JP2003320585A - Resin molding - Google Patents

Resin molding

Info

Publication number
JP2003320585A
JP2003320585A JP2002132041A JP2002132041A JP2003320585A JP 2003320585 A JP2003320585 A JP 2003320585A JP 2002132041 A JP2002132041 A JP 2002132041A JP 2002132041 A JP2002132041 A JP 2002132041A JP 2003320585 A JP2003320585 A JP 2003320585A
Authority
JP
Japan
Prior art keywords
resin
resin portion
laser light
body case
main body
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
JP2002132041A
Other languages
Japanese (ja)
Inventor
Takashi Yura
孝史 湯浦
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.)
Tokai Rika Co Ltd
Original Assignee
Tokai Rika 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 Tokai Rika Co Ltd filed Critical Tokai Rika Co Ltd
Priority to JP2002132041A priority Critical patent/JP2003320585A/en
Publication of JP2003320585A publication Critical patent/JP2003320585A/en
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
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1677—Laser beams making use of an absorber or impact modifier
    • B29C65/1683—Laser beams making use of an absorber or impact modifier coated on the article
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1629—Laser beams characterised by the way of heating the interface
    • B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
    • 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
    • B29C66/20—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
    • B29C66/2424—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 a closed polygonal chain
    • B29C66/24243—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 a closed polygonal chain forming a quadrilateral
    • B29C66/24244—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 a closed polygonal chain forming a quadrilateral forming a rectangle
    • 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
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
    • 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
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1603—Laser beams characterised by the type of electromagnetic radiation
    • B29C65/1606—Ultraviolet [UV] radiation, e.g. by ultraviolet excimer lasers
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1603—Laser beams characterised by the type of electromagnetic radiation
    • B29C65/1612—Infrared [IR] radiation, e.g. by infrared lasers
    • B29C65/1616—Near infrared radiation [NIR], e.g. by YAG lasers
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1629—Laser beams characterised by the way of heating the interface
    • B29C65/1664—Laser beams characterised by the way of heating the interface making use of several radiators
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1677—Laser beams making use of an absorber or impact modifier
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1687—Laser beams making use of light guides
    • 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
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3431—Telephones, Earphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • Laser Beam Processing (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a resin molding capable of improving flexibility in appearance design even when a plurality of members are used. <P>SOLUTION: In the resin molding, a resin case 12 is provided with a main body case 31 and a cap member 32. The main body case 31 comprises a first resin section 33 transmitting through a laser beam L2 and a second resin section 34 absorbing the laser beam L2. The cap member 32 comprises the first resin section 33. The main body case 31 and the cap member 32 are mutually-welded by irradiating the laser beam L2 from the first resin section 33 side under the condition that the second resin section 34 composing the main body case 31 and the first resin section 33 composing the cap member 32 are overlapped each other. Additionally the first resin section 33 is exposed across an entire designing surface 35, 36 of both the main body case 31 and the cap member 32. <P>COPYRIGHT: (C)2004,JPO

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【発明の属する技術分野】本発明は、レーザ光を照射し
て樹脂部材同士を溶着させることによって形成された樹
脂成形品に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a resin molded product formed by irradiating a laser beam to weld resin members together.

【０００２】[0002]

【従来の技術】従来、樹脂部材同士を接合して樹脂成形
品を形成する方法は、熱を加えて溶着する物理的接合、
接着剤等を用いて接着する化学的接合に分類され、レー
ザ光を用いて溶着するレーザ溶着は物理的接合に分類さ
れる。2. Description of the Related Art Conventionally, a method of joining resin members to form a resin molded article is a physical joining method in which heat is applied to weld the members.
It is classified into chemical bonding that is adhered using an adhesive or the like, and laser welding that is welded using laser light is classified into physical bonding.

【０００３】例えば図９に示すように、レーザ溶着は、
レーザ光Ｌ１を透過する樹脂部材６１と、レーザ光Ｌ１
を吸収する樹脂部材６２とを重ね合わせて接合させる方
法である。詳しくは、レーザ光Ｌ１を透過する樹脂部材
６１側からレーザ光Ｌ１を照射して、両樹脂部材６１，
６２をレーザ光Ｌ１のエネルギで溶融させ接合する方法
である。Laser welding, for example, as shown in FIG.
A resin member 61 that transmits the laser light L1, and a laser light L1
This is a method of overlapping and joining the resin member 62 that absorbs. Specifically, by irradiating the laser light L1 from the side of the resin member 61 that transmits the laser light L1, both resin members 61,
This is a method of melting and joining 62 with the energy of the laser beam L1.

【０００４】[0004]

【発明が解決しようとする課題】ところで、近年、ユー
ザのニーズの多様化に伴い、樹脂成形品の外観意匠に自
由度を持たせたいという要望がある。その一つとして、
樹脂成形品に様々な色のものを用意しておくことが求め
られている。By the way, in recent years, with the diversification of needs of users, there is a demand for flexibility in appearance design of resin molded products. As one of them,
It is required to prepare resin molded products of various colors.

【０００５】しかしながら、レーザ溶着によって樹脂成
形品を形成するためには、樹脂部材６１，６２を着色す
るための染料、顔料として、レーザ光Ｌ１を透過するも
のとレーザ光Ｌ１を吸収するものとの２種類を用意して
おかなければならない。しかも、見た目の違和感を生じ
させないようにするために、樹脂部材６１，６２を着色
する染料、顔料にそれぞれ同色のものを用いたいという
要望がある。その結果、使用できる染料、顔料に限界が
生じ、外観意匠の自由度が小さくなってしまう。現状で
は、使用できる染料、顔料は黒色を除き殆どないため、
黒以外の樹脂成形品を形成することが困難である。However, in order to form a resin molded product by laser welding, as the dyes and pigments for coloring the resin members 61 and 62, one that transmits the laser light L1 and one that absorbs the laser light L1 are used. You have to prepare two types. In addition, there is a demand for using dyes and pigments of the same color for coloring the resin members 61 and 62, respectively, in order to prevent the appearance of discomfort. As a result, the dyes and pigments that can be used are limited, and the degree of freedom in appearance design is reduced. Currently, there are almost no dyes and pigments that can be used except black,
It is difficult to form a resin molded product other than black.

【０００６】本発明は、このような従来技術に存在する
問題点に着目してなされたものである。その目的は、複
数の部材を用いる場合でも外観意匠の自由度を向上させ
ることができる樹脂成形品を提供することにある。The present invention has been made by paying attention to the problems existing in such conventional techniques. It is an object of the present invention to provide a resin molded product that can improve the degree of freedom in appearance design even when using a plurality of members.

