JPH0349910A - Rotation molding method and molded product thereof - Google Patents

Rotation molding method and molded product thereof

Info

Publication number
JPH0349910A
JPH0349910A JP18561889A JP18561889A JPH0349910A JP H0349910 A JPH0349910 A JP H0349910A JP 18561889 A JP18561889 A JP 18561889A JP 18561889 A JP18561889 A JP 18561889A JP H0349910 A JPH0349910 A JP H0349910A
Authority
JP
Japan
Prior art keywords
molded product
rotation
mold
connector
block
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
JP18561889A
Other languages
Japanese (ja)
Inventor
Toyoo Takahashi
高橋　東洋夫
Yutaka Takei
武井　裕
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.)
Shiba KK
Original Assignee
Shiba KK
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 Shiba KK filed Critical Shiba KK
Priority to JP18561889A priority Critical patent/JPH0349910A/en
Priority to FR9008965A priority patent/FR2649930B1/en
Publication of JPH0349910A publication Critical patent/JPH0349910A/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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H9/00—Special methods or compositions for the manufacture of dolls, toy animals, toy figures, or parts 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/20—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. moulding inserts or for coating 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
    • 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
    • B29L2031/52—Sports equipment ; Games; Articles for amusement; Toys
    • B29L2031/5209—Toys
    • B29L2031/5218—Dolls, puppets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Toys (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

PURPOSE:To fix a connector in a rotation molded product by mounting a block with supporting levers provided projectingly on a cap of a mold, inserting the connector molded with a material same as a main material at the end of the supporting lever, molding integrally with the molded product and releasing the block together with the cap. CONSTITUTION:Three supporting levers 4 are provided projectingly in the position to fix an injection molded product for trimming, and a block 2 in which a connector 5 molded with a material same as a main material at the end is mounted on a cap 6 of a mold 3, and the supporting lever 4 in the center is positioned in a jaw section and two supporting levers 4, left and right, are positioned close to the inner wall of the jaw section respectively by mounting the block in the mold 3. When the molding is started, the main material flows the inner wall of the mold 3 and is laminated on the wall surface of the molded product 1, and then reaches a welding point 7 of respective connectors 5 and further the inner wall of the molded product 1 and the connectors 5 are welded integrally and fixed by the progress of laminating. After completion of molding, cooling is carried out for releasing the cap 6 and the block 2 together with the supporting levers and the molded product 1 is released from the mold 3 to leave the connectors in the molded product 1 of rotation.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、ローテーション成型用の型内に主材を流動さ
せて成型物を型成するローテーション成型物法に於て、
所望のインジェクション成型物をローテーション成型物
内に内設するだめの成型方法及びその成型物に係るもの
である。[Detailed Description of the Invention] Industrial Field of Application The present invention relates to a rotation molding method in which a molded product is formed by flowing a main material in a mold for rotation molding.
The present invention relates to a molding method for placing a desired injection molded product inside a rotation molded product and the molded product.

従来の技術 従来、玩具用の人形、動物等柔軟な感触をもって成型で
きるローテーション成型方法による成型物は、空洞内面
を成型する形状に形成した型内に塩化ビニールゾル等の
主材を加熱しつつ流動させ主材が所望の厚さに積層され
た後、冷却して型内から成型物を引き出していた。Conventional technology Conventionally, toy dolls, animals, etc., molded using the rotation molding method, which can be molded with a flexible feel, are made by heating and flowing a main material such as vinyl chloride sol in a mold that has a shape that molds the inner surface of the cavity. After the main materials were laminated to a desired thickness, they were cooled and the molded product was pulled out from the mold.

発明が解決しようとする課題 上記技術に於ては、成型物内にインジエクション成型物
から成る各種の動力機構を内装する際、インジェクショ
ン成型物とローテーション成型物とが異質の素材である
だめ、接着、溶着が不可能であり、成型体が柔軟なため
鋲、螺着が不適であった。Problems to be Solved by the Invention In the above technology, when various power mechanisms made of injection molded products are installed inside a molded product, since the injection molded product and the rotation molded product are made of different materials, Adhesion and welding were impossible, and the molded body was flexible, making it unsuitable for rivets and screws.

