JPS60225872A - Beltlike electrophotographic sensitive body - Google Patents

Beltlike electrophotographic sensitive body

Info

Publication number
JPS60225872A
JPS60225872A JP59082267A JP8226784A JPS60225872A JP S60225872 A JPS60225872 A JP S60225872A JP 59082267 A JP59082267 A JP 59082267A JP 8226784 A JP8226784 A JP 8226784A JP S60225872 A JPS60225872 A JP S60225872A
Authority
JP
Japan
Prior art keywords
cracking
joint
joint part
layer
beltlike
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
JP59082267A
Other languages
Japanese (ja)
Other versions
JPH0654393B2 (en
Inventor
Junichi Yamazaki
純一 山崎
Atsushi Kutami
篤 久田見
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP59082267A priority Critical patent/JPH0654393B2/en
Priority to DE19853514809 priority patent/DE3514809A1/en
Priority to US06/726,620 priority patent/US4758486A/en
Publication of JPS60225872A publication Critical patent/JPS60225872A/en
Publication of JPH0654393B2 publication Critical patent/JPH0654393B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/116—Single bevelled joints, i.e. one of the parts to be joined being bevelled in the joint area
    • B29C66/1162—Single bevel to bevel joints, e.g. mitre joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/03—After-treatments in the joint area
    • B29C66/038—Covering the joint by a coating material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/14—Particular design of joint configurations particular design of the joint cross-sections the joint having the same thickness as the thickness of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4324—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms for making closed loops, e.g. belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • 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
    • G03G15/75—Details relating to xerographic drum, band or plate, e.g. replacing, testing
    • G03G15/754—Details relating to xerographic drum, band or plate, e.g. replacing, testing relating to band, e.g. tensioning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72321—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of metals or their alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/731—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the intensive physical properties of the material of the parts to be joined
    • B29C66/7311—Thermal properties
    • B29C66/73117—Tg, i.e. glass transition temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/709—Articles shaped in a closed loop, e.g. conveyor belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/764—Photographic equipment or accessories

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Photoreceptors In Electrophotography (AREA)

Abstract

PURPOSE:To prevent cracking at the joint part of a photosensitive body, or the cracking or separation of a photosensitive layer near the joint part and also to prevent discharge at the joint part by forming a joint-reinforcing resin layer at the joint part and providing a conductive layer thereupon. CONSTITUTION:The joint-reinforcing resin layer 5 is provided at the joint part 4 of the beltlike photosensitive body constituted by providing a photoconductive layer 3 on conductive bases 1 and 2 and joining both ends, and the conductive layer 6 is further formed thereupon. This beltlike photosensitive body is left at, for example, -10 deg.C for about one week and then it is found that this photosensitive body has none of the cracking at the joint part 4, and the cracking and separation of the photoconductive layer 3 near the joint part 4 as a result of a cracking test in an atmosphere of about 5 deg.C. Even if this beltlike photosensitive body is used repeatedly many times in an atmosphere of about 25 deg.C, neither the cracking of the joint part 4 nor the cracking and separation of the photosensitive layer 3 near the joint part 4 occurs. Further, the sticking of a developer on the joint part 4 is a little, so the inside of the machine is not stained and the amount of waste toner is reduced.

Description

【発明の詳細な説明】 技術分野 本発明は電子写真複写機等に用いるベルト状電子写真感
光体に関する。DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to a belt-shaped electrophotographic photoreceptor used in electrophotographic copying machines and the like.

従来技術 ベルト状電子写真感光体としては、樹脂フィルム上に導
電層を形成し、その導電層上に光導電性感光層を形成し
た電子写真感光体を長方形に切断し、その両端部を当接
させて接合し、ベルト状に形成したものが知られている
。Conventional technology As a belt-shaped electrophotographic photoreceptor, a conductive layer is formed on a resin film, a photoconductive photosensitive layer is formed on the conductive layer, the electrophotographic photoreceptor is cut into a rectangular shape, and both ends of the electrophotographic photoreceptor are brought into contact. It is known that they are joined together to form a belt shape.

