JP2611312B2 - Developer supply container - Google Patents

Developer supply container

Info

Publication number
JP2611312B2
JP2611312B2 JP63049290A JP4929088A JP2611312B2 JP 2611312 B2 JP2611312 B2 JP 2611312B2 JP 63049290 A JP63049290 A JP 63049290A JP 4929088 A JP4929088 A JP 4929088A JP 2611312 B2 JP2611312 B2 JP 2611312B2
Authority
JP
Japan
Prior art keywords
container
opening
developer
tear tape
sealing
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
JP63049290A
Other languages
Japanese (ja)
Other versions
JPH01223485A (en
Inventor
長嶋　　利明
伴　　豊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP63049290A priority Critical patent/JP2611312B2/en
Publication of JPH01223485A publication Critical patent/JPH01223485A/en
Application granted granted Critical
Publication of JP2611312B2 publication Critical patent/JP2611312B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
    • G03G15/0881—Sealing of developer cartridges
    • G03G15/0884—Sealing of developer cartridges by a sealing film to be ruptured or cut

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は、電子写真複写機・同プリンタ、静電記録
（印刷）装置・同プリンタ、磁気記録装置・同プリンタ
等の画像形成装置において、電子写真感光体・静電記録
誘電体・磁気記録体等の像担持体面に形成された潜像
（静電荷潜像・電位潜像・磁気潜像等）を顕画化する現
像装置に対する補給用の粉体現像剤を密封収容させた現
像剤補給容器に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to an image forming apparatus such as an electrophotographic copying machine / printer, an electrostatic recording (printing) apparatus / printer, a magnetic recording apparatus / printer, etc. Replenishment for developing devices that visualizes latent images (electrostatic latent images, potential latent images, magnetic latent images, etc.) formed on the surface of image carriers such as electrophotographic photosensitive members, electrostatic recording dielectrics, and magnetic recording media And a developer supply container in which the powder developer is contained in a sealed manner.

（従来の技術） 像担持体面に形成した静電荷像等の潜像を顕画化する
現像装置は使用現像剤の種類から分類して、粉体現像剤
（乾式現像剤）を用いるものと、液体現像剤（湿式現像
剤）を用いるものとに大別される。近年は種々の観点か
ら前者の粉体現像装置が後者の液体現像装置よりも多く
実用されている。(Prior Art) Developing devices for visualizing a latent image such as an electrostatic image formed on the surface of an image carrier are classified according to the type of developer used, and those using a powder developer (dry developer); They are broadly classified into those using a liquid developer (wet developer). In recent years, the former powder developing apparatus has been used more frequently than the latter liquid developing apparatus from various viewpoints.

本発明は上記前者の粉体現像装置に対する現像剤補給
容器に関する。The present invention relates to a developer supply container for the former powder developing device.

現像装置内の現像剤は像担持体面の潜像の現像で逐次
に消費されていくので適時に補給作業するものである
が、粉体現像剤は平均粒径20μｍ以下で低比重の、黒色
を一般色とする有色微粉末であり、多少の振動・衝撃・
風圧などの外的作用でも煙霧状に飛散しやすい。そのた
め補給用現像剤パケッジを開封し、パケッジ内の粉体現
像剤を現像装置の現像剤補給口から装置内へ流し入れて
補給する際は注意深く作業をしないと、現像剤を装置外
にこぼすなどして飛散させて周辺機材やオペレータの手
指・着衣などを現像剤で汚染させてしまい勝ちであっ
た。Since the developer in the developing device is consumed successively in the development of the latent image on the surface of the image carrier, replenishment is performed in a timely manner, but the powder developer has an average particle diameter of 20 μm or less, and has a low specific gravity, black. It is a colored fine powder with a general color.
It is easy to disperse in the form of fumes even with external effects such as wind pressure. Therefore, when opening the replenishment developer package and carefully replenishing the powder developer in the package through the developer supply port of the development device and replenishing it, the developer may spill out of the device unless care is taken. And contaminated the peripheral equipment and the fingers and clothes of the operator with the developer.

そこで上記のような現像剤補給時の現像剤飛散・汚染
の問題を解消し、又現像剤の扱い性を簡便化する等のた
めに、補給用現像剤のパケッジを現像装置本体に対して
装脱自由の補給容器（カートリッジ）として構成し、該
補給容器を現像装置本体側の容器装着部に所定に嵌着或
は挿入した状態において補給容器側の開口（現像剤供給
用開口部）を封止しているシール部材を外部から引き抜
き除去して開封する操作をすることにより補給容器内に
収容されている現像剤を、開封されたカートリッジ開口
から現像装置本体内へ流出させて補給するカートリッジ
方式が多く採用されている。Therefore, in order to solve the problem of developer scattering and contamination at the time of replenishment of the developer and to simplify the handling of the developer, a package of the replenishment developer is mounted on the developing device main body. The replenishing container (cartridge) is configured to be detachable, and when the replenishing container is fitted or inserted into the container mounting portion of the developing device main body side in a predetermined manner, the opening on the replenishing container side (developer supply opening) is sealed. A cartridge system in which the developer contained in the replenishing container flows out of the opened cartridge opening into the developing device main body to be replenished by performing an operation of pulling out the removed sealing member from the outside and removing and opening the sealing member. Are often adopted.

現像剤補給容器は開封されてない限りは現像剤が容器
内に密封収容された状態に維持されていて、物流・保管
過程での漏出・飛散防止、防湿がなされている。As long as the developer supply container is not opened, the developer is maintained in a sealed state in the container, and leakage and scattering during the distribution and storage processes and moisture prevention are performed.

そして補給容器の開封、該開封による容器内から現像
装置本体内への現像剤の流出補給はシール部材の装置外
への引き抜き除去操作だけで何れも装置内部で実行され
るから現像剤の装置外漏出・飛散は実質的に生じない。Opening of the replenishing container and replenishment of the developer from the container into the developing device main body by the opening are all performed inside the device simply by pulling out and removing the seal member from the device. Leakage and scattering do not occur substantially.

第９図は上記のような現像剤補給容器の一例を示すも
ので、同図（Ａ）は一部切欠き斜視図、同図（Ｂ）は該
カートリッジを現像装置本体側の装着部に嵌着セットし
た開封前状態の縦断面図である。9A and 9B show an example of the developer supply container as described above. FIG. 9A is a partially cutaway perspective view, and FIG. 9B is a view in which the cartridge is fitted into a mounting portion on the developing device main body side. It is a longitudinal cross-sectional view of the state before opening when wearing and setting.

図においてＣは現像剤補給容器の全体符号、10は容器
本体であり、一般に合成樹脂・厚紙等で作られており、
本例のものは横長の直方体容器である。その底面は現像
剤供給用開口部11として開放し、該開口部11の四周縁に
は外向きのフランジ12を具備させてある。In the figure, C is the overall reference number of the developer supply container, 10 is the container body, which is generally made of synthetic resin, cardboard, etc.
This example is a horizontally long rectangular parallelepiped container. The bottom surface is opened as a developer supply opening 11, and an outer flange 12 is provided at four peripheral edges of the opening 11.

13は上記の開口部11を覆って封塞する帯状の柔軟シー
ル部材（封止帯）であり、開口部周りのフランジ12面に
四周縁をヒートシール（熱溶着）、インパルスシール、
高周波ウエルダ等の接着手段によりイージーピール接着
14される。Reference numeral 13 denotes a band-shaped flexible sealing member (sealing band) that covers and seals the opening 11, and heat seals (heat welding) the four peripheral edges on the flange 12 surface around the opening, an impulse seal,
Easy peel bonding with bonding means such as high-frequency welding
14 is done.

該シール部材13の一端側は延長して逆方向への折り返
し部分13Aにし、該折り返し部分の自由端部13Bは把持部
（把手部）としてカートリッジ端部よりも外方へ突出さ
せる。One end of the seal member 13 is extended to form a folded portion 13A in the opposite direction, and a free end 13B of the folded portion is protruded outward from a cartridge end as a grip portion (handle).

