JP2001282044A - 電子写真感光体 - Google Patents

電子写真感光体

Info

Publication number
JP2001282044A
JP2001282044A JP2000097366A JP2000097366A JP2001282044A JP 2001282044 A JP2001282044 A JP 2001282044A JP 2000097366 A JP2000097366 A JP 2000097366A JP 2000097366 A JP2000097366 A JP 2000097366A JP 2001282044 A JP2001282044 A JP 2001282044A
Authority
JP
Japan
Prior art keywords
plastic
flange
open end
plastic flange
base
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.)
Pending
Application number
JP2000097366A
Other languages
English (en)
Inventor
Yoshitaro Nakayama
嘉太郎 中山
Jiro Fukazawa
二郎 深沢
Mitsuru Noro
満 野呂
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.)
Shindengen Electric Manufacturing Co Ltd
Yamanashi Electronics Co Ltd
Original Assignee
Shindengen Electric Manufacturing Co Ltd
Yamanashi Electronics 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 Shindengen Electric Manufacturing Co Ltd, Yamanashi Electronics Co Ltd filed Critical Shindengen Electric Manufacturing Co Ltd
Priority to JP2000097366A priority Critical patent/JP2001282044A/ja
Publication of JP2001282044A publication Critical patent/JP2001282044A/ja
Pending 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • 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
    • B29C66/01—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
    • B29C66/112—Single lapped 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
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1224—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a butt joint-segment
    • 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
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • 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
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
    • B29C66/2422—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical
    • B29C66/24221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical being circular
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/61—Joining from or joining on the inside
    • B29C66/612—Making circumferential 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
    • 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
    • B29C66/739—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 material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—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 material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—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 material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • 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
    • B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
    • B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
    • B29C66/30221—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined said melt initiators being point-like
    • 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
    • B29C66/71—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 composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
    • B29K2995/0005—Conductive
    • 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
    • B29L2031/32—Wheels, pinions, pulleys, castors or rollers, Rims
    • B29L2031/324—Rollers or cylinders having an axial length of several times the diameter, e.g. embossing, pressing or printing
    • B29L2031/326—Rollers or cylinders having an axial length of several times the diameter, e.g. embossing, pressing or printing made wholly of plastics
    • 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)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)

Abstract

(57)【要約】 【課題】 プラスチックからなる円筒状の導電性基体と
プラスチックフランジとの固着を、電子写真感光体の特
性に悪影響を及ぼす化学反応系接着剤や溶剤揮発系接着
剤の使用なしに行う。 【解決手段】 少なくとも一方に開放端を有するプラス
チックからなる円筒状の導電性基体の外周面に、感光層
を形成してなる電子写真感光体において、前記基体の少
なくとも一方の開放端部にプラスチックフランジを超音
波溶着することにより、両者の固着が強い電子写真感光
体を提供できる。

