JPS639482A - 自動車用座席のトリムカバ−成形方法 - Google Patents

自動車用座席のトリムカバ−成形方法

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Publication number
JPS639482A
JPS639482A JP61153435A JP15343586A JPS639482A JP S639482 A JPS639482 A JP S639482A JP 61153435 A JP61153435 A JP 61153435A JP 15343586 A JP15343586 A JP 15343586A JP S639482 A JPS639482 A JP S639482A
Authority
JP
Japan
Prior art keywords
welding
trim cover
cut
wadding
laminate
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
JP61153435A
Other languages
English (en)
Inventor
浦井　宗治
阿部　忠文
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.)
Tachi S Co Ltd
Original Assignee
Tachi S 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 Tachi S Co Ltd filed Critical Tachi S Co Ltd
Priority to JP61153435A priority Critical patent/JPS639482A/ja
Publication of JPS639482A publication Critical patent/JPS639482A/ja
Pending legal-status Critical Current

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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
    • B29C66/40—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
    • B29C66/436—Joining sheets for making articles comprising cushioning or padding materials, the weld being performed through the cushioning material, e.g. car seats
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/745—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool
    • 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
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/745—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool
    • B29C65/7451—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool the severing tool and the welding tool being movable with respect to one-another
    • 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
    • B29C66/1122—Single lap to lap joints, i.e. overlap 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
    • B29C66/8145—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 constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81463—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 constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint
    • 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
    • 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
    • B29C66/72—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
    • B29C66/727—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 porous, e.g. foam
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/929—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools characterized by specific pressure, force, mechanical power or displacement values or ranges
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/94—Measuring or controlling the joining process by measuring or controlling the time
    • B29C66/949—Measuring or controlling the joining process by measuring or controlling the time characterised by specific time values or ranges
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
    • B29C66/951—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools
    • B29C66/9517—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools characterised by specific vibration amplitude values or ranges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 （産業上の利用分野） 本考案は表皮、発泡体製ワディング、ワディングカバー
の王者を積層して一体に溶着する自動単用座席の表層材
として使用するトリムカバー成形方法に関するものであ
る。
（従来の技術とその問題点） 前記表皮、発泡体製（ウレタン７オームのスラブ材）ワ
ディング、ワディングカバーの三者を一体にする方法と
して、従来ミシンによる縫着、高周波ウェルグーによる
溶着手段が使用されている。高周波ウェルグーによる方
法は縫着によるものに比べ作業性が良いため広〈実施゛
されているが、普通ウレタンなど高周波溶着性のない発
泡体は直接溶着できない不具合がある（発熱促進用に絶
縁紙を使用しなければならない。）。
そこで本願出願人は、斯る高周波ウェルグーによる不具
合を除去するものとして特開昭５９−２３０７１８号公
報において、超音波ウェルグーを使用して成形する方法
を開示した。
斯る方法は、超音波によって前記三者の積層体を一体に
溶着する方法であり、この溶着はあらかじめ所定の形状
に切断処理した積層体を使用するために、その切断処理
に工数を要する不具合があった。
なお、高周波ウェルグーによるものは、高周波で王者を
一体に溶着した後、再度刃型状の電極を使用して高周波
で切断している。
（目的） 本考案は前記超音波による不具合を除去し、その成形性
を向上することを目的とする。即ち、積層体を超音波溶
着する超音波ウェルグーと使用して切断工程までも行な
うことができるようにすることである。
（ｖｔ成） そのため、本発明は、溶着部と切断部とを有する超音波
ウェルグーを使用し、表皮、発泡体製ワディング、ワデ
ィングカバーからなる積層体を、同時若しくは時間をず
らして超音波を発振させて前記積層体を前記溶着部で一
体に溶着すると共に積層体の外周部を前記切断部でｇＪ
断じて成形するものであり、前記切断部は溶着部に対し
て、溶着性が良好になるように、切断部に対して溶着面
積を減少するが、或いは発振時間を長くするか、若しく
はホーンによる加圧力を増大するなど種々溶着加工条件
を異ならしめたものである。
従って、１台の超音波ウェルダーに以上の溶着部と切断
部とが存在するため、積層体を一体に超音波により溶着
すると共に所定の形状に切断部で切断成形され、その切
断部は積層体を過度に溶着することにより切断するので
、その積層体の切断個所はワディングが圧ｔｆｔされて
溶着し、このワディングの端末は表皮と７デイングカバ
ーによりて被包された状態を呈する。
（実施例） 以下、本発明の一実施例を図面に基づいて説明する。
第１図は本発明に使用する超音波ウェルグーであり、溶
着ルの溶着部（ａ）と切断用の切Ｉｌｉ部（ｂ）とが設
けてあり、この溶着部（ａ）及び切断部（ｂ）はホーン
（１０）、（２０）、下型（１１）、（２１）などの一
連の超音波溶着機構から構成されている。
図示する溶着部（ａ）と切断部（ｂ）は本発明の説明上
左右に一ケ設けであるが、実際には超音波ウェルグーの
機体に複数個の溶着部（ａ）と切断部（ｂ）とが設けで
ある。そして、図示するものは同一の加圧条件、同一の
発振時間で、ホーン（１０）、（２０）が積層体（１）
を加圧して超音波を発振させる構造であるが、雨下型（
１１）、（２１）はその溶着面積が相異する。
これを、１２図において説明する。
溶９ＩＩ部（ａ）、切断部（ｂ）の両ホーン（１０）、
（２０）は長さが２５ｃｍ、幅８ｃｍ程度のバーホーン
型を使用し、溶着部（ａ）の下型（１１）は切断部（ｂ
）の下型（２１）に対して、その溶着個所の面積が２倍
、即ち、同一の長さで幅を２倍（２ｍｍ）にしたもので
ある。
以上のホーン（１０）、（２０）、下型（１１）、（２
１）から構成される溶着部（ａ）と切断部（ｂ）とを使
用して積層体（１）を同一の超音波溶着条件で超音波溶
着して切断しトリムカンイーを成形する。
即ち、積層体（１）を形成する表皮（２）はポリエステ
ル系の識物地（ダブルラッセル）などの熱可塑性用脂材
であり、ワディング（３）はＪＩＳ硬度が５に、乃至２
０に、程度、比重０．２５でその厚さが５１乃至２０ｍ
ａ＋程度の平板状のスラブ材、ワディングカバー（４）
は熱可塑性の不織布を使用し、表皮（２）を下型（１１
）、（２１）ＩＩＩＩＩにしてＰｔ５２図に示すように
積層する。そして、両ホーン（１０）、（２０）を同時
又は時間をずらして、下降させて積層体（１）を同一の
加圧力で加圧して超音波を発振させる。これを気体的に
説明すると、ジェネレーターの周波数２０ＫＨＺ、振幅
７６μ、冷却時間１．５乃至２．０秒、加圧力４２０　
Ｋｇ、発振時間１．３乃至１．８秒、ノエネレーター出
力負荷率７０％乃至８０％である。
以上の如く、溶着部（ａ）の下型（１１）に対して、切
断部（ｂ）の下型（２１）の面積を狭くすることにより
、この切断部（ｂ）に対応する部分の積層体（１）は１
５３図、第４図に示すように、切断され、また溶着部（
、）に対応する部分の王者（２）、（３）、（４）は一
体に溶着される。第３図、第４図において、図中（５）
は超音波ウェルグーの溶着部（ａ）によって一体に溶着
した溶着個所、（６）は同切断部（ｂ）によって切断さ
れた切断個所を夫々示し、その溶着個所はワディング（
３）が圧潰されて唇解し、表皮（２）と７デイングカパ
ー（４）とを溶着させて、表面に凹条の装飾用溝（イ）
を形成する。
また、切断個所（６）はワディング（３）が溶解し、そ
の溶解したワディング（３）を表皮（２）と７デイング
カバー（４）とで被包するように切断され、所定の形状
のトリムカバーが成形される。
なお、図示しないが、前記切断部（ｂ）のホーン（２０
）による加圧力を溶着ｎ＜ａ＞のそれに対して大にし、
下型の溶着面積、発振時間を同一にする。或いは切断部
（ｂ）の発振時間を溶着部（ａ）のそれに対して長くし
、同一ホーン、下型を使用するなど、溶着部（ａ）に対
して、切断部（ｂ）を溶着し易く、且つ積層体（１）を
切断可能な条件にする。
（効果） 本発明によれば、１台の超音波ウェルグーで、表皮、ワ
ディング、ワディングカバーの王者からなる積層体を一
体に溶着すると共に所定形状に切断してトリムカバーを
成形するので、その成形性が従来方法に比べ向上する。
また、トリムカバーの切断面はワディングが溶着され、
そのワディングが表皮、ワディングカバーで被包するよ
うに形成されるので、切断個所が美麗で、その切断個所
の端末処理が軍票になる。
【図面の簡単な説明】
第１図は本発明に使用する超音波ウェルグーの側面図、
第２図は成形前の状態の部分拡大断面図、第３図は本発
明によって成形したトリムカバーの部分拡大断面図、第
４図は同部分切欠斜視図である。 図中、（ａ）は超音波ツェルグーの溶着部、（ｂ）は同
切断部を夫々示す。