【０００７】[0007]

【課題を解決するための手段】上記目的を達成するため
に、請求項１に記載の発明は、レーザ光を透過する第１
樹脂部と、レーザ光を吸収する第２樹脂部とからなる樹
脂成形品において、前記第１及び第２樹脂部からなる第
１部材と、前記第１または第２樹脂部からなる第２部材
とを備え、一方の部材を構成する第１樹脂部と他方の部
材を構成する第２樹脂部とを重ね合わせた状態で、前記
第１樹脂部側からレーザ光を照射して前記第１部材と前
記第２部材とを互いに溶着させるとともに、前記第１及
び第２部材の意匠面全体に前記第１及び第２樹脂部のい
ずれかを露出させたことを要旨とする。In order to achieve the above object, the invention according to claim 1 is the first aspect of transmitting a laser beam.
A resin molded article including a resin portion and a second resin portion that absorbs laser light, a first member including the first and second resin portions, and a second member including the first or second resin portion. And irradiating a laser beam from the first resin portion side in a state where the first resin portion forming one member and the second resin portion forming the other member are overlapped with each other. The gist is that the second member is welded to each other and at least one of the first and second resin portions is exposed on the entire design surface of the first and second members.

【０００８】この発明においては、レーザ光を透過する
第１樹脂部とレーザ光を吸収する第２樹脂部とを重ね合
わせた部分が、第１部材と第２部材との接合部分として
設定されている。よって、第１及び第２部材の意匠面全
体においては、第１及び第２樹脂部のどちらでも露出さ
せることができる。すなわち、第１及び第２部材の意匠
面に露出した樹脂部に、レーザ光を透過するか吸収する
かを気にすることなく様々なものを用いることができ
る。ゆえに、複数の部材を用いる場合でも、樹脂成形品
の外観意匠の自由度を向上させることができる。In the present invention, the portion where the first resin portion that transmits the laser light and the second resin portion that absorbs the laser light are overlapped with each other is set as the joint portion between the first member and the second member. There is. Therefore, in the entire design surface of the first and second members, both the first and second resin portions can be exposed. That is, various resin portions can be used as the resin portions exposed on the design surfaces of the first and second members without worrying about whether to transmit or absorb the laser light. Therefore, even when using a plurality of members, it is possible to improve the degree of freedom in the appearance design of the resin molded product.

【０００９】請求項２に記載の発明は、請求項１に記載
の発明において、前記第１部材は、前記第１樹脂部と前
記第２樹脂部とを一体成形することによって構成されて
いることを要旨とする。According to a second aspect of the invention, in the first aspect of the invention, the first member is formed by integrally molding the first resin portion and the second resin portion. Is the gist.

【００１０】この発明においては、第１部材を構成する
第１樹脂部及び第２樹脂部は一体成形、例えば、２色成
形あるいはインサート成形されるため、第１部材を構成
する部品は一つのみになる。すなわち、樹脂成形品を構
成する部品点数が削減されるため、樹脂成形品の形成時
にレーザ光を照射して溶着させる工数も少なくなる。よ
って、樹脂成形品の形成が容易になる。In the present invention, the first resin portion and the second resin portion forming the first member are integrally molded, for example, two-color molded or insert molded, so that only one part constitutes the first member. become. That is, since the number of parts constituting the resin molded product is reduced, the number of man-hours for irradiating the laser beam and welding the resin molded product is reduced. Therefore, the resin molded product can be easily formed.

【００１１】請求項３に記載の発明は、レーザ光を透過
する第１樹脂部と、レーザ光を吸収する第２樹脂部と、
前記第１及び第２樹脂部とは別の第３樹脂部とからなる
樹脂成形品において、前記第１または第２樹脂部と、前
記第３樹脂部とからなる第１部材及び第２部材を備え、
一方の部材を構成する第１樹脂部と他方の部材を構成す
る第２樹脂部とを重ね合わせた状態で、前記第１樹脂部
側からレーザ光を照射して前記第１部材と前記第２部材
とを互いに溶着させるとともに、前記第１及び第２部材
の意匠面全体に前記第３樹脂部を露出させたことを要旨
とする。According to a third aspect of the present invention, a first resin portion that transmits the laser light and a second resin portion that absorbs the laser light are provided.
In a resin molded product including a third resin portion different from the first and second resin portions, a first member and a second member including the first or second resin portion and the third resin portion are provided. Prepare,
In a state in which the first resin portion forming one member and the second resin portion forming the other member are overlapped with each other, the first resin portion and the second member are irradiated with laser light from the first resin portion side. The gist is that the member is welded to each other and the third resin portion is exposed on the entire design surface of the first and second members.

【００１２】この発明においては、レーザ光を透過する
第１樹脂部とレーザ光を吸収する第２樹脂部とを重ね合
わせた部分が、第１部材と第２部材との接合部分として
設定されているため、第１及び第２部材の意匠面全体に
第３樹脂部を露出させても問題はない。すなわち、第１
及び第２部材の意匠面に露出した第３樹脂部に、レーザ
光を透過するか吸収するかを気にすることなく様々なも
のを用いることができる。ゆえに、樹脂成形品の外観意
匠の自由度を向上させることができる。In the present invention, the portion where the first resin portion that transmits the laser light and the second resin portion that absorbs the laser light are overlapped is set as the joint portion between the first member and the second member. Therefore, there is no problem even if the third resin portion is exposed on the entire design surface of the first and second members. That is, the first
Also, various materials can be used for the third resin portion exposed on the design surface of the second member without worrying about whether the laser light is transmitted or absorbed. Therefore, it is possible to improve the degree of freedom in appearance design of the resin molded product.

【００１３】請求項４に記載の発明は、レーザ光を透過
する第１樹脂部と、レーザ光を吸収する第２樹脂部とか
らなる樹脂成形品において、前記第１及び第２樹脂部の
いずれか一方からなる第１部材と、前記第１部材と同一
の樹脂部とからなる第２部材と、前記第１及び第２樹脂
部の他方からなる接続部材とを備え、前記第１部材と前
記接続部材とを重ね合わせた状態で、前記第１樹脂部側
からレーザ光を照射して前記第１部材と前記接続部材と
を互いに溶着させるとともに、前記第２部材と前記接続
部材とを重ね合わせた状態で、前記第１樹脂部側からレ
ーザ光を照射して前記第２部材と前記接続部材とを互い
に溶着させることにより、前記第１部材と前記第２部材
とを接続させるとともに、前記第１部材及び前記第２部
材の意匠面全体に前記第１及び第２樹脂部のいずれかを
露出させたことを要旨とする。According to a fourth aspect of the present invention, in a resin molded product including a first resin portion that transmits laser light and a second resin portion that absorbs laser light, either the first resin portion or the second resin portion is provided. A first member made of one of the two, a second member made of the same resin portion as the first member, and a connecting member made of the other of the first and second resin portions, In a state where the connecting member is superposed, laser light is irradiated from the first resin portion side to weld the first member and the connecting member to each other, and the second member and the connecting member are superposed on each other. In this state, the first member and the second member are connected to each other by irradiating the second member and the connecting member with a laser beam from the first resin portion side to connect the first member and the second member to each other. On the entire design surface of the one member and the second member And summarized in that the exposed one of the serial first and second resin portion.

