A is grasped by hot blades while the raw sheet A is delivered at every predetermined interval and both sheets are thermally welded each other and cut at the same time. Then, by cutting off both side parts X, Y along the bonded part B using the perforation 3, two rectangular packing bags F are simultaneously formed.

Description

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

【0001】 [0001]

【産業上の利用分野】この発明は、一辺部に開口を有する矩形の包装袋を製造するための原反に関する。 BACKGROUND OF THE INVENTION This invention relates to raw for producing rectangular packaging bag having an opening at one side portion.

【0002】 [0002]

【従来の技術】従来、包装袋として、矩形形状にて一辺部に開口を有し、当該開口部に、把手やファスナ等を適宜取付けた合成樹脂製のものが提供されている。 As a conventional, packaging bag has an opening in one side portion in a rectangular shape, on the opening, as the handle and fastener such appropriate mounting a synthetic resin is provided. 上記の構成の包装袋は、通常、合成樹脂製の長尺シートを走行させながら、いわゆる三角板によって二つ折りした後、 Packaging bag of the above configuration, usually while traveling synthetic resin long sheet, after two-folded by the so-called triangular plate,
長手方向に一定間隔ごとに熱融着すると同時に切断することにより製造されている(例えば特開昭60−381 When heat fusion at regular intervals in the longitudinal direction is prepared by cutting at the same time (for example, JP 60-381
42号公報参照)。 See JP 42).

【0003】 [0003]

【発明が解決しようとする課題】上記包装袋の製造技術において、長尺シートを二つ折りする工程は、長尺シートを連続的に走行させながら行うことができるので、長尺シートを熱融着および切断する工程に比べて、サイクルタイムがかなり短くて済む。 In the production technology of the packaging bag [0005], the step of clamshell a long sheet can be performed while continuously traveling the long sheet, the long sheet heat-sealed and compared to the step of cutting, it requires only a cycle time much shorter. しかし、従来においては、上記二つ折り工程と、熱融着および切断工程とを連続させて行っているので、一台の二つ折り装置に対して複数台の熱融着および切断装置を接続して、両工程のサイクルタイムをバランスさせるという手法を採用することができない。 However, in the conventional, and the clamshell process, since is performed by a heat-sealing and cutting process is continuously, by connecting a plurality of heat-sealing and cutting device relative single clamshell device , it is impossible to adopt a technique of balancing the cycle time of both steps. そこで、従来においては、上記二つ折り工程のサイクルタイムを、後工程の熱融着および切断工程のサイクルタイムに合わせて遅くしており、トータル的に包装袋の生産効率が低くなって、生産コストが高くつくという問題があった。 Therefore, conventionally, the cycle time of the clamshell process, have been slow to match the cycle time of the subsequent step of heat-sealing and cutting step, production efficiency of the overall manner packaging bag is lowered, the production costs but there is a problem that expensive.

【0004】また、上記二つ折り工程において、二つ折りした長尺シートの縁部どうしが位置ずれし易いために、包装袋の開口縁が不揃いとなるという問題もあった。 [0004] In the clamshell process, for easy Shi shift positions each other edge of the long sheets folio, there is a problem in that the opening edge of the packaging bag is uneven. この発明は上記問題点に鑑みてなされたものであり、品質の良好な合成樹脂製の包装袋を、効率的に製造することができる製袋用の原反を提供することを目的とする。 The present invention has been made in view of the above problems, and an object thereof is to provide a good plastic packing bag quality, the original fabric for bag making, which can be efficiently manufactured.

【0005】 [0005]

【課題を解決するための手段】上記目的を達成するためのこの発明の製袋用の原反としては、一辺部に開口を有する矩形の包装袋を製造するための原反であって、合成樹脂からなる二枚の長尺シートを重ね合わせ、両長尺シートの幅方向の所定部を、所定幅にて長手方向に沿って連続的に接合し、この接合部分に沿って、当該接合部分を挟んだ両側部分を互いに切離するためのミシン目を形成しているものである。 The raw for bag making of the present invention SUMMARY OF THE INVENTION To achieve the above object, a raw for producing rectangular packaging bag having an opening at one side portion, synthetic superimposing two sheets of long sheet made of a resin, a predetermined portion of the width direction of both the long sheet, continuously joined along the longitudinal direction at a predetermined width along the joint portion, the joint portion those forming a perforation for for dissecting one another both side portions sandwiching the.