このようなベルト状感光体はくり返し使用されるが、そ
の際に接合部に割れが生じたり、接合部付近において感
光層の割れや剥離が生ずるという欠点がある、 また、このようなベルト状電子写真感光体では、接合部
が帯電工程により帯電されると、クリーニング工程にお
いて除電ランプにより除電な行っても接合部における除
電が充分にできないという欠点がある。そのため現像工
程において接合部が現像され、この部分は画像形成部分
として使用されないので、転写されずにクリーニング工
程に到るためクリーニング装置に負担をかけるとともに
、機内汚れを起す原因となる、更にクリーニングによっ
て回収する排トナーの量が増大するという欠点がある。Although such a belt-shaped photoreceptor is used repeatedly, it has the disadvantage that cracks may occur at the joint, and cracks or peeling of the photosensitive layer may occur near the joint. A photographic photoreceptor has a drawback in that if the bonded portion is charged during the charging process, the charge at the bonded portion cannot be sufficiently removed even if the charge is removed using a discharge lamp in the cleaning process. Therefore, the joint is developed in the developing process, and this area is not used as an image forming area, so it goes to the cleaning process without being transferred, which puts a burden on the cleaning device and causes dirt inside the machine. This has the disadvantage that the amount of waste toner to be collected increases.

これらの欠点を解決するため、接合部上に導電層を形成
し、この導電層と感光体の導電層を電気的に接続する方
法が提案されている、この方法によれば、接合部におけ
る帯電を防止することができるが、接合部上へ導電層は
樹脂などの結着剤中に導電剤として黒鉛、カーボンブラ
ック、銅、銀などの導電性粉末を混入させて形成するた
め、接合部における割れや、接合部付近における感光層
の割れ、あるいは感光層の剥離を充分に防止することが
できないという欠点がある。In order to solve these drawbacks, a method has been proposed in which a conductive layer is formed on the joint and the conductive layer and the conductive layer of the photoreceptor are electrically connected. According to this method, charging at the joint is reduced. However, since the conductive layer on the joint is formed by mixing a conductive powder such as graphite, carbon black, copper, or silver as a conductive agent in a binder such as resin, There is a drawback that cracking, cracking of the photosensitive layer near the joint, or peeling of the photosensitive layer cannot be sufficiently prevented.

発明の目的 この発明は、上記欠点を改良し、接合部における割れや
、接合部付近における感光層の割れ、あるいは感光層の
剥離を防止し、かつ接合部における帯電を防止し得るベ
ルト状電子写真感光体を提供することを目的としている
。Purpose of the Invention The present invention improves the above-mentioned drawbacks, and provides a belt-shaped electrophotographic device that can prevent cracking at the joint, cracking of the photosensitive layer near the joint, or peeling of the photosensitive layer, and prevent charging at the joint. The purpose is to provide photoreceptors.

発明の構成 この発明は、導電性支持体上に光導電層を設けてなる重
子写真感光体の両端を接合してなるベルト状電子写真感
光体において、接合部に接合補強樹脂層を設け、更にそ
の上に導電層を設けたことを特徴とするベルト状電子写
真感光体である。Structure of the Invention The present invention relates to a belt-shaped electrophotographic photoreceptor formed by joining both ends of a photoconductor comprising a photoconductive layer provided on an electrically conductive support, in which a joining reinforcing resin layer is provided at the joint portion, and This is a belt-shaped electrophotographic photoreceptor characterized by having a conductive layer provided thereon.

