DE10241569B3 - Process for the production of overmolded core bodies - Google Patents
Process for the production of overmolded core bodies Download PDFInfo
- Publication number
- DE10241569B3 DE10241569B3 DE2002141569 DE10241569A DE10241569B3 DE 10241569 B3 DE10241569 B3 DE 10241569B3 DE 2002141569 DE2002141569 DE 2002141569 DE 10241569 A DE10241569 A DE 10241569A DE 10241569 B3 DE10241569 B3 DE 10241569B3
- Authority
- DE
- Germany
- Prior art keywords
- overmolded
- core body
- production
- core bodies
- core
- 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.)
- Expired - Lifetime
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C45/006—Joining parts moulded in separate cavities
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Brushes (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Verfahren zur Herstellung von dickwandigen, umspritzten Außenkörpern, wobei die Kernkörper einseitig Konturen aufweisen, die zusammengefügt eine glatte Außenfläche bilden und umspritzt werden.Process for the production of thick-walled, overmolded outer bodies, the core bodies having contours on one side which, when assembled, form a smooth outer surface and are overmolded.
Description
Beschreibung des Standes der Technik.Description of the stand of the technique.
Momentan werden Kernkörper umspritzt, aus
denen Pinselgriffe, Schraubendrehergriffe, Zahnbürstengriffe gefertigt werden.
Es wird ein erster Rohling mit Untermaß hergestellt. Dieser Rohling
wird ein- oder mehrmalig, wie in
Eine Verkürzung der Produktionszeit erreicht man
gemäß
Weiterhin ist es bekannt, hohle Kernkörper herzustellen. Diese haben jedoch den Nachteil, dass der Kernkörper beim Umspritzen durch den Spritzdruck oft zusammenbricht.It is also known to produce hollow core bodies. However, these have the disadvantage that the core body through-molded the spray pressure often breaks down.
Aus der
Aufgabe der ErfindungObject of the invention
Aufgabe der Erfindung ist es, Kerne aus leichtem, billigem, hartem Material herzustellen. Diese Kerne sollen mit weichem, teurem Material ganz oder teilweise umhüllt werden, um eine griffige Oberfläche zu erreichen. Das teure Material sollte dabei möglichst in geringem Umfang eingesetzt werden.The object of the invention is cores made of light, cheap, hard material. These cores should be completely or partially covered with soft, expensive material, around a non-slip surface to reach. The expensive material should be as small as possible be used.
Lösung der Aufgabe Solution of the task
Diese Aufgabe wird dadurch gelöst, dass dünnwandige Kernkörper in der ersten Stufe mit einer glatten Außenoberfläche und einer kammartigen, wabenförmigen, wellenförmigen oder aufgerissenen Innenfläche gespritzt werden. Diese Kernkörper werden dann getrennt in gewünschter Weise zusammengefügt, in die Spritzgussform eingelegt und dort überspritzt. Die Gestaltung des Kernkörpers sichert hohe Maßhaltigkeit beim Umspritzen. Das Umspritzen kann sehr dünnwandig ausgeführt werden. Durch die zum Beispiel kammartige Gestaltung der Innenflächen können die einzelnen Kernkörper zu einem leichten, preiswerten Kernkörper mit glatter Oberfläche zusammengefügt werden. Es können unterschiedlichste Kernkörperformen hergestellt werden. Indem der Kernkörper mit der weichen Komponente sehr dünn umspritzt werden kann, kann teures Material eingespart werden. Die Innenkontur stabilisiert den Kernkörper und, da Hohlräume entstehen, wird der Kernkörper auch leichter.This problem is solved in that thin-walled core body in the first stage with a smooth outer surface and a comb-like, honeycomb, wavy or torn inside surface be injected. This core body are then separated into the desired Put together way inserted into the injection mold and overmolded there. The design of the core body ensures high dimensional accuracy when molding. The encapsulation can be carried out with very thin walls. Due to the comb-like design of the inner surfaces, for example single core body to be assembled into a light, inexpensive core body with a smooth surface. It can different core body shapes getting produced. By the core body with the soft component very much overmolded thinly expensive material can be saved. The inner contour stabilizes the core body and, because voids arise, the core body also easier.