【0006】 [0006]

【作用】上記の構成の製袋用の原反によれば、これを長手方向に所定間隔ごとに熱融着すると同時に切断することにより、ミシン目を介して互いに繋がった複数の包装袋を得ることができ、これを上記ミシン目に沿って相互に切り離すことにより、単体の包装用袋を得ることができる。 SUMMARY OF According to raw for bag making the above configuration, by cutting at the same time as heat sealing at predetermined intervals in the longitudinal direction so to obtain a plurality of packaging bags which are connected to each other through a perforation it can, which by separating each other along the perforation, it is possible to obtain a single packaging bag.

【0007】 [0007]

【実施例】以下実施例を示す添付図面により詳細に説明する。 EXAMPLES accompanying drawings show the following examples by describing in detail. 図1は、この発明の製袋用の原反Aを示す斜視図である。 Figure 1 is a perspective view showing a raw A for bag making of the present invention. この原反Aは、ポリエチレン発泡シート等の合成樹脂発泡シートからなる2枚の長尺シート1,2を、 The raw A is the two long sheets 1 and 2 made of a synthetic resin foam sheet such as polyethylene foam sheet,
長手方向全長に亘って互いに重ね合わせたものであり、 Over the entire length in the longitudinal direction and a superposition with each other,
通常、ロール状に巻回された状態で提供される。 Usually provided in a state wound into a roll.

【0008】上記長尺シート1、2のそれぞれの幅方向中央部は、所定幅(例えば10mmから30mm)にて長手方向に連続的に接合されており、この接合部分Bに沿って、当該接合部分Bを挟んだ両側X,Y部分を互いに切離するためのミシン目3が形成されている。 [0008] Each of the widthwise central portion of the long sheet 1 is continuously bonded to the longitudinal direction at a predetermined width (eg 30mm from 10 mm), along the junction portion B, the junction both sides sandwiching the portion B X, perforations 3 for for dissecting the Y moiety each other are formed. このミシン目3としては、針穴状のもののほか、長手方向に延びるスリット状のものであってもよい。 As the perforations 3, in addition to those of the pinhole-like, or may be slit-shaped extending in the longitudinal direction.

【0009】上記長尺シート1,2の素材としては、発泡シート単層のもののほか、発泡シートに非発泡フィルムをラミネートしたものや、発泡シートにアルミニウム蒸着を施したもの等も使用される。 [0009] As the material of the long sheet 1 and 2, in addition to those of the foam sheet monolayer, or those obtained by laminating non-foamed film on the foamed sheet, such as those having an aluminized also used foam sheet. 上記原反Aを使用して包装袋を製造するには、図2のaからcに示すように、原反Aを所定間隔ごとに繰り出しながら、包装袋の幅方向の縁部に相当する部分を、例えば熱刃Nによって挟み込んで、両長尺シート1,2を互いに熱融着すると同時に切断した後、ミシン目3を利用して接合部分Bを挟んだ両側部分X,Yを互いに切離すればよく(図3参照)、これによって一辺部が開口された矩形の包装袋F To produce the packaging bag using the raw A, as shown in c of a in FIG. 2, while feeding the raw A predetermined intervals, corresponding to the edge portion in the width direction of the packaging bag portion , for example by sandwiching the thermal blade N, after cutting at the same time both the long sheet 1 to thermally fuse together, sandwiching the joint portion B using the perforated line 3 both side portions X, the Y mutually separating may be (see FIG. 3), this rectangular packaging bag side portion is opened by the F
を同時に2個取りすることができる(図4参照)。 Can be simultaneously two up (see FIG. 4). なお、上記ミシン目3を利用した切離作業は、ユーザ側W In addition, separating work using the above perforations 3, the user-side W
で行わせるようにしてもよい。 It may be to perform in.