現像剤（トナー）ｔは、容器10の上記開口部11をシー
ル部材13で封塞する前に該開口部11から容器10内に充填
されるか、開口部11をシール部材13で封塞処理した後
に、容器10の壁面に設けた充填用開口から容器10内へ充
填される。充填用開口はふた部材でしっかりと閉塞処理
される。The developer (toner) t is filled into the container 10 through the opening 11 before the opening 11 of the container 10 is sealed with the sealing member 13, or the opening 11 is sealed with the sealing member 13. After that, the container 10 is filled into the container 10 through a filling opening provided on the wall surface of the container 10. The filling opening is tightly closed by the lid member.

該現像剤補給容器Ｃ内の現像剤ｔの現像装置本体内へ
の補給は、容器10のシール部材面側を下向きにして現像
装置本体Ｄ側の容器装着部20（第９図（Ｂ））に嵌着す
る。本例の容器装着部20は、現像装置本体Ｄ側の現像剤
ホッパＨの上面板上に容器Ｃの外方張り出しフランジ部
12が丁度嵌り込んで位置決めされる枠縁部21を有し、そ
の枠縁の内側に現像剤投入口22が開口しており、該容器
装着部20に第９図（Ｂ）のように現像剤補給容器Ｃを正
規に嵌着セットした状態において容器10側の下向きの現
像剤供給用開口部11側が容器装着部20側の現像剤投入口
22に対してシール部材13を介して対応合致した状態にな
る。The developer t in the developer replenishing container C is supplied to the developing device main body by the container mounting portion 20 on the developing device main body D side (FIG. 9B) with the sealing member surface side of the container 10 facing downward. To fit. The container mounting portion 20 of this example is provided with an outwardly projecting flange portion of the container C on the upper surface plate of the developer hopper H on the side of the developing device main body D.
9 has a frame edge 21 which is just fitted and positioned, and a developer inlet 22 is opened inside the frame edge. When the developer supply container C is properly fitted and set, the downward developer supply opening 11 on the container 10 side is a developer inlet on the container mounting portion 20 side.
A state is brought into correspondence with 22 via the seal member 13.

この状態においてシール部材13の折り返し部分13Aの
外方突出自由端である把持部13Bを指でつまんでシール
部材折り返し部分13Aをシール部材13の容器フランジ12
面に対する貼着部14の接着力に抗して装置外方へＦ方向
に引くことにより、シール部材13の容器フランジ12面に
対する接着が開口部11の長手方向に奥側から手前側に順
次にはがれて開口部11の開封がなされていき、最終的に
は把持部13Bを十分に外方へ引いてシール部材折り返し
部分13A及びシール部材13の全体を装置外へ引き抜き除
去することにより容器10の開口部11の全体が開封され、
その開封された開口部11から容器10内の現像剤ｔが該開
口部11と対応合致している現像装置本体側の現像剤投入
開口部22から現像装置本体内へ流入供給される。In this state, the gripping portion 13B, which is a free end of the folded portion 13A of the seal member 13, which is an outwardly protruding free end, is pinched with a finger, and the folded portion 13A of the seal member 13
By pulling in the F direction to the outside of the device against the adhesive force of the sticking portion 14 to the surface, the adhesion of the sealing member 13 to the surface of the container flange 12 is sequentially performed from the back side to the front side in the longitudinal direction of the opening 11. The opening portion 11 is peeled off, and finally the grip portion 13B is pulled sufficiently outward to pull out and remove the entire seal member folded portion 13A and the entire seal member 13 out of the device, thereby removing the container 10 from the container. The entire opening 11 is opened,
The developer t in the container 10 flows from the opened opening 11 into the developing device main body through the developer input opening 22 on the side of the developing device main body corresponding to the opening 11.

第10図は円筒形の現像剤補給容器Ｃの例を示してい
る。11は円筒形の容器本体10の円筒壁面に母線方向に形
成した現像剤供給用の横長開口部、13は該開口部11を外
側から覆って封塞する帯状の柔軟シール部材であり、開
口部11周りの円筒容器壁外面にイージーピール接着14さ
れる。FIG. 10 shows an example of a cylindrical developer supply container C. Reference numeral 11 denotes a developer-supplying laterally elongated opening formed in the generatrix direction on the cylindrical wall surface of the cylindrical container body 10, reference numeral 13 denotes a band-shaped flexible sealing member that covers and seals the opening 11 from outside. Easy peel bonding 14 is applied to the outer surface of the cylindrical container wall around 11.

シール部材13の一端側は延長して逆方向への折り返し
部分13Aにし、該折り返し部分13Aの自由端部13Bは把持
部としてカートリッジ容器端部よりも外方へ突出させて
ある。現像剤（トナー）は容器10の上記開口部11をシー
ル部材13で封塞する前に該開口部11から容器10内に充填
されるか、開口部11をシール部材13で封塞処理した後
に、容器10の一端側開口を充填口として容器10内に充填
され、その後該充填口をふた部材15でしっかりと閉塞処
理される。One end of the seal member 13 is extended to form a folded portion 13A in the opposite direction, and a free end 13B of the folded portion 13A projects outward from the end of the cartridge container as a grip. The developer (toner) is filled into the container 10 from the opening 11 before closing the opening 11 of the container 10 with the sealing member 13 or after the opening 11 is sealed with the sealing member 13. Then, the container 10 is filled with the opening on one end side of the container 10 as a filling port, and then the filling port is tightly closed by the lid member 15.

16は容器10の他端側の開口を閉塞させた端面板の外面
に突出させて設けた容器回転操作用のつまみラグであ
る。Reference numeral 16 denotes a knob lug for container rotation operation, which is provided so as to protrude from an outer surface of an end face plate in which an opening on the other end side of the container 10 is closed.

この円筒形の現像剤補給容器Ｃはつまみラグ16とは反
対側の容器端部を先にして、又シール部材13側を上向き
にして現像装置本体側に設けた現像剤補給容器挿入装着
部（不図示）内に十分に挿入して、或は挿入しながら、
シール部材13の折り返し部分13Aの外方突出自由端であ
る把持部13Bを指でつまんでシール部材折り返し部分13A
をシール部材13の容器10に対する貼着部14の接着力に抗
して装置外方へＦ方向に引くことにより、シール部材13
の容器10に対する接着が開口部11の長手方向に奥側から
手前側に順次にはがれて開口部11の開封がなされてい
き、最終的には把持部13Bを十分に外方へ引いてシール
部材折り返し部分13A及びシール部材13の全体を装置外
へ引き抜き除去することにより容器10の開口部11の全体
が開封される。次いでつまみラグ16を指でつまんで容器
10をその長手軸線を中心に略180゜回転して上記開封さ
れた開口部11を下向きにすることにより容器10内の現像
剤が下向きとなった開口部11から現像装置本体内に流入
供給される。 上記のような従来のシール部材引き剥が
し開封方式の現像剤補給容器には次のような問題点があ
った。The cylindrical developer replenishing container C has a container end opposite to the knob lug 16, and a developer replenishing container insertion mounting portion ( (Not shown), or
The gripping portion 13B, which is the free end of the folded portion 13A of the seal member 13 that protrudes outward, is pinched with a finger to seal the folded portion 13A.
Is pulled outward in the F direction against the adhesive force of the sticking portion 14 of the sealing member 13 to the container 10 so that the sealing member 13
The adhesive to the container 10 is sequentially peeled from the back side to the front side in the longitudinal direction of the opening 11 to open the opening 11, and finally the grip 13B is sufficiently pulled outward to seal the sealing member. The entire opening 11 of the container 10 is opened by pulling and removing the entire folded portion 13A and the seal member 13 out of the apparatus. Next, pinch the lug 16 with your finger
The developer in the container 10 flows into the developing device main body from the downward opening 11 by rotating the rotation 10 about 180 ° about its longitudinal axis and turning the opened opening 11 downward. You. The above-described conventional developer supply container of the seal member peeling-opening type has the following problems.

．開封がシール部材13の貼着部14を引き剥がして行わ
れるために大きな開封操作力（シール部材はがし引張り
力）を要す。. Since the opening is performed by peeling off the sticking portion 14 of the seal member 13, a large opening operation force (peeling force for peeling off the seal member) is required.