上記ベルト状電子写真感光体を図面によって具体的に示
すと、第１図は本発明のベルト状電子写真感光体の接合
部の断面図を示したものであり、第２図は、ベルト状電
子写真感光体の全体図を示したものである。本発明のベ
ルト状電子写真感光体ハ例えば、ポリエステルフィルム
の支持体１の上にアルミニウムを蒸着し導電層２を形成
し、導電層２の上に有機または無機の光導電性物質を含
む光導電性感光層８を設けた感光体の端部を当接させて
接合部４で、例えば超音波接合法による融着あるいは接
着剤による接着などの方法で接合させ、接合部ｌ上を接
合補強樹脂層５で被覆し、更に接合補強樹脂層５上に導
電層６を設けてなるものである。７は接地用の電極であ
り、導電層６は７と導通している。To specifically illustrate the above-mentioned belt-shaped electrophotographic photoreceptor with drawings, FIG. 1 shows a sectional view of the joint portion of the belt-shaped electrophotographic photoreceptor of the present invention, and FIG. 1 shows an overall diagram of a photographic photoreceptor. The belt-shaped electrophotographic photoreceptor of the present invention is formed by, for example, depositing aluminum on a polyester film support 1 to form a conductive layer 2, and on the conductive layer 2, a photoconductive material containing an organic or inorganic photoconductive substance is formed. The ends of the photoreceptors provided with the photosensitive layer 8 are brought into contact with each other and joined at the joint 4 by a method such as fusion by ultrasonic bonding or adhesive bonding, and the joint reinforcing resin is applied over the joint l. A conductive layer 6 is further provided on the bonding reinforcing resin layer 5. 7 is a grounding electrode, and the conductive layer 6 is electrically connected to 7.

接合補強樹脂層５は、例えばポリエステル樹脂、アクリ
ル樹脂、メタアクリル樹脂、スチレン樹脂、スチレン・
アクリレート共重合体、スチレン−メタアクリレート共
重合体、ポリカードネート、ポリウレタン等を溶剤で溶
解し、これを接合部上にレタン樹脂、−ｚｈのエポキシ
樹脂、ウレタン樹脂、シアノアクリレート樹脂、あるい
は紫外線硬化型の樹脂などを用いることができる。The bonding reinforcing resin layer 5 is made of, for example, polyester resin, acrylic resin, methacrylic resin, styrene resin, styrene resin, etc.
Acrylate copolymer, styrene-methacrylate copolymer, polycarbonate, polyurethane, etc. are dissolved in a solvent, and this is applied onto the joint with urethane resin, -zh epoxy resin, urethane resin, cyanoacrylate resin, or ultraviolet curing resin. A mold resin or the like can be used.

更に、ホットメルト型の接着剤を熱溶融して、接合部上
に被覆してもよく、また圧力活性型あるいは熱活性型の
接着剤をコーティングした高分子フィルム、金属箔等を
スリット状に接着してもよい。Furthermore, a hot-melt adhesive may be melted and coated on the joint, or a polymer film, metal foil, etc. coated with a pressure-activated or heat-activated adhesive may be bonded in the form of a slit. You may.

上記の樹脂、共ル合体あるいは接着剤としてはガラス転
移点が一１０℃以下のものが好ましい。The above-mentioned resin, colloid, or adhesive preferably has a glass transition point of 110° C. or lower.

ガラス転位力が一１０℃以下の樹脂、共重合体、あるい
は接着剤を用いた場合には、接合部の割れや、接合部付
近の感光層の割れあるいは感光層の剥離の防止に特に優
れており、低温での使用環境下においても、割れや剥離
を生じることがない。When a resin, copolymer, or adhesive with a glass transition force of 110°C or less is used, it is particularly effective in preventing cracking of the joint, cracking of the photosensitive layer near the joint, or peeling of the photosensitive layer. Therefore, it will not crack or peel even under low-temperature usage environments.

ガラス転位点が一］０℃以下の高分子材料としては、例
えば東亜合成化学工業社製の商品名アロンメルトＰＥ８
−１１．１、ＰＥＳ−１２０、ＰＥ８−１２０Ｈ，ＰＥ
８−１１０Ｈなどのポリエステル系樹脂があけられる。As a polymer material having a glass transition point of 1]0°C or lower, for example, Aronmelt PE8 manufactured by Toagosei Chemical Industry Co., Ltd.
-11.1, PES-120, PE8-120H, PE
Polyester resins such as 8-110H can be used.