【0010】上記原反Aは、二枚の長尺シート1,2を個別に繰り出して連続走行させながら、互いに重ね合わせた後、幅方向中央部分を熱ローラによって挟み込んで連続的に熱融着させることにより製造することができる。 [0010] The raw fabric A is while continuously traveling feeding two sheets of long sheets 1 and 2 separately, after mutually superimposed, continuously heat-sealed widthwise central portion is sandwiched by the heat roller it can be prepared by. したがって、当該原反Aの製造を、連続的かつ能率的に行うことができる。 Thus, the production of the raw A, can be carried out continuously and efficiently. また、上記原反Aを使用すれば、長尺シートを二つ折りすることなく包装袋Fを製造することができるので、開口縁の揃った品質の良好な包装袋Fを得ることができる。 Further, using the above raw A, since the long sheet can be manufactured packaging bag F without folio, it is possible to obtain an excellent packaging bag F quality with uniform opening edge. しかも、三角板を用いた大型の二つ折り装置が不要になるので、設備の設置スペースを削減することができるとともに、設備コストを安くすることができる。 Moreover, since large clamshell device is not required with the triangular plate, it is possible to reduce the installation space of the equipment, it is possible to reduce the equipment cost.

【0011】さらに、上記原反Aによれば、一回の熱融着および切断作業によって、2つの包装袋Fを得ることができるので、生産効率を非常に高めることができる。 Furthermore, according to the raw A, by a single heat-sealing and cutting operations, it is possible to obtain two packing bag F, it is possible to greatly enhance the production efficiency.
図5は他の実施例を示す斜視図であり、この実施例が図1に示す実施例と異なる点は、長尺シート1と長尺シート2とを、幅方向に所定量Wだけずらした状態で重ね合わせている点である。 Figure 5 is a perspective view showing another embodiment, this embodiment differs from the embodiment shown in FIG. 1, a long sheet 1 and the elongated sheet 2, is shifted in the width direction by a predetermined amount W is a point that is superimposed in the state. この実施例によれば、前記と同様な方法により、開口部に折り返し用または収納物挿入ガイド用の耳部4を有する包装袋を得ることができる(図6参照)。 According to this embodiment, by the same as the method, it is possible to obtain a packaging bag having an ear portion 4 for redirecting or stored items insertion guide into the opening (see FIG. 6).

【0012】図7はさらに他の実施例を示す斜視図である。 [0012] FIG. 7 is a perspective view showing still another embodiment. この実施例においては、長尺シート1と長尺シート2との接合部分Bを、幅方向に所定間隔離して2箇所設け、それぞれの接合部分Bにミシン目3を形成しているとともに、両接合部分Bの中間部にミシン目5を設けている。 In this embodiment, the joint portion B between the long sheet 1 and the elongated sheet 2, provided at two locations in isolation between predetermined widthwise, together to form a perforated line 3 to each of the joint portion B, both It is provided with a perforation 5 in the middle portion of the joint portion B. この実施例の原反Aによれば、これを所定間隔毎に熱融着および切断することにより、ミシン目3,5を介して互いに繋がった4つの包装袋Fを得ることができ(図8参照)、これを各ミシン目3,5に沿って切離することにより、単体の包装袋Fを得ることができる。 According to raw A of this example, which by heat-sealing and cutting a predetermined interval, it is possible to obtain four packaging bag F which are connected to each other through the perforations 3 and 5 (FIG. 8 see), which by for dissecting along the perforations 3 and 5, it is possible to obtain a single packaging bag F.

【0013】なお、上記原反Aの長尺シート1,2どうしの接合に際しては、接合部分Bに対応する箇所にポリエチレンフィルム等の融点の低いテープを介在させた状態で熱融着させてもよく、この場合には、両シート1, [0013] Note that when bonding and if long sheets 1 and 2 of the raw A is also heat sealed to low melting point tape polyethylene film or the like at positions corresponding to the joint portion B while interposing well, in this case, two sheets 1,
2の熱融着を容易かつ確実に行うことができる。 It is possible to perform the second heat-sealing easily and reliably. また、 Also,
長尺シート1,2としては、上記発泡シートの他、非発泡シートも採用することができる。 The long sheet 1, in addition to the above foamed sheet, also non-foamed sheet can be adopted.

