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Method for producing foamed plastic molded body having film coating

A manufacturing method, technology of foamed plastics, applied in the field of manufacturing foamed plastic molded bodies with a film layer coating

Pending Publication Date: 2022-04-29
钟化比利时公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] It is also known from the prior art to obtain a closed plane of the textile molded body by applying an additional film layer to the above-mentioned foamed plastic molded body, wherein the disadvantage of the previous production methods is that the above-mentioned plastic film Must be applied to foamed plastic moldings in a separate work step

Method used

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  • Method for producing foamed plastic molded body having film coating
  • Method for producing foamed plastic molded body having film coating
  • Method for producing foamed plastic molded body having film coating

Examples

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Embodiment Construction

[0095] figure 1 A sectional view of the tool mold 2 in the closed state is shown, wherein the tool mold 2 is formed by two opposing tool cavities 21 a and 21 b , wherein the aforementioned opposing tool cavities 21 a and 21 b enclose the forming tool cavity 22 . In the exemplary embodiment shown, the first tool chamber 21a is provided with a plurality of heating channels 24, through which a heating medium can be supplied to the first tool chamber 21a, so that the first tool chamber 21a can be heated to a defined temperature.

[0096] exist figure 2 , an exemplary embodiment of a tool cavity 21 of a tool mold 2 is shown, wherein the tool cavity shown comprises a temperature sensor 4 by means of which the temperature of the tool cavity 21 can be measured. exist figure 2 , the application of granulate 3 by means of a spray gun 32 is shown, wherein the applied granulate forms a film layer 31 with a film thickness 33 in the region of the tool cavity 21 . From figure 2 It c...

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Abstract

The invention relates to a method for producing foamed plastic molded bodies having a film layer coating by forming a mold cavity using a tool mold having at least one tool cavity, comprising the following method steps: A) heating the at least one tool cavity of the tool mold; b) applying pellets to the at least one heated tool cavity; c) fusing the pellets in the heated tool cavity to form a liquid film layer; d) applying the liquid film layer to a foamed plastic molded body, forming a film layer coating on the surface of the plastic molded body by fusing the liquid film layer with the surface of the plastic molded body; and E) cooling the at least one tool cavity and ejecting the plastic molded body coated with the film layer.

Description

【Technical field】 [0001] The invention relates to a method for producing molded foamed plastic bodies with a film layer coating by forming a mold cavity using a tool tool having at least one tool cavity. 【Background technique】 [0002] Production methods as well as single-part or multi-part tool molds for producing foamed plastic molded bodies are known in the prior art. In a known method, in a single-part or multi-part tool mold comprising at least one tool cavity, the mold cavity is filled with expandable particles and / or foam beads to form a forming mold cavity, and with particles and / or foam beads Or foam beads are expanded in a mold cavity and welded together (this method is also known as the steam chamber method) where temperature and humidity pressurized steam is passed through the mold cavity. It is also known from the prior art to heat the formed mold cavity via the two opposing tool halves and the interior of the mold cavity, and then to fill the mold cavity with ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C37/00B29C44/06B29C44/08B29C44/34B29C44/44B29K23/00B29K25/00B29K75/00B29K105/04B29L9/00
CPCB29C37/0032B29C44/06B29C44/08B29C44/3415B29C44/445B29C2037/0039B29K2023/06B29K2025/06B29K2075/00B29K2105/04B29K2105/048B29L2009/005B29K2101/12
Inventor 索斯藤·米歇尔帕特里克·纳格尔斯
Owner 钟化比利时公司