．開封の際にシール部材13の周縁部の傷やヒートシー
ル時の損傷等によりシール材の斜め切れ、ちぎれ等によ
る途中切れを起こすケースがあり、現像剤が出されない
場合がある。. At the time of opening, there are cases where the seal member 13 is cut off obliquely or broken due to damage at the peripheral portion of the seal member 13 or damage at the time of heat sealing, and the developer may not be discharged.

．シール部材13が引き剥がされる時に貼着14に使用し
た接着剤が細かい切片となり、粉末トナーに混入し、白
スジの原因になることがある。. When the seal member 13 is peeled off, the adhesive used for the sticking 14 becomes a fine piece, which is mixed into the powder toner and may cause white stripes.

以上の問題はシール部材13の貼着部分14が、使用前に
は十分接着しており、なおかつ開封時には容易に引き剥
がれるという相反する２つの機能を要求されるために生
じるのである。The above problem arises because the sticking portion 14 of the seal member 13 is required to have two contradictory functions of being sufficiently adhered before use and being easily peeled off when opened.

また、開口部のシール部材の開封を容易化したものと
して、現像剤を収容し開口部を有する容器と、開口部周
囲に接着され開口部を覆う封止フィルムと、この封止フ
ィルムの内面に開口部の長手方向に沿って固着され一端
が封止フィルムより延長して把手部を形成する引き裂き
テープと、を有し、引き裂きテープを引くことにより封
止フィルムが実質的に引き裂きテープの巾に破断され
る、引き裂きテープ使用タイプの現像剤補給容器があ
る。In addition, as a material that facilitates opening of the seal member of the opening, a container that stores the developer and has the opening, a sealing film that is adhered around the opening and covers the opening, and an inner surface of the sealing film is provided. A tear tape fixed along the longitudinal direction of the opening and having one end extended from the sealing film to form a handle, and the tear film is pulled so that the sealing film is substantially in the width of the tear tape. There is a developer supply container of a tear tape type that is broken.

例えば特開昭56−21166号公報には、開口部の巾に略
等しい巾のシート状の引きはがし開口ガイド部材で裏打
されたシール部材で密封されており、開口時には、該引
きはがしガイド部材を略長さ方向に引くことによりシー
ル部材をガイド部材の巾に引きはがして開口することを
特徴とするトナー粉末補給用カートリッジが開示されて
いる。For example, Japanese Patent Application Laid-Open No. Sho 56-21166 discloses that a sheet-like peeling sheet having a width substantially equal to the width of an opening is sealed with a seal member lined with an opening guide member. There is disclosed a toner powder replenishing cartridge characterized in that the seal member is pulled to the width of the guide member by being pulled substantially in the length direction to open.

（発明が解決しようとする課題） しかし上述のような引き裂きテープ使用タイプの現像
剤補給容器においては、引き裂きテープを内面に固着し
た封止フィルムで開口部を塞ぐ場合、容器の製造工程が
複雑化する。また、引き裂きテープの厚みにより封止フ
ィルムに段差が生じ、この隙間から現像外が漏れるとい
う問題がある。(Problems to be Solved by the Invention) However, in the above-described developer supply container using a tear tape, when the opening is closed with a sealing film having the tear tape fixed to the inner surface, the manufacturing process of the container becomes complicated. I do. Further, there is a problem that a step is generated in the sealing film due to the thickness of the tearing tape, and the outside of the development leaks from the gap.

前記特開昭56−21166号公報に開示の、シール部材を
ガイド部材で裏打ちしたカートリッジにあっては、ガイ
ド部材でシール部材の接着剤が塗布された面を覆うこと
でトナーが付着することを防止するもので、ガイド部材
表面には接着能力はない。即ち、ガイド部材は容器に接
着されておらず、この部分を接着するためには接着剤を
塗布する工程を特別に設けなくてはならず製造工程が複
雑化してしまう。In the cartridge disclosed in Japanese Patent Application Laid-Open No. 56-21166, in which a seal member is lined with a guide member, the guide member covers the surface of the seal member to which the adhesive has been applied so that the toner adheres. The guide member surface has no adhesive ability. That is, the guide member is not adhered to the container, and in order to adhere this portion, a special step of applying an adhesive must be provided, which complicates the manufacturing process.

そこで本発明は、引き裂きテープ使用タイプの現像剤
補給容器について、上記のような問題点を解消するこ
と、即ち簡単に容器開口部を封塞処理することができて
製造工程を簡易化でき、更に隙間の存在による現像剤漏
れのない補給容器構成を提供することを目的とする。Therefore, the present invention solves the above-mentioned problems with respect to the developer supply container of the tear tape type, that is, the opening of the container can be easily sealed, and the manufacturing process can be simplified. An object of the present invention is to provide a replenishing container configuration in which a developer does not leak due to the presence of a gap.

（課題を解決するための手段） 本発明は下記の構成を特徴とする現像剤補給容器であ
る。(Means for Solving the Problems) The present invention is a developer supply container having the following configuration.

（１）現像剤を収容し開口部を有する容器と、開口部周
囲に接着され開口部を覆う封止フィルムと、この封止フ
ィルムの内面に開口部の長手方向に沿って固着され一端
が封止フィルムより延長して把手部を形成する引き裂き
テープと、を有し、引き裂きテープを引くことにより封
止フィルムが実質的に引き裂きテープの巾に破断される
現像剤補給容器において、シーラント層を有する封止フ
ィルムのシーラント層上に封止フィルムと面する側とは
反対側の面にシーラント層を有する引き裂きテープを接
着し、封止フィルムのシーラント層と引き裂きテープの
シーラント層とにより、引き裂きテープが接着された封
止フィルムを容器に対して熱溶着することで開口部を封
塞したことを特徴とする現像剤補給容器。(1) A container for storing a developer and having an opening, a sealing film adhered to the periphery of the opening and covering the opening, and fixed to the inner surface of the sealing film along the longitudinal direction of the opening and sealed at one end. A tear tape extending from the stop film to form a handle portion, and a sealant layer in the developer supply container in which the sealing film is substantially broken to the width of the tear tape by pulling the tear tape. A tear tape having a sealant layer on the surface opposite to the side facing the sealing film on the sealant layer of the sealing film is adhered, and the tear tape is formed by the sealant layer of the sealing film and the sealant layer of the tear tape. A developer supply container characterized in that the opening is closed by heat-sealing the bonded sealing film to the container.

（２）封止フィルムを容器に熱溶着するためのシーラン
ト層は酢酸ビニル系であり、引き裂きテープを容器に熱
溶着するためのシーラント層はポリエチレン系であるこ
とを特徴とする（１）の現像剤補給容器。(2) The development according to (1), wherein the sealant layer for heat-sealing the sealing film to the container is made of vinyl acetate, and the sealant layer for heat-sealing the tear tape to the container is made of polyethylene. Refill container.

（作 用） シーラント層を有する封止フィルムのシーラント層上
に封止フィルムと面する側とは反対側の面にシーラント
層を有する引き裂きテープを接着し、封止フィルムのシ
ーラント層と引き裂きテープのシーラント層とにより、
引き裂きテープが接着された封止フィルムを容器に対し
て熱溶着することで開口部を封塞した特徴構成により、
簡単に容器開口部を封塞することができて製造工程を簡
易化でき、更に封止フィルムのシーラントと引き裂きテ
ープのシーラントにより熱溶着の際に引き裂きテープの
厚みによる封止フィルムの段差部の隙間が埋まり密封性
が確保されて現像剤の隙間漏れの発生が防止される。(Operation) A tear tape having a sealant layer is adhered to the surface of the sealing film having a sealant layer opposite to the side facing the sealing film, and the sealant layer of the sealing film and the tear tape are adhered to each other. With the sealant layer,
Due to the characteristic configuration that the opening is closed by heat welding the sealing film with the tearing tape adhered to the container,
The opening of the container can be easily closed, the manufacturing process can be simplified, and the gap between the steps of the sealing film due to the thickness of the tearing tape at the time of heat welding with the sealant of the sealing film and the sealant of the tearing tape. Is filled, the sealing property is ensured, and the occurrence of leakage of the developer gap is prevented.