Description

【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、少なくとも一方に
開放端を有するプラスチックからなる円筒状の導電性基
体の外周面に、感光層を形成してなる電子写真感光体に
関する。
【０００２】
【従来の技術】従来、電子写真感光体の基体としては、
比較的機械加工性のよい、少なくとも一方に開放端を有
する円筒状のアルミニウムが多用されてきた。この円筒
状基体の外周面に感光層を設けてなる電子写真感光体に
ギア付きのフランジを装着し、電子写真感光体に回転駆
動力を伝達する。近年、電子写真感光体は小型化、軽量
化が図られ、少なくとも一方に開放端を有するプラスチ
ックからなる円筒状の導電性基体とともに、容易に成形
できるプラスチックフランジが使用される。基体の開放
端部へのプラスチックフランジの装着は、接着剤による
固着が一般的である。接着剤としては、化学反応系、溶
剤揮発系のものが使用されている（特開平８−２２７２
５０号公報参照）。
【０００３】
【発明が解決しようとする課題】前記のとおり、プラス
チックからなる円筒状の導電性基体とプラスチックフラ
ンジとの固着には、化学反応系接着剤や溶剤揮発系接着
剤が使用されるため、反応ガスの発生や溶剤の揮発が避
けられず、電子写真感光体の特性に悪影響を及ぼすこと
になる。反応ガスや揮発溶剤は、その異臭が作業者を悩
ませ、また、環境にも優しくない。そして、電子写真感
光体の開放端部に接着剤を均一に塗布するのに時間がか
かり、接着剤が電子写真感光体に垂れたり飛散したりす
る。さらに、接着剤が硬化して実用強度に達するには、
１２〜４８時間を要し、また、低温環境下では接着剤の
接着強度が常温時よりも２割程度落ちる。本発明は、こ
れらの問題点を解決しようとするものである。
【０００４】
【課題を解決するための手段】本発明は、少なくとも一
方に開放端を有するプラスチックからなる円筒状の導電
性基体の外周面に、感光層を形成してなる電子写真感光
体において、前記基体の少なくとも一方の開放端部にプ
ラスチックフランジを超音波溶着したことを特徴とする
電子写真感光体により前記課題を解決するものである。
溶着時間は、０．１〜１秒と、非常に短時間で済む。円
筒状の導電性基体の外周面に感光層を形成するのは、プ
ラスチックフランジを超音波溶着する前でもプラスチッ
クフランジを超音波溶着する後でも、いずれでもよい。
【０００５】本発明で使用するプラスチックとしては、
射出成形可能な熱可塑性樹脂が好ましい。特に、ポリカ
ーボネート（ＰＣ）、ポリエチレンテレフタレート（Ｐ
ＥＴ）、ポリアミド（ＰＡ）、ポリメタクリル酸メチル
（ＰＭＭＡ）等が好ましい。円筒状基体の表面抵抗は、
１０6Ω／ｃｍ2以下が好ましい。円筒状基体とプラスチ
ックフランジは、同一のプラスチックであることが望ま
しいが、異種材質であっても溶着は可能である。例え
ば、ＰＣとＡＢＳ、ＰＣとＰＭＭＡ、ＰＭＭＡとＡＳ、
ＰＭＭＡとＡＢＳ等の組合せが可能である。
【０００６】円筒状基体の開放端部に、その内径よりも
わずかに大きい外形寸法のプラスチックフランジを溶着
し、円筒状基体内径はプラスチックフランジ外径よりも
０〜１００μｍ小さいものが好ましい。
【０００７】超音波溶着機のホーンは縦振動で、ジュラ
ルミン系のものが使いやすく、発振周波数は１５〜３８
ＫＨｚ、ホーン振幅は５０〜１００μｍが好ましい。ま
た、超音波溶着ホーンの形状は、少なくともプラスチッ
クフランジの溶着部位円周上に接するようにドーナツ状
であることが好ましい。
【０００８】超音波溶着の強度は、超音波振動の大き
さ、発振時間、加圧力等を溶着対象物の素材に応じて調
整することにより選択できる。
【０００９】本発明においては、溶着部が基体のコーナ
ーとプラスチックフランジのテーパー面とからなるかあ
るいは基体のコーナーと三角リブとからなる電子写真感
光体が特に好ましい。以下、溶着部の形状について、図
１〜図３により詳細に説明する。図１及び図２はそれぞ
れ、プラスチックフランジの溶着部及び円筒状基体の溶
着部の例を示したものである。図１−１は、プラスチッ
クフランジで、溶着部は相手のプラスチック製円筒状基
体のコーナーと接する。円筒状基体の端部と接するフラ
ンジの面には、テーパー状のリブ２をつける。図１−２
は、同じくプラスチックフランジで、溶着部は相手のプ
ラスチック製円筒状基体のコーナーと接する。円筒状基
体の端部と接するフランジの面には、三角錐状又は頂点
欠如三角錐状のリブ（三角リブ３）をつける。これらの
図面には、独立したテーパーや三角錐を示したが、テー
パーや三角錐は独立せずに同心円状に連なっていてもよ
い。図２−１は円筒状基体で、コーナー５にインローを
つけてある。図２−２も円筒状基体であるが、インロー
をつけてない直角コーナー６をもつ。図３は、超音波溶
着の手順を示す。まずプラスチック製円筒状基体とプラ
スチックフランジとを同一直線状に配置する。プラスチ
ック製円筒状基体とプラスチックフランジとの嵌合寸法
は、φ３０で０〜１００μｍが好ましい。超音波ホーン
は、円筒状基体の上に置いたプラスチックフランジの上
方から押し当てる。この加圧力は、１５０ｋｇｆ以下、
好ましくは３０〜７０ｋｇｆにする。ピークパワーは、
２０００ワット以下、好ましくは７００ワット以下に
し、総エネルギー量は、１０００ジュール以下、好まし
くは２００ジュール以下にする。かくして、約０．１５
秒で実用強度に達した電子写真感光体を得ることができ
る。
【００１０】
【実施例】φ３０のＰＡ製円筒状基体の外周面に感光層
を形成してなる電子写真感光体の開放端部に、同じくＰ
Ａ製のフランジを載せ、超音波発振装置（超音波工業製
Ｐ１２１０）で押し付け溶着する。溶着条件は、ピーク
パワー６１３ワット、総エネルギー量６８ジュール、加
圧力４５ｋｇｆ、周波数２１ＫＨｚ、発振時間０．１５
秒である。実用強度に達した電子写真感光体を市販のＸ
ｅｒｏｘ社製Ｗｏｒｋ Ｃｅｎｔｒｅプロ６５７に搭載
し、連続印字試験を行った。Ａ４連続１００００枚印字
でも、フランジの脱落、ガタツキはなく、固着強度は十
分で、画像の不具合も発生しなかった。また低温環境下
でも、十分良好な印字画像が得られた。
【００１１】
【比較例】φ３０のＰＡ製円筒状基体の開放端部に、ポ
リアセタール製のフランジを載せ、接着剤（住友スリー
エム株式会社製ＤＰ−４６０オフホワイト）で押し付け
接着する。接着後２４時間経過して１０℃の低温環境下
で市販のＸｅｒｏｘ社製Ｗｏｒｋ Ｃｅｎｔｒｅプロ６
５７に搭載し、連続印字試験を行った。連続印字試験を
行ったところ、基体とプラスチックフランジの固着が実
用強度に達しておらず、Ａ４連続５０枚印字でフランジ
の空回転が生じ画像の不具合で印字ムラが発生した。
【００１２】
【発明の効果】本発明によると、少なくとも一方に開放
端を有するプラスチックからなる円筒状の導電性基体の
少なくとも一方の開放端部にプラスチックフランジを超
音波溶着することで、０．１〜１秒の短時間溶着で実用
強度が得られ、低温環境下でも接着強度が落ちないとい
う優れた効果がもたらされる。
【図面の簡単な説明】
【図１−１】テーパー状のリブをつけたプラスチックフ
ランジの断面図である。
【図１−２】三角錐状のリブをつけたプラスチックフラ
ンジの断面図である。
【図２−１】コーナーにインローをつけた円筒状基体の
断面図である。
【図２−２】インローをつけてない直角コーナーをもつ
円筒状基体の断面図である。
【図３】超音波溶着の手順を示す断面図である。
【符号の説明】
１ プラスチックフランジ ２ テーパー面 ３ 三角リブ ４ フランジ嵌合部 ５ インローがあるコーナー ６ 直角コーナー ７ プラスチック製円筒状基体 ８ 超音波ホーン ９ 超音波ホーンの凸部 １０ プラスチックフランジが溶着された電子写真感光
体
───────────────────────────────────────────────────── フロントページの続き (72)発明者 深沢 二郎 山梨県甲府市宮原町1014 山梨電子工業株 式会社内 (72)発明者 野呂 満 山梨県甲府市宮原町1014 山梨電子工業株 式会社内 Ｆターム(参考） 2H035 CA07 CB02 CB04

