Method and device for producing a container filled with filling medium

A filling and container technology, applied in the directions of transportation and packaging, packaging, application, etc., can solve the problems of machine complexity, difficult to achieve controlled and repeatable, etc., to save filling time, good process control, The effect of shortened process time

Active Publication Date: 2016-11-09
KHS GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of forming the container by the filling medium itself, only one machine is required, which however has increased complexity for this purpose
Furthermore, it is difficult to achieve controlled and reproducible conditions during blow molding with liquids, especially since the preform surface is cooled in contact with the liquid
Accordingly, no desired material distribution in the wall of the finished container has hitherto been satisfactorily achieved.

Method used

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  • Method and device for producing a container filled with filling medium
  • Method and device for producing a container filled with filling medium
  • Method and device for producing a container filled with filling medium

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0044] exist figure 1 with figure 2 The basic structure of the device according to the invention for producing containers ( 2 ) filled with a liquid filling from preforms is shown in . The arrangement here can be realized as shown or rotated by 180° in a vertical plane.

[0045] The device for producing the container (2) essentially consists of a blow molding station (3) provided with a blow mold (4) into which the preform (1) can be placed. The preform ( 1 ) can be an injection molded part made of Polyethylene terephthalat. In order to be able to insert the preform (1) into the blow mold (4) and to be able to remove the finished container (2), the blow mold (4) is composed of mold halves (5, 6) and a base (7) consisting of said bottom part being able to be positioned by a travel device (8). The preforms ( 1 ) can be held in the region of the blow molding station ( 3 ) by transport mandrels ( 9 ), which together with the preforms ( 1 ) pass through several processing stat...

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PUM

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Abstract

The invention relates to a method for producing a container (2) filled with a liquid filling medium, wherein a preform (1) made of a thermoplastic material is stretched after thermal conditioning by means of a stretching rod (11) and is transformed into the container (2) in an inflation process, wherein the inflation process comprises a pre-blowing phase, in which a fluid at a first pressure level is used for inflation, and a main blowing phase, in which a fluid at a second pressure level higher than the first pressure level is used for inflation. The invention is characterised in that the fluid used in the pre-blowing phase is a blowing gas, and that the fluid used in the main blowing phase is the filling medium. The invention further relates to a device for carrying out a method according to the invention.

Description

technical field [0001] The invention relates to a method for producing a container filled with a filler, in which a preform made of thermoplastic material is stretched after heat treatment by means of a stretch rod and formed into the container in a blow molding process, wherein The blow molding process comprises a pre-blow molding stage in which the fluid is blown using a first pressure level and a main blow molding stage in which the fluid is blown using a second pressure level higher than the first pressure level. Two pressure levels of fluid to blow molding. [0002] Furthermore, the invention relates to a device for producing containers filled with a liquid filling, said device comprising a heating device for heat-treating preforms made of thermoplastic material and comprising means for separately heat-treating the preforms Blow molding apparatus for forming containers, wherein the blow molding apparatus has: a blow mold for receiving a preform, a stretch rod for stretch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C49/46
CPCB29C49/46B29C49/36B29C49/06B29C49/64B29C2049/465B29K2067/003B29C49/1212B29C49/1222B29C49/1229B29C2949/0715B29C2049/7831B29C2049/7832B29C49/12B29C49/18B29C49/6409B29C2049/4626B29L2031/7158B65B3/022
Inventor M·林克R·鲍姆加特M·利岑贝格
Owner KHS GMBH
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