【００１４】この発明においては、第１及び第２樹脂部
のいずれか一方からなる第１及び第２部材は、第１及び
第２樹脂部の他方からなる接続部材を溶着させることに
よって互いに接続されるため、予め第１樹脂部と第２樹
脂部とを一体成形して第１または第２部材を形成してお
かなくてもよい。ゆえに、コストが高い一体成形用の金
型を製作しなくても済む。よって、樹脂成形品を形成す
るのに必要なコストを低減させることができる。In the present invention, the first and second members made of either the first or second resin portion are connected to each other by welding the connecting member made of the other of the first and second resin portions. Therefore, it is not necessary to integrally form the first resin portion and the second resin portion in advance to form the first or second member. Therefore, it is not necessary to manufacture a die for integral molding, which is expensive. Therefore, the cost required to form the resin molded product can be reduced.

【００１５】[0015]

【発明の実施の形態】（第１実施形態）以下、本発明を
具体化した、複数の部品を組み合わせ、溶着させること
で構成される樹脂成形品の第１実施形態を、図１〜図３
に従って説明する。BEST MODE FOR CARRYING OUT THE INVENTION (First Embodiment) A first embodiment of a resin molded product embodying the present invention, which is constituted by combining and welding a plurality of parts, will be described below with reference to FIGS.
Follow the instructions below.

【００１６】図１に示すように、樹脂成形容器１１は樹
脂成形品としての樹脂ケース１２を備えている。図２に
示すように、樹脂ケース１２は、レーザ装置２１による
レーザ溶着によって形成されている。レーザ装置２１
は、レーザ発生装置２２により発生したレーザ光を光フ
ァイバ２３を用いてレーザ集光レンズ２４に伝達し、こ
のレーザ集光レンズ２４から樹脂ケース１２にレーザ光
Ｌ２を照射する。なお、レーザ光を、光ファイバ２３を
用いずに直接レーザ集光レンズ２４に伝達させてもよ
い。As shown in FIG. 1, the resin molded container 11 has a resin case 12 as a resin molded product. As shown in FIG. 2, the resin case 12 is formed by laser welding by the laser device 21. Laser device 21
Transmits the laser light generated by the laser generator 22 to the laser condenser lens 24 using the optical fiber 23, and irradiates the resin case 12 with the laser light L2 from the laser condenser lens 24. The laser light may be directly transmitted to the laser condenser lens 24 without using the optical fiber 23.

【００１７】なお、レーザ溶着に用いられるレーザ光Ｌ
２としては、イットリウムアルミニウムガーネットレー
ザ（ＹＡＧレーザ）、ガラスレーザ、ルビーレーザ、ヘ
リウムネオンガスレーザ、アルゴンレーザ及び半導体レ
ーザ等が挙げられる。レーザ光Ｌ２の波長は、０．７０
〜１．５０μｍの範囲に設定されることが望ましい。波
長が１．５０μｍを超えるとレーザ溶着が困難になるか
らである。Laser light L used for laser welding
Examples of 2 include yttrium aluminum garnet laser (YAG laser), glass laser, ruby laser, helium neon gas laser, argon laser and semiconductor laser. The wavelength of the laser beam L2 is 0.70
It is desirable to set in the range of ˜1.50 μm. This is because laser welding becomes difficult when the wavelength exceeds 1.50 μm.

【００１８】図２，図３に示すように、樹脂ケース１２
は、略箱状をなす第１部材としての本体ケース３１の開
口部３１ａを、略板状をなす第２部材としての蓋部材３
２で塞いだ状態でレーザ溶着させることによって形成さ
れている。本体ケース３１は、第１樹脂部３３及び第２
樹脂部３４を２色成形することによって形成されてい
る。蓋部材３２は第１樹脂部３３によって形成されてお
り、その外周部分は本体ケース３１のフランジ部３１ｂ
に重なるように配置されている。この状態においてレー
ザ光Ｌ２を照射することにより、第１樹脂部３３と第２
樹脂部３４とが溶着され、本体ケース３１と蓋部材３２
とが互いに接合される。このとき、本体ケース３１の意
匠面３５と蓋部材３２の意匠面３６とが面一になる。As shown in FIGS. 2 and 3, the resin case 12
Is an opening 31a of the main body case 31 as a first member having a substantially box shape, and a lid member 3 as a second member having a substantially plate shape.
It is formed by laser welding in a state of being blocked by 2. The body case 31 includes the first resin portion 33 and the second resin portion 33.
It is formed by molding the resin portion 34 in two colors. The lid member 32 is formed by the first resin portion 33, and the outer peripheral portion thereof is the flange portion 31 b of the body case 31.
It is arranged so as to overlap. By irradiating the laser beam L2 in this state, the first resin portion 33 and the second resin portion 33
The resin portion 34 is welded to the main body case 31 and the lid member 32.
And are joined together. At this time, the design surface 35 of the main body case 31 and the design surface 36 of the lid member 32 are flush with each other.

【００１９】第１樹脂部３３は、本体ケース３１及び蓋
部材３２の意匠面３５，３６全体に露出している。第１
樹脂部３３は、染料、顔料により着色された樹脂材料か
らなり、照射されるレーザ光Ｌ２の透過率が７０％以上
であることが望ましい。第１樹脂部３３に対するレーザ
光Ｌ２の透過率が７０％未満であると、第２樹脂部３４
との溶着は可能であるが、蓋部材３２の意匠面３６にレ
ーザ溶着による跡が現われる場合があるからである。そ
のため、レーザ集光レンズ２４からレーザ光Ｌ２が照射
されたとき、レーザ光Ｌ２は第１樹脂部３３に影響を与
えることなく第１樹脂部３３を透過する。The first resin portion 33 is exposed on the entire design surfaces 35 and 36 of the body case 31 and the lid member 32. First
The resin portion 33 is made of a resin material colored with a dye or a pigment, and it is desirable that the transmittance of the irradiated laser beam L2 is 70% or more. When the transmittance of the laser light L2 to the first resin portion 33 is less than 70%, the second resin portion 34
This is because although the welding can be performed with, the trace due to the laser welding may appear on the design surface 36 of the lid member 32. Therefore, when the laser beam L2 is emitted from the laser condenser lens 24, the laser beam L2 passes through the first resin portion 33 without affecting the first resin portion 33.

