JPS5979742A - Preparation of molding made of synthetic resin - Google Patents

Preparation of molding made of synthetic resin

Info

Publication number
JPS5979742A
JPS5979742A JP57190954A JP19095482A JPS5979742A JP S5979742 A JPS5979742 A JP S5979742A JP 57190954 A JP57190954 A JP 57190954A JP 19095482 A JP19095482 A JP 19095482A JP S5979742 A JPS5979742 A JP S5979742A
Authority
JP
Japan
Prior art keywords
synthetic resin
insert
cut
blade
extruded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP57190954A
Other languages
Japanese (ja)
Other versions
JPS6140547B2 (en
Inventor
Yoshihiro Menju
毛受　義博
Seiji Kobayashi
誠治 小林
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.)
Toyoda Gosei Co Ltd
Original Assignee
Toyoda Gosei 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 Toyoda Gosei Co Ltd filed Critical Toyoda Gosei Co Ltd
Priority to JP57190954A priority Critical patent/JPS5979742A/en
Publication of JPS5979742A publication Critical patent/JPS5979742A/en
Publication of JPS6140547B2 publication Critical patent/JPS6140547B2/ja
Granted 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/154—Coating solid articles, i.e. non-hollow articles
    • B29C48/155—Partial coating thereof
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0063—Cutting longitudinally
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/154—Coating solid articles, i.e. non-hollow articles
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • 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
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride
    • 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
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005—Body finishings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To improve the appearance of a decorating part and to prevent the generation of a die mark, by a method wherein a metal strip plate is extruded along with a synthetic resin material in an entirely coated state and, directly after the extrusion, a predetermined part is peeled off while a cut is formed to the resin coated part by a blade like article. CONSTITUTION:A synthetic resin material such as soft PVC reaching an extruder head 5 through a extruder barrel is extruded from a die orifice along with an insert 1B such as a stainless steel thin plate while entirely coating said insert 1B. In the next step, while a pair of cuts each having a predetermined width is formed to the resin coated part on the insert 1B by a pair of blade like articles 6, 6 arranged directly before the extruder head 5, a strip shaped coated part 7 held between the cuts is peeled off and the insert 1B is partially exposed to form a decorating part. The depth of each aforementioned cut is regulated so as to almost perfectly separate the strip shaped coated part 7 from the other resin part.

Description

【発明の詳細な説明】 この発明は、金属製帯板を部分露出させて加飾部を形成
する合成樹脂製モールの製造方法に関し、自動市川サイ
トモール・バンパモール又は゛１１化製品、家Ｊｔ等の
装飾モールの製造に適用するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a synthetic resin molding in which a decorative part is formed by partially exposing a metal band plate, and relates to a method for manufacturing a synthetic resin molding in which a decorative part is formed by partially exposing a metal band plate, and is used for manufacturing automatic Ichikawa site moldings, bumper moldings, ``11'' products, house Jts, etc. It is applied to the production of decorative moldings.

ここで、金属製帯板とは、モールの熱伸縮の押えや剛性
イ・ＩＪｊのために埋設されるインサート（通割０，２
〜０．３ｍｍｔ）に限らず、装飾を主１］的とする金属
ホイルＩ’、　＜　０．１　ｍｍ　ｔ）からなるものも
含むモールに金属光沢を伺与して加飾部を形成するため
に、従宋の金属蒸着フィルム（加飾部材）を押出直後の
モール本体に貼着する方法に代って、昨今、第１〜２図
に示すように、金属性帯板であるインサートｌ（又は金
属ホイル２）を部分露出させながら合成樹脂材料でモー
ル３（又は３Ａ）を押出す方法が試みられている。この
方法の場合、加飾部材の貼着作業が不要でしかも加飾部
材である金属性帯板が樹脂被覆によ、り物理的にも固定
され〃ｒましい。しかし、モール押出時、合成樹脂材料
が金属性帯板の露出すべき範囲（加飾部）内へ流入して
加飾部の見切が悪くなりやすく、また、ダイのオリフィ
ス面と金属性帯板が接触して露出部（加飾部）にグイ傷
等が発生しやすかった。Here, the metal strip is an insert (threaded 0, 2
To form a decorative part by imparting metallic luster to moldings, including not only those made of metal foil I', <0.1 mm t) whose main purpose is decoration. In place of the Congo Song Dynasty method of attaching a metallized film (decorative member) to the molding body immediately after extrusion, insert l( Alternatively, a method of extruding the molding 3 (or 3A) using a synthetic resin material while partially exposing the metal foil 2) has been attempted. In the case of this method, it is not necessary to attach the decorative member, and the metal band plate serving as the decorative member is physically fixed by the resin coating, which is preferable. However, during mold extrusion, the synthetic resin material flows into the exposed area (decoration part) of the metal strip, which tends to make the decoration part poorly cut, and the orifice surface of the die and the metal strip When exposed parts (decorated parts) came into contact with each other, scratches were likely to occur.