本発明は、上記課題に鑑みローテーション成型物内にイ
ンジェクション成型物を内設する接続子を一体的に成型
するローテーション成型方法及びその成型物を提供する
ことを目的とする。In view of the above problems, an object of the present invention is to provide a rotation molding method for integrally molding a connector in which an injection molded product is placed inside a rotation molded product, and a molded product thereof.

課題を解決するための手段 ローテーション用の型内に主材を流動させて成型するロ
ーテーション成型方法に於て、１）上記成型物内に内装
するインジェクション成型物を固着する位置に合せて、
外方に１本又は複数本の支持杆を突設したブロックを、
成型用型のキャップに装着すると共に、上記支持杆の先
端に主材と同一の素材をもって成型したインジェクショ
ン成型物固着のための接続子を嵌設し、成型物と一体的
に成型したる後、前記ブロックをキャップと共に脱し、
ローテーション成型物内に接続子を固着せしめるローテ
ーション成型方法。Means for Solving the Problems In the rotation molding method in which the main material is flowed and molded in a rotation mold, 1) Align the injection molded product inside the molded product to the position where it will be fixed,
A block with one or more support rods protruding outward,
At the same time as attaching it to the cap of the molding mold, a connector for fixing the injection molded product molded from the same material as the main material is fitted to the tip of the support rod, and after molding integrally with the molded product, Take off the block together with the cap,
Rotation molding method that fixes the connector inside the rotation molded product.

２）　ローテーション成型物内に内設する所要のインジ
ェクション成型物の一側に１本又は複数本の支持杆を突
設し、ローテーション成型物と一体的に成型固着された
接続子に前記支持杆を嵌合させて、所要のインジェクシ
ョン成型物をローテーション成型物内に内設するローテ
ーション成型物である。2) One or more support rods are provided protruding from one side of the required injection molded product installed inside the rotation molded product, and the support rod is attached to a connector that is molded and fixed integrally with the rotation molded product. This is a rotation molded product in which the required injection molded product is fitted into the rotation molded product.

作　　　用 上記した如く、内設するインジェクション成型物の位置
に適合させて支持杆を設けたブロックの、支持杆先端に
主材と同一な素材で型成した接続子を嵌設して、ローテ
ーション用型内に内装すると、各接続子は型の内壁面に
近接して位置し、主材の流動と共に型内壁に積層が進行
して、接続子は成型物内壁と一体的となる。Function As mentioned above, a connector molded from the same material as the main material is fitted to the tip of the support rod of a block that is provided with a support rod that matches the position of the injection molded object to be placed inside, and is used for rotation. When placed in the mold, each connector is located close to the inner wall surface of the mold, and as the main material flows, lamination progresses on the inner wall of the mold, and the connector becomes integral with the inner wall of the molded product.

成型終了後冷却して支持杆と共にブロック及びキャップ
を脱すれば、接続子はローテーション成型物内に固着さ
れ残置する。After the molding is completed, the connector is fixed and left inside the rotation molded product by cooling and removing the block and cap together with the support rod.

この残置された接続子に適合する支持杆をインジェクシ
ョン成型物の一側に突設して、接続子と支持杆を嵌合せ
しめれば、ローテーション成型物内に、インジェクショ
ン成型物を内装、固着することができるものである。By protruding a support rod that fits the remaining connector on one side of the injection molded product and fitting the connector and support rod, the injection molded product can be installed and fixed inside the rotation molded product. It is something that can be done.