これらは熱溶融して接合部上に被覆しても、あるいはテ
トラヒドロファンまたは塩化メチレン等の溶媒に溶解し
て接合部上に塗布してもよい。These may be heat melted and coated onto the joint, or dissolved in a solvent such as tetrahydrophane or methylene chloride and applied onto the joint.

樹脂層５に用いると同様な拘脂、共重合体あるいは接着
剤等の結着剤の溶液にカーボンブラック、黒鉛、銅粉、
銀粉、ニッケル粉などの導電性粒子を混合分散し、これ
を樹脂Ｍ５上にスリット状に塗布し、乾燥することによ
り、容易に形成することができる、 また、これらの結着剤を熱溶融し、これに導電性粒子を
混合分散したものをスリット状に融着することによって
、導電層を形成してもよい。Carbon black, graphite, copper powder,
It can be easily formed by mixing and dispersing conductive particles such as silver powder and nickel powder, applying it in the form of slits on resin M5, and drying it. A conductive layer may be formed by mixing and dispersing conductive particles thereon and fusing it in a slit shape.

結着剤としては、ガラス転位点が一１０℃以下のものが
好ましく、接合補強樹脂層に用いるガラス転位点が一１
θ℃以下のポリエステル型の高分子材料が特に好ましい
。接合補強樹脂層として接着剤をコーティングした金属
箔を用いる場合には、金属箔の部分を導電層として用い
ることもできる。The binder preferably has a glass transition point of 110 degrees Celsius or lower, and has a glass transition point of 110 degrees Celsius or less for use in the bonding reinforcing resin layer.
Polyester-type polymeric materials having a temperature of θ° C. or lower are particularly preferred. When using a metal foil coated with an adhesive as the bonding reinforcing resin layer, the metal foil portion can also be used as a conductive layer.

以下に実施例を示して、この発明を具体的に説明する。EXAMPLES The present invention will be specifically described below with reference to Examples.

実施例 アルミニウムを蒸着したポリエステルフィルム上に四辺
の周辺部にアルミニウム蒸着部を残して長方形に光導電
層を設けた電子写真感光体を、アルミニウム蒸着部を若
干残して長方形に切り取り、その両端な当接させ、超音
波折合により融着させてベルト状電子写真感光体とした
。Example An electrophotographic photoreceptor was prepared by forming a rectangular photoconductive layer on a polyester film coated with aluminum, leaving aluminum vapor deposits on the periphery of the four sides. They were brought into contact with each other and fused by ultrasonic folding to form a belt-shaped electrophotographic photoreceptor.

このベルト状電子写真感光体の接合部に、下記溶液をス
リット状に塗布し、乾燥して接合補強樹脂層を形成した
。The following solution was applied in a slit shape to the joint portion of this belt-shaped electrophotographic photoreceptor and dried to form a joint reinforcing resin layer.

ガラス転位点が−ＪＯ℃以下のポリエステル樹脂（アロ
ンメルトＰＥ５−Ｉｌｌ、東亜合成化学工業社製１５重
都・部 テトラヒドロフラン　８５重量部 この接合補強樹脂層上に下記分散液をスリット状に塗布
し、乾燥して導′ｆＩＩ層を形放し、た。A polyester resin having a glass transition point of -JO°C or lower (Aronmelt PE5-Ill, manufactured by Toagosei Kagaku Kogyo Co., Ltd., 15 parts by weight, 85 parts by weight of tetrahydrofuran) The following dispersion was applied in the form of slits onto this joint reinforcing resin layer, and dried. Then, the conductor fII layer was released.