（実施例） 第１図は一実施例の現像剤補給容器Ｃの一部切欠き斜
視図である。(Embodiment) FIG. 1 is a partially cutaway perspective view of a developer supply container C of one embodiment.

10は所定量の補給用現像剤を収容し開口部11を有する
容器である。本例の容器本体10は前述第９図例のものと
同様に開口部11の四周緑に外向きフランジ12を具備させ
た横長の直方体容器である。Reference numeral 10 denotes a container which contains a predetermined amount of the supply developer and has an opening 11. The container main body 10 of this embodiment is a horizontally long rectangular parallelepiped container having an outwardly directed flange 12 on the green around the opening 11 in the same manner as that of the above-mentioned FIG. 9 embodiment.

１は該容器10の開口部周囲の外向きフランジ12面に接
着されて開口部を覆う封止フィルムである。以下、この
封止フィルム１を「カバーフィルム」と記す。Reference numeral 1 denotes a sealing film that is adhered to the outwardly facing flange 12 around the opening of the container 10 to cover the opening. Hereinafter, the sealing film 1 is referred to as a “cover film”.

２は、このカバーフィルム１の内面に容器開口部11の
長手方向に沿って固着され、一端がカバーフィルム１よ
り延長2Aして把手部2Bを形成する引き裂きテープであ
る。以下、この引き裂きテープを「テアテープ」と記
す。Reference numeral 2 denotes a tearing tape fixed to the inner surface of the cover film 1 along the longitudinal direction of the container opening 11, one end of which is extended 2A from the cover film 1 to form a handle 2B. Hereinafter, this tear tape is referred to as “tea tape”.

カバーフィルム１はその一面側にシーラント層を有
し、またテアテープ２もその一面側にシーラント層を有
し、カバーフィルム１のシーラント層形成面側にあらか
じめテアテープ２を第５図のように該テアテープ２のシ
ーラント層非形成面側を接着41してシール部材としてあ
る。本例のものはカバーフィルム１とテアテープ２とを
熱溶着41で全面的に接着一体化したものである。The cover film 1 has a sealant layer on one surface side, and the tear tape 2 also has a sealant layer on one surface side. The tear tape 2 is previously coated on the sealant layer forming surface side of the cover film 1 as shown in FIG. The sealant member 2 is bonded to the side on which the sealant layer is not formed to form a seal member. In this embodiment, the cover film 1 and the tear tape 2 are bonded and integrated by heat welding 41 over the entire surface.

そしてカバーフィルム１のシーラント層とテアテープ
２のシーラント層とにより、テアテープ２があらかじめ
接着41されたカバーフィルム１を容器開口部周囲の外向
きフランジ12面に対して熱溶着（ヒートシール）３・４
・４することで容器開口部11を封塞してある。The seal film of the cover film 1 and the sealant layer of the tear tape 2 are heat-sealed (heat-sealed) to the surface of the outward flange 12 around the opening of the container.
・ The container opening 11 is closed by 4 steps.

テアテープ２は、カバーフィルム１に対する開口形成
方向、本例ではカバーフィルム１の長手方向に対して直
角方向の幅W2がカバーフィルム１の非接着部の同方向幅
W1（＝容器開口部11の開口幅）よりも小さく、カバーフ
ィルム１の内面側に存在してカバーフィルム１の両端部
においてテアテープ２のシーラント層で容器開口部のフ
ランジ面に熱溶着４・４されると共に、一端側は延長さ
れてカバーフィルム１の外面側へ折り返され、その延長
折り返しテープ部分2Aの自由端部2Bは把持部としてテー
プ折り返し側とは反対側の容器端部よりも外方へ突出さ
せてある。容器10内には所定量の補給用現像剤が収容さ
れている。The width W 2 of the tear tape 2 in a direction perpendicular to the opening forming direction with respect to the cover film 1, in this example, the longitudinal direction of the cover film 1 is equal to the width of the non-bonded portion of the cover film 1 in the same direction.
It is smaller than W 1 (= opening width of the container opening 11), is present on the inner surface side of the cover film 1, and is thermally welded to the flange surface of the container opening with sealant layers of the tear tape 2 at both ends of the cover film 1. 4, the one end side is extended and folded back to the outer surface side of the cover film 1, and the free end 2B of the extended folded tape portion 2A is provided as a gripping part outside the container end opposite to the tape folded side. It is projected to the direction. A predetermined amount of a replenishing developer is stored in the container 10.

即ち、シーラント層を有するカバーフィルム１のシー
ラント層上にカバーフィルム１と面する側とは反対側の
面にシーラント層を有するテアテープ２を接着41し、カ
バーフィルム１のシーラント層とテアテープ２のシーラ
ント層とにより、テアテープ２が接着されたカバーフィ
ルム１を容器開口部周囲の外向きフランジ12面に対して
熱溶着３・４・４することで容器開口部11を封塞した構
成により、簡単に容器開口部11を封塞することができ、
更にカバーフィルム１のシーラントとテアテープ２のシ
ーラントにより熱溶着の際にテアテープ２の厚みによる
カバーフィルム１の段差部の隙間が埋まり密封性が確保
されて現像剤の隙間漏れの発生が防止される。That is, a tear tape 2 having a sealant layer is adhered 41 on a surface of the cover film 1 having a sealant layer opposite to the surface facing the cover film 1, and the sealant layer of the cover film 1 and the sealant of the tear tape 2 are bonded. The cover film 1 to which the tear tape 2 is adhered is thermally welded to the surface of the outward flange 12 around the opening of the container by heat-bonding the cover film 1 to the opening of the container. The container opening 11 can be closed,
Further, the sealant of the cover film 1 and the sealant of the tear tape 2 fill the gap of the step portion of the cover film 1 due to the thickness of the tear tape 2 at the time of heat welding, thereby ensuring the sealing performance, and preventing the developer from leaking.

該現像剤補給容器Ｃ内の現像剤の現像装置本体内への
補給は、前述第９図例のものと同様に容器10のカバーフ
ィルム１面側を下向きにして現像装置本体Ｄ側の容器装
着部20に嵌着する。The supply of the developer in the developer supply container C into the developing device main body is performed by mounting the container on the developing device main body D side with the cover film 1 surface side of the container 10 facing downward in the same manner as in the example of FIG. Fit to the part 20.

その嵌着状態においてテアテープ２の延長折り返しテ
ープ部分2Aの外方突出自由端である把持部2Bを指でつま
んで外方へ引いてゆくと、テアテープ２の延長折り返し
テープ部分2Aが引張られ、それに伴なってカバーフィル
ム１の内面側に位置しているテアテープ２によって第２
図のようにカバーフィルム１が該フィルムの長手方向奥
側から手前側に順次にテアテープ２の幅W2と実質的に同
幅にスムーズに破断され、そのカバーフィルムの破断フ
ィルム部分はテアテープ２とともに除かれ、最終的にテ
アテープが装置外へ引き抜き除去されたときは第３図の
ようにカバーフィルム１面にはテアテープ２と略同幅の
現像剤供給用開口５が形成される。この開口５の形成に
より容器10内の現像剤が該開口５と対応している現像装
置本体側の現像剤投入開口部（22）から現像装置本体内
へ流入供給される。When the gripping portion 2B, which is the free end of the extended wrapping tape portion 2A of the tear tape 2 in the fitted state, is grasped with a finger and pulled outward, the extended wrapping tape portion 2A of the tear tape 2 is pulled, and Accordingly, the tear tape 2 located on the inner surface side of the cover film 1
As shown in the figure, the cover film 1 is smoothly broken sequentially from the back side to the front side in the longitudinal direction of the film to the width W 2 of the tear tape 2 so as to be substantially the same width as the width W 2 of the tear tape 2. When the tear tape is finally pulled out of the apparatus and removed, a developer supply opening 5 having substantially the same width as the tear tape 2 is formed on the surface of the cover film 1 as shown in FIG. Due to the formation of the opening 5, the developer in the container 10 flows into the developing device main body from the developer input opening (22) of the developing device main body corresponding to the opening 5.