【００２０】第１樹脂部３３を形成する樹脂材料として
は、例えば、ポリアミド、ポリエチレン、ポリカーボネ
ート、ＡＢＳ（アクリロニトリル・ブタジエン・スチレ
ン共重合体）、ポリプロピレン、スチレン−アクリロニ
トリル共重合体等の熱可塑性樹脂が挙げられる。Examples of the resin material forming the first resin portion 33 include thermoplastic resins such as polyamide, polyethylene, polycarbonate, ABS (acrylonitrile-butadiene-styrene copolymer), polypropylene, and styrene-acrylonitrile copolymer. Can be mentioned.

【００２１】第１樹脂部３３を着色する染料、顔料は、
レーザ光Ｌ２に対して十分な吸収性を示さない透過性を
示すものであればよい。詳しくは、着色される樹脂材料
や染料、顔料の色により異なるが、例えば、アンスラキ
ノン系、ペリレン系、ペリノン系、複素環系、ジアゾ
系、モノアゾ系等の染料を挙げることができる。また、
これらの染料を混合させて用いてもよい。Dyes and pigments for coloring the first resin portion 33 are
Any material may be used as long as it has a transmittance that does not sufficiently absorb the laser light L2. Specifically, it depends on the resin material to be colored, the dye, and the color of the pigment, but examples thereof include anthraquinone-based, perylene-based, perinone-based, heterocyclic-based, diazo-based, and monoazo-based dyes. Also,
You may mix and use these dyes.

【００２２】ここで、「吸収性」とは、レーザ光Ｌ２を
受けた部分がレーザ光Ｌ２を吸収し、その部分が溶融す
るような性質をいう。それに対して、「透過性」とは、
レーザ光Ｌ２を受けた部分がレーザ光Ｌ２を透過し、そ
の部分が溶融しないような性質をいう。Here, "absorptive" refers to a property that a portion receiving the laser light L2 absorbs the laser light L2 and the portion melts. On the other hand, “transparency” means
The property is such that the portion that receives the laser beam L2 transmits the laser beam L2 and that portion does not melt.

【００２３】また、第２樹脂部３４は、本体ケース３１
のフランジ部３１ｂを形成しており、その上面には前記
蓋部材３２の第１樹脂部３３が配置されている。第２樹
脂部３４は、カーボンブラック等の補助材で黒色に着色
した樹脂材料からなり、照射されるレーザ光Ｌ２の透過
率が５％以下であることが望ましい。透過率が５％より
大きくなると、照射されたレーザ光Ｌ２が透過すること
により、第２樹脂部３４に吸収されるレーザ光Ｌ２のエ
ネルギが減少してエネルギ損失を生じるからである。そ
のため、蓋部材３２の第１樹脂部３３側からレーザ光Ｌ
２が照射されたとき、フランジ部３１ｂはレーザ光Ｌ２
の吸収によって溶融される。第２樹脂部３４を形成する
樹脂材料は、第１樹脂部３３を形成する樹脂材料と同一
のものが用いられている。The second resin portion 34 is formed in the main body case 31.
The flange portion 31b is formed, and the first resin portion 33 of the lid member 32 is arranged on the upper surface thereof. The second resin portion 34 is made of a resin material colored black with an auxiliary material such as carbon black, and the transmittance of the irradiated laser beam L2 is preferably 5% or less. This is because when the transmittance becomes higher than 5%, the energy of the laser light L2 absorbed by the second resin portion 34 decreases due to the irradiation of the irradiated laser light L2, which causes energy loss. Therefore, the laser light L is emitted from the first resin portion 33 side of the lid member 32.
2 is irradiated, the flange portion 31b emits the laser light L2.
Is melted by absorption of. The resin material forming the second resin portion 34 is the same as the resin material forming the first resin portion 33.

【００２４】次に、レーザ溶着によって樹脂ケース１２
を形成する方法を説明する。まず、本体ケース３１のフ
ランジ部３１ｂを構成する第２樹脂部３４と蓋部材３２
を構成する第１樹脂部３３とを重ね合わせた状態で、図
２に示すレーザ装置２１に配置する。この状態におい
て、第１樹脂部３３と第２樹脂部３４とを重ね合わせた
部分に、レーザ装置２１のレーザ集光レンズ２４からレ
ーザ光Ｌ２を照射する。Next, the resin case 12 is formed by laser welding.
A method of forming the will be described. First, the second resin portion 34 and the lid member 32 forming the flange portion 31b of the main body case 31.
It is arranged in the laser device 21 shown in FIG. In this state, the portion where the first resin portion 33 and the second resin portion 34 are overlapped is irradiated with the laser beam L2 from the laser condenser lens 24 of the laser device 21.

【００２５】このとき、レーザ光Ｌ２は、蓋部材３２の
第１樹脂部３３を透過する。その後、第１樹脂部３３を
透過したレーザ光Ｌ２は、フランジ部３１ｂの第２樹脂
部３４との当接面に到達し、エネルギとして第２樹脂部
３４に吸収される。そして、第２樹脂部３４と第１樹脂
部３３との当接部分は、第２樹脂部３４に吸収されたエ
ネルギによって溶融され、冷却することによって溶着さ
れる。その結果、本体ケース３１に蓋部材３２が接合さ
れて樹脂ケース１２が形成される。At this time, the laser beam L2 passes through the first resin portion 33 of the lid member 32. After that, the laser beam L2 that has passed through the first resin portion 33 reaches the contact surface of the flange portion 31b with the second resin portion 34, and is absorbed by the second resin portion 34 as energy. Then, the contact portion between the second resin portion 34 and the first resin portion 33 is melted by the energy absorbed in the second resin portion 34 and is welded by cooling. As a result, the lid member 32 is joined to the main body case 31 to form the resin case 12.

【００２６】したがって、この第１実施形態によれば、
以下のような効果を得ることができる。 （１）レーザ光Ｌ２を透過する第１樹脂部３３とレーザ
光Ｌ２を吸収する第２樹脂部３４とを重ね合わせた部分
が、本体ケース３１のフランジ部３１ｂと蓋部材３２と
の接合部分として設定されている。よって、樹脂ケース
１２における他の部分においては、レーザ光Ｌ２を透過
するか吸収するかを気にすることなく様々な樹脂材料、
染料及び顔料を選定することができる。例えば、本体ケ
ース３１及び蓋部材３２の意匠面３５，３６全体に第１
樹脂部３３を露出させることができる。ゆえに、複数の
部材（本体ケース３１及び蓋部材３２）を用いる場合で
も、樹脂ケース１２の外観意匠の自由度を向上させるこ
とができる。例えば、本体ケース３１と蓋部材３２とを
黒色以外で同色に着色したりすることができる。Therefore, according to this first embodiment,
The following effects can be obtained. (1) A portion in which the first resin portion 33 that transmits the laser light L2 and the second resin portion 34 that absorbs the laser light L2 are overlapped is a joint portion between the flange portion 31b of the main body case 31 and the lid member 32. It is set. Therefore, in other portions of the resin case 12, various resin materials can be used without worrying about whether the laser beam L2 is transmitted or absorbed.
Dyes and pigments can be selected. For example, the entire design surfaces 35 and 36 of the main body case 31 and the lid member 32 are first
The resin portion 33 can be exposed. Therefore, even when a plurality of members (the main body case 31 and the lid member 32) are used, it is possible to improve the degree of freedom in the appearance design of the resin case 12. For example, the main body case 31 and the lid member 32 can be colored in the same color other than black.