実施例 本発明の各部及び実施例を図面に基いてさらに詳述すれ
ば、図はローテーション成型物１を玩具用人形の頭部と
し、インジェクション成型物に適合せしめて支持杆４を
３本突設したブロックを、支持杆４の先端に主材と同一
系統の素材で型成した接続子５を嵌設して内装せしめた
断面図であって、空洞とした内壁を人形の頭部に形成し
たローテーション用の型３内に適量の塩化ビニールゾル
等の主材を入れ、加熱しつつ内壁内を流動させて成型物
１の壁面に積層していく手段は従来技術と同一であるが
、内装するインジェクション成型物を固着せしめる位置
に向けて３本の支持杆４を突設し、先端に主材と同一素
材で成型した接続子５を嵌設したブロック２を、型３の
キャップ６に装着して、型３内装着すると中央の支持杆
４は顎部に、左右２本の支持杆４は夫々頬部の内壁近く
に位置する。Embodiments The various parts and embodiments of the present invention will be described in more detail with reference to the drawings. In the figure, the rotation molded product 1 is the head of a toy doll, adapted to the injection molded product, and three supporting rods 4 are provided. This is a cross-sectional view of a block that has been internalized by fitting a connector 5 molded from the same type of material as the main material to the tip of a support rod 4, and a hollow inner wall is formed in the doll's head. The method of putting an appropriate amount of the main material such as vinyl chloride sol into the rotation mold 3 and making it flow inside the inner wall while heating and laminating it on the wall surface of the molded product 1 is the same as in the conventional technology, but the inner material is A block 2 with three support rods 4 protruding toward the position where the injection molded product is fixed, and a connector 5 molded from the same material as the main material fitted at the tip is attached to the cap 6 of the mold 3. When installed in the mold 3, the central support rod 4 is located at the jaw, and the two left and right support rods 4 are located near the inner wall of the cheek.

しかして、上記と同様にして成型を開始すると、主材は
型３の内壁を流動して、成型物１の壁面に積層され、各
接続子５の溶着点７に至り、さらに積層が進行すること
によって、成型物１の内壁と接続子５は一体的に溶着、
固定される。When molding is started in the same manner as above, the main material flows through the inner wall of the mold 3 and is laminated on the wall surface of the molded product 1, reaching the welding point 7 of each connector 5, and lamination further progresses. As a result, the inner wall of the molded product 1 and the connector 5 are integrally welded,
Fixed.

成型完了後冷却して、キャップ６とブロック２を支持杆
と共に脱し、成型物１を型３から離脱せしめると、接続
子５はローテーションの成型物１内に残置する成型方法
である。After the molding is completed, the cap 6 and the block 2 are removed together with the support rod after cooling, and the molded product 1 is separated from the mold 3, and the connector 5 is left in the molded product 1 in rotation.

上記成型方法によって成型された成型物１内に内設する
所望のインジェクション成型物に、上記ブロック２と同
様な支持杆を突設して、該支持杆と接続子５を嵌合せし
めれば、インジェクション成型物をローテーション成型
物に内装固着できた成型物となる。If a support rod similar to the block 2 is provided protrudingly on a desired injection molded object disposed inside the molded object 1 molded by the above molding method, and the support rod and the connector 5 are fitted together, The injection molded product becomes a molded product that can be fixed internally to the rotation molded product.

本実施例では、成型物を玩具用の人形の頭部としたが、
頭部のほか体部、手足部等自由であり、人形のほか動物
その他ローテーション成型の可能で、インジェクション
成型物を内装するものに適用される。In this example, the molded object was the head of a toy doll, but
In addition to the head, body parts, limbs, etc. can be freely molded, and in addition to dolls, animals and other parts can be rotationally molded, and it is applied to interiors of injection molded products.

また、ブロック２に設ける支持杆４は、３本に限定する
ものではなく、内装するインジェクション成型物によっ
て、１本又はそれ以上設けることは差支えない。Further, the number of support rods 4 provided on the block 2 is not limited to three, and one or more support rods may be provided depending on the injection molded product to be installed inside.

発明の効果 上述の如く本発明によれば、柔軟なローテーション成型
物内に、異質のインジェクション成型物を内装、固着す
ることが容易となり、インジェクション成型物に設けた
支持杆と接続子が十分な嵌合が得らるから、例えば実施
例に於ては、顎又は頬を内装する機構によって動かすこ
とができる。Effects of the Invention As described above, according to the present invention, it is easy to insert and fix a different type of injection molded product in a flexible rotation molded product, and the support rod and connector provided on the injection molded product are sufficiently fitted. For example, in some embodiments, the chin or cheeks can be moved by an internal mechanism.