アロンメル）ＰＥ８−１１１　（事前合成化学工業社製
）＋　１２１Ｊｆ量部 黒　鉛　４　〃 カーボンブラック　４Ｉ テトラヒドロフラン　８０　＠ｆ＠部 このようにして作成したベルト状電子写真感光体を、−
１０℃で１週間保管したのら、これをとり出し５℃の環
境下で接合部分の割れテストを行った結果、接合部の割
れ、接合部＋１近の光導電層の割れや剥離は生じなかっ
た。PE8-111 (manufactured by Advance Synthetic Chemical Industry Co., Ltd.) + 121 Jf parts Graphite 4 Carbon black 4I Tetrahydrofuran 80 @f @ parts
After storing it at 10℃ for one week, it was taken out and a cracking test was performed on the joint at 5℃.As a result, there was no cracking at the joint, and no cracking or peeling of the photoconductive layer near the joint +1. Ta.

次に、このベルト状電子写真感光体を用い、電子写真複
写機で２５℃の環境下において５万回くり返し使用した
結果、接合部の割れ、接合部付近の光導電層の割れや剥
離はみられなかったーまた、接合部に現像剤の付着がな
く、機内汚れ）　の発生もみられず、更に排トナーの量
も少なかった。Next, this belt-shaped electrophotographic photoreceptor was used 50,000 times in an electrophotographic copying machine in an environment of 25°C. As a result, there were cracks at the joint, cracks and peeling of the photoconductive layer near the joint. In addition, there was no developer attached to the joints, no dirt was observed inside the machine, and the amount of discharged toner was also small.

発明の効果 本発明によれば、低温環境）において接合部の割れ、接
合部付近の光導電層の割れや剥離を生じることがなく、
また多数回のくり返し使用においても接合部の割れ、接
合部付近の光導を層の割れや剥離を生じることがＢい。Effects of the Invention According to the present invention, cracking of the bonded portion and cracking or peeling of the photoconductive layer near the bonded portion do not occur in low-temperature environments.
Furthermore, even after repeated use many times, cracking of the bonded portion and cracking or peeling of the light guide layer near the bonded portion may occur.

更に、接合部には現像剤が付着することはなく、機内汚
れを防止することができるとともに、排ト′　ナー楚も
少なく現像剤を有効に使用で肖る３、Furthermore, the developer does not adhere to the joints, which prevents the inside of the machine from getting dirty, and also reduces the waste of toner and allows the developer to be used more effectively.

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

第１図は本発明のベルト状１７子写に感光体における接
合部の図面を示す概略図− 第２図は本発明のベルトお゛電子写真感光体の全体を示
す概略図である、 】　・・・・・・・・・支持体 ２・・・・・・・・・導電層 ８・・・・・・・・・光導電性感光層 ４・・・・・・・・・接合部 ５・・・・・・・・・接合袖強樹〃（１Ｐ６・・・・・
・・・・接合部溝！Ｎ ７　・・・・−・・・・接地用電極FIG. 1 is a schematic diagram showing the joining part of the belt-shaped photoreceptor and photoreceptor of the present invention; FIG. 2 is a schematic diagram showing the entirety of the belt and electrophotographic photoreceptor of the present invention; ...... Support 2 ... Conductive layer 8 ... Photoconductive photosensitive layer 4 ... Joint part 5・・・・・・・・・Jointed Sode Tsuyoshi〃(1P6・・・・・・
...Joint groove! N7 ・・・・・・・・・Grounding electrode

Claims (1)