尚、第２図・第３図は現像装置本体側の装着部（20）
に開口部11側を下向きにしてセットした状態の現像剤補
給容器Ｃのみを示してあり、現像装置側の部材は図に省
略されている。2 and 3 show the mounting portion (20) on the developing device main body side.
2 shows only the developer supply container C in a state where the opening 11 side is set downward, and members on the developing device side are omitted in the figure.

第７図・第８図は容器本体10が円筒形である現像剤補
給容器Ｃの実施例であり、容器本体10の母線方向に具備
させた開口部11に対してカバーフィルム１とテアテープ
２とからなるシール部材を上述第１図例の現像剤補給容
器Ｃと同様の関係構成で具備させてある。FIGS. 7 and 8 show an embodiment of the developer supply container C in which the container main body 10 has a cylindrical shape. The cover film 1 and the tear tape 2 correspond to the opening 11 provided in the generatrix direction of the container main body 10. Is provided with the same configuration as that of the developer supply container C of FIG. 1 described above.

この円筒形の現像剤補給容器Ｃは前述第10図の円筒形
の現像剤補給容器と同様につまみラグ16とは反対側の容
器端部を先にして、又カバーフィルム１で封止されてい
る開口部11側を上向きにして現像装置本体側の現像剤補
給容器挿入装着部内に十分に挿入して、或は挿入しなが
ら、テアテープ２の延長折り返し部分2Aの外方突出自由
端部である把持部2Bを指でつまんで引き抜くことにより
カバーフィルム１面にテアテープ２と略同幅の現像剤供
給開口（５）が形成される。The cylindrical developer supply container C is sealed with the cover film 1 in the same manner as the cylindrical developer supply container of FIG. With the opening 11 side facing upward, it is the outwardly protruding free end of the extended folded portion 2A of the tear tape 2 that is fully inserted into or inserted into the developer supply container insertion mounting portion of the developing device main body. A developer supply opening (5) having substantially the same width as the tear tape 2 is formed on the surface of the cover film 1 by grasping the grip portion 2B with a finger and pulling it out.

次いでつまみラグ16を指でつまんで円筒形容器10をそ
の長手軸線を中心に略180゜回転して上記形成された現
像剤供給開口を下向きにすることにより、容器10内の収
容現像剤が下向きとなった該開口５（第８図）から現像
装置本体内へ流出供給される。Next, the knob lug 16 is pinched by a finger to rotate the cylindrical container 10 by about 180 ° about its longitudinal axis so that the developer supply opening formed above faces downward, so that the developer contained in the container 10 faces downward. Through the opening 5 (FIG. 8), the developer is supplied into the developing device main body.

本例の円筒形の現像剤補給容器Ｃは第８図のようにそ
の容器本体10内に外部から駆動力を受けて運動して容器
10内の現像剤（ｔ）を攪拌・搬送する部材６を設けてあ
る。As shown in FIG. 8, the cylindrical developer supply container C of this embodiment moves inside the container main body 10 by receiving a driving force from the outside.
A member 6 for stirring and transporting the developer (t) in 10 is provided.

本例の部材６は、容器10内の中央軸線位置に両端部を
容器端面板に軸受支持させた回転軸6Aと、該軸と一体に
回転する攪拌棒6Bと、該攪拌棒の先端側に取付けた弾性
・柔軟フィルム材製やブラシ材製の攪拌翼6Cからなる。
攪拌翼6Cの先端部は円筒形容器10の内面に弾性に抗して
少したわみをもたせて接触させてある。The member 6 of this example includes a rotating shaft 6A having both ends bearing supported on a container end face plate at a center axis position in the container 10, a stirring rod 6B rotating integrally with the shaft, and a tip end side of the stirring rod. It consists of a stirrer 6C made of elastic / flexible film material or brush material attached.
The tip of the stirring blade 6C is brought into contact with the inner surface of the cylindrical vessel 10 with a slight deflection against elasticity.

回転軸6Aの奥側の軸端61（第７図）はそれを軸受させ
た容器奥側端面板15から容器外方へ突出させてあり、現
像剤補給容器Ｃが現像装置本体側の容器挿入装着部に対
して十分に挿入された状態において上記軸端61が現像装
置本体側の駆動手段（不図示）にカップリングする。A shaft end 61 (FIG. 7) on the back side of the rotary shaft 6A projects outward from the container back end plate 15 on which the shaft is mounted, and the developer supply container C is inserted into the container on the developing device main body side. The shaft end 61 is coupled to driving means (not shown) on the developing device main body side in a state where the shaft end 61 is sufficiently inserted into the mounting portion.

そしてテアテープ２の引き抜き除去によるカートリッ
ジＣの開封操作、現像剤補給容器Ｃの180゜反転操作が
なされた後に現像装置が稼動状態になると、軸端61とカ
ップリングしている現像装置本体側の駆動手段の駆動力
で軸6Aが所定の速度で連続的に又は間欠的に回転駆動さ
れる。これに伴ない攪拌棒6B・攪拌翼6Cが回転して容器
10内の現像剤が積極的に攪拌・搬送されてブリッジやブ
ロックがくずされ、テアテープ２の幅が狭くカバーフィ
ルム１に形成される現像剤供給用開口５の幅が狭くとも
容器10内の現像剤（ｔ）を該開口５から実質的に残りな
く容器外、即ち現像装置本体内へ供給させることが可能
となる。Then, after the cartridge C is opened by pulling out and removing the tear tape 2 and the developer replenishing container C is turned over by 180 °, when the developing device is put into operation, the drive of the developing device main body coupled to the shaft end 61 is started. The shaft 6A is driven to rotate continuously or intermittently at a predetermined speed by the driving force of the means. Along with this, the stirring rod 6B and stirring blade 6C rotate to rotate the container.
The developer in the container 10 is actively stirred and conveyed to break the bridges and blocks, so that the width of the tear tape 2 is small and the width of the developer supply opening 5 formed in the cover film 1 is small. The agent (t) can be supplied from the opening 5 to the outside of the container, that is, the inside of the developing device main body, without substantially remaining.

又、部材６の運動を制御することにより容器10内から
現像装置側への現像剤の供給量を制御することも可能で
ある。現像剤補給容器Ｃ側に上記回転軸6Aを手動で回転
させることができるつまみ部材・ハンドル部材を設けて
手動で回転させるようにすることもできる。Further, by controlling the movement of the member 6, it is possible to control the supply amount of the developer from the inside of the container 10 to the developing device side. A knob / handle member for manually rotating the rotary shaft 6A may be provided on the developer supply container C side to manually rotate the rotary shaft 6A.

上記のような現像剤攪拌・搬送部材６を前述第１図例
のような形態の現像剤補給容器10内に具備させることも
でき、同様の効果を得ることができる。The developer agitating / transporting member 6 as described above can be provided in the developer supply container 10 in the form as shown in FIG. 1 and the same effect can be obtained.

第１図例及び第７図例の現像剤補給容器の何れも前述
したように開封はテアテープ２の延長折り返しテープ部
分2Aの把手部2Bとしての自由端部を引っ張ることによ
り、テアテープ２の幅W2分のカバーフィルム１がテアテ
ープ２と共に直線的に裂けて現像剤補給口５を形成する
ので、開封途中で斜め方向に裂けたり、ちぎれたりする
ことがない。As described above, the developer supply container of each of FIGS. 1 and 7 can be opened by pulling the free end of the extended wrapping tape portion 2A of the tear tape 2 as the handle 2B. Since the cover film 1 for two minutes tears linearly together with the tear tape 2 to form the developer supply port 5, it does not tear or tear in the oblique direction during opening.

カバーフィルム１の材質は容器開口部11の気密・水密
を充分に保つことができ、又一方向への引き裂き性を有
する単層或は複合層のフィルム材、又はシート材を利用
することができ、例えばポリエステル・ポリプロピレン
・ポリスチレン・ナイロンなどの各種の延伸又は無延伸
合成樹脂フィルム材、同シート材、金属箔、紙等が挙げ
られる。The cover film 1 can be made of a single-layer or composite layer film or sheet having tearability in one direction, which can keep the container opening 11 airtight and watertight sufficiently. Examples thereof include various stretched or non-stretched synthetic resin film materials such as polyester, polypropylene, polystyrene, and nylon, the same sheet materials, metal foils, and paper.

