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Forming tool

A technology for forming tools and temperature adjustment, applied in the field of forming tools

Inactive Publication Date: 2012-03-21
ROCTOOL SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Furthermore, the method described in this document can only be used if the tool geometry is determined

Method used

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Examples

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Embodiment Construction

[0016] Injection mold 1 of a plastics material injection molding tool not shown in detail comprises two molding tools 2 , 2 . figure 1 The injection mold 1 is shown in the closed position. The cavity 3 , not shown in detail, is formed by the two forming tools 2 , 2 . 1 , wherein the plasticized plastic material is injected into the cavity 3 through the injection channel. For the sake of simplicity, the cavity 3 in the embodiment example in the sectional view is designed as a rectangle. It should be understood that the geometry of the cavity 3 may ultimately be of any shape and that more than two forming tools are required if the cavity has a complex geometry. The forming tools 2, 2.1 basically have the same design. The forming tool 2 will be described in detail later.

[0017] The forming tool 2 is made of tool steel. The cavity-limiting surface portion of the mold 2 is the contact surface against which the molten plastic material introduced into the cavity 3 is pressed to...

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Abstract

The invention relates to a forming tool, advantageously made from a metal with a forming contact surface (4, 5) and with one or several temperature regulation canals (T1) which are integrated in the tool (2, 2.1 ) and through which a fluid flows, characterised in that an electric conductor in the form of an inductor (9) is arranged at the internal wall of the temperature regulation canals (T1) and, if need be, with the insertion of a dielectric layer covering the temperature regulation canals (T1).

Description

technical field [0001] The invention relates to a forming tool, advantageously made of metal, and having a forming contact surface and one or more channels integrated in the tool and through which a fluid flows. aisle. Background technique [0002] When molding a part by injection of a thermoplastic material, a duroplastic material, or an elastomeric material, material that has been plasticized in advance is introduced into the cavity of the mold. In order to form the cavity, such a mold comprises a plurality of forming tools separated from each other in order to be able to remove the cooled part in the cavity. The surface of the forming tool which is in contact with the molded plastic material is referred to as the contact surface in the context of these embodiments. These patterns of contact surfaces define the surface of the part. The molded accuracy of the part surface can be compromised by imperfections, for example due to glue grooves, poor brightness, or the format...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/73
CPCB29C2035/0811B29C33/06B29C45/7312
Inventor 乌多·欣茨佩特
Owner ROCTOOL SAS