【００２７】（２）本体ケース３１を構成する第１樹脂
部３３及び第２樹脂部３４は２色成形されるため、本体
ケース３１を構成する部品は一つのみになる。すなわ
ち、樹脂ケース１２を構成する部品点数が削減されるた
め、樹脂ケース１２の形成時にレーザ光Ｌ２を照射して
溶着させる工数も少なくて済む。よって、樹脂ケース１
２の形成が容易になる。(2) Since the first resin portion 33 and the second resin portion 34 constituting the main body case 31 are molded in two colors, the main body case 31 has only one component. That is, since the number of parts forming the resin case 12 is reduced, the number of steps for irradiating the laser beam L2 and welding the resin case 12 can be reduced. Therefore, the resin case 1
The formation of 2 becomes easy.

【００２８】（３）本体ケース３１及び蓋部材３２の意
匠面３５，３６全体に第１樹脂部３３が露出している。
レーザ溶着は、レーザ光Ｌ２を第１樹脂部３３を透過さ
せて第２樹脂部３４に吸収させることによって行われる
ものであり、第１樹脂部３３が蓋部材３２を形成すると
ともに第２樹脂部３４が本体ケース３１のフランジ部３
１ｂを形成している。そのため、レーザ集光レンズ２４
を樹脂ケース１２内に配置したりする必要がない。ゆえ
に、レーザ溶着による樹脂ケース１２の形成が容易にな
る。(3) The first resin portion 33 is exposed on the entire design surfaces 35 and 36 of the main body case 31 and the lid member 32.
The laser welding is performed by transmitting the laser beam L2 through the first resin portion 33 and absorbing the laser light L2 in the second resin portion 34, and the first resin portion 33 forms the lid member 32 and the second resin portion. 34 is the flange portion 3 of the main body case 31
1b is formed. Therefore, the laser condenser lens 24
Need not be placed in the resin case 12. Therefore, the resin case 12 can be easily formed by laser welding.

【００２９】（第２実施形態）以下、本発明の第２実施
形態を図４に従って説明する。なお、第２実施形態にお
いて第１実施形態と同様の部分についてはその詳細な説
明を省略する。(Second Embodiment) A second embodiment of the present invention will be described below with reference to FIG. In the second embodiment, the detailed description of the same parts as those in the first embodiment will be omitted.

【００３０】図４に示すように、樹脂ケース１２は、本
体ケース３１及び蓋部材３２に加え、これらとは別部材
によって板状に形成された接続部材４１を備えている。
本体ケース３１及び蓋部材３２は第１樹脂部３３によっ
て形成されており、接続部材４１は第２樹脂部３４によ
って形成されている。本体ケース３１の開口部３１ａ近
傍の部分及び蓋部材３２の外周部分は、それぞれ接続部
材４１上に重なるように配置されている。接続部材４１
は、本体ケース３１及び蓋部材３２において意匠面３
５，３６の裏側の面に当接している。この実施形態で
は、まず接続部材４１と本体ケース３１とをクランプ装
置によって挟持してレーザ溶着した後、接続部材４１上
に蓋部材３２を重ね合わせた状態でレーザ溶着を行う。
よって、本体ケース３１と蓋部材３２とが接続部材４１
を介して互いに接合されることにより、樹脂ケース１２
が形成される。As shown in FIG. 4, the resin case 12 includes a main body case 31 and a lid member 32, and a connecting member 41 formed in a plate shape by a member different from these members.
The body case 31 and the lid member 32 are formed by the first resin portion 33, and the connection member 41 is formed by the second resin portion 34. A portion near the opening 31 a of the main body case 31 and an outer peripheral portion of the lid member 32 are arranged so as to overlap with the connecting member 41. Connection member 41
Is the design surface 3 of the body case 31 and the lid member 32.
It is in contact with the back side surface of 5, 36. In this embodiment, first, the connection member 41 and the main body case 31 are sandwiched by a clamp device and laser-welded, and then the laser welding is performed in a state where the lid member 32 is superposed on the connection member 41.
Therefore, the main body case 31 and the lid member 32 are connected to each other by the connecting member 41.
By being joined to each other via the resin case 12
Is formed.

【００３１】したがって、この第２実施形態によれば、
以下のような効果を得ることができる。 （４）第１樹脂部３３からなる本体ケース３１及び蓋部
材３２は、第２樹脂部３４からなる接続部材４１を溶着
させることによって互いに接続されるため、予め第１樹
脂部３３と第２樹脂部３４とを一体成形して本体ケース
３１または蓋部材３２を形成しておかなくてもよい。ゆ
えに、コストが高い一体成形用の金型を製作しなくても
済む。よって、樹脂ケース１２を形成するのに必要なコ
ストを低減させることができる。Therefore, according to this second embodiment,
The following effects can be obtained. (4) Since the main body case 31 and the lid member 32 made of the first resin portion 33 are connected to each other by welding the connection member 41 made of the second resin portion 34, the first resin portion 33 and the second resin portion 33 are preliminarily connected. The body case 31 or the lid member 32 may not be formed by integrally molding the portion 34. Therefore, it is not necessary to manufacture a die for integral molding, which is expensive. Therefore, the cost required to form the resin case 12 can be reduced.

【００３２】（５）接続部材４１と本体ケース３１とを
クランプ装置によって挟持してレーザ溶着した後、接続
部材４１上に蓋部材３２を重ね合わせた状態でレーザ溶
着を行うことによって樹脂ケース１２を形成すればよ
い。そのため、第１樹脂部３３及び第２樹脂部３４を一
体成形して本体ケース３１または蓋部材３２を形成する
場合のように、本体ケース３１及び蓋部材３２の精度を
厳密に管理しなくてもよい。ゆえに、本体ケース３１の
意匠面３５と蓋部材３２の意匠面３６とを容易に面一に
できるため、樹脂ケース１２の形成が容易になる。(5) After the connection member 41 and the main body case 31 are clamped by a clamp device and laser-welded, the resin case 12 is fixed by laser welding with the lid member 32 placed on the connection member 41. It may be formed. Therefore, unlike the case where the first resin portion 33 and the second resin portion 34 are integrally molded to form the body case 31 or the lid member 32, the precision of the body case 31 and the lid member 32 does not have to be strictly controlled. Good. Therefore, the design surface 35 of the main body case 31 and the design surface 36 of the lid member 32 can easily be made flush with each other, so that the resin case 12 can be easily formed.