カバーフィルム１の引き裂き方向について、一定方向
に裂ける性質のフィルムの例としては、一軸延伸ポリエ
チレンフィルム，一軸延伸ポリプロピレンフィルムや延
伸発泡ポリプロピレンフィルム、ハーフカットされた或
は軽い切り傷を与えたフィルム等が挙げられる。With respect to the tear direction of the cover film 1, examples of the film having a property of tearing in a certain direction include a uniaxially stretched polyethylene film, a uniaxially stretched polypropylene film and a stretched expanded polypropylene film, and a film cut in half or having a slight cut. Can be

そのようなフィルムを使用しない場合でも、カバーフ
ィルム１にテアテープ２を全面的に接着41したシール部
材構成にすることで、カバーフィルム１を実質的にテア
テープ２の巾に安定に破断させることができる。Even when such a film is not used, the cover film 1 can be stably broken substantially to the width of the tear tape 2 by forming a seal member structure in which the tear tape 2 is entirely adhered 41 to the cover film 1. .

あらかじめカバーフィルム１とテアテープ２を接着41
する場合、熱によるカールを防止することが重要であ
り、このため熱伝達がよく腰のあるAl（アルミニウム）
層をカバーフィルムに層として加えるとカール防止に有
効である。又、カバーフィルム１の端部にノッチ７（第
１図）を入れるとテアテープ２の引き始めにおいて、確
実にカバーフィルム１を引き裂くことができるのでより
有効である。Bond the cover film 1 and the tear tape 2 in advance 41
It is important to prevent curling due to heat, so that heat transfer is good and rigid (Al)
Adding a layer as a layer to the cover film is effective in preventing curling. In addition, it is more effective to insert the notch 7 (FIG. 1) into the end of the cover film 1 since the cover film 1 can be reliably torn at the beginning of the tear tape 2 pulling.

テアテープ２はカバーフィルム１を引き裂くのに充分
な強度を持っている必要があり、カバーフィルム１の３
倍以上の引張り強度を持つことが望ましい。強度が大き
ければカバーフィルム１と同様の各種の合成樹脂フィル
ム材、同シート材、金属箔、紙など何んでも利用でき
る。The tear tape 2 needs to have sufficient strength to tear the cover film 1.
It is desirable to have more than twice the tensile strength. If the strength is large, any kind of synthetic resin film material, the same sheet material, metal foil, paper and the like as the cover film 1 can be used.

カバーフィルム１、テアテープ２、容器10相互の接着
手段もポリエチレン系シーラントによるヒートシール
（熱溶着）に限られるものではなく、酢酸ビニル系樹脂
や、アイオノマー系樹脂によるヒートシールでも良く、
更には適当な材質も選べばインパルスシールや高周波ウ
ェルダーを利用しても、或は両面テープや適当な接着剤
を用いることによっても本発明の構成は実現可能であ
る。The means for bonding the cover film 1, the tear tape 2, and the container 10 to each other is not limited to heat sealing (heat welding) using a polyethylene sealant, but may be heat sealing using a vinyl acetate resin or an ionomer resin.
Furthermore, the configuration of the present invention can be realized by using an impulse seal or a high-frequency welder if an appropriate material is selected, or by using a double-sided tape or an appropriate adhesive.

例−１ 第１図例の現像剤補給容器Ｃのカバーフィルム１とテ
アテープ２として夫々下記の層構成の複合層材料を用い
た。第６図はそれ等の複合層材料の層構成模型図であ
る。Example 1 A composite layer material having the following layer constitution was used as the cover film 1 and the tear tape 2 of the developer supply container C in FIG. FIG. 6 is a schematic diagram of the layer structure of such a composite layer material.

カバーフィルム1:幅16.5mm、 長さ213mm ポリエステル1a＝12μｍ Al層1b＝７μｍ ポリエチレン系シーラント1c＝30μｍ テアテープ2:幅8.5mm 長さ500mm（延長折り返し部分2A及び把持部2Bも含む） ポリエチレン系シーラント2a＝30μｍ ポリエステル層2b＝25μｍ ポリエチレン系シーラント2c＝30μｍ 容器10の開口部11の幅9.0mm、長さ202mm、ヒートシー
ル３の幅は一律3.5mm。Cover film 1: Width 16.5mm, length 213mm Polyester 1a = 12μm Al layer 1b = 7μm Polyethylene sealant 1c = 30μm Tea tape 2: 8.5mm in width 500mm in length (including extended folded part 2A and grip part 2B) Polyethylene sealant 2a = 30 μm Polyester layer 2b = 25 μm Polyethylene sealant 2c = 30 μm The width of the opening 11 of the container 10 is 9.0 mm, the length is 202 mm, and the width of the heat seal 3 is 3.5 mm.

先ずカバーフィルム１の内面側に対してテアテープ２
をあらかじめ第５図のように全面接着処理41（ヒートシ
ール）した形態のシール材を作成した。First, a tear tape 2 is applied to the inner side of the cover film 1.
Was previously subjected to a full-surface bonding process 41 (heat sealing) as shown in FIG. 5 to prepare a sealing material.

このシール材のカバーフィルム１の周縁を容器10のフ
ランジ12面にヒートシールで接着処理３・４・４して第
１図例の現像剤補給容器Ｃを作製した。又カバーフィル
ム１にはノッチ７を具備させた。The peripheral edge of the cover film 1 of the sealing material was heat-sealed to the surface of the flange 12 of the container 10 by means of heat-sealing to produce a developer supply container C of FIG. The cover film 1 was provided with a notch 7.

この補給容器の開封に要する力（テアテープ引張りに
よりカバーフィルムを引き裂く力）は0.3〜0.5kgであ
り、形成される開口５（第２・３図）の幅はテアテープ
２の幅W2とほぼ同じであった。又100個の補給容器Ｃを
作り、開封操作したがすべて良好な結果が得られた。Force required for opening of the supply container (force to tear the cover film by pulling the tear tape) is 0.3～0.5Kg, the width of the opening 5 formed (second and third diagram) is substantially the same as the width W 2 of the tear tape 2 Met. Further, 100 replenishing containers C were prepared and opened, but all good results were obtained.

例−２ カバーフィルム１を下記の層構成の複合層材料とした
以外は他は全て例１と同様にして第１図例の現像剤補給
容器を作製した。Example 2 The developer supply container of FIG. 1 was prepared in the same manner as in Example 1 except that the cover film 1 was made of a composite layer material having the following layer structure.

カバーフィルム１ 延伸ポリプロピレン層1a＝20μｍ Al層1b＝７μｍ ポリエチレン系シーラント1c＝30μｍ この現像剤補給容器の開封に要する力は0.3〜0.5kgで
あり、又形成される開口５の幅は例１よりはややばらつ
いたもののたいした差はなく、実用上支障はなかった。Cover film 1 Stretched polypropylene layer 1a = 20 μm Al layer 1b = 7 μm Polyethylene-based sealant 1c = 30 μm The force required to open this developer supply container is 0.3-0.5 kg, and the width of the opening 5 formed is the same as in Example 1. Although it fluctuated slightly, there was no significant difference, and there was no problem in practical use.

例−３ カバーフィルム１を下記の層構成の複合層材料とした
以外は他は全て例１と同様にして第１図例の現像剤補給
容器を作製した。Example 3 A developer supply container of FIG. 1 was prepared in the same manner as in Example 1 except that the cover film 1 was made of a composite layer material having the following layer structure.

カバーフィルム１ ポリエステル層1a＝12μｍ ポリエチレン系シーラント1c＝30μｍ （層1bはなし） この現像剤補給容器の開封に要する力は0.2〜0.4kgで
あり、又形成される開口５の幅はテアテープ２の幅とほ
ぼ同じであった。ただし、このシールはカール性が著し
く、作業がやりづらい場合がある。Cover film 1 Polyester layer 1a = 12 μm Polyethylene sealant 1c = 30 μm (no layer 1b) The force required to open this developer supply container is 0.2 to 0.4 kg, and the width of the opening 5 formed is the width of the tear tape 2 Was almost the same as However, this seal has a remarkable curl property, and it may be difficult to perform the operation.