Ausführungsbeispiele der Erfindung werden nachfolgend anhand der Zeichnung erläutert. Im Einzelnen zeigt Embodiments of the invention are explained below with reference to the drawing. In detail shows
In einer Spritzgussform wird ein
kammartiger Kernkörper,
wie
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002141569 DE10241569B3 (en) | 2002-09-07 | 2002-09-07 | Process for the production of overmolded core bodies |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002141569 DE10241569B3 (en) | 2002-09-07 | 2002-09-07 | Process for the production of overmolded core bodies |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10241569B3 true DE10241569B3 (en) | 2004-01-29 |
Family
ID=29796630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2002141569 Expired - Lifetime DE10241569B3 (en) | 2002-09-07 | 2002-09-07 | Process for the production of overmolded core bodies |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10241569B3 (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2361348A (en) * | 1939-10-12 | 1944-10-24 | Spalding A G & Bros Inc | Process and apparatus for making balls |
DE1894091U (en) * | 1961-11-15 | 1964-06-04 | Fagus Werk Karl Benscheidt | PLASTIC SHOE LAST FOR MACHINE SHOE MANUFACTURING. |
US3227000A (en) * | 1961-11-20 | 1966-01-04 | Gits Jules Paul | Molded articles and methods of making same |
DE2118741A1 (en) * | 1971-04-17 | 1972-11-02 | Schneider, Werner, 6340 Dillenburg | Plastic armature reinforcing element - consisting of a flat,stamped sheet metal part |
GB1313748A (en) * | 1969-09-18 | 1973-04-18 | Dunlop Holdings Ltd | Moulding |
DE7112828U (en) * | 1973-12-06 | Belton A/S | ||
JPS61286112A (en) * | 1985-06-13 | 1986-12-16 | Sumitomo Rubber Ind Ltd | Manufacture of gold ball |
DE3641881A1 (en) * | 1986-12-08 | 1988-06-16 | Hans Kloos | Bodies of plastic, rubber and/or metal, in particular skittle balls (bowls), and process for the production thereof |
JPH0542558A (en) * | 1991-08-14 | 1993-02-23 | Murata Mach Ltd | Method for molding drum |
-
2002
- 2002-09-07 DE DE2002141569 patent/DE10241569B3/en not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7112828U (en) * | 1973-12-06 | Belton A/S | ||
US2361348A (en) * | 1939-10-12 | 1944-10-24 | Spalding A G & Bros Inc | Process and apparatus for making balls |
DE1894091U (en) * | 1961-11-15 | 1964-06-04 | Fagus Werk Karl Benscheidt | PLASTIC SHOE LAST FOR MACHINE SHOE MANUFACTURING. |
US3227000A (en) * | 1961-11-20 | 1966-01-04 | Gits Jules Paul | Molded articles and methods of making same |
GB1313748A (en) * | 1969-09-18 | 1973-04-18 | Dunlop Holdings Ltd | Moulding |
DE2118741A1 (en) * | 1971-04-17 | 1972-11-02 | Schneider, Werner, 6340 Dillenburg | Plastic armature reinforcing element - consisting of a flat,stamped sheet metal part |
JPS61286112A (en) * | 1985-06-13 | 1986-12-16 | Sumitomo Rubber Ind Ltd | Manufacture of gold ball |
DE3641881A1 (en) * | 1986-12-08 | 1988-06-16 | Hans Kloos | Bodies of plastic, rubber and/or metal, in particular skittle balls (bowls), and process for the production thereof |
JPH0542558A (en) * | 1991-08-14 | 1993-02-23 | Murata Mach Ltd | Method for molding drum |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8100 | Publication of patent without earlier publication of application | ||
8364 | No opposition during term of opposition | ||
R071 | Expiry of right |