【００３３】なお、前記第１及び第２実施形態は以下の
ように変更してもよい。 ・前記第１実施形態において、図５に示すように、本体
ケース３１が樹脂ケース１２の厚さ方向において図１に
示す仮想線Ｘ１に沿って分割された状態で、本体ケース
３１の一方の部材においてフランジ部３１ｂを形成する
第１樹脂部３３と、蓋部材３２を形成する第２樹脂部３
４とを重ね合わせてもよい。そして、レーザ光Ｌ２を第
１樹脂部３３側から照射することにより本体ケース３１
と蓋部材３２とを接合し、本体ケース３１を構成する一
方の部材に他方の部材を接合することにより樹脂ケース
１２を形成してもよい。それとともに、本体ケース３１
及び蓋部材３２の意匠面３５，３６全体に第２樹脂部３
４を露出させるようにしてもよい。なお、第１樹脂部３
３は、染料、顔料によって着色されていないナチュラル
色であってもよい。The first and second embodiments may be modified as follows. In the first embodiment, as shown in FIG. 5, one member of the main body case 31 in a state where the main body case 31 is divided along the imaginary line X1 shown in FIG. 1 in the thickness direction of the resin case 12. The first resin portion 33 forming the flange portion 31b and the second resin portion 3 forming the lid member 32 in
4 and 4 may be overlapped. Then, by irradiating the laser beam L2 from the first resin portion 33 side, the main body case 31
The resin case 12 may be formed by joining the lid member 32 and the lid member 32 together, and joining the other member to one member constituting the main body case 31. Along with that, the body case 31
And the second resin portion 3 on the entire design surfaces 35, 36 of the lid member 32.
4 may be exposed. The first resin portion 3
3 may be a natural color that is not colored with a dye or pigment.

【００３４】・前記第１実施形態において、図６に示す
ように、本体ケース３１を第２部材として形成し、蓋部
材３２を第１部材として形成してもよい。そして、本体
ケース３１が樹脂ケース１２の厚さ方向において図１に
示す仮想線Ｘ１に沿って２つに分割された状態で、本体
ケース３１を構成する一方の部材においてフランジ部３
１ｂを形成する第１樹脂部３３と、蓋部材３２の下面に
おける外周部分を形成する第２樹脂部３４とを重ね合わ
せてもよい。この状態において、レーザ光Ｌ２を第１樹
脂部３３側から照射することにより本体ケース３１と蓋
部材３２とを接合し、本体ケース３１を構成する一方の
部材に他方の部材を接合することにより樹脂ケース１２
を形成してもよい。それとともに、本体ケース３１及び
蓋部材３２の意匠面３５，３６全体に第１樹脂部３３を
露出させるようにしてもよい。なお、第２樹脂部３４
は、蓋部材３２の下面全体に形成されていてもよい。In the first embodiment, as shown in FIG. 6, the body case 31 may be formed as the second member and the lid member 32 may be formed as the first member. Then, in a state where the main body case 31 is divided into two along the imaginary line X1 shown in FIG. 1 in the thickness direction of the resin case 12, the flange portion 3 is formed in one member constituting the main body case 31.
The first resin portion 33 forming 1b and the second resin portion 34 forming the outer peripheral portion of the lower surface of the lid member 32 may be overlapped with each other. In this state, the main body case 31 and the lid member 32 are joined by irradiating the laser beam L2 from the first resin portion 33 side, and one member constituting the main body case 31 is joined to the other member to form the resin. Case 12
May be formed. At the same time, the first resin portion 33 may be exposed on the entire design surfaces 35 and 36 of the main body case 31 and the lid member 32. The second resin portion 34
May be formed on the entire lower surface of the lid member 32.

【００３５】・前記第１実施形態において、本体ケース
３１を、第１樹脂部３３及び第２樹脂部３４をインサー
ト成形することによって形成してもよい。 ・前記第１実施形態において、本体ケース３１のフラン
ジ部３１ｂにおいて蓋部材３２と当接する面にレーザ光
Ｌ２を吸収する染料、顔料を塗装することにより、第２
樹脂部３４を形成するようにしてもよい。In the first embodiment, the body case 31 may be formed by insert molding the first resin portion 33 and the second resin portion 34. In the first embodiment, the surface of the flange portion 31b of the main body case 31 that abuts the lid member 32 is coated with a dye or pigment that absorbs the laser light L2.
You may make it form the resin part 34.

【００３６】・図７に示すように、本体ケース３１を、
第１樹脂部３３、第２樹脂部３４及びそれら樹脂部３
３，３４とは別の第３樹脂部５１によって形成してもよ
い。そして、本体ケース３１が樹脂ケース１２の厚さ方
向において図１に示す仮想線Ｘ１に沿って２つに分割さ
れた状態で、本体ケース３１を構成する一方の部材にお
いてフランジ部３１ｂを形成する第１樹脂部３３と、蓋
部材３２の下面における外周部分を形成する第２樹脂部
３４とを重ね合わせてもよい。この状態において、レー
ザ光Ｌ２を第１樹脂部３３側から照射することにより本
体ケース３１と蓋部材３２とを接合し、本体ケース３１
を構成する一方の部材に他方の部材を接合することによ
り樹脂ケース１２を形成してもよい。それとともに、本
体ケース３１及び蓋部材３２の意匠面３５，３６全体に
第３樹脂部５１を露出させるようにしてもよい。As shown in FIG. 7, the body case 31 is
First resin part 33, second resin part 34 and those resin parts 3
It may be formed by a third resin portion 51 different from 3, 34. Then, in a state where the main body case 31 is divided into two along the imaginary line X1 shown in FIG. 1 in the thickness direction of the resin case 12, one of the members forming the main body case 31 forms the flange portion 31b. The one resin portion 33 and the second resin portion 34 forming the outer peripheral portion of the lower surface of the lid member 32 may be overlapped with each other. In this state, the main body case 31 and the lid member 32 are joined to each other by irradiating the main body case 31 with the laser beam L2 from the first resin portion 33 side.
The resin case 12 may be formed by joining one member forming the other member to the other member. At the same time, the third resin portion 51 may be exposed on the entire design surfaces 35 and 36 of the main body case 31 and the lid member 32.