この発明は、上記にかんがみて、金属性帯板を部分露出
させて加飾部を形成する合成樹脂性モールの製造に際し
て、加飾部の見切りが良好でかつ加飾部にタイ傷等が発
生するおそれのない方法を提併することを目的とする。In view of the above, the present invention provides a method for producing a synthetic resin molding in which a decorative portion is formed by exposing a portion of a metal band plate, in which the decorative portion has good separation and tie scratches, etc. occur in the decorative portion. The purpose is to provide a method that is free from the risk of

この発明の合成樹脂性モールの製造方法は、全屈セ１帯
板を全被覆状態で合成樹脂材料とともに押出し、その直
後に金属性りｉシ板」−の樹脂被覆部に刃状物で少なく
とも−・対の所定幅の切れ込みを入れながら切れ込みに
挟まれた帯状被覆部を剥ぎ取って金ｆｉｒ性（１？板を
部分露出させることにより」−記［」的を達成する。The method for manufacturing a synthetic resin molding of the present invention is to extrude a fully-flexed strip plate in a fully covered state together with a synthetic resin material, and immediately after that, a blade-like object is used to at least touch the resin-coated portion of the metal die plate. - Achieve the gold fir property (1) by making a pair of notches of a predetermined width and peeling off the band-like coating sandwiched between the notches to partially expose the plate.

以ド、この発明の方法を、第３〜５図に）１（づい１：
１細に説明する。Hereinafter, the method of this invention is shown in Figures 3 to 5.
Let me explain in detail.

ここでは、第３図に示すような断面形状のモール３Ｂを
製造する場合を例に採るが、この発明の方法は、第１〜
２図に示すような断面形状のモールにも適ｊ１しｉ１能
である。Here, we will take as an example the case of manufacturing a molding 3B having a cross-sectional shape as shown in FIG.
It is also suitable for a molding with a cross-sectional shape as shown in Fig. 2.

まず、押出バレルを経て押出ヘッド５に至った軟質ＰＶ
Ｃ等の合成樹脂材料は、ステンレス薄板等のインサート
ＩＢとともにグイオリフィスから第４図に示すような断
面形状に、即ちインサートＩＢを全波Ｙａシて押出され
る。First, the soft PV has passed through the extrusion barrel and reached the extrusion head 5.
A synthetic resin material such as C is extruded from a gas orifice together with an insert IB such as a thin stainless steel plate into a cross-sectional shape as shown in FIG.

続いて、押出ヘッド４の直前に配設された一対の刃状物
６．６によりインサートｌＢ上の樹脂被覆部に一対の所
定幅の切れ込みを入れながら、切れ込みに挟まれた帯状
被覆部７を剥ぎ取ってインサー１−　Ｉ　Ｂを部分露出
させて加飾部を形成する。Next, while making a pair of incisions of a predetermined width in the resin coating part on the insert IB with a pair of blades 6.6 disposed just before the extrusion head 4, the band-shaped coating part 7 sandwiched between the incisions is cut. The insert 1-IB is partially exposed by peeling it off to form a decorative portion.