例−４ カバーフィルム１として下記の層構成の複合層材料を
用いた。Example-4 As the cover film 1, a composite layer material having the following layer configuration was used.

カバーフィルム１ 延伸発泡ポリプロピレン層1a＝80μｍ （商品名：サニパール） 酢酸ビニルシーラント層1c＝40μｍ （層1bはなし） 本例はこのカバーフィルム１をノッチ７なしで用いた
以外は他は全て例１と同じにして第１図例の現像剤補給
容器Ｃを作製した。この開封に要する力は0.3kg以下で
あり、又形成される開口５の幅はテアテープ２の幅とほ
ぼ同じであった。このシールはノッチなしできれいに開
口した。その他の点でも例１と同様良好な結果が得られ
た。Cover film 1 Stretched expanded polypropylene layer 1a = 80 µm (Product name: Sanipearl) Vinyl acetate sealant layer 1c = 40 µm (No layer 1b) This example is the same as Example 1 except that this cover film 1 was used without the notch 7 In the same manner, the developer supply container C of FIG. 1 was manufactured. The force required for this opening was 0.3 kg or less, and the width of the opening 5 formed was almost the same as the width of the tear tape 2. The seal opened cleanly without a notch. In other respects, good results were obtained as in Example 1.

例−５ 例４に用いたカバーフィルム１をノッチ７を入れずに
使用した以外は例５と同じである。このシールの開封に
要する力は0.3kg以下であり、形成される開口５の幅も
テアテープ２の幅とほぼ同じであった。このシールで
は、ノッチなしでしかも端部接着４・４のみできれいに
裂けた。Example-5 The same as Example 5 except that the cover film 1 used in Example 4 was used without the notch 7. The force required to open this seal was 0.3 kg or less, and the width of the opening 5 formed was almost the same as the width of the tear tape 2. This seal was torn cleanly without a notch and with only the end bonds 4.4.

例−６ 第７図例の円筒系の現像剤補給容器Ｃについてシール
の構成は例１と同じであるが、テアテープ２の幅W2を5m
mとした。その他の条件は例１と同じである。このシー
ルの開封に要する力は0.3〜0.5kgであり、形成される開
口（５）の幅はテアテープ２の幅W2とほぼ同じであっ
た。Example-6 The seal configuration of the cylindrical developer supply container C of FIG. 7 is the same as that of Example 1, except that the width W2 of the tear tape 2 is 5 m.
m. Other conditions are the same as in Example 1. Force required for unsealing of the seal is 0.3～0.5Kg, the width of the opening (5) formed was almost the same as the width W 2 of the tear tape 2.

以上の例１〜６の各例において、 環境・物理テストとして振動テスト、減圧テスト、落
下テスト、高温高湿放置テストについて、各条件ごとに
サンプル現像剤補給容器を10ヶずつ用いて行なった。In each of the above Examples 1 to 6, a vibration test, a pressure reduction test, a drop test, and a high-temperature and high-humidity test as environmental and physical tests were performed using ten sample developer supply containers for each condition.

振動テストは振動試験紙を用いて加速度1Gで振動数は
10〜100HZを2.5分周期で変化させながら、ｘ、ｙ、ｚ方
向について各々１時間ずつ行なった（JIS−Z0232準
拠）。The vibration test uses a vibration test paper and the acceleration is 1G.
The test was performed for 1 hour each in the x, y, and z directions while changing 10 to 100 Hz in a cycle of 2.5 minutes (based on JIS-Z0232).

減圧テストは、−30cmHg下に30分放置を２回くり返し
行った。The reduced pressure test was repeatedly performed by leaving the sample under −30 cmHg for 30 minutes twice.

落下テストは、常温、−20℃、＋45℃の２種の環境で
それぞれ行い、サンプル容器装置は所定の梱包を行った
うえで上記の環境下に24時間以上放置したのち落下テス
トに供した。落下高さは90cm、落下面はコンクリート
し、１角３陵６面の順で計10回落下を行った（JIS−Ｚ
−0202準拠）。The drop test was performed in two environments of normal temperature, −20 ° C., and + 45 ° C. The sample container was packed in a predetermined package, left in the above environment for 24 hours or more, and then subjected to the drop test. The falling height was 90 cm, the falling surface was concrete, and the surface was dropped 10 times in total in the order of 1 corner, 3 ridges and 6 surfaces (JIS-Z
−0202 compliant).

高温高湿放置テストは、サンプル容器を45℃/85RH％
の環境下に１週間放置を行った。The high-temperature and high-humidity test was performed by setting the sample container to 45 ° C / 85RH%.
Was left for one week in the environment described above.

上記の条件にて各種テストを行ったが、いずれのテス
トにおいてもカバーフィルム１・テアテープ２の浮き、
はがれ、現像剤のもの等の異常は全く認められなかっ
た。Various tests were performed under the above conditions. In each test, the cover film 1 and the tear tape 2 floated,
Peeling and abnormalities such as those of the developer were not observed at all.

比較例−１ 例１に用いたカバーフィルム１とテアテープ２をあら
かじめヒートシールで接着41せずに、一度に容器本体10
にヒートシール３・４・４して第４図例のような現像剤
補給容器Ｃを作製した。この場合、カバーフィルム１と
テアテープ２は２ヶ所の端部でのみ接着４・４してい
る。残りの条件は例１と同じである。開封に要する力は
0.4〜1.4kgとかなり不安定であり、又、形成される開口
５の幅も６〜9mmとばらついた。Comparative Example-1 The cover film 1 and the tear tape 2 used in Example 1 were not bonded together by heat sealing 41 in advance, and the container
Then, the developer supply container C as shown in FIG. In this case, the cover film 1 and the tear tape 2 are bonded at only two ends. The remaining conditions are the same as in Example 1. The power required to open
It was considerably unstable at 0.4 to 1.4 kg, and the width of the opening 5 formed varied from 6 to 9 mm.

比較例−２ 前述第９図の従来の現像剤補給容器Ｃにおいて、シー
ル部材13として下記の複合層材料を用い、例１と同じ容
器10に同じ条件でヒートシール接着処理（イージーピー
ル）14した。Comparative Example 2 In the conventional developer supply container C of FIG. 9 described above, the following composite layer material was used as the sealing member 13, and the same container 10 as in Example 1 was subjected to heat seal bonding treatment (easy peeling) 14 under the same conditions. .

シール部材13:幅16.5mm、 長さ500mm 延伸ポリプロピレン層＝30μｍ ナイロン層＝15μｍ ポリエチレン系シーラント＝55μｍ このシールの把持部13Bを引いてシール部材13を容器1
0との接着部14の抗力に抗して引き剥し開封するに要す
る力は1.1〜1.8kgであった。本例において100個の容器
を作ったところ、いくつかはシールの途中切れによりト
ナーが供給されないというトラブルが生じた。又シール
の引き剥がし時に接着剤の細片がトナーに混入して白ス
ジが出るというトラブルも生じた。Sealing member 13: width 16.5 mm, length 500 mm stretched polypropylene layer = 30 μm nylon layer = 15 μm polyethylene-based sealant = 55 μm
The force required for peeling and unsealing against the resistance of the bonded portion 14 with 0 was 1.1 to 1.8 kg. In this example, when 100 containers were made, some of them had a problem that toner was not supplied due to breakage of the seal. In addition, there was also a problem in that small pieces of the adhesive were mixed into the toner when the seal was peeled off, resulting in white stripes.

環境・物流テストについても前記テストと同一条件
で、サンプル容器各10ヶずつテストを行った。For environmental and logistics tests, 10 samples were tested for each sample container under the same conditions as those described above.