【００３７】このように構成すれば、レーザ光を透過す
る第１樹脂部３３とレーザ光を吸収する第２樹脂部３４
とを重ね合わせた部分が、本体ケース３１と蓋部材３２
との接合部分として設定されているため、本体ケース３
１及び蓋部材３２の意匠面３５，３６全体に第３樹脂部
５１を露出させても問題はない。すなわち、本体ケース
３１及び蓋部材３２の意匠面３５，３６に露出した第３
樹脂部５１に、レーザ光を透過するか吸収するかを気に
することなく様々なものを用いることができる。ゆえ
に、樹脂ケース１２の外観意匠の自由度を向上させるこ
とができる。なお、第３樹脂部５１は、レーザ光Ｌ２を
透過、吸収しにくい樹脂材料によって形成されている。According to this structure, the first resin portion 33 that transmits the laser light and the second resin portion 34 that absorbs the laser light are provided.
The part where the and are overlapped is the main body case 31 and the lid member 32.
Since it is set as a joint with the main body case 3
There is no problem even if the third resin portion 51 is exposed to the entire design surfaces 35 and 36 of the cover member 1 and the lid member 32. That is, the third case exposed on the design surfaces 35 and 36 of the body case 31 and the lid member 32.
Various materials can be used for the resin portion 51 without considering whether the laser light is transmitted or absorbed. Therefore, the degree of freedom in the appearance design of the resin case 12 can be improved. The third resin portion 51 is made of a resin material that hardly transmits and absorbs the laser light L2.

【００３８】・前記第２実施形態において、図８に示す
ように、本体ケース３１が樹脂ケース１２の厚さ方向に
おいて図１に示す仮想線Ｘ１に沿って２つに分割された
状態で、本体ケース３１の一方の部材及び蓋部材３２を
形成する第２樹脂部３４と、接続部材４１を形成する第
１樹脂部３３とを重ね合わせてもよい。そして、レーザ
光Ｌ２を第１樹脂部３３側から照射することにより本体
ケース３１と蓋部材３２とを接続部材４１を介して接合
し、本体ケース３１を構成する一方の部材に他方の部材
を接合することにより樹脂ケース１２を形成してもよ
い。In the second embodiment, as shown in FIG. 8, the main body case 31 is divided into two along the imaginary line X1 shown in FIG. The second resin portion 34 forming the one member of the case 31 and the lid member 32 and the first resin portion 33 forming the connecting member 41 may be overlapped with each other. Then, the main body case 31 and the lid member 32 are joined via the connecting member 41 by irradiating the laser beam L2 from the first resin portion 33 side, and one member constituting the main body case 31 is joined to the other member. By doing so, the resin case 12 may be formed.

【００３９】・図５〜図８において、樹脂ケース１２
に、レーザ装置２１を構成するレーザ集光レンズ２４を
挿入するための挿入孔を設けてもよい。このように構成
すれば、本体ケース３１が２つに分割されていなくて
も、挿入孔から樹脂ケース１２内にレーザ集光レンズ２
４を挿入した状態でレーザ集光レンズ２４からレーザ光
Ｌ２を照射することにより、本体ケース３１と蓋部材３
２とをレーザ溶着させることができる。In FIGS. 5 to 8, the resin case 12
In addition, an insertion hole for inserting the laser condenser lens 24 constituting the laser device 21 may be provided. According to this structure, even if the main body case 31 is not divided into two, the laser condenser lens 2 is inserted into the resin case 12 through the insertion hole.
By irradiating the laser beam L2 from the laser condenser lens 24 with 4 inserted, the main body case 31 and the lid member 3
And 2 can be laser welded.

【００４０】・前記各実施形態において、第２樹脂部３
４を着色する染料、顔料として、例えば、補助剤として
用いられるグラファイト等の炭素系材料、複合酸化物系
顔料等を用いてもよい。また、レーザ光Ｌ２をより十分
に吸収するものとして、例えばフタロシアニン系顔料等
を用いてもよい。In each of the above embodiments, the second resin portion 3
As the dye or pigment for coloring 4, a carbon-based material such as graphite used as an auxiliary agent, a complex oxide-based pigment, or the like may be used. Further, for example, a phthalocyanine-based pigment or the like may be used as a material that more sufficiently absorbs the laser light L2.

【００４１】・前記各実施形態において、樹脂成形品
を、例えば車両との相互通信によりドア錠を解錠させた
りエンジンを始動させるのに用いられる携帯機や、携帯
電話の表示部付近の構成等に具体化してもよい。In each of the above-mentioned embodiments, the resin molded product is used, for example, for a portable device used for unlocking a door lock or starting an engine by mutual communication with a vehicle, a configuration near a display portion of a mobile phone, and the like. May be embodied in.

【００４２】次に、上記実施形態及び他の実施形態によ
って把握される技術的思想を以下に記載する。 （１）請求項１，２，４のいずれか一項において、前記
第１及び第２部材の意匠面全体に第１樹脂部を露出させ
たことを特徴とする樹脂成形品。Next, the technical idea grasped by the above embodiment and other embodiments will be described below. (1) The resin molded article according to any one of claims 1, 2, and 4, wherein the first resin portion is exposed on the entire design surface of the first and second members.

【００４３】（２）請求項３において、前記第１及び第
２部材は、前記第１または第２樹脂部と、前記第３樹脂
部とを一体成形することによって構成されていることを
特徴とする樹脂成形品。(2) In claim 3, the first and second members are formed by integrally molding the first or second resin portion and the third resin portion. Molded resin products.

【００４４】（３）レーザ光を透過する第１樹脂部と、
レーザ光を吸収する第２樹脂部とからなる携帯機におい
て、前記第１及び第２樹脂部からなる第１部材と、前記
第１または第２樹脂部からなる第２部材とを備え、一方
の部材を構成する第１樹脂部と他方の部材を構成する第
２樹脂部とを重ね合わせた状態で、前記第１樹脂部側か
らレーザ光を照射して前記第１部材と前記第２部材とを
互いに溶着させるとともに、前記第１及び第２部材の意
匠面全体に前記第１及び第２樹脂部のいずれかを露出さ
せたことを特徴とする携帯機。(3) a first resin portion which transmits laser light,
A portable device including a second resin portion that absorbs laser light, including a first member including the first and second resin portions and a second member including the first or second resin portion, and one of In a state in which the first resin portion forming the member and the second resin portion forming the other member are overlapped with each other, laser light is irradiated from the first resin portion side, and the first member and the second member A portable device in which any one of the first and second resin portions is exposed on the entire design surface of the first and second members while being welded to each other.

【００４５】[0045]

【発明の効果】以上詳述したように、本発明によれば、
複数の部材を用いる場合でも樹脂成形品の外観意匠の自
由度を向上させることができる。As described in detail above, according to the present invention,
Even when using a plurality of members, it is possible to improve the degree of freedom in the appearance design of the resin molded product.

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

【図１】 第１実施形態における樹脂成形容器の全体斜
視図。FIG. 1 is an overall perspective view of a resin molded container according to a first embodiment.

【図２】 樹脂ケースを形成する際の作用を示す概略断
面図。FIG. 2 is a schematic cross-sectional view showing an operation when forming a resin case.

【図３】 図１のＡ−Ａ線における樹脂ケースの要部断
面図。FIG. 3 is a sectional view of a main part of the resin case taken along the line AA of FIG.