【特許請求の範囲】[Claims] 導電性支持体上に光導電層を設けてなる電子写真感光体
の両端を接合してなるベルト状電子写真感光体において
接合部に接合補強樹脂層を設け、更にその上に導電層を
設けたことを特徴とするベルト状電子写真感光体In a belt-shaped electrophotographic photoreceptor formed by bonding both ends of an electrophotographic photoreceptor comprising a photoconductive layer provided on a conductive support, a bond reinforcing resin layer is provided at the bonded portion, and a conductive layer is further provided thereon. A belt-shaped electrophotographic photoreceptor characterized by
JP59082267A 1984-04-24 1984-04-24 Belt-shaped electrophotographic photoreceptor Expired - Lifetime JPH0654393B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP59082267A JPH0654393B2 (en) 1984-04-24 1984-04-24 Belt-shaped electrophotographic photoreceptor
DE19853514809 DE3514809A1 (en) 1984-04-24 1985-04-24 ELECTROPHOTOGRAPHIC PHOTO LADDER IN THE FORM OF AN ENDLESS BAND
US06/726,620 US4758486A (en) 1984-04-24 1985-04-24 Endless belt shaped electrophotographic photoconductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59082267A JPH0654393B2 (en) 1984-04-24 1984-04-24 Belt-shaped electrophotographic photoreceptor

Publications (2)

Publication Number Publication Date
JPS60225872A true JPS60225872A (en) 1985-11-11
JPH0654393B2 JPH0654393B2 (en) 1994-07-20

Family

ID=13769702

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59082267A Expired - Lifetime JPH0654393B2 (en) 1984-04-24 1984-04-24 Belt-shaped electrophotographic photoreceptor

Country Status (1)

Country Link
JP (1) JPH0654393B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62298720A (en) * 1986-06-19 1987-12-25 Canon Inc Connecting belt

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625001U (en) * 1979-08-03 1981-03-07
JPS58114050A (en) * 1981-12-28 1983-07-07 Fuji Xerox Co Ltd Corona current adjusting device
JPS591073U (en) * 1982-06-21 1984-01-06 東レ株式会社 electrostatic image recording medium
JPS593442A (en) * 1982-06-29 1984-01-10 Fuji Xerox Co Ltd Photoreceptor of copying machine
JPS60112265U (en) * 1984-01-05 1985-07-30 株式会社　巴川製紙所 Belt-shaped photoreceptor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625001U (en) * 1979-08-03 1981-03-07
JPS58114050A (en) * 1981-12-28 1983-07-07 Fuji Xerox Co Ltd Corona current adjusting device
JPS591073U (en) * 1982-06-21 1984-01-06 東レ株式会社 electrostatic image recording medium
JPS593442A (en) * 1982-06-29 1984-01-10 Fuji Xerox Co Ltd Photoreceptor of copying machine
JPS60112265U (en) * 1984-01-05 1985-07-30 株式会社　巴川製紙所 Belt-shaped photoreceptor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62298720A (en) * 1986-06-19 1987-12-25 Canon Inc Connecting belt

Also Published As

Publication number Publication date
JPH0654393B2 (en) 1994-07-20

Similar Documents

Publication Publication Date Title
JPS62296177A (en) Liquid image transfer apparatus
JPH0365556B2 (en)
JP2002351176A (en) Image formable belt with joints containing hot melt treatable thermosetting resin and adhesive agent using conductive carbon filler among joint members of interlocking type
US2949849A (en) Stencil master making
JPS60225872A (en) Beltlike electrophotographic sensitive body
JPS6252867B2 (en)
JPS6126666B2 (en)
JPS59139074A (en) Peeler handing apparatus
JPH0535126A (en) Transfer material carrying member and image forming device using it
JPH0569217B2 (en)
JP2000347520A (en) Method and device for image forming
JP2835733B2 (en) Image recording device
JP3276699B2 (en) Image forming method and apparatus
JPH0667551A (en) Image forming device
JP2000029319A (en) Wet type electrophotographic device
JPS60188971A (en) Conductive path forming method
JPS61107280A (en) Electrostatic copying device
JPS6144310B2 (en)
JPS60249152A (en) Manufacture of endless belt type photosensitive body
JPS63214781A (en) Image forming device
JPH0328710B2 (en)
JPH10333422A (en) Developing roller, developing device and image forming device
JPS6028676A (en) Magnetic toner developing device
JPS5875181A (en) Preventing method for picture flow
JPS6355579A (en) Transfer and fixing device

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term