【0014】このほか、接合部分Bの構成数や位置等については適宜変更して実施することかできる。 [0014] In addition, the configuration number and position of the junction portion B may either be carried into practice with modifications thereof as appropriate.

【0015】 [0015]

【発明の効果】以上のように、この発明の製袋用の原反は、従来の熱融着および切断工程と切り離して単独で生産することができるので、非常に生産効率がよいとともに、包装袋を同時に複数個取りすることができるので、 As is evident from the foregoing description, raw for bag making of this invention, it is possible to produce by itself separately from the conventional heat-sealing and cutting step, together with good very production efficiency, packaging it is possible to multiple-up bag at the same time,
包装袋の生産効率を非常に高めることができる。 Production efficiency of the packaging bag can be very enhanced.

【0016】さらに、長尺シートを三角板によって折り曲げる工程が不要であるので、長尺シートの縁部どうしが位置ずれして、包装袋の開口部が不揃いになるという従来の問題点も生じない。 Furthermore, since the step of bending the length of sheet by the triangular plates is not necessary, and displacement position edge each other of the long sheet, it does not occur conventional problem that the aperture of the packaging bag is uneven. したがって、品質の良好な包装袋を効率的かつコスト安価に製造することができるという特有の効果を奏する。 Therefore, it exhibits a unique effect that it is possible to produce a good packaging bag quality efficiently and cost inexpensive.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】この発明の製袋用の原反の一実施例を示す斜視図である。 1 is a perspective view showing an embodiment of a raw for bag making of the present invention.

【図2】この発明の製袋用の原反を用いた包装袋の製造方法を示す工程図であり、そのうちaは原反を送給している状態を示す断面図、bは熱融着および切断工程を示す断面図、cは熱融着および切断工程が完了した後を示す断面図である。 Figure 2 is a process diagram showing the manufacturing method of the packaging bag using the raw for bag making of the present invention, cross-sectional view of which a is showing a state of feeding the raw, b is heat-sealed and a sectional view showing a cutting step, c is a sectional view showing a after heat-sealing and cutting process has been completed.

【図3】ミシン目から包装用袋を切離する状態を示す斜視図である。 3 is a perspective view showing a disconnecting that state packaging bag from perforation.

【図4】ミシン目から切離した状態を示す斜視図である。 4 is a perspective view showing a state in which separated from perforation.

【図5】他の実施例を示す斜視図である。 5 is a perspective view showing another embodiment.

【図6】前図に示す原反から得られた包装袋を示す斜視図である。 6 is a perspective view showing a packaging bag obtained from raw shown in the previous figure.

【図7】さらに他の実施例を示す斜視図である。 7 is a perspective view showing another embodiment.

【図8】前図に示す原反を用いた包装袋の製造途中工程を示す斜視図である。 8 is a perspective view showing a manufacturing middle steps of the packaging bag using the raw shown in the previous figure.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 長尺シート 2 長尺シート 3 ミシン目 5 ミシン目 A 原反 B 接合部分 1 long sheet 2 elongated sheet 3 perforation 5 perforations A raw film B junction

Claims (1)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】一辺部に開口を有する矩形の包装袋を製造するための原反であって、合成樹脂からなる二枚の長尺シートを重ね合わせ、両長尺シートの幅方向の所定部を、所定幅にて長手方向に沿って連続的に接合し、この接合部分に沿って、当該接合部分を挟んだ両側部分を互いに切離するためのミシン目を形成していることを特徴とする製袋用の原反。 1. A raw for producing rectangular packaging bag having an opening at one side portion, superposed two sheets of long sheet made of a synthetic resin, a predetermined portion of the width direction of both the long sheet and a feature that it is continuously joined along the longitudinal direction at a predetermined width along the joint portion, to form a perforation for that separate the side portions sandwiching the joint portion with each other original fabric for the bag-making to be.
JP4329592A 1992-02-28 1992-02-28 Raw sheet for bag making Granted JPH05237964A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4329592A JPH05237964A (en) 1992-02-28 1992-02-28 Raw sheet for bag making

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4329592A JPH05237964A (en) 1992-02-28 1992-02-28 Raw sheet for bag making

Publications (1)