【図４】 第２実施形態における樹脂ケースの要部断面
図。FIG. 4 is a sectional view of a main part of a resin case according to a second embodiment.

【図５】 他の実施形態における樹脂ケースの要部断面
図。FIG. 5 is a sectional view of a main part of a resin case according to another embodiment.

【図６】 他の実施形態における樹脂ケースの要部断面
図。FIG. 6 is a cross-sectional view of a main part of a resin case according to another embodiment.

【図７】 他の実施形態における樹脂ケースの要部断面
図。FIG. 7 is a cross-sectional view of a main part of a resin case according to another embodiment.

【図８】 他の実施形態における樹脂ケースの要部断面
図。FIG. 8 is a sectional view of a main part of a resin case according to another embodiment.

【図９】 従来技術における樹脂成形品を形成する際の
作用を示す概略断面図。FIG. 9 is a schematic cross-sectional view showing the action when forming a resin molded product in the conventional technique.

【符号の説明】[Explanation of symbols]

１２…樹脂成形品としての樹脂ケース、３１…第１部材
としての本体ケース、３２…第２部材としての蓋部材、
３３…第１樹脂部、３４…第２樹脂部、３５，３６…意
匠面、４１…接続部材、５１…第３樹脂部、Ｌ２…レー
ザ光。12 ... Resin case as resin molded product, 31 ... Main body case as first member, 32 ... Lid member as second member,
33 ... 1st resin part, 34 ... 2nd resin part, 35, 36 ... Design surface, 41 ... Connection member, 51 ... 3rd resin part, L2 ... Laser beam.

Claims (4)

【特許請求の範囲】[Claims] 【請求項１】 レーザ光を透過する第１樹脂部と、レー
ザ光を吸収する第２樹脂部とからなる樹脂成形品におい
て、 前記第１及び第２樹脂部からなる第１部材と、前記第１
または第２樹脂部からなる第２部材とを備え、一方の部
材を構成する第１樹脂部と他方の部材を構成する第２樹
脂部とを重ね合わせた状態で、前記第１樹脂部側からレ
ーザ光を照射して前記第１部材と前記第２部材とを互い
に溶着させるとともに、前記第１及び第２部材の意匠面
全体に前記第１及び第２樹脂部のいずれかを露出させた
ことを特徴とする樹脂成形品。1. A resin molded article comprising a first resin portion that transmits laser light and a second resin portion that absorbs laser light, comprising: a first member including the first and second resin portions; 1
Alternatively, a second member including a second resin portion is provided, and the first resin portion forming one member and the second resin portion forming the other member are overlapped with each other from the first resin portion side. The first member and the second member are welded to each other by irradiating laser light, and at least one of the first and second resin portions is exposed on the entire design surface of the first and second members. Resin molded product characterized by. 【請求項２】 前記第１部材は、前記第１樹脂部と前記
第２樹脂部とを一体成形することによって構成されてい
ることを特徴とする請求項１に記載の樹脂成形品。2. The resin molded product according to claim 1, wherein the first member is formed by integrally molding the first resin portion and the second resin portion. 【請求項３】 レーザ光を透過する第１樹脂部と、レー
ザ光を吸収する第２樹脂部と、前記第１及び第２樹脂部
とは別の第３樹脂部とからなる樹脂成形品において、 前記第１または第２樹脂部と、前記第３樹脂部とからな
る第１部材及び第２部材を備え、一方の部材を構成する
第１樹脂部と他方の部材を構成する第２樹脂部とを重ね
合わせた状態で、前記第１樹脂部側からレーザ光を照射
して前記第１部材と前記第２部材とを互いに溶着させる
とともに、前記第１及び第２部材の意匠面全体に前記第
３樹脂部を露出させたことを特徴とする樹脂成形品。3. A resin molded article comprising a first resin portion that transmits laser light, a second resin portion that absorbs laser light, and a third resin portion that is different from the first and second resin portions. A first resin part which comprises the first or second resin part and the third resin part and a second member, and a first resin part which constitutes one member and a second resin part which constitutes the other member In a state of being overlapped with each other, laser light is irradiated from the first resin portion side to weld the first member and the second member to each other, and the entire design surface of the first and second members is A resin molded product, wherein the third resin portion is exposed. 【請求項４】 レーザ光を透過する第１樹脂部と、レー
ザ光を吸収する第２樹脂部とからなる樹脂成形品におい
て、 前記第１及び第２樹脂部のいずれか一方からなる第１部
材と、前記第１部材と同一の樹脂部とからなる第２部材
と、前記第１及び第２樹脂部の他方からなる接続部材と
を備え、 前記第１部材と前記接続部材とを重ね合わせた状態で、
前記第１樹脂部側からレーザ光を照射して前記第１部材
と前記接続部材とを互いに溶着させるとともに、前記第
２部材と前記接続部材とを重ね合わせた状態で、前記第
１樹脂部側からレーザ光を照射して前記第２部材と前記
接続部材とを互いに溶着させることにより、前記第１部
材と前記第２部材とを接続させるとともに、前記第１部
材及び前記第２部材の意匠面全体に前記第１及び第２樹
脂部のいずれかを露出させたことを特徴とする樹脂成形
品。4. A resin molded product comprising a first resin portion that transmits laser light and a second resin portion that absorbs laser light, wherein the first member is made of either one of the first and second resin portions. And a second member made of the same resin portion as the first member, and a connecting member made of the other of the first and second resin portions, and the first member and the connecting member are overlapped with each other. In the state
The first resin portion side is irradiated with laser light from the first resin portion side to cause the first member and the connecting member to be welded to each other, and the second member and the connecting member are overlapped with each other. The first member and the second member by connecting the first member and the second member to each other by irradiating the second member and the connecting member with each other by irradiating laser light from the first member and the design surface of the second member. A resin molded product, characterized in that either one of the first and second resin parts is exposed as a whole.
JP2002132041A 2002-05-07 2002-05-07 Resin molding Pending JP2003320585A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002132041A JP2003320585A (en) 2002-05-07 2002-05-07 Resin molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002132041A JP2003320585A (en) 2002-05-07 2002-05-07 Resin molding

Publications (1)

Publication Number Publication Date
JP2003320585A true JP2003320585A (en) 2003-11-11

Family

ID=29544405

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
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WO2005052377A1 (en) * 2003-11-27 2005-06-09 Daikin Industries, Ltd. Blade wheel for centrifugal blower and centerifugal blower with the same
US8007240B2 (en) 2003-11-27 2011-08-30 Daikin Industries, Ltd. Impeller of centrifugal fan and centrifugal fan disposed with the impeller
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JP2011016352A (en) * 2009-06-11 2011-01-27 Nitto Denko Corp Composite breathable film and breathing structure using this film
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