また、ローテーション成型物と同時の工程に於て実施で
きるので、余分な工程、時間を要せず、極めて有効であ
る。In addition, since it can be carried out in the same process as the rotation molding, no extra process or time is required and it is extremely effective.

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

図は本発明の一実施例を示す断面図である。 １　成型物　　　　　２　ブロック ３　型　　　　　　　４　支持杆 接続子 キャンプ The figure is a sectional view showing one embodiment of the present invention. 1. Molded object 2. Block 3 Type 4 Support rod connector camp

Claims (1)

【特許請求の範囲】 １）ローテーション用の型内に主材を流動させて成型物
を型成するローテーション成型方法に於て上記成型物内
に内装するインジェクション成型物を固着する位置に合
せて、外方に１本又は複数本の支持杆を突設したブロッ
クを、成型用型のキャップに装着すると共に、上記支持
杆の先端に主材と同一の素材をもつて成型したインジェ
クション成型物固着のための接続子を嵌設し、成型用型
内に内装して接続子をローテーション成型物と一体的に
成型したる後、前記ブロックをキャップと共に脱し、ロ
ーテーション成型物内に接続子を固着せしめることを特
徴とするローテーション成型方法。 ２）ローテーション成型物内に内設する所要のインジェ
クション成型物の一側に１本又は複数本の支持杆を突設
し、ローテーション成型物と一体的に成型固着された接
続子に前記支持杆を嵌合させて、所要のインジェクショ
ン成型物をローテーション成型物内に内設することを特
徴とするローテーション成型物。[Scope of Claims] 1) In a rotation molding method in which a molded product is formed by flowing the main material in a rotation mold, the injection molded product to be placed inside the molded product is fixed at a position, A block with one or more supporting rods protruding outward is attached to the cap of the molding mold, and the tip of the supporting rod is molded with the same material as the main material to fix the injection molded product. After fitting a connector for the purpose and placing it inside a mold for molding and molding the connector integrally with the rotation molded product, the block is removed together with the cap and the connector is fixed inside the rotation molded product. A rotation molding method featuring 2) One or more support rods are provided protruding from one side of a required injection molded product installed inside the rotation molded product, and the support rods are attached to a connector that is molded and fixed integrally with the rotation molded product. A rotation molded product characterized in that a required injection molded product is fitted into the rotation molded product.
JP18561889A 1989-07-18 1989-07-18 Rotation molding method and molded product thereof Pending JPH0349910A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP18561889A JPH0349910A (en) 1989-07-18 1989-07-18 Rotation molding method and molded product thereof
FR9008965A FR2649930B1 (en) 1989-07-18 1990-07-13 ROTATION HOLLOW MOLDED OBJECT AND MANUFACTURING METHOD THEREOF

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18561889A JPH0349910A (en) 1989-07-18 1989-07-18 Rotation molding method and molded product thereof

Publications (1)

Publication Number Publication Date
JPH0349910A true JPH0349910A (en) 1991-03-04

Family

ID=16173948

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18561889A Pending JPH0349910A (en) 1989-07-18 1989-07-18 Rotation molding method and molded product thereof

Country Status (2)

Country Link
JP (1) JPH0349910A (en)
FR (1) FR2649930B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2136432A (en) * 1935-03-04 1938-11-15 Toyers Of Summit Inc Apparatus for molding
US3364292A (en) * 1958-05-05 1968-01-16 Jerome H. Lemelson Method of positioning and molding a preform integral with plastic material by rotational casting
US3965234A (en) * 1973-02-01 1976-06-22 Lane Jr Noel W Method of making radar reflective buoy
US4057612A (en) * 1975-04-30 1977-11-08 Lesney Products & Co. Limited Methods of making a doll having functional inserts
US4489028A (en) * 1982-11-22 1984-12-18 Masters William E Kayak improvements

Also Published As

Publication number Publication date
FR2649930A1 (en) 1991-01-25
FR2649930B1 (en) 1994-05-13

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