」−記切れ込みの深さは、帯状被覆部７が他の樹脂部か
ら略完全に分断される程度とする。帯状被覆部７の剥ぎ
取りは、例えはロール等によ巻き取りながら行なう。ま
た、インサートｌＢには、樹脂部との結合性をもたせる
ために、露出させる部分を除いて接着剤を塗布するか及
び／又は止め孔８を所定間隔で設けておく。The depth of the notch is such that the band-shaped covering portion 7 is almost completely separated from the other resin portions. Stripping of the band-shaped covering portion 7 is performed while winding it up using a roll or the like, for example. Further, in order to provide bondability with the resin portion, the insert IB is coated with adhesive except for the exposed portion, and/or has stopper holes 8 provided at predetermined intervals.

この発明の合成樹脂性モールの製造方法は、」二記のよ
うな方法なので、下記のような効果を奏する。The method for producing a synthetic resin molding according to the present invention is the method described in Section 2, and therefore has the following effects.

（ａ）金属性帯板を全被覆状態で押出すので、金属性帯
板の加飾部（露出部）にグイ傷が発生するおそれがない
。(a) Since the metal strip is extruded in a fully covered state, there is no risk of scratches occurring on the decorated portion (exposed portion) of the metal strip.

（ｂ’）加飾部の形成を、押出し直後の金属性帯板」二
の樹脂被覆部に刃状物で切れ込みを入れながら！ｉｌＪ
れ込みに挟まれた帯状被覆部を剥ぎ取るため、樹脂材料
が加飾部内へ流入するおそれもなく、切断面も重囲とな
り加飾部と見切りが良好である。(b') Form the decorative part by making incisions with a blade in the resin-coated part of the metal band immediately after extrusion! ilJ
Since the band-shaped covering portion sandwiched between the inserts is peeled off, there is no fear that the resin material will flow into the decorative portion, and the cut surface is also surrounded by the surrounding area, resulting in good separation from the decorative portion.

ちなみに、切れ込みの入れるときが押出直後でなければ
！ｉｌＪれ込み作業か困難となる。また、帯状被覆部の
剥ぎ取りをＩ）Ｊれ込みを入れながらでなく定ｊ＜裁断
後、例えばイ１？状被覆部を加飾部の保護層として残こ
しておいてモールを組伺は時に１りぎ取ることも考えら
れるが、この場合は帯状被覆部を他の樹脂部から完全分
断状態に切れ込みを入れることができずかつ樹脂が固化
した状ｆ１１．でイ１２状被覆部を！１１１き取るので
奇麗に切断されず見切りが悪くなるおそれがある。By the way, make sure to make the cuts immediately after extrusion! It will be difficult to incorporate ILJ. In addition, the band-shaped covering part may be peeled off after cutting, for example, after cutting, rather than while inserting it. It is sometimes possible to leave the band-shaped covering part as a protective layer for the decorative part and cut it off when assembling the molding, but in this case, the band-shaped covering part is completely separated from the other resin parts by making a cut. f11. And the 12-shaped covering part! 111, there is a risk that the cut will not be cut cleanly and the cutout will be poor.

（ｃ）！ｕＪれ込みを入れるのをダイの直前（ダイの外
）で行なうので、一対又は複数対の刃状物の幅やイ＼装
置を変えることが容易で、同一押出形状で加飾の！ハ１
様（帯幅、位；６）変更できモールの意匠の多様化が図
れる。ちなみに、グイ形状で切れ込みを入れることも可
能であるが、タイ形状が複雑となるとともに同一押出形
状では加飾部の態様は一種類しか得られない。(c)! Since the uJ insertion is performed just before the die (outside the die), it is easy to change the width and equipment of one or more pairs of blades, and it is possible to make decorations with the same extruded shape! Ha1
The shape (band width, position; 6) can be changed, making it possible to diversify the design of the mall. Incidentally, it is also possible to make cuts in the shape of a gooey, but the tie shape becomes complicated and only one type of decorative portion can be obtained with the same extruded shape.

