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Apparatus for heating plastics preforms with travelling top emitter

A technology of plastic parisons, heat radiation, applied in the field of machines for heating plastic parisons, able to solve the problems of lack of adjustability, no longer possible to adjust the bottom reflector, collisions, etc., to achieve the effect of eliminating wrong operations

Inactive Publication Date: 2019-03-15
克隆尼斯股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Furthermore, when using permanently installed top radiators, it is no longer possible to adjust the bottom reflector because of the risk of collision
This lack of adjustability of the bottom reflector also leads to a worsening of the heating characteristic and a worsening of the energy efficiency

Method used

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  • Apparatus for heating plastics preforms with travelling top emitter
  • Apparatus for heating plastics preforms with travelling top emitter
  • Apparatus for heating plastics preforms with travelling top emitter

Examples

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Embodiment Construction

[0058] figure 1 Shows a part of a blow molding machine 1 for manufacturing a container 2 from a plastic parison 3 made of plastic, such as polyethylene terephthalate (PET), polypropylene (PP), etc. In which the machine according to the invention can be used. The finished container 2 can be, for example, as figure 1 The bottle shown can introduce the product into the finished container. The product can especially be a beverage, a cleaning agent and the like. figure 1 The parison 3 is shown as a circle at their mouth, where, for the sake of clarity, only the beginning of the row formed by them in the parison 3 (in figure 1 At the bottom) and at the end (at the figure 1 The two parisons on the left in the middle) are provided with reference numerals.

[0059] figure 1 The blow molding machine 1 in includes a first transport device 10, a second transport device 20, a third transport device 30, a heating device 40, and a blowing device (not shown) arranged downstream of the third tran...

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Abstract

The invention relates to an apparatus for heating plastics preforms (3), having a transporting device (20) which transports the plastics preforms (3) along a predetermined transport path (TR1, TR2), having a heating device (40) which at least temporarily heats the plastics preforms (3), wherein the heating device (40) at least comprises: a bottom heating element (4115) which is suitable and intended for heating a bottom portion (B) of the plastics preforms (3), a reflector element (4113) which is fitted under the bottom portion (B) of the plastics preforms (3) in the longitudinal direction (L)of the plastics preforms (3) and reflects thermal radiation onto the plastics preforms (3), an adjusting device (50) which is suitable and intended for adjusting the reflector element (4113) in the longitudinal direction (L) of the plastics preforms (3), and wherein the apparatus has a control device which is suitable and intended for automatically switching at least one heating element (4110) onand / or off depending on the position (S3, S2) of the reflector element (4113) with regard to the longitudinal direction (L) of the plastics preforms (3).

Description

Technical field [0001] The invention relates to a machine and method for heating plastic parisons. Such machines and methods have been known in the prior art for a long time. In the beverage production industry, it is common to convert plastic parisons into plastic containers, for example by means of a blow molding machine. For this purpose, the plastic parison is first heated in an oven and then transported in this heated and therefore soft state to the corresponding blow molding machine. In this case, in the case of such heating, the plastic parison can be transported along a preset transport path and in this case heated by the heating device. Background technique [0002] Machines for heating plastic parisons are known from the prior art, which have heating elements for heating the base part of the plastic parisons. According to the prior art, so-called top radiators are used as heating elements. These heating elements are fixedly installed and in specific locations, and c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C49/68B29C49/06B29C49/42B29C49/64
CPCB29C49/06B29C49/4205B29C49/6409B29C49/68B29C2949/0715B29C49/6825B29C49/683B29C49/6835B29C49/6418B29C49/78
Inventor 沃尔夫冈·肖恩伯格
Owner 克隆尼斯股份有限公司
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