Claims (4)

    【特許請求の範囲】
  1. （１）表皮、発泡体製ワディング、ワディングカバーか
    らなる積層体を、溶着部と切断部とを有する超音波ウェ
    ルダーで同時若しくは時間をずらして超音波を発振させ
    て前記積層体を前記溶着部で一体に溶着すると共に積層
    体の外周部を前記切断部で切断して成形することを特徴
    とする自動車用座席のトリムカバー成形方法。
  2. （２）前記溶着部はその下型を切断部の下型に対して溶
    着面積を大にし、ホーンの加圧力、発振時間を同一にし
    てなる前記特許請求の範囲第１項記載の自動単用座席の
    トリムカバー成形方法。
  3. （３）前記切断部のホーンの加圧力を溶着部のそれに対
    して大にし、下型の溶着面積、発振時間を同一にしてな
    る前記特許請求の範囲第１項記載の自動車用座席のトリ
    ムカバー成形方法。
  4. （４）前記切断部の発振時間を溶着部のそれに対して長
    くし、同一ホーン、下型を使用してなる前記特許請求の
    範囲第１項記載の自動車用座席のトリムカバー成形方法
    。
JP61153435A 1986-06-30 1986-06-30 自動車用座席のトリムカバ−成形方法 Pending JPS639482A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61153435A JPS639482A (ja) 1986-06-30 1986-06-30 自動車用座席のトリムカバ−成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61153435A JPS639482A (ja) 1986-06-30 1986-06-30 自動車用座席のトリムカバ−成形方法

Publications (1)

Publication Number Publication Date
JPS639482A true JPS639482A (ja) 1988-01-16

Family

ID=15562458

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61153435A Pending JPS639482A (ja) 1986-06-30 1986-06-30 自動車用座席のトリムカバ−成形方法

Country Status (1)

Country Link
JP (1) JPS639482A (ja)

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