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

第１〜３図はそれぞれこの発明の方法を適用可能なモー
ルの断面図、第４図は第５図の［、Ｖ−ＩＶ！ｌａ端面
図、第５図はこの発明の方法を示す概略図である。 ｌ、ＩＡ、ｌＢ・・・インサート（金属性帯板）、２・
・・金属ホイル（金属性帯板）、３．３Ａ、３Ｂ・・・
合成樹脂製モール、５・・・押出ヘラＩ・、６・・・刃
状物、７・・・帯状被覆部。 ４、￥　　詐　　出　　願　　人1 to 3 are cross-sectional views of a molding to which the method of the present invention can be applied, and FIG. 4 is a cross-sectional view of a molding shown in FIG. 5 [, V-IV! FIG. 5 is a schematic diagram illustrating the method of the present invention. l, IA, lB... insert (metallic strip), 2.
・・Metal foil (metallic band plate), 3.3A, 3B...
Synthetic resin molding, 5... Extrusion spatula I, 6... Blade-shaped object, 7... Band-shaped covering portion. 4. ¥ Fraud applicant

Claims (1)

【特許請求の範囲】[Claims] 金属製帯板を部分露出させて加飾部を形成する合成樹脂
製モールの製造に際して、金属製り１？板を全被覆状態
で合成樹脂材ネ゛１ととも押出し、その直後に金属製帯
板］二の樹脂被覆部に刃状物で少なくとも・幻の所定１
１１１．ｔの切れ込みを入れながら該νＪれ込みに挟ま
れた帯状被覆部を剥ぎ取って金属製帯板を部分ＩＩ−出
させることを特徴とする合成樹脂製モールの製造方法。When manufacturing a synthetic resin molding in which a decorative part is formed by partially exposing a metal band plate, metal strip 1? The plate is extruded with a synthetic resin material 1 in a fully covered state, and immediately after that, the resin coated part of the metal band plate 2 is cut with a blade at least in a phantom predetermined position 1.
111. A method for manufacturing a synthetic resin molding, which comprises making a slit of t and peeling off the band-shaped covering portion sandwiched between the νJ recesses to expose the metal band plate at portion II-.
JP57190954A 1982-10-30 1982-10-30 Preparation of molding made of synthetic resin Granted JPS5979742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57190954A JPS5979742A (en) 1982-10-30 1982-10-30 Preparation of molding made of synthetic resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57190954A JPS5979742A (en) 1982-10-30 1982-10-30 Preparation of molding made of synthetic resin

Publications (2)

Publication Number Publication Date
JPS5979742A true JPS5979742A (en) 1984-05-09
JPS6140547B2 JPS6140547B2 (en) 1986-09-10

Family

ID=16266436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57190954A Granted JPS5979742A (en) 1982-10-30 1982-10-30 Preparation of molding made of synthetic resin

Country Status (1)

Country Link
JP (1) JPS5979742A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS649717A (en) * 1987-07-02 1989-01-13 Katayama Kogyo Kk Manufacture of molding for automobile
FR2698578A1 (en) * 1992-11-27 1994-06-03 Profil Continuous mfr. of composite parts, esp. trim - involves moulding trim ends into plastics coating on metal backing strip

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1182844A (en) * 1966-06-18 1970-03-04 Happich Gmbh Gebr Profiled Strip Especially for Motor Vehicles.
JPS5017731A (en) * 1973-06-15 1975-02-25
JPS53111928A (en) * 1977-03-09 1978-09-29 Hashimoto Forming Kogyo Co Ornamental edge member and method of producting this member

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1182844A (en) * 1966-06-18 1970-03-04 Happich Gmbh Gebr Profiled Strip Especially for Motor Vehicles.
JPS5017731A (en) * 1973-06-15 1975-02-25
JPS53111928A (en) * 1977-03-09 1978-09-29 Hashimoto Forming Kogyo Co Ornamental edge member and method of producting this member

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS649717A (en) * 1987-07-02 1989-01-13 Katayama Kogyo Kk Manufacture of molding for automobile
FR2698578A1 (en) * 1992-11-27 1994-06-03 Profil Continuous mfr. of composite parts, esp. trim - involves moulding trim ends into plastics coating on metal backing strip

Also Published As

Publication number Publication date
JPS6140547B2 (en) 1986-09-10

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