Claims (3)

    【特許請求の範囲】
  1. 【請求項１】 少なくとも一方に開放端を有するプラス
    チックからなる円筒状の導電性基体の外周面に、感光層
    を形成してなる電子写真感光体において、前記基体の少
    なくとも一方の開放端部にプラスチックフランジを超音
    波溶着したことを特徴とする電子写真感光体。
  2. 【請求項２】 プラスチックフランジを超音波溶着する
    ために、少なくともプラスチックフランジの溶着部位円
    周上に接するようにドーナツ状の凸部を有する形状の超
    音波溶着ホーンを使用したことを特徴とする、請求項１
    に記載の電子写真感光体。
  3. 【請求項３】 溶着部が基体のコーナーとプラスチック
    フランジのテーパー面とからなるかあるいは基体のコー
    ナーと三角リブとからなる、請求項１又は２に記載の電
    子写真感光体。
JP2000097366A 2000-03-31 2000-03-31 電子写真感光体 Pending JP2001282044A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000097366A JP2001282044A (ja) 2000-03-31 2000-03-31 電子写真感光体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000097366A JP2001282044A (ja) 2000-03-31 2000-03-31 電子写真感光体

Publications (1)

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ID=18611996

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002084407A1 (en) * 2001-04-12 2002-10-24 Bridgestone Corporation Production method for photosensitive drum-use substrate and photosensitive drum-use substrate

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63139727A (ja) * 1986-12-02 1988-06-11 Daicel Chem Ind Ltd 超音波溶着用ホ−ン
JPH08227250A (ja) * 1994-12-15 1996-09-03 Fuji Electric Co Ltd 電子写真用感光体
JPH09100828A (ja) * 1995-10-05 1997-04-15 Canon Inc 円筒部材と係合部材の結合方法及びその組立体及びプロセスカートリッジ
JPH1166811A (ja) * 1997-08-14 1999-03-09 Fuji Photo Film Co Ltd 磁気テープカートリッジ
JPH11143101A (ja) * 1997-11-10 1999-05-28 Bridgestone Corp 感光ドラム

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63139727A (ja) * 1986-12-02 1988-06-11 Daicel Chem Ind Ltd 超音波溶着用ホ−ン
JPH08227250A (ja) * 1994-12-15 1996-09-03 Fuji Electric Co Ltd 電子写真用感光体
JPH09100828A (ja) * 1995-10-05 1997-04-15 Canon Inc 円筒部材と係合部材の結合方法及びその組立体及びプロセスカートリッジ
JPH1166811A (ja) * 1997-08-14 1999-03-09 Fuji Photo Film Co Ltd 磁気テープカートリッジ
JPH11143101A (ja) * 1997-11-10 1999-05-28 Bridgestone Corp 感光ドラム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002084407A1 (en) * 2001-04-12 2002-10-24 Bridgestone Corporation Production method for photosensitive drum-use substrate and photosensitive drum-use substrate

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