Publication Number Publication Date
JPH05237964A true true JPH05237964A (en) 1993-09-17

Family

ID=12659799

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4329592A Granted JPH05237964A (en) 1992-02-28 1992-02-28 Raw sheet for bag making

Country Status (1)

Country Link
JP (1) JPH05237964A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003100476A2 (en) * 2002-05-21 2003-12-04 3M Innovative Properties Company Multilayer optical film with melt zone to control delamination
US7075056B2 (en) 2002-05-21 2006-07-11 3M Innovative Properties Company Photopic detector system having a filter with an interference element, an absorptive element and an absorber or reflector
JP2010105747A (en) * 2010-02-17 2010-05-13 Ajinomoto Co Inc Roll for flexible container for sealing medical chemical therein
KR101139779B1 (en) * 2011-04-11 2012-04-26 이무천 Grab a pouch portion and its manufacturing method and subsequent continuous manufacturing unit

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003100476A2 (en) * 2002-05-21 2003-12-04 3M Innovative Properties Company Multilayer optical film with melt zone to control delamination
WO2003100476A3 (en) * 2002-05-21 2004-04-01 3M Innovative Properties Co Multilayer optical film with melt zone to control delamination
US7075056B2 (en) 2002-05-21 2006-07-11 3M Innovative Properties Company Photopic detector system having a filter with an interference element, an absorptive element and an absorber or reflector
US7095009B2 (en) 2002-05-21 2006-08-22 3M Innovative Properties Company Photopic detector system and filter therefor
EP1764632A1 (en) * 2002-05-21 2007-03-21 3M Innovative Properties Company Multilayer optical film with melt zone to control delamination
US7396493B2 (en) 2002-05-21 2008-07-08 3M Innovative Properties Company Multilayer optical film with melt zone to control delamination
JP2010105747A (en) * 2010-02-17 2010-05-13 Ajinomoto Co Inc Roll for flexible container for sealing medical chemical therein
KR101139779B1 (en) * 2011-04-11 2012-04-26 이무천 Grab a pouch portion and its manufacturing method and subsequent continuous manufacturing unit

Similar Documents

Publication Publication Date Title
US4662521A (en) Thermal insulation bag for vacuum-packaging micropowder materials
US5573489A (en) Integral handled layflat thermoplastic bag
US4811418A (en) Method for the manufacture of plastic bags with welded side seams
US4638911A (en) Pack and process for the manufacture thereof
US4164170A (en) Method of making bags
US6273610B1 (en) Package formed of soft sheet
US5518119A (en) Heat-seal package and method of packaging
US2256506A (en) Method and apparatus for making bags
US6805659B2 (en) Method of making one-piece lidded container and containers made by the same
JPH0834478A (en) Air bubble bag and its manufacture
US20020118896A1 (en) Apparatus for making reinforced reclosable package seals
US6602174B1 (en) Method and apparatus for sealing a drawtape to a hem of a thermoplastic film structure
US7424796B2 (en) Filling and using reclosable bags
JPH08324597A (en) Unsealing incision and packaging bag
US4014252A (en) Method of manufacturing bags
JP2001287767A (en) Packaging material with slit line
US3883068A (en) Moisture barrier package formed from laminated blank
JP2010222050A (en) Wrapping sleeve and composite wrapping material including the same
US20030168451A1 (en) Method of making one-piece lidded containers and containers made by the same
JPH09301383A (en) Plastic bag
US20080085823A1 (en) Method for Making a Bag
GB2172545A (en) Apparatus for the manufacture of an easy-to-open synthetic resin bag
US7306694B2 (en) Method for producing plastic products with reinforced heat sealed joints
JP2002274546A (en) Opening structure for tetrahedral packaging bag
JP2001139038A (en) Tear guide means, bag body and manufacturing method thereof

Legal Events

Date Code Title Description
FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20071220

Year of fee payment: 5

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20081220

Year of fee payment: 6

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20091220

Year of fee payment: 7

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 7

Free format text: PAYMENT UNTIL: 20091220

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20101220

Year of fee payment: 8

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20111220

Year of fee payment: 9

LAPS Cancellation because of no payment of annual fees