振動テストでは異常がなかった。減圧テストではシー
ル部材の浮きが10本中３本で発生したが、現像剤のもれ
はなかった。落下テストは、常温及び＋45℃の場合には
異常がなかったが、−20℃の場合にはシール部材13のは
がれ、及び現像剤のわずかなもれが10本中２本で発生し
た。高温・高湿テストではシール部材の浮きが10本中３
本で発生したが、現像剤のもれは発生しなかった。There was no abnormality in the vibration test. In the decompression test, three out of ten seal members were lifted, but there was no leakage of the developer. In the drop test, there was no abnormality at room temperature and at + 45 ° C., but at −20 ° C., peeling of the seal member 13 and slight leakage of the developer occurred in two out of ten. In the high temperature and high humidity test, 3 out of 10 floating seal members
Although this occurred in the book, no leakage of the developer occurred.

（発明の効果） 以上のように本発明によれば、引き裂きテープ使用タ
イプの現像剤補給容器について、シーラント層1cを有す
る封止フィルム１（カバーフィルム）のシーラント層1c
上に封止フィルム１と面する側とは反対側の面にシーラ
ント層2cを有する引き裂きテープ２（テアテープ）を接
着41し、封止フィルム１のシーラント層1cと引き裂きテ
ープ２のシーラント層2cとにより、引き裂きテープ２が
接着された封止フィルム１を容器10に対して熱溶着３・
４・４することで開口部11を封塞した特徴構成により、
簡単に容器開口部11を封塞することができて製造工程を
簡易化でき、更に封止フィルム１のシーラント1cと引き
裂きテープ２のシーラント2cにより熱溶着３・４・４の
際に引き裂きテープ２の厚みによる封止フィルム１の段
差部の隙間が埋まり密封性が確保されて現像剤の隙間漏
れの発生が防止される。(Effects of the Invention) As described above, according to the present invention, a sealant layer 1c of a sealing film 1 (cover film) having a sealant layer 1c is provided for a developer supply container using a tear tape.
A tear tape 2 (tea tape) having a sealant layer 2c on the surface opposite to the side facing the sealing film 1 is bonded 41 thereon, and the sealant layer 1c of the sealing film 1 and the sealant layer 2c of the tear tape 2 are bonded together. The sealing film 1 with the tear tape 2 adhered thereto is thermally welded to the container 10 by 3.
By the characteristic configuration that closed the opening 11 by doing 4.4,
The container opening 11 can be easily closed, and the manufacturing process can be simplified. Further, the tear tape 2 is used during the heat welding 3/4 with the sealant 1c of the sealing film 1 and the sealant 2c of the tear tape 2. The gap of the step portion of the sealing film 1 due to the thickness of the sealing film is filled, the sealing property is secured, and the occurrence of the gap leakage of the developer is prevented.

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

第１図は一実施例の現像剤補給容器の一部切欠き斜視
図、第２図は開封途中状態の斜視図、第３図は完全に開
封された状態の斜視図、第４図はテアテープをカバーフ
ィルムに対して該フィルムの両端側２ヶ所で接着した形
態のカートリッジの一部切欠き斜面図、第５図はカバー
フィルムに対してテアテープを予め全面的に接着したシ
ール材の平面図、第６図はカバーフィルムとテアテープ
の層構成模形図、第７図は円筒形の現像剤補給容器につ
いての一実施例の一部切欠き斜視図、第８図は開封され
た状態時の拡大横断面図、第９図（Ａ）は従来の現像剤
補給容器の一部切欠き斜面図、同図（Ｂ）は現像装置本
体側の装着部にセットされ、開封される前状態の縦断面
図、第10図は従来の円筒形の現像剤補給容器の分解斜視
図である。 10は容器本体、１はカバーフィルム（封止フィルム）、
1cはシーラント層、２はテアテープ（引き裂きテー
プ）、2a・2cはシーラント層、2Aはテアテープの延長折
り返し部分、2Bは把持部、３・４・41は接着部、ｔは現
像剤。FIG. 1 is a partially cutaway perspective view of a developer supply container according to one embodiment, FIG. 2 is a perspective view showing a state in the middle of opening, FIG. 3 is a perspective view showing a completely opened state, and FIG. Is a partially cut-away bevel view of a cartridge in which the film is bonded to the cover film at two places on both ends of the film. FIG. 5 is a plan view of a sealing material in which a tear tape is completely bonded in advance to the cover film. FIG. 6 is a schematic view of a layer structure of a cover film and a tear tape, FIG. 7 is a partially cutaway perspective view of one embodiment of a cylindrical developer supply container, and FIG. 8 is an enlarged view of an opened state. FIG. 9 (A) is a partially cutaway perspective view of a conventional developer supply container, and FIG. 9 (B) is a vertical cross-section of the conventional developer supply container set in a mounting portion on the developing device main body side before being opened. FIG. 10 is an exploded perspective view of a conventional cylindrical developer supply container. 10 is a container body, 1 is a cover film (sealing film),
1c is a sealant layer, 2 is a tear tape (tear tape), 2a and 2c are sealant layers, 2A is an extended folded portion of the tear tape, 2B is a gripping portion, 3 / 4.41 is an adhesive portion, and t is a developer.

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】現像剤を収容し開口部を有する容器と、開
口部周囲に接着され開口部を覆う封止フィルムと、この
封止フィルムの内面に開口部の長手方向に沿って固着さ
れ一端が封止フィルムより延長して把手部を形成する引
き裂きテープと、を有し、引き裂きテープを引くことに
より封止フィルムが実質的に引き裂きテープの巾に破断
される現像剤補給容器において、 シーラント層を有する封止フィルムのシーラント層上に
封止フィルムと面する側とは反対側の面にシーラント層
を有する引き裂きテープを接着し、封止フィルムのシー
ラント層と引き裂きテープのシーラント層とにより、引
き裂きテープが接着された封止フィルムを容器に対して
熱溶着することで開口部を封塞したことを特徴とする現
像剤補給容器。1. A container for storing a developer and having an opening, a sealing film adhered around the opening and covering the opening, and one end fixed to an inner surface of the sealing film along a longitudinal direction of the opening. A tear tape extending from the sealing film to form a handle portion, wherein the tear film is pulled so that the sealing film is substantially broken to the width of the tear tape. A tear tape having a sealant layer on the surface opposite to the side facing the sealing film is adhered on the sealant layer of the sealing film having a tear, and the tear is caused by the sealant layer of the sealing film and the sealant layer of the tear tape. A developer supply container characterized in that an opening is closed by heat-sealing a sealing film with a tape adhered to the container. 【請求項２】封止フィルムを容器に熱溶着するためのシ
ーラント層は酢酸ビニル系であり、引き裂きテープを容
器に熱溶着するためのシーラント層はポリエチレン系で
あることを特徴とする請求項１の現像剤補給容器。2. The sealant layer for heat-sealing the sealing film to the container is made of vinyl acetate, and the sealant layer for heat-sealing the tear tape to the container is made of polyethylene. Developer supply container.
JP63049290A 1988-03-02 1988-03-02 Developer supply container Expired - Fee Related JP2611312B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63049290A JP2611312B2 (en) 1988-03-02 1988-03-02 Developer supply container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63049290A JP2611312B2 (en) 1988-03-02 1988-03-02 Developer supply container

Publications (2)

Publication Number Publication Date
JPH01223485A JPH01223485A (en) 1989-09-06
JP2611312B2 true JP2611312B2 (en) 1997-05-21

Family

ID=12826769

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63049290A Expired - Fee Related JP2611312B2 (en) 1988-03-02 1988-03-02 Developer supply container

Country Status (1)

Country Link
JP (1) JP2611312B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0389450U (en) * 1989-12-26 1991-09-12
US6097907A (en) * 1996-10-02 2000-08-01 Canon Kabushiki Kaisha Developer container, process cartridge, developer sealing member and sealing method
JP3486551B2 (en) * 1998-03-20 2004-01-13 キヤノン株式会社 Developer container and process cartridge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5346040A (en) * 1976-10-08 1978-04-25 Canon Inc Developer cartridge
JPS5621166A (en) * 1979-07-27 1981-02-27 Hitachi Metals Ltd Toner cartridge
JPS6235371U (en) * 1985-08-21 1987-03-02

Also Published As

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JPH01223485A (en) 1989-09-06

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