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System for injecting a thermoplastic material

A thermoplastic material and injection nozzle technology, which is applied in medical preparations containing active ingredients, cosmetics, hair care, etc., can solve problems such as expensive, configuration problems, and increased thickness of the injection system.

Active Publication Date: 2015-04-08
瑞尼浦斯欧洲公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] However, this waterway complicates the injection system and is relatively expensive, so the current configuration is problematic
[0018] In addition, the thickness of the power cylinder greatly increases the thickness of the injection system

Method used

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  • System for injecting a thermoplastic material
  • System for injecting a thermoplastic material
  • System for injecting a thermoplastic material

Examples

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Effect test

Embodiment Construction

[0052] The injection system according to the invention comprises a control cylinder of the nozzle gate, wherein the nozzle gate is not fixed directly to the runner plate, but is fixed in an offset manner relative to the runner plate by a beam.

[0053] This installation has a double advantage.

[0054] The first advantage is to reduce the overall thickness of the system by about one third. In fact, since the power cylinder is encapsulated in the groove, only the thickness of the beam connecting the cylinder and the runner plate affects the thickness of the system.

[0055] In addition, the cylinder is no longer in contact with the hot runner plate, eliminating the need for water cooling as required in prior art arrangements.

[0056] Additionally, the material and thickness of the beams have been engineered to dissipate heat.

[0057] According to a basic embodiment of the present invention, refer to figure 1 , the control tools for the nozzle gate include:

[0058] - a po...

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Abstract

The disclosure relates to a system for injecting a thermoplastic material in the fluid state, including: a dispenser adapted to be maintained at an injection temperature higher than the temperature limit at which the material is in a fluid state; an injection nozzle defining at least one portion of a transition passage; a stopper mounted inside the transition passage so as to slide between a blocking position and an opening position thereof; and control means for alternately sliding the stopper, wherein the control means comprises a jack with a rod parallel to the sliding direction of the stopper, and which is secured in an offset manner on the dispenser via a flattened beam, and a lever arranged so as to tilt about an axis so as to transmit the movements of the jack rod to the stopper.

Description

technical field [0001] The invention relates to a system for injecting thermoplastic material into a mold cavity and a method of manufacturing the system. Background technique [0002] "Thermal block" or "hot runner" type injection systems typically include: [0003] - the hot runner plate, delimiting the distribution channel of the thermoplastic material and including the outlet of the thermoplastic material; [0004] - an injection nozzle defining at least a portion of a delivery channel, the inlet of the delivery channel being fluidly connected to the outlet of the dispensing channel, and the outlet of the delivery channel opening substantially in the cavity; [0005] - a nozzle gate mounted so as to slide longitudinally in the conveying channel and alternately occupy a closed position and an open position of said channel; [0006] -controlling the tool so that the nozzle gate slides alternately between the closed position and the open position. [0007] The control to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/28
CPCB29C2045/2834Y10T29/49213B29C45/281A61K2800/85A61Q7/00
Inventor E·德里切
Owner 瑞尼浦斯欧洲公司
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